/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i


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


This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-02 06:35:14,626 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-06-02 06:35:14,628 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-02 06:35:14,652 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-02 06:35:14,652 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-02 06:35:14,653 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-02 06:35:14,654 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-02 06:35:14,663 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-06-02 06:35:14,675 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-02 06:35:14,676 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-02 06:35:14,677 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-02 06:35:14,677 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-02 06:35:14,678 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-02 06:35:14,679 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-02 06:35:14,680 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-02 06:35:14,681 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-02 06:35:14,682 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-02 06:35:14,683 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-02 06:35:14,684 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-06-02 06:35:14,684 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-02 06:35:14,686 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-06-02 06:35:14,687 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-06-02 06:35:14,688 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-02 06:35:14,689 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-02 06:35:14,689 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-06-02 06:35:14,690 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-06-02 06:35:14,690 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-06-02 06:35:14,691 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-06-02 06:35:14,692 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-06-02 06:35:14,693 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-06-02 06:35:14,694 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-DelaySleepPersistent-NoLbe.epf
[2021-06-02 06:35:14,721 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-06-02 06:35:14,722 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-02 06:35:14,722 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-02 06:35:14,723 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-02 06:35:14,725 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-02 06:35:14,725 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-06-02 06:35:14,725 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-06-02 06:35:14,725 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-02 06:35:14,725 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-06-02 06:35:14,725 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-06-02 06:35:14,726 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-06-02 06:35:14,726 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-06-02 06:35:14,726 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-06-02 06:35:14,727 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-06-02 06:35:14,727 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-06-02 06:35:14,728 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-06-02 06:35:14,728 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-02 06:35:14,728 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-02 06:35:14,728 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-06-02 06:35:14,728 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-02 06:35:14,728 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-06-02 06:35:14,729 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-02 06:35:14,729 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-06-02 06:35:14,729 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-06-02 06:35:14,729 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-02 06:35:14,729 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET
[2021-06-02 06:35:14,729 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-02 06:35:15,008 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-02 06:35:15,024 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-02 06:35:15,027 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-02 06:35:15,028 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-06-02 06:35:15,028 INFO  L275        PluginConnector]: CDTParser initialized
[2021-06-02 06:35:15,029 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i
[2021-06-02 06:35:15,083 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf87b181/781036bf61044b0695153abe73a6ff2f/FLAGcc3f24731
[2021-06-02 06:35:15,625 INFO  L306              CDTParser]: Found 1 translation units.
[2021-06-02 06:35:15,626 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i
[2021-06-02 06:35:15,644 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf87b181/781036bf61044b0695153abe73a6ff2f/FLAGcc3f24731
[2021-06-02 06:35:16,059 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaf87b181/781036bf61044b0695153abe73a6ff2f
[2021-06-02 06:35:16,061 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-02 06:35:16,064 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-02 06:35:16,081 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-02 06:35:16,082 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-02 06:35:16,087 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-02 06:35:16,088 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,089 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b8a841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16, skipping insertion in model container
[2021-06-02 06:35:16,094 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,102 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-06-02 06:35:16,206 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-06-02 06:35:16,353 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i[950,963]
[2021-06-02 06:35:16,519 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-02 06:35:16,527 INFO  L203         MainTranslator]: Completed pre-run
[2021-06-02 06:35:16,537 WARN  L224   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.oepc.i[950,963]
[2021-06-02 06:35:16,580 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-06-02 06:35:16,646 INFO  L208         MainTranslator]: Completed translation
[2021-06-02 06:35:16,647 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16 WrapperNode
[2021-06-02 06:35:16,647 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-02 06:35:16,648 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-02 06:35:16,648 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-02 06:35:16,648 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-02 06:35:16,653 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,682 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,703 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-02 06:35:16,705 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-02 06:35:16,705 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-02 06:35:16,705 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-06-02 06:35:16,711 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,712 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,723 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,723 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,731 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,732 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,734 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (1/1) ...
