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


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-18 20:30:10,174 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-18 20:30:10,241 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
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[2022-02-18 20:30:10,243 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-02-18 20:30:10,264 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-18 20:30:10,265 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-18 20:30:10,266 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf
[2022-02-18 20:30:10,279 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-18 20:30:10,280 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-18 20:30:10,280 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-18 20:30:10,280 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-18 20:30:10,280 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-18 20:30:10,281 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-18 20:30:10,281 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-18 20:30:10,281 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-18 20:30:10,281 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-18 20:30:10,281 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-18 20:30:10,282 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-18 20:30:10,283 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-18 20:30:10,283 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-18 20:30:10,283 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-18 20:30:10,283 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-18 20:30:10,283 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-18 20:30:10,283 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-18 20:30:10,283 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 20:30:10,284 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-18 20:30:10,284 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-18 20:30:10,285 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-02-18 20:30:10,285 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-18 20:30:10,443 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-18 20:30:10,461 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-18 20:30:10,463 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-18 20:30:10,464 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-18 20:30:10,465 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-18 20:30:10,465 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c
[2022-02-18 20:30:10,511 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ea6e036/b9435c59813a4d7795599ca33bcd7107/FLAG0cb3e2346
[2022-02-18 20:30:10,887 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-18 20:30:10,887 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c
[2022-02-18 20:30:10,891 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ea6e036/b9435c59813a4d7795599ca33bcd7107/FLAG0cb3e2346
[2022-02-18 20:30:10,899 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ea6e036/b9435c59813a4d7795599ca33bcd7107
[2022-02-18 20:30:10,901 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-18 20:30:10,903 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-18 20:30:10,904 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-18 20:30:10,904 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-18 20:30:10,917 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-18 20:30:10,917 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:30:10" (1/1) ...
[2022-02-18 20:30:10,918 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784494d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:10, skipping insertion in model container
[2022-02-18 20:30:10,918 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 08:30:10" (1/1) ...
[2022-02-18 20:30:10,922 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-18 20:30:10,940 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-18 20:30:11,114 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774]
[2022-02-18 20:30:11,124 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-18 20:30:11,129 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-18 20:30:11,141 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774]
[2022-02-18 20:30:11,143 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-18 20:30:11,152 INFO  L208         MainTranslator]: Completed translation
[2022-02-18 20:30:11,152 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11 WrapperNode
[2022-02-18 20:30:11,152 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-18 20:30:11,153 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-18 20:30:11,153 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-18 20:30:11,153 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-18 20:30:11,158 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,165 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,191 INFO  L137                Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 200
[2022-02-18 20:30:11,191 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-18 20:30:11,191 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-18 20:30:11,191 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-18 20:30:11,192 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-18 20:30:11,198 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,199 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,201 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,201 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,205 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,212 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,213 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,214 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-18 20:30:11,215 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-18 20:30:11,215 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-18 20:30:11,215 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-18 20:30:11,216 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (1/1) ...
[2022-02-18 20:30:11,235 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-18 20:30:11,241 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:11,250 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-18 20:30:11,256 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-18 20:30:11,277 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-18 20:30:11,277 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-18 20:30:11,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-18 20:30:11,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-18 20:30:11,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-02-18 20:30:11,278 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-18 20:30:11,278 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-18 20:30:11,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-18 20:30:11,279 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-18 20:30:11,351 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-18 20:30:11,352 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-18 20:30:11,617 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-18 20:30:11,729 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-18 20:30:11,729 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2022-02-18 20:30:11,733 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:30:11 BoogieIcfgContainer
[2022-02-18 20:30:11,733 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-18 20:30:11,734 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-18 20:30:11,734 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-18 20:30:11,737 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-18 20:30:11,737 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 08:30:10" (1/3) ...
[2022-02-18 20:30:11,738 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fbaabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:30:11, skipping insertion in model container
[2022-02-18 20:30:11,738 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 08:30:11" (2/3) ...
[2022-02-18 20:30:11,738 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fbaabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 08:30:11, skipping insertion in model container
[2022-02-18 20:30:11,738 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 08:30:11" (3/3) ...
[2022-02-18 20:30:11,739 INFO  L111   eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c
[2022-02-18 20:30:11,743 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-18 20:30:11,744 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-18 20:30:11,744 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-18 20:30:11,744 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-18 20:30:11,784 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,785 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,785 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,785 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,785 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,786 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,786 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,786 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,786 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,786 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,786 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,787 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,788 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,788 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,788 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,788 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,788 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,789 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,789 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,789 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,789 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,789 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,789 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,790 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,790 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,790 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,790 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,790 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,790 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,790 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,791 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,791 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,791 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,791 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,791 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,791 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,791 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,792 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,793 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,794 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,794 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,794 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,794 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,794 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,795 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,796 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,797 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,797 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,797 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,797 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,797 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,797 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,797 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,798 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,798 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,798 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,798 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,798 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,799 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,799 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,799 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,799 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,799 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,799 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,800 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,800 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,800 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,800 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,800 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,800 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,800 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,801 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,801 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,801 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,801 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,801 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,801 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,801 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,802 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,803 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,803 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,803 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,803 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,804 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,805 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,807 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~tmp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,807 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,807 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,807 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,807 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,808 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,809 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,809 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,809 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,809 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,809 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,809 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~tmp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,810 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,811 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,812 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,812 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,812 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,812 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~tmp~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,812 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,812 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-18 20:30:11,818 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-18 20:30:11,880 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-18 20:30:11,881 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:11,884 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-18 20:30:11,887 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-18 20:30:11,908 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-18 20:30:11,913 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true
[2022-02-18 20:30:11,913 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-18 20:30:11,969 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:11,972 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:11,973 INFO  L85        PathProgramCache]: Analyzing trace with hash 1990699826, now seen corresponding path program 1 times
[2022-02-18 20:30:11,978 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:11,979 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016367925]
[2022-02-18 20:30:11,979 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:11,979 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:12,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:12,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:12,157 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:12,157 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016367925]
[2022-02-18 20:30:12,157 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016367925] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:30:12,157 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:30:12,158 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-18 20:30:12,159 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496757096]
[2022-02-18 20:30:12,159 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:30:12,162 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-18 20:30:12,162 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:12,175 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-18 20:30:12,176 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-18 20:30:12,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,178 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:12,179 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 54.5) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:12,179 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,204 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-18 20:30:12,204 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:12,205 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:12,205 INFO  L85        PathProgramCache]: Analyzing trace with hash 155412524, now seen corresponding path program 1 times
[2022-02-18 20:30:12,205 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:12,205 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337859372]
