/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i


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


This is Ultimate 0.2.0-6f57305
[2021-01-27 03:07:31,569 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-01-27 03:07:31,573 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-01-27 03:07:31,647 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-01-27 03:07:31,648 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-01-27 03:07:31,652 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-01-27 03:07:31,655 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-01-27 03:07:31,664 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-01-27 03:07:31,677 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-01-27 03:07:31,680 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-01-27 03:07:31,683 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-01-27 03:07:31,687 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-01-27 03:07:31,689 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-01-27 03:07:31,693 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-01-27 03:07:31,701 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-01-27 03:07:31,711 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-01-27 03:07:31,714 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-01-27 03:07:31,719 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-01-27 03:07:31,721 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-01-27 03:07:31,724 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-01-27 03:07:31,735 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-01-27 03:07:31,736 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-01-27 03:07:31,742 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-01-27 03:07:31,744 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-01-27 03:07:31,745 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-01-27 03:07:31,747 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-01-27 03:07:31,749 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-01-27 03:07:31,751 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-01-27 03:07:31,752 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-Sleep-NoLbe-New_States.epf
[2021-01-27 03:07:31,820 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-01-27 03:07:31,820 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-01-27 03:07:31,822 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-01-27 03:07:31,823 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-01-27 03:07:31,823 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-01-27 03:07:31,828 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-01-27 03:07:31,829 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-01-27 03:07:31,829 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-01-27 03:07:31,829 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-01-27 03:07:31,829 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-01-27 03:07:31,829 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-01-27 03:07:31,830 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-01-27 03:07:31,830 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-01-27 03:07:31,830 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-01-27 03:07:31,830 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-01-27 03:07:31,830 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-01-27 03:07:31,831 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-01-27 03:07:31,831 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-01-27 03:07:31,831 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-01-27 03:07:31,831 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-01-27 03:07:31,832 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-01-27 03:07:31,832 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-01-27 03:07:31,832 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-01-27 03:07:31,832 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-01-27 03:07:31,833 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-01-27 03:07:31,833 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-01-27 03:07:31,833 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-01-27 03:07:31,833 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-01-27 03:07:31,834 INFO  L138        SettingsManager]:  * Lazy Petri-NFA conversion=true
[2021-01-27 03:07:31,834 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=SLEEP_SET_FA
[2021-01-27 03:07:31,834 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-01-27 03:07:31,834 INFO  L138        SettingsManager]:  * Minimization of abstraction=NONE
[2021-01-27 03:07:31,835 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-01-27 03:07:31,835 INFO  L138        SettingsManager]:  * Sleep set reduction in concurrent analysis=NEW_STATES
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-01-27 03:07:32,306 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-01-27 03:07:32,363 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-01-27 03:07:32,367 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-01-27 03:07:32,369 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-01-27 03:07:32,371 INFO  L275        PluginConnector]: CDTParser initialized
[2021-01-27 03:07:32,373 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i
[2021-01-27 03:07:32,505 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe4be900/9dfa8d3cf5e240ad932f1c871fed4045/FLAGe8eb4fa2f
[2021-01-27 03:07:33,393 INFO  L306              CDTParser]: Found 1 translation units.
[2021-01-27 03:07:33,396 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-2.i
[2021-01-27 03:07:33,434 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe4be900/9dfa8d3cf5e240ad932f1c871fed4045/FLAGe8eb4fa2f
[2021-01-27 03:07:33,628 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fe4be900/9dfa8d3cf5e240ad932f1c871fed4045
[2021-01-27 03:07:33,636 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-01-27 03:07:33,652 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-01-27 03:07:33,660 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-01-27 03:07:33,661 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-01-27 03:07:33,669 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-01-27 03:07:33,671 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:07:33" (1/1) ...
[2021-01-27 03:07:33,680 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cc6526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:33, skipping insertion in model container
[2021-01-27 03:07:33,680 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 03:07:33" (1/1) ...
