/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/join_correct.c


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


This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-01 23:28:08,229 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2021-06-01 23:28:08,270 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-01 23:28:08,273 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2021-06-01 23:28:08,298 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2021-06-01 23:28:08,302 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-01 23:28:08,304 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-01 23:28:08,305 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-01 23:28:08,307 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-01 23:28:08,312 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
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[2021-06-01 23:28:08,315 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-06-01 23:28:08,316 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-01 23:28:08,322 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-06-01 23:28:08,326 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-06-01 23:28:08,329 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-06-01 23:28:08,329 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2021-06-01 23:28:08,330 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-06-01 23:28:08,331 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-01 23:28:08,335 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-DelaySleep-NoLbe.epf
[2021-06-01 23:28:08,374 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-01 23:28:08,375 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-01 23:28:08,375 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-01 23:28:08,375 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-01 23:28:08,378 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-01 23:28:08,378 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-01 23:28:08,378 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-01 23:28:08,378 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-01 23:28:08,379 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-01 23:28:08,379 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-01 23:28:08,379 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-01 23:28:08,380 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-01 23:28:08,380 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-01 23:28:08,380 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-01 23:28:08,380 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-01 23:28:08,380 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-01 23:28:08,380 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-01 23:28:08,381 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-01 23:28:08,381 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-01 23:28:08,381 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-01 23:28:08,381 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-01 23:28:08,381 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-01 23:28:08,381 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-01 23:28:08,381 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 23:28:08,382 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-01 23:28:08,382 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-01 23:28:08,382 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-01 23:28:08,382 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-01 23:28:08,382 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-01 23:28:08,382 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-01 23:28:08,383 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-06-01 23:28:08,383 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-01 23:28:08,383 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET
[2021-06-01 23:28:08,383 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-01 23:28:08,667 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-01 23:28:08,684 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-01 23:28:08,686 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-01 23:28:08,687 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-06-01 23:28:08,688 INFO  L275        PluginConnector]: CDTParser initialized
[2021-06-01 23:28:08,688 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/join_correct.c
[2021-06-01 23:28:08,737 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ac82d4e/bc6b2fc566a74e1dac80ead5fccefcca/FLAG7ade49b24
[2021-06-01 23:28:09,155 INFO  L306              CDTParser]: Found 1 translation units.
[2021-06-01 23:28:09,156 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/join_correct.c
[2021-06-01 23:28:09,156 WARN  L117   ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available.
[2021-06-01 23:28:09,184 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ac82d4e/bc6b2fc566a74e1dac80ead5fccefcca/FLAG7ade49b24
[2021-06-01 23:28:09,202 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ac82d4e/bc6b2fc566a74e1dac80ead5fccefcca
[2021-06-01 23:28:09,205 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-01 23:28:09,207 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-01 23:28:09,215 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-01 23:28:09,215 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-01 23:28:09,218 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-01 23:28:09,218 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,219 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653c9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09, skipping insertion in model container
[2021-06-01 23:28:09,219 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,225 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-06-01 23:28:09,237 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-06-01 23:28:09,450 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-01 23:28:09,464 INFO  L203         MainTranslator]: Completed pre-run
[2021-06-01 23:28:09,477 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-01 23:28:09,489 INFO  L208         MainTranslator]: Completed translation
[2021-06-01 23:28:09,491 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09 WrapperNode
[2021-06-01 23:28:09,491 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-01 23:28:09,492 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-01 23:28:09,492 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-01 23:28:09,493 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-01 23:28:09,499 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,505 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,519 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-01 23:28:09,520 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-01 23:28:09,520 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-01 23:28:09,520 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-01 23:28:09,526 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,526 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,535 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,536 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,545 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,547 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,548 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
[2021-06-01 23:28:09,549 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-01 23:28:09,550 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-01 23:28:09,550 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-01 23:28:09,550 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-01 23:28:09,551 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 23:28:09,618 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-06-01 23:28:09,619 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-06-01 23:28:09,619 INFO  L130     BoogieDeclarations]: Found specification of procedure increment
[2021-06-01 23:28:09,619 INFO  L138     BoogieDeclarations]: Found implementation of procedure increment
[2021-06-01 23:28:09,620 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-01 23:28:09,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-01 23:28:09,620 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-06-01 23:28:09,620 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-06-01 23:28:09,620 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-01 23:28:09,620 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-01 23:28:09,621 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-01 23:28:09,871 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-01 23:28:09,871 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2021-06-01 23:28:09,872 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 11:28:09 BoogieIcfgContainer
[2021-06-01 23:28:09,872 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-01 23:28:09,874 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-01 23:28:09,874 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-01 23:28:09,876 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-01 23:28:09,876 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 11:28:09" (1/3) ...