[2022-02-18 20:30:12,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:12,205 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:12,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:12,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:12,442 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:12,443 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337859372]
[2022-02-18 20:30:12,443 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337859372] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:30:12,443 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:30:12,443 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-18 20:30:12,443 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700516906]
[2022-02-18 20:30:12,443 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:30:12,444 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-18 20:30:12,444 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:12,445 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-18 20:30:12,445 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-18 20:30:12,445 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,445 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:12,445 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:12,445 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,445 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,575 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,575 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:12,575 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-18 20:30:12,575 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:12,576 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:12,576 INFO  L85        PathProgramCache]: Analyzing trace with hash 3277264, now seen corresponding path program 1 times
[2022-02-18 20:30:12,576 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:12,576 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436141949]
[2022-02-18 20:30:12,576 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:12,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:12,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:12,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:12,755 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:12,755 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436141949]
[2022-02-18 20:30:12,756 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436141949] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:30:12,756 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:30:12,756 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2022-02-18 20:30:12,756 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552467151]
[2022-02-18 20:30:12,756 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:30:12,757 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-02-18 20:30:12,757 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:12,758 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-02-18 20:30:12,758 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2022-02-18 20:30:12,758 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,758 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:12,759 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:12,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:12,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:12,759 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:13,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:13,002 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-18 20:30:13,002 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:13,003 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:13,003 INFO  L85        PathProgramCache]: Analyzing trace with hash 496471280, now seen corresponding path program 1 times
[2022-02-18 20:30:13,003 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:13,003 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051871690]
[2022-02-18 20:30:13,003 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:13,003 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:13,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:13,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:13,301 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:13,301 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051871690]
[2022-02-18 20:30:13,303 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051871690] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:30:13,303 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:30:13,304 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2022-02-18 20:30:13,304 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454242671]
[2022-02-18 20:30:13,304 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:30:13,305 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-02-18 20:30:13,306 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:13,307 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-02-18 20:30:13,308 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2022-02-18 20:30:13,308 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,308 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:13,308 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:13,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:13,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:13,308 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:13,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:13,628 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:13,629 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-18 20:30:13,629 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:13,631 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:13,631 INFO  L85        PathProgramCache]: Analyzing trace with hash -1459451888, now seen corresponding path program 1 times
[2022-02-18 20:30:13,631 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:13,632 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699542736]
[2022-02-18 20:30:13,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:13,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:13,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:13,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:13,727 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:13,727 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699542736]
[2022-02-18 20:30:13,728 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699542736] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-18 20:30:13,728 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-18 20:30:13,728 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-18 20:30:13,728 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471090793]
[2022-02-18 20:30:13,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:30:13,728 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-18 20:30:13,728 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:13,729 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-18 20:30:13,729 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2022-02-18 20:30:13,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,729 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:13,730 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:13,730 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,730 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:13,730 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:13,730 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:13,730 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:13,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:13,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:13,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:13,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:13,975 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-02-18 20:30:13,975 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:13,976 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:13,976 INFO  L85        PathProgramCache]: Analyzing trace with hash -506118658, now seen corresponding path program 1 times
[2022-02-18 20:30:13,976 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:13,977 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302481942]
[2022-02-18 20:30:13,977 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:13,977 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:14,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:14,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:14,068 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:14,068 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302481942]
[2022-02-18 20:30:14,069 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302481942] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:14,069 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006630276]
[2022-02-18 20:30:14,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:14,069 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:14,069 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:14,072 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:14,073 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-18 20:30:14,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:14,158 INFO  L263         TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-02-18 20:30:14,164 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:14,412 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:14,412 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:14,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:14,664 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006630276] provided 1 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:14,664 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2022-02-18 20:30:14,664 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14
[2022-02-18 20:30:14,664 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888753849]
[2022-02-18 20:30:14,664 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:30:14,665 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-18 20:30:14,665 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:14,665 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-18 20:30:14,666 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2022-02-18 20:30:14,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:14,669 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:14,669 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 7 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:14,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:14,669 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:14,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:14,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:14,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:14,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:14,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:14,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:14,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:14,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:14,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:14,742 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:14,765 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:14,947 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2022-02-18 20:30:14,948 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:14,948 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:14,948 INFO  L85        PathProgramCache]: Analyzing trace with hash -1968847810, now seen corresponding path program 1 times
[2022-02-18 20:30:14,948 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:14,948 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225995659]
[2022-02-18 20:30:14,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:14,948 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:14,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:15,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:15,040 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:15,040 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225995659]
[2022-02-18 20:30:15,040 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225995659] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:15,040 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706494842]
[2022-02-18 20:30:15,040 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:15,040 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:15,040 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:15,041 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:15,043 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-18 20:30:15,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:15,121 INFO  L263         TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-02-18 20:30:15,125 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:15,362 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:15,362 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:15,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:15,584 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706494842] provided 1 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:15,584 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2022-02-18 20:30:15,584 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18
[2022-02-18 20:30:15,584 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116135378]
[2022-02-18 20:30:15,584 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-18 20:30:15,584 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2022-02-18 20:30:15,584 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:15,585 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2022-02-18 20:30:15,585 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306
[2022-02-18 20:30:15,585 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:15,585 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:15,585 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 9 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:15,585 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:15,585 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:15,585 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:15,585 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:15,586 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:15,586 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:15,586 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:15,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:15,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:15,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:15,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:15,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:15,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:15,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:15,705 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:15,899 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:15,899 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:15,900 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:15,900 INFO  L85        PathProgramCache]: Analyzing trace with hash -443578270, now seen corresponding path program 1 times
[2022-02-18 20:30:15,900 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:15,900 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426246023]
[2022-02-18 20:30:15,900 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:15,900 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:15,952 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:16,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:16,491 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:16,491 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426246023]
[2022-02-18 20:30:16,491 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426246023] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:16,491 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066906298]
[2022-02-18 20:30:16,491 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:16,492 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:16,492 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:16,493 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:16,493 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-02-18 20:30:16,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:16,647 INFO  L263         TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 61 conjunts are in the unsatisfiable core
[2022-02-18 20:30:16,656 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:17,644 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:30:17,644 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17
[2022-02-18 20:30:17,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:17,827 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:18,182 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:30:18,183 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24
[2022-02-18 20:30:18,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:18,802 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066906298] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:18,802 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:18,802 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 20] total 58
[2022-02-18 20:30:18,803 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274466050]
[2022-02-18 20:30:18,803 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:18,803 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 58 states
[2022-02-18 20:30:18,803 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:18,804 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants.