[2021-01-27 03:07:33,695 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-01-27 03:07:33,785 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-01-27 03:07:34,623 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-01-27 03:07:34,649 INFO  L203         MainTranslator]: Completed pre-run
[2021-01-27 03:07:34,752 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-01-27 03:07:34,904 INFO  L208         MainTranslator]: Completed translation
[2021-01-27 03:07:34,905 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34 WrapperNode
[2021-01-27 03:07:34,905 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-01-27 03:07:34,907 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-01-27 03:07:34,908 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-01-27 03:07:34,908 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-01-27 03:07:34,920 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:34,940 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:34,975 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-01-27 03:07:34,976 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-01-27 03:07:34,977 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-01-27 03:07:34,977 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-01-27 03:07:34,995 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:34,996 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:34,999 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:35,000 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:35,010 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:35,021 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:35,024 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (1/1) ...
[2021-01-27 03:07:35,029 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-01-27 03:07:35,030 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-01-27 03:07:35,031 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-01-27 03:07:35,031 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-01-27 03:07:35,032 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (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
[2021-01-27 03:07:35,148 INFO  L130     BoogieDeclarations]: Found specification of procedure thr2
[2021-01-27 03:07:35,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr2
[2021-01-27 03:07:35,149 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2021-01-27 03:07:35,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2021-01-27 03:07:35,149 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-01-27 03:07:35,149 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-01-27 03:07:35,149 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-01-27 03:07:35,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-01-27 03:07:35,150 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-01-27 03:07:35,150 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-01-27 03:07:35,152 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-01-27 03:07:35,713 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-01-27 03:07:35,713 INFO  L298             CfgBuilder]: Removed 11 assume(true) statements.
[2021-01-27 03:07:35,716 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:07:35 BoogieIcfgContainer
[2021-01-27 03:07:35,716 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-01-27 03:07:35,718 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-01-27 03:07:35,718 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-01-27 03:07:35,722 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-01-27 03:07:35,722 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 03:07:33" (1/3) ...
[2021-01-27 03:07:35,723 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1bf7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:07:35, skipping insertion in model container
[2021-01-27 03:07:35,723 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 03:07:34" (2/3) ...
[2021-01-27 03:07:35,724 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1bf7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 03:07:35, skipping insertion in model container
[2021-01-27 03:07:35,724 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 03:07:35" (3/3) ...
[2021-01-27 03:07:35,726 INFO  L111   eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-2.i
[2021-01-27 03:07:35,754 WARN  L168   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-01-27 03:07:35,755 INFO  L179   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-01-27 03:07:35,761 INFO  L191   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-01-27 03:07:35,762 INFO  L351   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-01-27 03:07:35,807 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,807 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,808 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,808 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,808 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,809 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,809 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,809 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,810 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,810 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,810 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,810 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,811 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,811 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,812 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,812 