[2021-06-02 06:35:16,743 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-02 06:35:16,744 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-02 06:35:16,744 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-06-02 06:35:16,744 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-06-02 06:35:16,744 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (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
[2021-06-02 06:35:16,818 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-06-02 06:35:16,819 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-02 06:35:16,819 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-02 06:35:16,820 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-02 06:35:16,820 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2021-06-02 06:35:16,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2021-06-02 06:35:16,821 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2021-06-02 06:35:16,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2021-06-02 06:35:16,821 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2021-06-02 06:35:16,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2021-06-02 06:35:16,821 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-02 06:35:16,821 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-02 06:35:16,821 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-02 06:35:16,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-02 06:35:16,823 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-02 06:35:17,226 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-02 06:35:17,226 INFO  L299             CfgBuilder]: Removed 8 assume(true) statements.
[2021-06-02 06:35:17,228 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:35:17 BoogieIcfgContainer
[2021-06-02 06:35:17,228 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-02 06:35:17,230 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-02 06:35:17,230 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-06-02 06:35:17,232 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-06-02 06:35:17,232 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:35:16" (1/3) ...
[2021-06-02 06:35:17,233 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d668c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:35:17, skipping insertion in model container
[2021-06-02 06:35:17,233 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:35:16" (2/3) ...
[2021-06-02 06:35:17,234 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d668c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:35:17, skipping insertion in model container
[2021-06-02 06:35:17,234 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:35:17" (3/3) ...
[2021-06-02 06:35:17,235 INFO  L111   eAbstractionObserver]: Analyzing ICFG safe020_tso.oepc.i
[2021-06-02 06:35:17,240 WARN  L148   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-02 06:35:17,240 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-02 06:35:17,240 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-02 06:35:17,241 INFO  L471   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-02 06:35:17,277 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,277 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,278 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,278 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,278 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,278 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,278 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,278 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,279 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,279 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,279 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,279 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,280 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,280 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,280 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,280 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,280 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,280 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,280 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,281 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,282 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,283 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,283 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,283 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,284 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,286 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,286 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,286 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,287 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,287 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,287 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,291 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,293 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,293 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,293 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,294 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,298 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,299 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,299 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,299 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,301 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,301 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,302 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,302 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-02 06:35:17,306 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-02 06:35:17,327 INFO  L255      AbstractCegarLoop]: Starting to check reachability of 4 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
[2021-06-02 06:35:17,403 INFO  L378      AbstractCegarLoop]: Interprodecural is true
[2021-06-02 06:35:17,403 INFO  L379      AbstractCegarLoop]: Hoare is false
[2021-06-02 06:35:17,403 INFO  L380      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-02 06:35:17,404 INFO  L381      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-02 06:35:17,404 INFO  L382      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-02 06:35:17,404 INFO  L383      AbstractCegarLoop]: Difference is false
[2021-06-02 06:35:17,404 INFO  L384      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-02 06:35:17,404 INFO  L388      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-02 06:35:17,644 INFO  L430      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:35:17,649 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:35:17,650 INFO  L82        PathProgramCache]: Analyzing trace with hash 1333187383, now seen corresponding path program 1 times
[2021-06-02 06:35:17,656 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:35:17,656 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123029866]
[2021-06-02 06:35:17,657 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:35:17,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:35:17,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:35:17,965 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:35:17,966 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123029866]
[2021-06-02 06:35:17,966 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123029866] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:35:17,966 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:35:17,967 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-02 06:35:17,967 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537510843]
[2021-06-02 06:35:17,971 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-02 06:35:17,971 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:35:17,981 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-02 06:35:17,982 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-02 06:35:17,982 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:17,984 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:35:17,985 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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)
[2021-06-02 06:35:17,986 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:18,212 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,213 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-02 06:35:18,213 INFO  L430      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:35:18,214 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:35:18,214 INFO  L82        PathProgramCache]: Analyzing trace with hash -437139272, now seen corresponding path program 1 times
[2021-06-02 06:35:18,214 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:35:18,214 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804112526]
[2021-06-02 06:35:18,214 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:35:18,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:35:18,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:35:18,334 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:35:18,334 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804112526]
[2021-06-02 06:35:18,334 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804112526] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:35:18,334 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:35:18,335 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-02 06:35:18,335 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737074419]
[2021-06-02 06:35:18,336 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-02 06:35:18,336 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:35:18,337 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-02 06:35:18,337 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-02 06:35:18,337 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:18,337 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:35:18,338 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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)
[2021-06-02 06:35:18,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,338 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:18,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,520 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-02 06:35:18,520 INFO  L430      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:35:18,527 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:35:18,547 INFO  L82        PathProgramCache]: Analyzing trace with hash 399660202, now seen corresponding path program 1 times
[2021-06-02 06:35:18,548 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:35:18,548 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626687951]
[2021-06-02 06:35:18,549 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:35:18,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:35:18,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:35:18,710 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:35:18,711 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626687951]
[2021-06-02 06:35:18,711 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626687951] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:35:18,711 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:35:18,711 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-02 06:35:18,711 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698243781]
[2021-06-02 06:35:18,712 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-02 06:35:18,712 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:35:18,714 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-02 06:35:18,714 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-02 06:35:18,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:18,715 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:35:18,715 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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)
[2021-06-02 06:35:18,715 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,715 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,716 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:18,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,851 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:18,852 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-02 06:35:18,852 INFO  L430      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:35:18,852 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:35:18,852 INFO  L82        PathProgramCache]: Analyzing trace with hash 240190577, now seen corresponding path program 1 times
[2021-06-02 06:35:18,852 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:35:18,853 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230351105]
[2021-06-02 06:35:18,853 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:35:18,878 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:35:18,994 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:35:18,994 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:35:18,994 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230351105]
[2021-06-02 06:35:18,995 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230351105] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:35:18,995 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:35:18,995 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-02 06:35:18,996 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329811862]
[2021-06-02 06:35:18,996 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-02 06:35:18,996 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:35:18,998 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-02 06:35:18,998 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-06-02 06:35:18,998 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:18,999 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:35:18,999 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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)
[2021-06-02 06:35:18,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:18,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:18,999 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:19,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:19,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:35:19,143 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-02 06:35:19,143 INFO  L430      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:35:19,145 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:35:19,145 INFO  L82        PathProgramCache]: Analyzing trace with hash 1376263886, now seen corresponding path program 1 times
[2021-06-02 06:35:19,145 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:35:19,145 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488414793]
[2021-06-02 06:35:19,145 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:35:19,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:35:19,274 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:35:19,274 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:35:19,274 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488414793]
[2021-06-02 06:35:19,274 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488414793] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:35:19,275 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:35:19,275 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-02 06:35:19,275 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507433991]
[2021-06-02 06:35:19,276 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-02 06:35:19,276 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:35:19,276 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-02 06:35:19,277 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-02 06:35:19,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:19,277 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:35:19,277 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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)
[2021-06-02 06:35:19,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:19,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:35:19,277 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:19,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:19,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:35:19,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-02 06:35:19,521 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-02 06:35:19,521 INFO  L430      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:35:19,522 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:35:19,522 INFO  L82        PathProgramCache]: Analyzing trace with hash 1194053924, now seen corresponding path program 2 times
[2021-06-02 06:35:19,522 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:35:19,522 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862172671]
[2021-06-02 06:35:19,522 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:35:19,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:35:19,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:35:19,605 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:35:19,605 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862172671]
[2021-06-02 06:35:19,606 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862172671] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:35:19,606 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:35:19,606 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-02 06:35:19,606 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894004309]
[2021-06-02 06:35:19,606 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-02 06:35:19,606 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:35:19,607 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-02 06:35:19,607 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-02 06:35:19,607 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:19,607 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:35:19,608 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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)
[2021-06-02 06:35:19,608 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:19,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:35:19,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-02 06:35:19,612 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:19,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:19,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:19,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:35:19,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-02 06:35:19,931 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:19,931 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-02 06:35:19,931 INFO  L430      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-02 06:35:19,932 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-06-02 06:35:19,932 INFO  L82        PathProgramCache]: Analyzing trace with hash 1116358756, now seen corresponding path program 3 times
[2021-06-02 06:35:19,932 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-02 06:35:19,932 INFO  L361   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360588753]
[2021-06-02 06:35:19,932 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-02 06:35:19,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-02 06:35:20,068 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-02 06:35:20,068 INFO  L179   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-02 06:35:20,069 INFO  L361   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360588753]
[2021-06-02 06:35:20,069 INFO  L200   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360588753] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-02 06:35:20,069 INFO  L226   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-02 06:35:20,069 INFO  L239   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-02 06:35:20,069 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364360210]
[2021-06-02 06:35:20,070 INFO  L462      AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-02 06:35:20,070 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-02 06:35:20,071 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-02 06:35:20,072 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-06-02 06:35:20,072 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:20,072 INFO  L482      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-06-02 06:35:20,073 INFO  L483      AbstractCegarLoop]: Interpolant automaton has  has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 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)
[2021-06-02 06:35:20,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:20,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:20,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:20,073 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:35:20,074 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-06-02 06:35:20,074 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:20,074 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-06-02 06:35:20,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:20,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-06-02 06:35:20,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:20,358 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2021-06-02 06:35:20,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-06-02 06:35:20,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-06-02 06:35:20,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2021-06-02 06:35:20,359 WARN  L519      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-02 06:35:20,376 INFO  L247   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-02 06:35:20,379 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:35:20 BasicIcfg
[2021-06-02 06:35:20,379 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-02 06:35:20,382 INFO  L168              Benchmark]: Toolchain (without parser) took 4315.85 ms. Allocated memory was 333.4 MB in the beginning and 408.9 MB in the end (delta: 75.5 MB). Free memory was 296.6 MB in the beginning and 172.4 MB in the end (delta: 124.2 MB). Peak memory consumption was 201.3 MB. Max. memory is 16.0 GB.
[2021-06-02 06:35:20,382 INFO  L168              Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 333.4 MB. Free memory is still 314.6 MB. There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-02 06:35:20,384 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 566.05 ms. Allocated memory is still 333.4 MB. Free memory was 296.5 MB in the beginning and 295.7 MB in the end (delta: 825.2 kB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB.
[2021-06-02 06:35:20,385 INFO  L168              Benchmark]: Boogie Procedure Inliner took 55.74 ms. Allocated memory is still 333.4 MB. Free memory was 295.7 MB in the beginning and 294.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-02 06:35:20,385 INFO  L168              Benchmark]: Boogie Preprocessor took 38.45 ms. Allocated memory is still 333.4 MB. Free memory was 293.6 MB in the beginning and 292.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-02 06:35:20,386 INFO  L168              Benchmark]: RCFGBuilder took 484.98 ms. Allocated memory is still 333.4 MB. Free memory was 292.5 MB in the beginning and 268.4 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB.
[2021-06-02 06:35:20,386 INFO  L168              Benchmark]: TraceAbstraction took 3149.36 ms. Allocated memory was 333.4 MB in the beginning and 408.9 MB in the end (delta: 75.5 MB). Free memory was 268.4 MB in the beginning and 172.4 MB in the end (delta: 96.0 MB). Peak memory consumption was 172.6 MB. Max. memory is 16.0 GB.
[2021-06-02 06:35:20,389 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12 ms. Allocated memory is still 333.4 MB. Free memory is still 314.6 MB. There was no memory consumed. Max. memory is 16.0 GB.
 * CACSL2BoogieTranslator took 566.05 ms. Allocated memory is still 333.4 MB. Free memory was 296.5 MB in the beginning and 295.7 MB in the end (delta: 825.2 kB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB.
 * Boogie Procedure Inliner took 55.74 ms. Allocated memory is still 333.4 MB. Free memory was 295.7 MB in the beginning and 294.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
 * Boogie Preprocessor took 38.45 ms. Allocated memory is still 333.4 MB. Free memory was 293.6 MB in the beginning and 292.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
 * RCFGBuilder took 484.98 ms. Allocated memory is still 333.4 MB. Free memory was 292.5 MB in the beginning and 268.4 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB.
 * TraceAbstraction took 3149.36 ms. Allocated memory was 333.4 MB in the beginning and 408.9 MB in the end (delta: 75.5 MB). Free memory was 268.4 MB in the beginning and 172.4 MB in the end (delta: 96.0 MB). Peak memory consumption was 172.6 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: 4536, positive: 4415, positive conditional: 4415, positive unconditional: 0, negative: 121, negative conditional: 121, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4498, positive: 4415, positive conditional: 4415, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13578, positive: 13296, positive conditional: 0, positive unconditional: 13296, negative: 282, negative conditional: 0, negative unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2497, positive: 2464, positive conditional: 0, positive unconditional: 2464, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2497, positive: 2442, positive conditional: 0, positive unconditional: 2442, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 13578, positive: 10832, positive conditional: 0, positive unconditional: 10832, negative: 249, negative conditional: 0, negative unconditional: 249, unknown: 2497, unknown conditional: 0, unknown unconditional: 2497] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, SemanticConditionEliminator.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 812, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 662, negative conditional: 19, negative unconditional: 643, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, Eliminated conditions: 643, SemanticConditionEliminator.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 812, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 662, negative conditional: 19, negative unconditional: 643, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, Eliminated conditions: 643, SemanticConditionEliminator.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 812, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 662, negative conditional: 19, negative unconditional: 643, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, Eliminated conditions: 643, SemanticConditionEliminator.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 812, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 662, negative conditional: 19, negative unconditional: 643, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, Eliminated conditions: 643, SemanticConditionEliminator.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 812, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 662, negative conditional: 19, negative unconditional: 643, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, Eliminated conditions: 643, SemanticConditionEliminator.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 812, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 662, negative conditional: 19, negative unconditional: 643, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, Eliminated conditions: 643, SemanticConditionEliminator.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 812, positive: 144, positive conditional: 144, positive unconditional: 0, negative: 668, negative conditional: 25, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 812, positive: 136, positive conditional: 136, positive unconditional: 0, negative: 662, negative conditional: 19, negative unconditional: 643, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33, Eliminated conditions: 643 ], Maximal queried relation: 7, Independence queries for same thread: 38
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 646, Number of persistent set computation: 1305, Number of trivial persistent sets: 1039, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 13578, positive: 13296, positive conditional: 0, positive unconditional: 13296, negative: 282, negative conditional: 0, negative unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2497, positive: 2464, positive conditional: 0, positive unconditional: 2464, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2497, positive: 2442, positive conditional: 0, positive unconditional: 2442, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 39, negative conditional: 6, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 156, positive: 82, positive conditional: 13, positive unconditional: 68, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 13578, positive: 10832, positive conditional: 0, positive unconditional: 10832, negative: 249, negative conditional: 0, negative unconditional: 249, unknown: 2497, unknown conditional: 0, unknown unconditional: 2497] , Statistics on independence cache: Total cache size (in pairs): 2511, Positive cache size: 2472, Positive conditional cache size: 8, Positive unconditional cache size: 2464, Negative cache size: 39, Negative conditional cache size: 6, Negative unconditional cache size: 33
  - PositiveResult [Line: 18]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3023.5ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.0ms, PartialOrderReductionTime: 1761.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 57, 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: 25.1ms SsaConstructionTime, 172.8ms SatisfiabilityAnalysisTime, 787.6ms InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 1236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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...