[2022-02-18 20:30:18,805 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=396, Invalid=2910, Unknown=0, NotChecked=0, Total=3306
[2022-02-18 20:30:18,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:18,805 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:18,805 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 58 states, 58 states have (on average 5.103448275862069) internal successors, (296), 58 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:18,805 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:20,204 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2022-02-18 20:30:20,231 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:20,405 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:20,405 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:20,406 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:20,406 INFO  L85        PathProgramCache]: Analyzing trace with hash 1668718982, now seen corresponding path program 2 times
[2022-02-18 20:30:20,406 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:20,406 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594343477]
[2022-02-18 20:30:20,406 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:20,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:20,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:20,589 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:20,590 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:20,590 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594343477]
[2022-02-18 20:30:20,590 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594343477] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:20,590 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911627032]
[2022-02-18 20:30:20,590 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:30:20,590 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:20,590 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:20,591 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:20,592 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-02-18 20:30:20,680 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:30:20,681 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:20,682 INFO  L263         TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 13 conjunts are in the unsatisfiable core
[2022-02-18 20:30:20,684 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:21,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:21,191 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:21,536 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:21,537 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [911627032] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:21,537 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:21,537 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 31
[2022-02-18 20:30:21,537 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315089543]
[2022-02-18 20:30:21,537 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:21,537 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2022-02-18 20:30:21,538 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:21,538 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2022-02-18 20:30:21,538 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=804, Unknown=0, NotChecked=0, Total=930
[2022-02-18 20:30:21,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:21,538 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:21,539 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 8.03225806451613) internal successors, (249), 31 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2022-02-18 20:30:21,539 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:23,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:23,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:23,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:23,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:23,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:23,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:23,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-02-18 20:30:23,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:23,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2022-02-18 20:30:23,108 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:23,292 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:23,293 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:23,293 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:23,293 INFO  L85        PathProgramCache]: Analyzing trace with hash 49615746, now seen corresponding path program 1 times
[2022-02-18 20:30:23,293 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:23,293 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592364453]
[2022-02-18 20:30:23,293 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:23,293 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:23,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:23,530 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:23,530 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:23,531 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592364453]
[2022-02-18 20:30:23,531 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592364453] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:23,531 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714156362]
[2022-02-18 20:30:23,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:23,531 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:23,531 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:23,532 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:23,533 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-02-18 20:30:23,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:23,619 INFO  L263         TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 73 conjunts are in the unsatisfiable core
[2022-02-18 20:30:23,623 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:23,655 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:30:23,680 INFO  L353             Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2022-02-18 20:30:23,680 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14
[2022-02-18 20:30:23,718 INFO  L353             Elim1Store]: treesize reduction 28, result has 40.4 percent of original size
[2022-02-18 20:30:23,719 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 30
[2022-02-18 20:30:24,097 INFO  L353             Elim1Store]: treesize reduction 8, result has 68.0 percent of original size
[2022-02-18 20:30:24,097 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 34
[2022-02-18 20:30:24,236 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2022-02-18 20:30:24,493 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:30:24,582 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:30:24,638 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:30:24,786 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11
[2022-02-18 20:30:24,843 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:24,843 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:29,446 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:29,446 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [714156362] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:29,446 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:29,446 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 13] total 41
[2022-02-18 20:30:29,446 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29420646]
[2022-02-18 20:30:29,446 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:29,447 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2022-02-18 20:30:29,447 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:29,447 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2022-02-18 20:30:29,448 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=1434, Unknown=1, NotChecked=0, Total=1640
[2022-02-18 20:30:29,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:29,448 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:29,448 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 41 states, 41 states have (on average 7.195121951219512) internal successors, (295), 41 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:29,448 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2022-02-18 20:30:29,449 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:30,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:30,906 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2022-02-18 20:30:30,923 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2022-02-18 20:30:31,107 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:31,107 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:31,107 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:31,108 INFO  L85        PathProgramCache]: Analyzing trace with hash -1072737114, now seen corresponding path program 1 times
[2022-02-18 20:30:31,108 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:31,108 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637433822]
[2022-02-18 20:30:31,108 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:31,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:31,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:31,204 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:31,204 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:31,205 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637433822]
[2022-02-18 20:30:31,205 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637433822] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:31,205 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189823850]
[2022-02-18 20:30:31,205 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:31,205 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:31,205 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:31,206 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:31,207 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-02-18 20:30:31,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:31,298 INFO  L263         TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-02-18 20:30:31,300 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:31,568 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:31,568 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:31,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:31,895 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189823850] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:31,895 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:31,895 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24
[2022-02-18 20:30:31,897 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376618299]
[2022-02-18 20:30:31,897 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:31,898 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2022-02-18 20:30:31,898 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:31,899 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2022-02-18 20:30:31,899 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552
[2022-02-18 20:30:31,899 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:31,899 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:31,899 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:31,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:31,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:31,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:31,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:31,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:31,899 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:31,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-02-18 20:30:31,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:31,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:31,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2022-02-18 20:30:31,900 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:32,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:32,232 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:32,232 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:30:32,251 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:32,432 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:32,432 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:32,433 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:32,433 INFO  L85        PathProgramCache]: Analyzing trace with hash -579543098, now seen corresponding path program 2 times
[2022-02-18 20:30:32,433 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:32,433 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521794836]
[2022-02-18 20:30:32,433 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:32,433 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:32,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:32,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:32,677 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:32,677 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521794836]
[2022-02-18 20:30:32,677 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521794836] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:32,677 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539241379]
[2022-02-18 20:30:32,677 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:30:32,677 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:32,678 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:32,678 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)
[2022-02-18 20:30:32,679 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-02-18 20:30:32,784 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:30:32,784 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:32,785 INFO  L263         TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 13 conjunts are in the unsatisfiable core
[2022-02-18 20:30:32,787 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:33,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:33,231 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:33,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:33,570 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539241379] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:33,570 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:33,570 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 34
[2022-02-18 20:30:33,571 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861710895]
[2022-02-18 20:30:33,571 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:33,571 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2022-02-18 20:30:33,571 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:33,571 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2022-02-18 20:30:33,572 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=939, Unknown=0, NotChecked=0, Total=1122
[2022-02-18 20:30:33,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:33,572 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:33,572 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 34 states, 34 states have (on average 7.294117647058823) internal successors, (248), 34 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2022-02-18 20:30:33,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:33,573 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:33,573 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:33,573 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2022-02-18 20:30:33,573 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:35,399 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:30:35,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2022-02-18 20:30:35,417 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:35,607 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-02-18 20:30:35,608 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:35,608 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:35,608 INFO  L85        PathProgramCache]: Analyzing trace with hash -321292346, now seen corresponding path program 3 times
[2022-02-18 20:30:35,609 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:35,609 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550508037]
[2022-02-18 20:30:35,609 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:35,609 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:35,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:35,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:35,706 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:35,706 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550508037]
[2022-02-18 20:30:35,706 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550508037] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:35,706 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411857370]
[2022-02-18 20:30:35,707 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-18 20:30:35,707 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:35,707 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:35,708 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:35,709 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-02-18 20:30:35,805 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2022-02-18 20:30:35,805 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:35,806 INFO  L263         TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-02-18 20:30:35,808 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:36,028 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:36,029 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:36,206 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-02-18 20:30:36,206 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411857370] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:36,206 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:36,207 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25
[2022-02-18 20:30:36,207 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631752219]
[2022-02-18 20:30:36,207 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:36,207 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2022-02-18 20:30:36,207 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:36,208 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2022-02-18 20:30:36,208 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600
[2022-02-18 20:30:36,208 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:36,208 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:36,209 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 9.12) internal successors, (228), 25 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2022-02-18 20:30:36,209 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:42,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. 
[2022-02-18 20:30:42,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2022-02-18 20:30:42,273 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2022-02-18 20:30:42,456 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2022-02-18 20:30:42,457 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:42,457 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:42,457 INFO  L85        PathProgramCache]: Analyzing trace with hash 1256136120, now seen corresponding path program 2 times
[2022-02-18 20:30:42,457 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:42,457 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609446158]
[2022-02-18 20:30:42,457 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:42,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:42,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:42,548 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-18 20:30:42,548 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:42,550 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609446158]
[2022-02-18 20:30:42,550 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609446158] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:42,550 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543760838]
[2022-02-18 20:30:42,550 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-02-18 20:30:42,550 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:42,550 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:42,551 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:42,552 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-02-18 20:30:42,639 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-02-18 20:30:42,639 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:42,641 INFO  L263         TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-02-18 20:30:42,642 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:42,881 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-18 20:30:42,881 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:43,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-18 20:30:43,039 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [543760838] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:43,039 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:43,040 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 21
[2022-02-18 20:30:43,040 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495329809]
[2022-02-18 20:30:43,040 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:43,040 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2022-02-18 20:30:43,040 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:43,040 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2022-02-18 20:30:43,041 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420
[2022-02-18 20:30:43,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:43,041 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:43,041 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 10.904761904761905) internal successors, (229), 21 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. 
[2022-02-18 20:30:43,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. 
[2022-02-18 20:30:43,042 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:43,042 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:43,042 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. 
[2022-02-18 20:30:43,042 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2022-02-18 20:30:43,042 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:44,049 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:44,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:30:44,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:44,050 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:30:44,066 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:44,263 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2022-02-18 20:30:44,263 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:44,264 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:44,264 INFO  L85        PathProgramCache]: Analyzing trace with hash 461744508, now seen corresponding path program 4 times
[2022-02-18 20:30:44,264 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:44,264 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229604033]
[2022-02-18 20:30:44,264 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:44,264 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:44,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:45,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:45,403 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:45,403 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229604033]
[2022-02-18 20:30:45,403 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229604033] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:45,403 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922413759]
[2022-02-18 20:30:45,403 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-18 20:30:45,403 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:45,403 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:45,404 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:45,405 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-02-18 20:30:45,510 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-18 20:30:45,510 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:45,513 INFO  L263         TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 101 conjunts are in the unsatisfiable core
[2022-02-18 20:30:45,515 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:46,909 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:30:46,910 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:30:46,920 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:30:46,921 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 50
[2022-02-18 20:30:47,226 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:47,226 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:50,942 INFO  L353             Elim1Store]: treesize reduction 50, result has 51.5 percent of original size
[2022-02-18 20:30:50,942 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 62
[2022-02-18 20:30:51,881 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:51,881 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [922413759] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:51,881 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:51,881 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 36, 30] total 77
[2022-02-18 20:30:51,881 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707221731]
[2022-02-18 20:30:51,881 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:51,882 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2022-02-18 20:30:51,882 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:51,882 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2022-02-18 20:30:51,883 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=5407, Unknown=1, NotChecked=0, Total=5852
[2022-02-18 20:30:51,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:51,883 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:51,884 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 77 states, 77 states have (on average 3.8181818181818183) internal successors, (294), 77 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:30:51,884 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:54,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:30:54,703 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:30:54,719 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2022-02-18 20:30:54,903 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2022-02-18 20:30:54,903 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:54,904 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:54,904 INFO  L85        PathProgramCache]: Analyzing trace with hash -705558752, now seen corresponding path program 5 times
[2022-02-18 20:30:54,904 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:54,904 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703779157]
[2022-02-18 20:30:54,904 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:54,904 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:54,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:55,080 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:30:55,080 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:55,080 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703779157]
[2022-02-18 20:30:55,080 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703779157] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:55,080 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080221571]
[2022-02-18 20:30:55,081 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-18 20:30:55,081 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:55,081 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:55,082 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:55,090 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-02-18 20:30:55,195 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2022-02-18 20:30:55,195 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:55,197 INFO  L263         TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 19 conjunts are in the unsatisfiable core
[2022-02-18 20:30:55,199 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:55,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:30:55,825 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:56,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:30:56,212 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080221571] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:56,212 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:56,212 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40
[2022-02-18 20:30:56,212 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196756379]
[2022-02-18 20:30:56,212 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:56,212 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2022-02-18 20:30:56,212 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:56,213 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2022-02-18 20:30:56,213 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1322, Unknown=0, NotChecked=0, Total=1560
[2022-02-18 20:30:56,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:56,213 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:56,213 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 40 states, 40 states have (on average 6.25) internal successors, (250), 40 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:56,213 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:56,213 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:30:56,214 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:30:57,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:57,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:57,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:30:57,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:30:57,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:30:57,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:30:57,368 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:30:57,385 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:57,569 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2022-02-18 20:30:57,569 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:57,569 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:57,569 INFO  L85        PathProgramCache]: Analyzing trace with hash -1794192392, now seen corresponding path program 3 times
[2022-02-18 20:30:57,570 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:57,570 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247249950]
[2022-02-18 20:30:57,570 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:57,570 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:57,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:57,688 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:30:57,688 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:57,688 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247249950]
[2022-02-18 20:30:57,689 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247249950] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:57,689 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235742878]
[2022-02-18 20:30:57,689 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-18 20:30:57,689 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:57,689 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:57,690 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:57,691 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2022-02-18 20:30:57,796 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2022-02-18 20:30:57,796 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:57,798 INFO  L263         TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-02-18 20:30:57,799 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:30:58,063 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-18 20:30:58,063 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:30:58,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-18 20:30:58,233 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [235742878] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:30:58,233 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:30:58,233 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 23
[2022-02-18 20:30:58,233 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914055731]
[2022-02-18 20:30:58,233 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:30:58,234 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2022-02-18 20:30:58,234 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:30:58,234 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2022-02-18 20:30:58,234 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506