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,812 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,812 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,813 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,813 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,813 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,813 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,814 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,814 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,815 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,815 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,815 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,816 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,816 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,816 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,816 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,817 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,817 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,817 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,818 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,818 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,818 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,818 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,819 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,819 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,819 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,820 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,823 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,824 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,824 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,825 WARN  L313   ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,825 WARN  L313   ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,838 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,838 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,838 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,839 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,839 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,839 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,840 WARN  L313   ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,840 WARN  L313   ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-01-27 03:07:35,846 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-01-27 03:07:35,861 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-01-27 03:07:35,904 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-01-27 03:07:35,905 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-01-27 03:07:35,905 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-01-27 03:07:35,905 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-01-27 03:07:35,905 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-01-27 03:07:35,906 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-01-27 03:07:35,906 INFO  L383      AbstractCegarLoop]: Minimize is NONE
[2021-01-27 03:07:35,906 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
Size of Word is: 53 and size of Sequence is : 54[2021-01-27 03:07:35,975 INFO  L164          SleepSetCegar]: Size of mCounterexample is: 54
[2021-01-27 03:07:35,976 INFO  L165          SleepSetCegar]: [74#[ULTIMATE.startENTRY]don't care, 77#[L-1]don't care, 80#[L-1-1]don't care, 83#[L683]don't care, 86#[L683-1]don't care, 89#[L683-2]don't care, 92#[L683-3]don't care, 95#[L683-4]don't care, 98#[L691]don't care, 101#[L-1-2]don't care, 104#[L-1-3]don't care, 107#[L-1-4]don't care, 110#[L700]don't care, 113#[L700-1]don't care, 116#[L701]don't care, 119#[L701-1]don't care, 122#[L701-2]don't care, 125#[L703]don't care, 128#[L704]don't care, 131#[L704-1]don't care, 134#[L705]don't care, 137#[L705-1]don't care, 140#[L686]don't care, 143#[L687]don't care, 146#[L687-1]don't care, 148#[L686-1]don't care, 153#[L706]don't care, 156#[L706-1, thr1ENTRY]don't care, 161#[L706-1, L693]don't care, 167#[L693-1, L706-1]don't care, 173#[L706-1, L689]don't care, 179#[L706-1, L689-1]don't care, 185#[L706-1, L689-2]don't care, 194#[L683, L706-1]don't care, 200#[L706-1, L683-4]don't care, 187#[L689-4, L706-1]don't care, 213#[L706-1, thr1EXIT]don't care, 217#[L707, thr1EXIT]don't care, 220#[L707-6, thr1EXIT]don't care, 225#[thr1EXIT, L708]don't care, 258#[L708-1, thr1EXIT]don't care, 261#[L708-2, thr2ENTRY, thr1EXIT]don't care, 266#[L707-3, thr2ENTRY, thr1EXIT]don't care, 270#[L696, L707-3, thr1EXIT]don't care, 276#[L697, L707-3, thr1EXIT]don't care, 282#[L707-3, L698, thr1EXIT]don't care, 288#[L707-3, thr2FINAL, thr1EXIT]don't care, 296#[L707-3, thr2EXIT, thr1EXIT]don't care, 300#[L707-4, thr2EXIT, thr1EXIT]don't care, 303#[thr2EXIT, L707-5, thr1EXIT]don't care, 306#[thr2EXIT, L707-6, thr1EXIT]don't care, 311#[thr2EXIT, thr1EXIT, L708]don't care, 336#[L708-1, thr2EXIT, thr1EXIT]don't care, 339#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, thr1EXIT]don't care]
[2021-01-27 03:07:35,978 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]===
[2021-01-27 03:07:35,993 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-01-27 03:07:35,994 INFO  L82        PathProgramCache]: Analyzing trace with hash -786811397, now seen corresponding path program 1 times
[2021-01-27 03:07:36,007 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-01-27 03:07:36,007 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163415034]
[2021-01-27 03:07:36,008 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-01-27 03:07:36,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-01-27 03:07:36,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-01-27 03:07:36,471 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163415034]
[2021-01-27 03:07:36,472 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-01-27 03:07:36,473 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-01-27 03:07:36,475 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009992844]
[2021-01-27 03:07:36,493 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 2 states
[2021-01-27 03:07:36,493 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-01-27 03:07:36,520 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-01-27 03:07:36,523 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-01-27 03:07:36,525 INFO  L481      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-01-27 03:07:36,529 INFO  L482      AbstractCegarLoop]: Interpolant automaton has  has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 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)
Size of Word is: 34 and size of Sequence is : 35[2021-01-27 03:07:36,544 INFO  L164          SleepSetCegar]: Size of mCounterexample is: 35
[2021-01-27 03:07:36,546 INFO  L165          SleepSetCegar]: [343#[ULTIMATE.startENTRY]true, 345#[L-1]true, 347#[L-1-1]true, 349#[L683]true, 351#[L683-1]true, 353#[L683-2]true, 355#[L683-3]true, 357#[L683-4]true, 359#[L691]true, 361#[L-1-2]true, 363#[L-1-3]true, 365#[L-1-4]true, 367#[L700]true, 369#[L700-1]true, 371#[L701]true, 373#[L701-1]true, 375#[L701-2]true, 377#[L703]true, 379#[L704]true, 381#[L704-1]true, 383#[L705]true, 385#[L705-1]true, 387#[L686]true, 389#[L687]true, 392#[L686-1]true, 397#[L706]true, 399#[L706-1, thr1ENTRY]true, 402#[L706-1, L693]true, 406#[L693-1, L706-1]true, 410#[L706-1, L689]true, 414#[L706-1, L689-1]true, 418#[L706-1, L689-2]true, 424#[L683, L706-1]true, 429#[L706-1, L683-2]true, 441#[thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, L706-1]true]
[2021-01-27 03:07:36,547 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-01-27 03:07:36,547 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]===
[2021-01-27 03:07:36,548 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-01-27 03:07:36,549 INFO  L82        PathProgramCache]: Analyzing trace with hash 1312429080, now seen corresponding path program 1 times
[2021-01-27 03:07:36,549 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-01-27 03:07:36,550 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449777427]
[2021-01-27 03:07:36,550 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-01-27 03:07:36,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-01-27 03:07:36,932 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-01-27 03:07:36,932 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449777427]
[2021-01-27 03:07:36,933 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-01-27 03:07:36,934 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-01-27 03:07:36,934 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139897667]
[2021-01-27 03:07:36,936 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-01-27 03:07:36,937 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-01-27 03:07:36,938 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-01-27 03:07:36,939 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-01-27 03:07:36,940 INFO  L481      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-01-27 03:07:36,940 INFO  L482      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 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)
Size of Word is: 49 and size of Sequence is : 50[2021-01-27 03:07:37,307 INFO  L164          SleepSetCegar]: Size of mCounterexample is: 50
[2021-01-27 03:07:37,309 INFO  L165          SleepSetCegar]: [452#[ULTIMATE.startENTRY]true, 455#[L-1]true, 458#[L-1-1]true, 461#[L683]true, 464#[L683-1]true, 467#[L683-2]true, 470#[L683-3]true, 473#[L683-4]true, 476#[L691](= ~x~0 0), 479#[L-1-2](= ~x~0 0), 482#[L-1-3](= ~x~0 0), 485#[L-1-4](= ~x~0 0), 488#[L700](= ~x~0 0), 491#[L700-1](= ~x~0 0), 494#[L701](= ~x~0 0), 497#[L701-1](= ~x~0 0), 500#[L701-2](= ~x~0 0), 503#[L703](= ~x~0 0), 506#[L704](= ~x~0 0), 509#[L704-1](= ~x~0 0), 512#[L705](= ~x~0 0), 517#[L705-1](and (= ~x~0 0) (or (<= 20 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))), 520#[L686](and (= ~x~0 0) (or (<= 20 ~n~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0))), 525#[L687](let ((.cse0 (= ~x~0 0))) (let ((.cse1 (and .cse0 (<= 20 ~n~0)))) (and .cse0 (or (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) .cse1) (or (= ULTIMATE.start_assume_abort_if_not_~cond 0) .cse1)))), 530#[L686-1](and (= ~x~0 0) (<= 20 ~n~0)), 537#[L706](and (= ~x~0 0) (<= 20 ~n~0)), 540#[L706-1, thr1ENTRY](and (= ~x~0 0) (<= 20 ~n~0)), 545#[L706-1, L693](and (= ~x~0 0) (<= 20 ~n~0)), 553#[L693-1, L706-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 559#[L706-1, L689](and (= ~x~0 0) (<= 20 ~n~0) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 567#[L706-1, L689-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 575#[L689-4, L706-1](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 584#[L706-1, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 589#[L707, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 593#[L707-6, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 603#[thr1EXIT, L708](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 637#[L708-1, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 641#[L708-2, thr2ENTRY, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 