[2021-06-01 23:28:09,877 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bc4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 11:28:09, skipping insertion in model container
[2021-06-01 23:28:09,877 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 11:28:09" (2/3) ...
[2021-06-01 23:28:09,877 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bc4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 11:28:09, skipping insertion in model container
[2021-06-01 23:28:09,877 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 11:28:09" (3/3) ...
[2021-06-01 23:28:09,878 INFO  L111   eAbstractionObserver]: Analyzing ICFG join_correct.c
[2021-06-01 23:28:09,899 WARN  L148   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-01 23:28:09,900 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-01 23:28:09,900 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-01 23:28:09,900 INFO  L471   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-01 23:28:09,941 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,942 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,942 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,942 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,942 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,943 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,943 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,943 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,943 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,943 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,943 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,943 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,944 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,944 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,944 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,944 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,946 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,946 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,946 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,946 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:09,966 INFO  L149    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2021-06-01 23:28:09,984 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-06-01 23:28:10,042 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-01 23:28:10,043 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-01 23:28:10,043 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-01 23:28:10,043 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-01 23:28:10,043 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-01 23:28:10,043 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-01 23:28:10,044 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-01 23:28:10,044 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-01 23:28:10,084 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:10,091 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:10,091 INFO  L82        PathProgramCache]: Analyzing trace with hash -1974813216, now seen corresponding path program 1 times
[2021-06-01 23:28:10,099 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:10,100 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284022517]
[2021-06-01 23:28:10,100 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:10,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:10,264 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-06-01 23:28:10,264 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 23:28:10,265 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284022517]
[2021-06-01 23:28:10,266 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284022517] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 23:28:10,266 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 23:28:10,266 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-06-01 23:28:10,267 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183038292]
[2021-06-01 23:28:10,270 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-06-01 23:28:10,270 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 23:28:10,282 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-06-01 23:28:10,283 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-06-01 23:28:10,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:10,286 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-01 23:28:10,288 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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)
[2021-06-01 23:28:10,288 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:10,294 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:10,294 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-01 23:28:10,294 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:10,298 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:10,298 INFO  L82        PathProgramCache]: Analyzing trace with hash -1845730497, now seen corresponding path program 1 times
[2021-06-01 23:28:10,298 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:10,299 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266989966]
[2021-06-01 23:28:10,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:10,320 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:10,408 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:10,408 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 23:28:10,409 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266989966]
[2021-06-01 23:28:10,410 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266989966] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:10,411 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056444166]
[2021-06-01 23:28:10,411 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:10,496 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:10,498 INFO  L263         TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-06-01 23:28:10,502 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-01 23:28:10,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:10,642 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056444166] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:10,643 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-01 23:28:10,643 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2021-06-01 23:28:10,644 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810735030]
[2021-06-01 23:28:10,645 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 23:28:10,646 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 23:28:10,654 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 23:28:10,654 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-06-01 23:28:10,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:10,654 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-01 23:28:10,655 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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)
[2021-06-01 23:28:10,655 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:10,656 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:10,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:10,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:10,925 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:10,925 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:10,925 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:10,926 INFO  L82        PathProgramCache]: Analyzing trace with hash 1623463023, now seen corresponding path program 1 times
[2021-06-01 23:28:10,926 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:10,926 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115725391]
[2021-06-01 23:28:10,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:10,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-01 23:28:10,938 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-01 23:28:10,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-06-01 23:28:10,972 INFO  L223             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-06-01 23:28:10,998 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-06-01 23:28:10,998 INFO  L655         BasicCegarLoop]: Counterexample might be feasible