[2022-02-18 20:30:58,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:58,234 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:30:58,235 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2022-02-18 20:30:58,235 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:58,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:30:58,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:30:58,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2022-02-18 20:30:58,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:30:58,820 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2022-02-18 20:30:59,004 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2022-02-18 20:30:59,004 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:30:59,004 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:30:59,004 INFO  L85        PathProgramCache]: Analyzing trace with hash 2015255708, now seen corresponding path program 3 times
[2022-02-18 20:30:59,004 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:30:59,004 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053181748]
[2022-02-18 20:30:59,004 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:30:59,005 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:30:59,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:30:59,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:30:59,855 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:30:59,856 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053181748]
[2022-02-18 20:30:59,856 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053181748] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:30:59,856 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290201940]
[2022-02-18 20:30:59,856 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-02-18 20:30:59,856 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:30:59,856 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:30:59,857 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:30:59,857 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2022-02-18 20:30:59,967 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2022-02-18 20:30:59,967 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:30:59,970 INFO  L263         TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 116 conjunts are in the unsatisfiable core
[2022-02-18 20:30:59,972 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:31:00,067 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:31:00,118 INFO  L353             Elim1Store]: treesize reduction 11, result has 45.0 percent of original size
[2022-02-18 20:31:00,118 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18
[2022-02-18 20:31:00,562 INFO  L353             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2022-02-18 20:31:00,562 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15
[2022-02-18 20:31:01,004 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2022-02-18 20:31:01,538 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:31:01,646 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:31:01,748 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2022-02-18 20:31:02,586 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-02-18 20:31:02,587 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-02-18 20:31:02,589 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:31:02,589 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 24
[2022-02-18 20:31:02,650 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:31:02,650 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:31:07,373 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:31:07,374 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 115 treesize of output 80
[2022-02-18 20:31:07,389 INFO  L353             Elim1Store]: treesize reduction 27, result has 27.0 percent of original size
[2022-02-18 20:31:07,390 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 534 treesize of output 500
[2022-02-18 20:31:07,410 INFO  L353             Elim1Store]: treesize reduction 27, result has 27.0 percent of original size
[2022-02-18 20:31:07,410 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 490 treesize of output 388
[2022-02-18 20:31:07,433 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-02-18 20:31:07,434 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-02-18 20:31:07,439 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:31:07,440 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 189 treesize of output 176
[2022-02-18 20:31:07,445 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-02-18 20:31:07,447 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-02-18 20:31:07,452 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:31:07,452 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 350 treesize of output 308
[2022-02-18 20:31:09,011 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8
[2022-02-18 20:31:09,031 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:31:09,031 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290201940] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:31:09,031 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:31:09,031 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 40, 37] total 95
[2022-02-18 20:31:09,031 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083102283]
[2022-02-18 20:31:09,031 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:31:09,032 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 95 states
[2022-02-18 20:31:09,032 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:31:09,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants.
[2022-02-18 20:31:09,034 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=8129, Unknown=147, NotChecked=0, Total=8930
[2022-02-18 20:31:09,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:09,034 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:31:09,034 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 95 states, 95 states have (on average 3.6736842105263157) internal successors, (349), 95 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:09,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:09,035 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:14,007 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:14,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:14,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:14,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:14,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:14,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:14,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:14,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2022-02-18 20:31:14,026 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2022-02-18 20:31:14,208 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:14,209 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:31:14,209 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:31:14,209 INFO  L85        PathProgramCache]: Analyzing trace with hash -121642432, now seen corresponding path program 4 times
[2022-02-18 20:31:14,209 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:31:14,209 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136797891]
[2022-02-18 20:31:14,209 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:31:14,209 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:31:14,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:31:14,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:14,368 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:31:14,368 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136797891]
[2022-02-18 20:31:14,368 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136797891] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:31:14,369 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025834630]
[2022-02-18 20:31:14,369 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-18 20:31:14,369 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:14,369 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:31:14,370 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:31:14,371 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2022-02-18 20:31:14,460 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-18 20:31:14,460 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:31:14,461 INFO  L263         TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 14 conjunts are in the unsatisfiable core
[2022-02-18 20:31:14,463 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:31:14,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:14,828 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:31:15,168 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:15,168 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025834630] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:31:15,168 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:31:15,169 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 34
[2022-02-18 20:31:15,169 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092136330]
[2022-02-18 20:31:15,169 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:31:15,169 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2022-02-18 20:31:15,169 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:31:15,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2022-02-18 20:31:15,170 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=933, Unknown=0, NotChecked=0, Total=1122
[2022-02-18 20:31:15,170 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:15,170 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:31:15,170 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 34 states, 34 states have (on average 6.382352941176471) internal successors, (217), 34 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:15,170 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:15,171 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:15,171 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:15,171 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:15,171 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:15,171 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:15,171 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. 
[2022-02-18 20:31:15,171 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:15,876 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:15,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:15,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:15,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:15,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:15,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:31:15,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:31:15,877 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:15,895 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2022-02-18 20:31:16,077 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:16,077 INFO  L402      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:31:16,078 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:31:16,078 INFO  L85        PathProgramCache]: Analyzing trace with hash -1786517572, now seen corresponding path program 4 times
[2022-02-18 20:31:16,078 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:31:16,078 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779186394]
[2022-02-18 20:31:16,078 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:31:16,078 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:31:16,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:31:16,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-18 20:31:16,833 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:31:16,834 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779186394]
[2022-02-18 20:31:16,834 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779186394] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:31:16,834 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162751824]
[2022-02-18 20:31:16,834 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2022-02-18 20:31:16,834 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:16,834 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:31:16,835 INFO  L229       MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:31:16,835 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2022-02-18 20:31:16,940 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2022-02-18 20:31:16,940 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:31:16,942 INFO  L263         TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 93 conjunts are in the unsatisfiable core
[2022-02-18 20:31:16,944 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:31:18,016 INFO  L353             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-02-18 20:31:18,016 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13
[2022-02-18 20:31:18,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-02-18 20:31:18,053 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:31:18,483 INFO  L353             Elim1Store]: treesize reduction 39, result has 52.4 percent of original size
[2022-02-18 20:31:18,483 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 52
[2022-02-18 20:31:18,722 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2022-02-18 20:31:18,722 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162751824] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:31:18,722 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:31:18,722 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 27, 19] total 63
[2022-02-18 20:31:18,722 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333994628]
[2022-02-18 20:31:18,722 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:31:18,723 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 63 states
[2022-02-18 20:31:18,723 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:31:18,723 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants.
[2022-02-18 20:31:18,724 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=3651, Unknown=0, NotChecked=0, Total=3906
[2022-02-18 20:31:18,724 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:18,724 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:31:18,724 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 63 states, 63 states have (on average 5.158730158730159) internal successors, (325), 63 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:31:18,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:18,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:18,724 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:18,725 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:20,871 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:20,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. 
[2022-02-18 20:31:20,889 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2022-02-18 20:31:21,072 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:21,073 INFO  L402      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:31:21,073 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:31:21,073 INFO  L85        PathProgramCache]: Analyzing trace with hash 1431868768, now seen corresponding path program 5 times
[2022-02-18 20:31:21,073 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:31:21,073 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112830597]
[2022-02-18 20:31:21,073 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:31:21,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:31:21,095 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:31:21,203 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:21,203 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:31:21,203 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112830597]
[2022-02-18 20:31:21,204 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112830597] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:31:21,204 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010244938]
[2022-02-18 20:31:21,204 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-18 20:31:21,204 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:21,204 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:31:21,205 INFO  L229       MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:31:21,213 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2022-02-18 20:31:21,316 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s)
[2022-02-18 20:31:21,316 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:31:21,318 INFO  L263         TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 14 conjunts are in the unsatisfiable core
[2022-02-18 20:31:21,320 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:31:21,688 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:21,689 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:31:22,038 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:22,038 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010244938] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:31:22,038 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:31:22,039 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34
[2022-02-18 20:31:22,039 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395085148]
[2022-02-18 20:31:22,039 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:31:22,039 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2022-02-18 20:31:22,039 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:31:22,039 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2022-02-18 20:31:22,040 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=924, Unknown=0, NotChecked=0, Total=1122
[2022-02-18 20:31:22,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:22,040 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:31:22,040 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 34 states, 34 states have (on average 6.411764705882353) internal successors, (218), 34 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:22,040 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. 
[2022-02-18 20:31:22,041 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:22,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:22,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:22,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:22,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:22,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:22,500 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-18 20:31:22,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:31:22,520 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2022-02-18 20:31:22,702 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:22,702 INFO  L402      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:31:22,702 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:31:22,702 INFO  L85        PathProgramCache]: Analyzing trace with hash 1925062784, now seen corresponding path program 5 times
[2022-02-18 20:31:22,702 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:31:22,702 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10477295]
[2022-02-18 20:31:22,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:31:22,703 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:31:22,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-18 20:31:22,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:22,867 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-18 20:31:22,867 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10477295]
[2022-02-18 20:31:22,867 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10477295] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-18 20:31:22,867 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994645393]
[2022-02-18 20:31:22,868 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2022-02-18 20:31:22,868 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:22,868 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-18 20:31:22,869 INFO  L229       MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-18 20:31:22,870 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2022-02-18 20:31:22,980 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2022-02-18 20:31:22,980 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2022-02-18 20:31:22,982 INFO  L263         TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 19 conjunts are in the unsatisfiable core
[2022-02-18 20:31:22,984 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-18 20:31:23,482 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:23,483 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-18 20:31:23,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2022-02-18 20:31:23,899 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [994645393] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-18 20:31:23,899 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-18 20:31:23,899 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 42
[2022-02-18 20:31:23,899 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112395876]
[2022-02-18 20:31:23,899 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-18 20:31:23,900 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 42 states
[2022-02-18 20:31:23,900 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-18 20:31:23,900 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants.
[2022-02-18 20:31:23,901 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=1504, Unknown=0, NotChecked=0, Total=1722
[2022-02-18 20:31:23,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:23,901 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-18 20:31:23,901 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 42 states, 42 states have (on average 6.0) internal successors, (252), 42 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2022-02-18 20:31:23,901 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:23,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:31:23,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2022-02-18 20:31:23,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. 
[2022-02-18 20:31:23,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. 
[2022-02-18 20:31:23,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. 
[2022-02-18 20:31:23,902 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. 
[2022-02-18 20:31:26,953 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2022-02-18 20:31:26,954 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2022-02-18 20:31:26,973 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0
[2022-02-18 20:31:27,155 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-18 20:31:27,155 INFO  L402      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-18 20:31:27,156 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-18 20:31:27,156 INFO  L85        PathProgramCache]: Analyzing trace with hash 105617318, now seen corresponding path program 6 times
[2022-02-18 20:31:27,156 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-18 20:31:27,156 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301909083]
[2022-02-18 20:31:27,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-18 20:31:27,156 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-18 20:31:27,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-18 20:31:27,225 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-18 20:31:27,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-18 20:31:27,314 INFO  L138   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-18 20:31:27,314 INFO  L628         BasicCegarLoop]: Counterexample is feasible
[2022-02-18 20:31:27,315 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2022-02-18 20:31:27,316 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-18 20:31:27,316 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-18 20:31:27,317 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-18 20:31:27,317 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2022-02-18 20:31:27,321 INFO  L732         BasicCegarLoop]: Path program histogram: [6, 5, 5, 1, 1, 1, 1, 1, 1, 1]
[2022-02-18 20:31:27,324 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-18 20:31:27,324 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-18 20:31:27,421 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 08:31:27 BasicIcfg
[2022-02-18 20:31:27,421 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-18 20:31:27,422 INFO  L158              Benchmark]: Toolchain (without parser) took 76518.93ms. Allocated memory was 202.4MB in the beginning and 471.9MB in the end (delta: 269.5MB). Free memory was 176.0MB in the beginning and 321.3MB in the end (delta: -145.3MB). Peak memory consumption was 345.2MB. Max. memory is 8.0GB.
[2022-02-18 20:31:27,422 INFO  L158              Benchmark]: CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 164.2MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-18 20:31:27,422 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 249.13ms. Allocated memory is still 202.4MB. Free memory was 175.8MB in the beginning and 173.0MB in the end (delta: 2.8MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB.
[2022-02-18 20:31:27,422 INFO  L158              Benchmark]: Boogie Procedure Inliner took 37.72ms. Allocated memory is still 202.4MB. Free memory was 172.9MB in the beginning and 170.6MB in the end (delta: 2.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-18 20:31:27,422 INFO  L158              Benchmark]: Boogie Preprocessor took 23.12ms. Allocated memory is still 202.4MB. Free memory was 170.6MB in the beginning and 169.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-18 20:31:27,422 INFO  L158              Benchmark]: RCFGBuilder took 517.90ms. Allocated memory is still 202.4MB. Free memory was 169.0MB in the beginning and 141.3MB in the end (delta: 27.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
[2022-02-18 20:31:27,423 INFO  L158              Benchmark]: TraceAbstraction took 75687.67ms. Allocated memory was 202.4MB in the beginning and 471.9MB in the end (delta: 269.5MB). Free memory was 140.9MB in the beginning and 321.3MB in the end (delta: -180.5MB). Peak memory consumption was 309.8MB. Max. memory is 8.0GB.
[2022-02-18 20:31:27,423 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 164.2MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 249.13ms. Allocated memory is still 202.4MB. Free memory was 175.8MB in the beginning and 173.0MB in the end (delta: 2.8MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 37.72ms. Allocated memory is still 202.4MB. Free memory was 172.9MB in the beginning and 170.6MB in the end (delta: 2.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 23.12ms. Allocated memory is still 202.4MB. Free memory was 170.6MB in the beginning and 169.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 517.90ms. Allocated memory is still 202.4MB. Free memory was 169.0MB in the beginning and 141.3MB in the end (delta: 27.7MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB.
 * TraceAbstraction took 75687.67ms. Allocated memory was 202.4MB in the beginning and 471.9MB in the end (delta: 269.5MB). Free memory was 140.9MB in the beginning and 321.3MB in the end (delta: -180.5MB). Peak memory consumption was 309.8MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37170, positive: 32347, positive conditional: 32347, positive unconditional: 0, negative: 4823, negative conditional: 4823, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32356, positive: 32347, positive conditional: 32347, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32356, positive: 32347, positive conditional: 32347, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32489, positive: 32347, positive conditional: 32187, positive unconditional: 160, negative: 142, negative conditional: 133, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32489, positive: 32347, positive conditional: 14565, positive unconditional: 17782, negative: 142, negative conditional: 58, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32489, positive: 32347, positive conditional: 14565, positive unconditional: 17782, negative: 142, negative conditional: 58, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1615, positive: 1584, positive conditional: 1085, positive unconditional: 499, negative: 31, negative conditional: 26, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1615, positive: 1579, positive conditional: 0, positive unconditional: 1579, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 31, negative conditional: 26, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 124, negative conditional: 108, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 32489, positive: 30763, positive conditional: 13480, positive unconditional: 17283, negative: 111, negative conditional: 32, negative unconditional: 79, unknown: 1615, unknown conditional: 1111, unknown unconditional: 504] , Statistics on independence cache: Total cache size (in pairs): 1615, Positive cache size: 1584, Positive conditional cache size: 1085, Positive unconditional cache size: 499, Negative cache size: 31, Negative conditional cache size: 26, Negative unconditional cache size: 5, Eliminated conditions: 17697, Maximal queried relation: 19, Independence queries for same thread: 4814
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 104]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L40]                0  int* A;
        VAL             [A={0:0}]
[L41]                0  int res1, res2, M, N;
        VAL             [A={0:0}, M=0, N=0, res1=0, res2=0]
[L86]                0  pthread_t t1, t2, t3;
        VAL             [A={0:0}, M=0, N=0, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L89]                0  M = __VERIFIER_nondet_int()
        VAL             [__VERIFIER_nondet_int()=1, A={0:0}, M=1, N=0, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L90]                0  N = __VERIFIER_nondet_int()
        VAL             [__VERIFIER_nondet_int()=2, A={0:0}, M=1, N=2, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L91]   CALL, EXPR   0  create_fresh_int_array(N)
[L110]  CALL         0  assume_abort_if_not(size >= 0)
[L37]   COND FALSE   0  !(!cond)
        VAL             [\old(cond)=1, A={0:0}, cond=1, M=1, N=2, res1=0, res2=0]
[L110]  RET          0  assume_abort_if_not(size >= 0)
[L111]  CALL         0  assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int)))
[L37]   COND FALSE   0  !(!cond)
        VAL             [\old(cond)=1, A={0:0}, cond=1, M=1, N=2, res1=0, res2=0]
[L111]  RET          0  assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int)))
[L113]               0  int* arr = (int*)malloc(sizeof(int) * (size_t)size);
        VAL             [\old(size)=2, A={0:0}, arr={3:0}, M=1, malloc(sizeof(int) * (size_t)size)={3:0}, N=2, res1=0, res2=0, size=2]
[L114]               0  int i = 0;
        VAL             [\old(size)=2, A={0:0}, arr={3:0}, i=0, M=1, N=2, res1=0, res2=0, size=2]
[L114]  COND TRUE    0  i < size
        VAL             [\old(size)=2, A={0:0}, arr={3:0}, i=0, M=1, N=2, res1=0, res2=0, size=2]
[L115]               0  arr[i] = __VERIFIER_nondet_int()
        VAL             [\old(size)=2, __VERIFIER_nondet_int()=-14, A={0:0}, arr={3:0}, i=0, M=1, N=2, res1=0, res2=0, size=2]
[L114]               0  i++
        VAL             [\old(size)=2, A={0:0}, arr={3:0}, i=1, M=1, N=2, res1=0, res2=0, size=2]
[L114]  COND TRUE    0  i < size
        VAL             [\old(size)=2, A={0:0}, arr={3:0}, i=1, M=1, N=2, res1=0, res2=0, size=2]
[L115]               0  arr[i] = __VERIFIER_nondet_int()
        VAL             [\old(size)=2, __VERIFIER_nondet_int()=2147483647, A={0:0}, arr={3:0}, i=1, M=1, N=2, res1=0, res2=0, size=2]
[L114]               0  i++
        VAL             [\old(size)=2, A={0:0}, arr={3:0}, i=2, M=1, N=2, res1=0, res2=0, size=2]
[L114]  COND FALSE   0  !(i < size)
        VAL             [\old(size)=2, A={0:0}, arr={3:0}, i=2, M=1, N=2, res1=0, res2=0, size=2]
[L117]               0  return arr;
        VAL             [\old(size)=2, \result={3:0}, A={0:0}, arr={3:0}, i=2, M=1, N=2, res1=0, res2=0, size=2]
[L91]   RET, EXPR    0  create_fresh_int_array(N)
[L91]                0  A = create_fresh_int_array(N)
        VAL             [A={3:0}, create_fresh_int_array(N)={3:0}, M=1, N=2, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L93]   CALL         0  assume_abort_if_not(M >= 0 && M <= N)
[L37]   COND FALSE   0  !(!cond)
        VAL             [\old(cond)=1, A={3:0}, cond=1, M=1, N=2, res1=0, res2=0]
[L93]   RET          0  assume_abort_if_not(M >= 0 && M <= N)
[L96]   FCALL, FORK  0  pthread_create(&t1, 0, thread1, 0)
        VAL             [A={3:0}, M=1, N=2, pthread_create(&t1, 0, thread1, 0)=-3, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L97]   FCALL, FORK  0  pthread_create(&t2, 0, thread2, 0)
        VAL             [A={3:0}, M=1, N=2, pthread_create(&t2, 0, thread2, 0)=-2, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L98]   FCALL, FORK  0  pthread_create(&t3, 0, thread3, 0)
        VAL             [A={3:0}, M=1, N=2, pthread_create(&t3, 0, thread3, 0)=-1, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L99]                0  \read(t1)
        VAL             [\read(t1)=-3, A={3:0}, M=1, N=2, res1=0, res2=0, t1={6:0}, t2={7:0}, t3={5:0}]
[L47]                1  int i=0;
        VAL             [A={3:0}, i=0, M=1, N=2, res1=0, res2=0]
[L47]   COND TRUE    1  i<N
        VAL             [A={3:0}, i=0, M=1, N=2, res1=0, res2=0]
[L49]   EXPR         1  A[i]
[L49]   CALL, EXPR   1  plus(res1, A[i])
[L121]  CALL         1  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L37]   COND FALSE   1  !(!cond)
[L121]  RET          1  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L122]  CALL         1  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L37]   COND FALSE   1  !(!cond)
[L122]  RET          1  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L123]               1  return a + b;
[L49]   RET, EXPR    1  plus(res1, A[i])
[L49]                1  int tmp = plus(res1, A[i]);
[L52]                1  res1 = tmp
        VAL             [A={3:0}, i=0, M=1, N=2, res1=-14, res2=0, tmp=-14]
[L47]                1  i++
        VAL             [A={3:0}, i=1, M=1, N=2, res1=-14, res2=0, tmp=-14]
[L47]   COND TRUE    1  i<N
        VAL             [A={3:0}, i=1, M=1, N=2, res1=-14, res2=0, tmp=-14]
[L49]   EXPR         1  A[i]
[L49]   CALL, EXPR   1  plus(res1, A[i])
[L121]  CALL         1  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L37]   COND FALSE   1  !(!cond)
[L121]  RET          1  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L122]  CALL         1  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L37]   COND FALSE   1  !(!cond)
[L122]  RET          1  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L123]               1  return a + b;
[L49]   RET, EXPR    1  plus(res1, A[i])
[L49]                1  int tmp = plus(res1, A[i]);
[L52]                1  res1 = tmp
        VAL             [A={3:0}, i=1, M=1, N=2, res1=2147483633, res2=0, tmp=2147483633]
[L47]                1  i++
        VAL             [A={3:0}, i=2, M=1, N=2, res1=2147483633, res2=0, tmp=2147483633]
[L47]   COND FALSE   1  !(i<N)
        VAL             [A={3:0}, i=2, M=1, N=2, res1=2147483633, res2=0, tmp=2147483633]
[L56]                1  return 0;
        VAL             [\result={0:0}, A={3:0}, i=2, M=1, N=2, res1=2147483633, res2=0, tmp=2147483633]
[L60]                2  int i=0;
        VAL             [A={3:0}, i=0, M=1, N=2, res1=2147483633, res2=0]
[L60]   COND TRUE    2  i<M
        VAL             [A={3:0}, i=0, M=1, N=2, res1=2147483633, res2=0]
[L62]   EXPR         2  A[i]
[L62]   CALL, EXPR   2  plus(res2, A[i])
[L121]  CALL         2  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L37]   COND FALSE   2  !(!cond)
[L121]  RET          2  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L122]  CALL         2  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L37]   COND FALSE   2  !(!cond)
[L122]  RET          2  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L123]               2  return a + b;
[L62]   RET, EXPR    2  plus(res2, A[i])
[L62]                2  int tmp = plus(res2, A[i]);
[L73]                3  int i=M;
        VAL             [A={3:0}, i=1, M=1, N=2, res1=2147483633, res2=0]
[L73]   COND TRUE    3  i<N
        VAL             [A={3:0}, i=1, M=1, N=2, res1=2147483633, res2=0]
[L75]   EXPR         3  A[i]
[L75]   CALL, EXPR   3  plus(res2, A[i])
[L121]  CALL         3  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L37]   COND FALSE   3  !(!cond)
[L121]  RET          3  assume_abort_if_not(b >= 0 || a >= -2147483648 - b)
[L122]  CALL         3  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L37]   COND FALSE   3  !(!cond)
[L122]  RET          3  assume_abort_if_not(b <= 0 || a <= 2147483647 - b)
[L123]               3  return a + b;
[L75]   RET, EXPR    3  plus(res2, A[i])
[L75]                3  int tmp = plus(res2, A[i]);
[L65]                2  res2 = tmp
        VAL             [A={3:0}, i=0, M=1, N=2, res1=2147483633, res2=-14, tmp=-14]
[L60]                2  i++
        VAL             [A={3:0}, i=1, M=1, N=2, res1=2147483633, res2=-14, tmp=-14]
[L60]   COND FALSE   2  !(i<M)
        VAL             [A={3:0}, i=1, M=1, N=2, res1=2147483633, res2=-14, tmp=-14]
[L69]                2  return 0;
        VAL             [\result={0:0}, A={3:0}, i=1, M=1, N=2, res1=2147483633, res2=-14, tmp=-14]
[L78]                3  res2 = tmp
        VAL             [A={3:0}, i=1, M=1, N=2, res1=2147483633, res2=2147483647, tmp=2147483647]
[L73]                3  i++
        VAL             [A={3:0}, i=2, M=1, N=2, res1=2147483633, res2=2147483647, tmp=2147483647]
[L73]   COND FALSE   3  !(i<N)
        VAL             [A={3:0}, i=2, M=1, N=2, res1=2147483633, res2=2147483647, tmp=2147483647]
[L82]                3  return 0;
        VAL             [\result={0:0}, A={3:0}, i=2, M=1, N=2, res1=2147483633, res2=2147483647, tmp=2147483647]
[L99]   FCALL, JOIN  1  pthread_join(t1, 0)
        VAL             [\read(t1)=-3, A={3:0}, M=1, N=2, res1=2147483633, res2=2147483647, t1={6:0}, t2={7:0}, t3={5:0}]
[L100]               0  \read(t2)
        VAL             [\read(t2)=-2, A={3:0}, M=1, N=2, res1=2147483633, res2=2147483647, t1={6:0}, t2={7:0}, t3={5:0}]
[L100]  FCALL, JOIN  2  pthread_join(t2, 0)
        VAL             [\read(t2)=-2, A={3:0}, M=1, N=2, res1=2147483633, res2=2147483647, t1={6:0}, t2={7:0}, t3={5:0}]
[L101]               0  \read(t3)
        VAL             [\read(t3)=-1, A={3:0}, M=1, N=2, res1=2147483633, res2=2147483647, t1={6:0}, t2={7:0}, t3={5:0}]
[L101]  FCALL, JOIN  3  pthread_join(t3, 0)
        VAL             [\read(t3)=-1, A={3:0}, M=1, N=2, res1=2147483633, res2=2147483647, t1={6:0}, t2={7:0}, t3={5:0}]
[L103]  CALL         0  assume_abort_if_not(res1 != res2)
[L37]   COND FALSE   0  !(!cond)
        VAL             [\old(cond)=1, \old(cond)=1, \old(cond)=1, \old(cond)=1, A={3:0}, cond=1, cond=1, cond=1, cond=1, M=1, N=2, res1=2147483633, res2=2147483647]
[L103]  RET          0  assume_abort_if_not(res1 != res2)
[L104]               0  reach_error()
        VAL             [A={3:0}, M=1, N=2, res1=2147483633, res2=2147483647, t1={6:0}, t2={7:0}, t3={5:0}]

  - UnprovableResult [Line: 98]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 96]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 97]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 7 procedures, 178 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 75.5s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 30.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 746, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 38.4s InterpolantComputationTime, 5296 NumberOfCodeBlocks, 5281 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 7400 ConstructedInterpolants, 141 QuantifiedInterpolants, 44131 SizeOfPredicates, 387 NumberOfNonLiveVariables, 6141 ConjunctsInSsa, 588 ConjunctsInUnsatCore, 56 InterpolantComputations, 7 PerfectInterpolantSequences, 400/816 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-02-18 20:31:27,451 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2022-02-18 20:31:27,676 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...