/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-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-10 02:09:57,599 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-10 02:09:57,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-10 02:09:57,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-10 02:09:57,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-10 02:09:57,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2022-02-10 02:09:57,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2022-02-10 02:09:57,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
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[2022-02-10 02:09:57,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
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[2022-02-10 02:09:57,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-10 02:09:57,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-10 02:09:57,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-10 02:09:57,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-10 02:09:57,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-10 02:09:57,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-10 02:09:57,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-10 02:09:57,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-10 02:09:57,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-02-10 02:09:57,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-10 02:09:57,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-10 02:09:57,713 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-BasicCegarLoop.epf
[2022-02-10 02:09:57,728 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-10 02:09:57,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-10 02:09:57,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-10 02:09:57,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-10 02:09:57,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-10 02:09:57,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-10 02:09:57,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-10 02:09:57,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-10 02:09:57,731 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-10 02:09:57,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-10 02:09:57,740 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-10 02:09:57,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-10 02:09:57,740 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-10 02:09:57,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-10 02:09:57,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-10 02:09:57,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-10 02:09:57,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-10 02:09:57,742 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-10 02:09:57,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-10 02:09:57,742 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-10 02:09:57,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-10 02:09:57,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-10 02:09:57,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-10 02:09:57,742 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-10 02:09:57,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-10 02:09:57,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 02:09:57,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-10 02:09:57,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-10 02:09:57,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-10 02:09:57,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-10 02:09:57,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-10 02:09:57,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-10 02:09:57,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-10 02:09:57,746 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-10 02:09:57,746 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-10 02:09:57,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-10 02:09:58,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-10 02:09:58,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-10 02:09:58,005 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-10 02:09:58,006 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-10 02:09:58,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i
[2022-02-10 02:09:58,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c098cd80/e930996cf1344582a58ce4789998fd3a/FLAG0a83d73af
[2022-02-10 02:09:58,549 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-10 02:09:58,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_neg.i
[2022-02-10 02:09:58,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c098cd80/e930996cf1344582a58ce4789998fd3a/FLAG0a83d73af
[2022-02-10 02:09:58,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c098cd80/e930996cf1344582a58ce4789998fd3a
[2022-02-10 02:09:58,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-10 02:09:58,902 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-10 02:09:58,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-10 02:09:58,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-10 02:09:58,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-10 02:09:58,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:09:58" (1/1) ...
[2022-02-10 02:09:58,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590f68dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:58, skipping insertion in model container
[2022-02-10 02:09:58,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:09:58" (1/1) ...
[2022-02-10 02:09:58,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-10 02:09:58,961 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-10 02:09:59,181 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/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111]
[2022-02-10 02:09:59,339 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 02:09:59,350 INFO L203 MainTranslator]: Completed pre-run
[2022-02-10 02:09:59,364 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/36-apron_17-traces-rpb-litmus_unknown_1_neg.i[1098,1111]
[2022-02-10 02:09:59,404 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-10 02:09:59,448 INFO L208 MainTranslator]: Completed translation
[2022-02-10 02:09:59,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59 WrapperNode
[2022-02-10 02:09:59,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-10 02:09:59,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-10 02:09:59,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-10 02:09:59,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-10 02:09:59,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,513 INFO L137 Inliner]: procedures = 163, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59
[2022-02-10 02:09:59,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-10 02:09:59,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-10 02:09:59,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-10 02:09:59,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-10 02:09:59,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-10 02:09:59,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-10 02:09:59,534 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-10 02:09:59,534 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-10 02:09:59,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (1/1) ...
[2022-02-10 02:09:59,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 02:09:59,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 02:09:59,566 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)
[2022-02-10 02:09:59,572 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
[2022-02-10 02:09:59,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-10 02:09:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-10 02:09:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-10 02:09:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-10 02:09:59,606 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-10 02:09:59,606 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-10 02:09:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-10 02:09:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-10 02:09:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-10 02:09:59,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-10 02:09:59,609 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-10 02:09:59,773 INFO L234 CfgBuilder]: Building ICFG
[2022-02-10 02:09:59,775 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-10 02:10:00,030 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-10 02:10:00,036 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-10 02:10:00,037 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-10 02:10:00,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:10:00 BoogieIcfgContainer
[2022-02-10 02:10:00,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-10 02:10:00,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-10 02:10:00,040 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-10 02:10:00,057 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-10 02:10:00,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 02:09:58" (1/3) ...
[2022-02-10 02:10:00,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3197728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:10:00, skipping insertion in model container
[2022-02-10 02:10:00,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:09:59" (2/3) ...
[2022-02-10 02:10:00,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3197728f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:10:00, skipping insertion in model container
[2022-02-10 02:10:00,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:10:00" (3/3) ...
[2022-02-10 02:10:00,061 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_neg.i
[2022-02-10 02:10:00,072 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-10 02:10:00,072 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-10 02:10:00,072 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-10 02:10:00,073 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-10 02:10:00,149 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,150 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,150 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,150 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,150 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,151 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,151 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,152 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,153 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,157 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,157 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,158 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,158 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 02:10:00,161 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-10 02:10:00,212 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-10 02:10:00,229 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=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, 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
[2022-02-10 02:10:00,230 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-02-10 02:10:00,245 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 78 transitions, 161 flow
[2022-02-10 02:10:00,298 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 245 states, 244 states have (on average 1.7827868852459017) internal successors, (435), 244 states have internal predecessors, (435), 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)
[2022-02-10 02:10:01,096 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7720 transitions and produced 4520 states.