[2021-06-01 23:28:10,999 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-01 23:28:11,002 WARN  L243   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2021-06-01 23:28:11,002 INFO  L471   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2021-06-01 23:28:11,022 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,022 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,022 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,022 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,023 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,024 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,025 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,026 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,026 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,026 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,026 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,026 WARN  L313   ript$VariableManager]: TermVariabe incrementThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,026 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,037 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,037 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,037 WARN  L313   ript$VariableManager]: TermVariabe incrementThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,038 WARN  L313   ript$VariableManager]: TermVariabe |incrementThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 23:28:11,048 INFO  L149    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-06-01 23:28:11,048 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-06-01 23:28:11,058 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-01 23:28:11,059 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-01 23:28:11,059 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-01 23:28:11,059 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-01 23:28:11,059 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-01 23:28:11,059 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-01 23:28:11,059 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-01 23:28:11,059 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-01 23:28:11,064 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:11,064 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:11,064 INFO  L82        PathProgramCache]: Analyzing trace with hash 1760153436, now seen corresponding path program 1 times
[2021-06-01 23:28:11,064 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:11,064 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088995191]
[2021-06-01 23:28:11,064 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:11,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:11,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-06-01 23:28:11,116 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 23:28:11,116 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088995191]
[2021-06-01 23:28:11,116 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088995191] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 23:28:11,117 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 23:28:11,117 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-06-01 23:28:11,117 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32123261]
[2021-06-01 23:28:11,118 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-06-01 23:28:11,118 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 23:28:11,119 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-06-01 23:28:11,119 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-06-01 23:28:11,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:11,119 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-01 23:28:11,119 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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)
[2021-06-01 23:28:11,119 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:11,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:11,143 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-01 23:28:11,144 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:11,144 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:11,144 INFO  L82        PathProgramCache]: Analyzing trace with hash 1889236155, now seen corresponding path program 1 times
[2021-06-01 23:28:11,144 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:11,146 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236067499]
[2021-06-01 23:28:11,147 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:11,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:11,283 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:11,284 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 23:28:11,284 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236067499]
[2021-06-01 23:28:11,284 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236067499] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:11,284 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411506692]
[2021-06-01 23:28:11,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:11,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:11,336 INFO  L263         TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-06-01 23:28:11,337 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-01 23:28:11,439 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:11,440 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411506692] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:11,440 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-01 23:28:11,440 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2021-06-01 23:28:11,440 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118745638]
[2021-06-01 23:28:11,441 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 23:28:11,441 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 23:28:11,441 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 23:28:11,441 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-06-01 23:28:11,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:11,442 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-01 23:28:11,442 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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)
[2021-06-01 23:28:11,442 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:11,442 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:11,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:11,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:11,738 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:11,738 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:11,739 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:11,739 INFO  L82        PathProgramCache]: Analyzing trace with hash 452330562, now seen corresponding path program 1 times
[2021-06-01 23:28:11,739 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:11,739 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723356724]
[2021-06-01 23:28:11,740 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:11,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:11,916 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:11,917 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 23:28:11,917 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723356724]
[2021-06-01 23:28:11,917 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723356724] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:11,917 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755402376]
[2021-06-01 23:28:11,918 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:11,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:11,986 INFO  L263         TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 25 conjunts are in the unsatisfiable core
[2021-06-01 23:28:11,991 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-01 23:28:12,200 INFO  L388             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 11 treesize of output 7
[2021-06-01 23:28:12,202 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:12,210 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:12,214 INFO  L388             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 11 treesize of output 7
[2021-06-01 23:28:12,215 INFO  L550         ElimStorePlain]: Start of recursive call 3:  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:12,221 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:12,223 INFO  L550         ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars,  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:12,230 INFO  L247         ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:22
[2021-06-01 23:28:12,266 INFO  L388             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 15 treesize of output 7
[2021-06-01 23:28:12,268 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:12,274 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:12,277 INFO  L388             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 15 treesize of output 7
[2021-06-01 23:28:12,279 INFO  L550         ElimStorePlain]: Start of recursive call 3:  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:12,283 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:12,284 INFO  L550         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars,  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:12,284 INFO  L247         ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7
[2021-06-01 23:28:12,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:12,289 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755402376] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:12,289 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-01 23:28:12,289 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2021-06-01 23:28:12,289 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376328040]
[2021-06-01 23:28:12,290 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-06-01 23:28:12,290 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 23:28:12,291 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-06-01 23:28:12,291 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2021-06-01 23:28:12,291 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:12,291 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-01 23:28:12,292 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 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)
[2021-06-01 23:28:12,292 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:12,292 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:12,292 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:12,549 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:12,550 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:12,550 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-06-01 23:28:12,768 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2021-06-01 23:28:12,769 INFO  L430      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:12,769 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:12,770 INFO  L82        PathProgramCache]: Analyzing trace with hash 480959713, now seen corresponding path program 1 times
[2021-06-01 23:28:12,770 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:12,770 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093781175]
[2021-06-01 23:28:12,770 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:12,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:13,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:13,176 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 23:28:13,176 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093781175]
[2021-06-01 23:28:13,176 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093781175] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:13,176 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228496087]
[2021-06-01 23:28:13,176 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:13,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:13,230 INFO  L263         TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 20 conjunts are in the unsatisfiable core
[2021-06-01 23:28:13,232 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-01 23:28:13,270 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2021-06-01 23:28:13,271 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:13,279 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:13,282 INFO  L550         ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars,  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:13,282 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:33
[2021-06-01 23:28:13,397 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-06-01 23:28:13,398 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29
[2021-06-01 23:28:13,401 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:13,414 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:13,417 INFO  L550         ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2021-06-01 23:28:13,417 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:36
[2021-06-01 23:28:13,675 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-06-01 23:28:13,677 INFO  L354             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:13,677 INFO  L388             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 47 treesize of output 17
[2021-06-01 23:28:13,679 INFO  L550         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:13,685 INFO  L628         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2021-06-01 23:28:13,687 INFO  L550         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars,  End of recursive call:  and 1 xjuncts.
[2021-06-01 23:28:13,687 INFO  L247         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:11
[2021-06-01 23:28:13,724 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:13,724 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [228496087] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:13,725 INFO  L226   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-06-01 23:28:13,725 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19
[2021-06-01 23:28:13,725 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135213354]
[2021-06-01 23:28:13,725 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 19 states
[2021-06-01 23:28:13,725 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 23:28:13,726 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2021-06-01 23:28:13,726 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342
[2021-06-01 23:28:13,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:13,727 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-01 23:28:13,727 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 19 states have internal predecessors, (64), 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)
[2021-06-01 23:28:13,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:13,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:13,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-06-01 23:28:13,727 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:14,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:14,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:14,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2021-06-01 23:28:14,114 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-06-01 23:28:14,328 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:14,329 INFO  L430      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]===
[2021-06-01 23:28:14,329 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 23:28:14,329 INFO  L82        PathProgramCache]: Analyzing trace with hash 1633936758, now seen corresponding path program 1 times
[2021-06-01 23:28:14,329 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 23:28:14,330 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501508488]
[2021-06-01 23:28:14,330 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 23:28:14,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:14,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:14,386 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 23:28:14,386 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501508488]
[2021-06-01 23:28:14,386 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501508488] provided 0 perfect and 1 imperfect interpolant sequences
[2021-06-01 23:28:14,386 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295396225]
[2021-06-01 23:28:14,386 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:14,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 23:28:14,430 INFO  L263         TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-06-01 23:28:14,431 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-06-01 23:28:14,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 23:28:14,497 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295396225] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 23:28:14,497 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-06-01 23:28:14,497 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9
[2021-06-01 23:28:14,497 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753722133]
[2021-06-01 23:28:14,497 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 23:28:14,497 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 23:28:14,498 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 23:28:14,498 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2021-06-01 23:28:14,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:14,498 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-01 23:28:14,498 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 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)
[2021-06-01 23:28:14,498 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:14,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:14,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. 
[2021-06-01 23:28:14,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2021-06-01 23:28:14,499 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:14,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-01 23:28:14,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-01 23:28:14,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-06-01 23:28:14,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2021-06-01 23:28:14,631 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-06-01 23:28:14,853 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-06-01 23:28:14,856 INFO  L247   ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances
[2021-06-01 23:28:14,858 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 11:28:14 BasicIcfg
[2021-06-01 23:28:14,858 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-01 23:28:14,859 INFO  L168              Benchmark]: Toolchain (without parser) took 5651.39 ms. Allocated memory was 343.9 MB in the beginning and 453.0 MB in the end (delta: 109.1 MB). Free memory was 306.4 MB in the beginning and 274.0 MB in the end (delta: 32.4 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.0 GB.
[2021-06-01 23:28:14,859 INFO  L168              Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 324.6 MB in the beginning and 324.4 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 23:28:14,859 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 277.15 ms. Allocated memory is still 343.9 MB. Free memory was 306.0 MB in the beginning and 325.8 MB in the end (delta: -19.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB.
[2021-06-01 23:28:14,859 INFO  L168              Benchmark]: Boogie Procedure Inliner took 26.71 ms. Allocated memory is still 343.9 MB. Free memory was 325.8 MB in the beginning and 324.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 23:28:14,859 INFO  L168              Benchmark]: Boogie Preprocessor took 29.46 ms. Allocated memory is still 343.9 MB. Free memory was 324.8 MB in the beginning and 323.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-01 23:28:14,859 INFO  L168              Benchmark]: RCFGBuilder took 322.45 ms. Allocated memory is still 343.9 MB. Free memory was 323.7 MB in the beginning and 305.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB.
[2021-06-01 23:28:14,859 INFO  L168              Benchmark]: TraceAbstraction took 4984.60 ms. Allocated memory was 343.9 MB in the beginning and 453.0 MB in the end (delta: 109.1 MB). Free memory was 305.9 MB in the beginning and 274.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.0 GB.
[2021-06-01 23:28:14,860 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13 ms. Allocated memory is still 343.9 MB. Free memory was 324.6 MB in the beginning and 324.4 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
 * CACSL2BoogieTranslator took 277.15 ms. Allocated memory is still 343.9 MB. Free memory was 306.0 MB in the beginning and 325.8 MB in the end (delta: -19.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 26.71 ms. Allocated memory is still 343.9 MB. Free memory was 325.8 MB in the beginning and 324.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 29.46 ms. Allocated memory is still 343.9 MB. Free memory was 324.8 MB in the beginning and 323.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 322.45 ms. Allocated memory is still 343.9 MB. Free memory was 323.7 MB in the beginning and 305.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 4984.60 ms. Allocated memory was 343.9 MB in the beginning and 453.0 MB in the end (delta: 109.1 MB). Free memory was 305.9 MB in the beginning and 274.0 MB in the end (delta: 31.9 MB). Peak memory consumption was 142.0 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 50, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 32, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 14, unknown conditional: 0, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 18
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 530, positive: 462, positive conditional: 462, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 464, positive: 462, positive conditional: 462, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 464, positive: 460, positive conditional: 0, positive unconditional: 460, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 157, positive: 156, positive conditional: 0, positive unconditional: 156, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 157, positive: 156, positive conditional: 0, positive unconditional: 156, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 26, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 464, positive: 304, positive conditional: 0, positive unconditional: 304, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 157, unknown conditional: 0, unknown unconditional: 157] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 157, Positive conditional cache size: 1, Positive unconditional cache size: 156, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 26, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 157, Positive conditional cache size: 1, Positive unconditional cache size: 156, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 8, SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 26, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 157, Positive conditional cache size: 1, Positive unconditional cache size: 156, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 8, SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 26, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 157, Positive conditional cache size: 1, Positive unconditional cache size: 156, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 8, SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 26, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 157, Positive conditional cache size: 1, Positive unconditional cache size: 156, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 8, SemanticConditionEliminator.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 11, negative conditional: 3, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 26, negative conditional: 5, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 159, Positive cache size: 157, Positive conditional cache size: 1, Positive unconditional cache size: 156, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 8 ], Maximal queried relation: 4, Independence queries for same thread: 66
  - PositiveResult [Line: 33]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 3 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1000.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 85.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 27.3ms SsaConstructionTime, 82.4ms SatisfiabilityAnalysisTime, 299.3ms InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 2 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/3 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
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances
    CFG has 4 procedures, 46 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3803.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 898.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 50.8ms SsaConstructionTime, 165.3ms SatisfiabilityAnalysisTime, 1666.2ms InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 307 ConstructedInterpolants, 12 QuantifiedInterpolants, 2646 SizeOfPredicates, 30 NumberOfNonLiveVariables, 367 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 31/91 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
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...