648#[L707-3, thr2ENTRY, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 654#[L696, L707-3, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 662#[L697, L707-3, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 670#[L707-3, L698, thr1EXIT](and (= ~x~0 0) (<= 20 ~n~0) (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 680#[L707-3, thr2FINAL, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 690#[L707-3, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 695#[L707-4, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 699#[thr2EXIT, L707-5, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 703#[thr2EXIT, L707-6, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 713#[thr2EXIT, thr1EXIT, L708](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 746#[L708-1, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0))), 750#[ULTIMATE.startErr1INUSE_VIOLATION, thr2EXIT, thr1EXIT](and (not (= thr1Thread1of1ForFork1___VERIFIER_assert_~cond 0)) (not (= |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| 0)))]
[2021-01-27 03:07:37,310 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-01-27 03:07:37,310 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]===
[2021-01-27 03:07:37,311 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-01-27 03:07:37,311 INFO  L82        PathProgramCache]: Analyzing trace with hash -560463023, now seen corresponding path program 1 times
[2021-01-27 03:07:37,312 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-01-27 03:07:37,312 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217365715]
[2021-01-27 03:07:37,312 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-01-27 03:07:37,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-01-27 03:07:37,377 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-01-27 03:07:37,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-01-27 03:07:37,449 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-01-27 03:07:37,519 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-01-27 03:07:37,521 INFO  L605         BasicCegarLoop]: Counterexample might be feasible
[2021-01-27 03:07:37,521 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-01-27 03:07:37,522 WARN  L386   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2021-01-27 03:07:37,523 INFO  L351   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2021-01-27 03:07:37,542 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7386c73d
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadAuxiliaryVariable(ThreadInstanceAdder.java:479)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInUseVariable(ThreadInstanceAdder.java:458)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstance(ThreadInstanceAdder.java:438)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:410)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.<init>(IcfgPetrifier.java:110)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:197)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:149)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2021-01-27 03:07:37,548 INFO  L168              Benchmark]: Toolchain (without parser) took 3907.40 ms. Allocated memory is still 302.0 MB. Free memory was 276.1 MB in the beginning and 176.9 MB in the end (delta: 99.2 MB). Peak memory consumption was 101.1 MB. Max. memory is 16.0 GB.
[2021-01-27 03:07:37,549 INFO  L168              Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-01-27 03:07:37,551 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1245.70 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 278.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.0 GB.
[2021-01-27 03:07:37,552 INFO  L168              Benchmark]: Boogie Procedure Inliner took 68.45 ms. Allocated memory is still 302.0 MB. Free memory was 277.6 MB in the beginning and 276.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-01-27 03:07:37,553 INFO  L168              Benchmark]: Boogie Preprocessor took 52.65 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 274.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-01-27 03:07:37,554 INFO  L168              Benchmark]: RCFGBuilder took 685.97 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 252.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
[2021-01-27 03:07:37,555 INFO  L168              Benchmark]: TraceAbstraction took 1826.85 ms. Allocated memory is still 302.0 MB. Free memory was 252.4 MB in the beginning and 176.9 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.0 GB.
[2021-01-27 03:07:37,561 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.55 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
 * CACSL2BoogieTranslator took 1245.70 ms. Allocated memory is still 302.0 MB. Free memory was 275.1 MB in the beginning and 278.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 68.45 ms. Allocated memory is still 302.0 MB. Free memory was 277.6 MB in the beginning and 276.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 52.65 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 274.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
 * RCFGBuilder took 685.97 ms. Allocated memory is still 302.0 MB. Free memory was 274.5 MB in the beginning and 252.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 1826.85 ms. Allocated memory is still 302.0 MB. Free memory was 252.4 MB in the beginning and 176.9 MB in the end (delta: 75.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7386c73d
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@7386c73d: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...