[2022-02-10 02:10:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 4520 states, 3579 states have (on average 1.2900251466890194) internal successors, (4617), 4519 states have internal predecessors, (4617), 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)
[2022-02-10 02:10:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2022-02-10 02:10:01,182 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:10:01,186 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-10 02:10:01,187 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-10 02:10:01,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:10:01,193 INFO L85 PathProgramCache]: Analyzing trace with hash -280445477, now seen corresponding path program 1 times
[2022-02-10 02:10:01,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:10:01,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243348426]
[2022-02-10 02:10:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:10:01,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:10:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 02:10:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 02:10:01,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 02:10:01,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243348426]
[2022-02-10 02:10:01,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243348426] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 02:10:01,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 02:10:01,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-10 02:10:01,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776664184]
[2022-02-10 02:10:01,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 02:10:01,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-10 02:10:01,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 02:10:01,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-10 02:10:01,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-02-10 02:10:01,641 INFO L87 Difference]: Start difference. First operand has 4520 states, 3579 states have (on average 1.2900251466890194) internal successors, (4617), 4519 states have internal predecessors, (4617), 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) Second operand 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)
[2022-02-10 02:10:01,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-10 02:10:01,874 INFO L93 Difference]: Finished difference Result 4612 states and 4679 transitions.
[2022-02-10 02:10:01,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-10 02:10:01,877 INFO L78 Accepts]: Start accepts. 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) Word has length 50
[2022-02-10 02:10:01,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-10 02:10:01,896 INFO L225 Difference]: With dead ends: 4612
[2022-02-10 02:10:01,896 INFO L226 Difference]: Without dead ends: 1019
[2022-02-10 02:10:01,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-02-10 02:10:01,900 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 52 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-10 02:10:01,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 339 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-10 02:10:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states.
[2022-02-10 02:10:01,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 157.
[2022-02-10 02:10:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.1217948717948718) internal successors, (175), 156 states have internal predecessors, (175), 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)
[2022-02-10 02:10:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 175 transitions.
[2022-02-10 02:10:01,990 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 175 transitions. Word has length 50
[2022-02-10 02:10:01,991 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-10 02:10:01,991 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 175 transitions.
[2022-02-10 02:10:01,991 INFO L471 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)
[2022-02-10 02:10:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 175 transitions.
[2022-02-10 02:10:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2022-02-10 02:10:01,992 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-10 02:10:01,992 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-10 02:10:01,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-10 02:10:01,993 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-10 02:10:01,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 02:10:01,994 INFO L85 PathProgramCache]: Analyzing trace with hash 687613271, now seen corresponding path program 1 times
[2022-02-10 02:10:01,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 02:10:01,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538016477]
[2022-02-10 02:10:01,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 02:10:01,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 02:10:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-10 02:10:02,027 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-10 02:10:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-10 02:10:02,075 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-10 02:10:02,076 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2022-02-10 02:10:02,077 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2022-02-10 02:10:02,079 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining)
[2022-02-10 02:10:02,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-10 02:10:02,081 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-02-10 02:10:02,085 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-10 02:10:02,086 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-10 02:10:02,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 02:10:02 BasicIcfg
[2022-02-10 02:10:02,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-10 02:10:02,134 INFO L158 Benchmark]: Toolchain (without parser) took 3232.67ms. Allocated memory was 213.9MB in the beginning and 287.3MB in the end (delta: 73.4MB). Free memory was 161.9MB in the beginning and 101.1MB in the end (delta: 60.7MB). Peak memory consumption was 133.9MB. Max. memory is 8.0GB.
[2022-02-10 02:10:02,135 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 213.9MB. Free memory is still 179.6MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-10 02:10:02,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.68ms. Allocated memory was 213.9MB in the beginning and 287.3MB in the end (delta: 73.4MB). Free memory was 161.7MB in the beginning and 256.0MB in the end (delta: -94.4MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB.
[2022-02-10 02:10:02,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.89ms. Allocated memory is still 287.3MB. Free memory was 256.0MB in the beginning and 253.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-10 02:10:02,136 INFO L158 Benchmark]: Boogie Preprocessor took 18.73ms. Allocated memory is still 287.3MB. Free memory was 253.9MB in the beginning and 252.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-10 02:10:02,136 INFO L158 Benchmark]: RCFGBuilder took 504.53ms. Allocated memory is still 287.3MB. Free memory was 252.9MB in the beginning and 239.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2022-02-10 02:10:02,137 INFO L158 Benchmark]: TraceAbstraction took 2094.06ms. Allocated memory is still 287.3MB. Free memory was 239.3MB in the beginning and 101.1MB in the end (delta: 138.1MB). Peak memory consumption was 138.1MB. Max. memory is 8.0GB.
[2022-02-10 02:10:02,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 213.9MB. Free memory is still 179.6MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 545.68ms. