/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a
[2022-02-19 13:35:17,548 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-19 13:35:17,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-19 13:35:17,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-19 13:35:17,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-19 13:35:17,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-19 13:35:17,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-19 13:35:17,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-19 13:35:17,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-19 13:35:17,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-19 13:35:17,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-19 13:35:17,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-19 13:35:17,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-19 13:35:17,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-19 13:35:17,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-19 13:35:17,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-19 13:35:17,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-19 13:35:17,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-19 13:35:17,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-19 13:35:17,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-19 13:35:17,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-19 13:35:17,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-19 13:35:17,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-19 13:35:17,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-19 13:35:17,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2022-02-19 13:35:17,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-19 13:35:17,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2022-02-19 13:35:17,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-19 13:35:17,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-19 13:35:17,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-19 13:35:17,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-19 13:35:17,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-19 13:35:17,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-19 13:35:17,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2022-02-19 13:35:17,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-19 13:35:17,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-19 13:35:17,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-19 13:35:17,617 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf
[2022-02-19 13:35:17,642 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-19 13:35:17,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-19 13:35:17,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-19 13:35:17,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-19 13:35:17,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-19 13:35:17,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-19 13:35:17,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-19 13:35:17,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-19 13:35:17,645 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-19 13:35:17,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-19 13:35:17,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-19 13:35:17,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 13:35:17,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * Construct finite automaton lazily=true
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-19 13:35:17,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-19 13:35:17,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-19 13:35:17,648 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-19 13:35:17,648 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-19 13:35:17,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-19 13:35:17,648 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-19 13:35:17,648 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false
[2022-02-19 13:35:17,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-19 13:35:17,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-19 13:35:17,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-19 13:35:17,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-19 13:35:17,874 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-19 13:35:17,887 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-19 13:35:17,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i
[2022-02-19 13:35:17,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8533c1c4a/6990e985c702488fbd9dbe81cb1ea859/FLAG274c226b0
[2022-02-19 13:35:18,366 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-19 13:35:18,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i
[2022-02-19 13:35:18,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8533c1c4a/6990e985c702488fbd9dbe81cb1ea859/FLAG274c226b0
[2022-02-19 13:35:18,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8533c1c4a/6990e985c702488fbd9dbe81cb1ea859
[2022-02-19 13:35:18,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-19 13:35:18,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-19 13:35:18,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-19 13:35:18,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-19 13:35:18,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-19 13:35:18,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b48677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18, skipping insertion in model container
[2022-02-19 13:35:18,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-19 13:35:18,443 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-19 13:35:18,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107]
[2022-02-19 13:35:18,672 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 13:35:18,680 INFO L203 MainTranslator]: Completed pre-run
[2022-02-19 13:35:18,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107]
[2022-02-19 13:35:18,703 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-19 13:35:18,723 INFO L208 MainTranslator]: Completed translation
[2022-02-19 13:35:18,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18 WrapperNode
[2022-02-19 13:35:18,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-19 13:35:18,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-19 13:35:18,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-19 13:35:18,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-19 13:35:18,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,747 INFO L137 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46
[2022-02-19 13:35:18,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-19 13:35:18,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-19 13:35:18,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-19 13:35:18,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-19 13:35:18,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-19 13:35:18,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-19 13:35:18,773 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-19 13:35:18,773 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-19 13:35:18,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (1/1) ...
[2022-02-19 13:35:18,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-19 13:35:18,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 13:35:18,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-19 13:35:18,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-19 13:35:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-19 13:35:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-19 13:35:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-19 13:35:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-19 13:35:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-19 13:35:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-19 13:35:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-19 13:35:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-19 13:35:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-19 13:35:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-19 13:35:18,834 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-19 13:35:18,936 INFO L234 CfgBuilder]: Building ICFG
[2022-02-19 13:35:18,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-19 13:35:19,088 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-19 13:35:19,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-19 13:35:19,095 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-19 13:35:19,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:35:19 BoogieIcfgContainer
[2022-02-19 13:35:19,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-19 13:35:19,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-19 13:35:19,097 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-19 13:35:19,100 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-19 13:35:19,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 01:35:18" (1/3) ...
[2022-02-19 13:35:19,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bcbc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:35:19, skipping insertion in model container
[2022-02-19 13:35:19,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 01:35:18" (2/3) ...
[2022-02-19 13:35:19,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bcbc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 01:35:19, skipping insertion in model container
[2022-02-19 13:35:19,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 01:35:19" (3/3) ...
[2022-02-19 13:35:19,102 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i
[2022-02-19 13:35:19,105 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-19 13:35:19,105 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-19 13:35:19,105 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-02-19 13:35:19,105 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-19 13:35:19,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,121 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,122 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,122 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,123 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,124 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,126 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,126 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,126 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-19 13:35:19,127 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-19 13:35:19,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-19 13:35:19,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-19 13:35:19,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-19 13:35:19,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-19 13:35:19,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-19 13:35:19,215 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true
[2022-02-19 13:35:19,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2022-02-19 13:35:19,248 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48 transitions and produced 49 states.
[2022-02-19 13:35:19,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-19 13:35:19,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:35:19,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1714392896, now seen corresponding path program 1 times
[2022-02-19 13:35:19,264 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:35:19,264 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689814573]
[2022-02-19 13:35:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:35:19,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:35:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:35:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:35:19,478 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:35:19,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689814573]
[2022-02-19 13:35:19,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689814573] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:35:19,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:35:19,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-19 13:35:19,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371706001]
[2022-02-19 13:35:19,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:35:19,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-02-19 13:35:19,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:35:19,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-19 13:35:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-19 13:35:19,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:19,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:35:19,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:35:19,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:19,529 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48 transitions and produced 49 states.
[2022-02-19 13:35:19,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 13:35:19,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-19 13:35:19,530 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-19 13:35:19,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:35:19,531 INFO L85 PathProgramCache]: Analyzing trace with hash 83167749, now seen corresponding path program 1 times
[2022-02-19 13:35:19,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:35:19,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142441281]
[2022-02-19 13:35:19,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:35:19,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:35:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:35:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:35:19,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:35:19,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142441281]
[2022-02-19 13:35:19,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142441281] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:35:19,654 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:35:19,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 13:35:19,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729091686]
[2022-02-19 13:35:19,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:35:19,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-19 13:35:19,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:35:19,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-19 13:35:19,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-19 13:35:19,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:19,656 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:35:19,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:35:19,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 13:35:19,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:19,739 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 101 transitions and produced 78 states.
[2022-02-19 13:35:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 13:35:19,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:19,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-19 13:35:19,742 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-19 13:35:19,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:35:19,742 INFO L85 PathProgramCache]: Analyzing trace with hash -740331581, now seen corresponding path program 1 times
[2022-02-19 13:35:19,742 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:35:19,742 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234351454]
[2022-02-19 13:35:19,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:35:19,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:35:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:35:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:35:19,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:35:19,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234351454]
[2022-02-19 13:35:19,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234351454] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:35:19,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:35:19,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-19 13:35:19,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940471266]
[2022-02-19 13:35:19,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:35:19,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-19 13:35:19,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:35:19,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-19 13:35:19,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-19 13:35:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:19,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:35:19,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:35:19,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 13:35:19,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:19,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:19,919 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 88 transitions and produced 78 states.
[2022-02-19 13:35:19,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 13:35:19,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:19,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:19,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-19 13:35:19,920 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-19 13:35:19,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-19 13:35:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1738994042, now seen corresponding path program 1 times
[2022-02-19 13:35:19,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-19 13:35:19,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745695862]
[2022-02-19 13:35:19,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-19 13:35:19,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-19 13:35:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-19 13:35:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-19 13:35:19,990 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-19 13:35:19,993 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745695862]
[2022-02-19 13:35:19,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745695862] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-19 13:35:19,994 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-19 13:35:19,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-19 13:35:19,994 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267444887]
[2022-02-19 13:35:19,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-19 13:35:19,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-19 13:35:19,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-19 13:35:19,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-19 13:35:19,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-19 13:35:19,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:19,996 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-19 13:35:19,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-19 13:35:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2022-02-19 13:35:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:19,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2022-02-19 13:35:20,047 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 108 transitions and produced 74 states.
[2022-02-19 13:35:20,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-02-19 13:35:20,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:20,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-19 13:35:20,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-02-19 13:35:20,050 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2022-02-19 13:35:20,051 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining)
[2022-02-19 13:35:20,051 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining)
[2022-02-19 13:35:20,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-02-19 13:35:20,055 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-02-19 13:35:20,056 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-19 13:35:20,058 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-19 13:35:20,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 01:35:20 BasicIcfg
[2022-02-19 13:35:20,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-19 13:35:20,067 INFO L158 Benchmark]: Toolchain (without parser) took 1673.25ms. Allocated memory is still 181.4MB. Free memory was 129.6MB in the beginning and 71.4MB in the end (delta: 58.3MB). Peak memory consumption was 57.4MB. Max. memory is 8.0GB.
[2022-02-19 13:35:20,067 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-19 13:35:20,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.82ms. Allocated memory is still 181.4MB. Free memory was 129.3MB in the beginning and 147.4MB in the end (delta: -18.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB.
[2022-02-19 13:35:20,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.55ms. Allocated memory is still 181.4MB. Free memory was 147.4MB in the beginning and 145.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-19 13:35:20,068 INFO L158 Benchmark]: Boogie Preprocessor took 24.24ms. Allocated memory is still 181.4MB. Free memory was 145.3MB in the beginning and 144.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-19 13:35:20,068 INFO L158 Benchmark]: RCFGBuilder took 323.33ms. Allocated memory is still 181.4MB. Free memory was 144.2MB in the beginning and 133.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
[2022-02-19 13:35:20,073 INFO L158 Benchmark]: TraceAbstraction took 967.38ms. Allocated memory is still 181.4MB. Free memory was 132.7MB in the beginning and 71.4MB in the end (delta: 61.3MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB.
[2022-02-19 13:35:20,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 147.6MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 319.82ms. Allocated memory is still 181.4MB. Free memory was 129.3MB in the beginning and 147.4MB in the end (delta: -18.1MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 23.55ms. Allocated memory is still 181.4MB. Free memory was 147.4MB in the beginning and 145.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 24.24ms. Allocated memory is still 181.4MB. Free memory was 145.3MB in the beginning and 144.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 323.33ms. Allocated memory is still 181.4MB. Free memory was 144.2MB in the beginning and 133.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB.
* TraceAbstraction took 967.38ms. Allocated memory is still 181.4MB. Free memory was 132.7MB in the beginning and 71.4MB in the end (delta: 61.3MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Independence relation benchmarks
ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- PositiveResult [Line: 19]: 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 with 1 thread instances
CFG has 3 procedures, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-19 13:35:20,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2022-02-19 13:35:20,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...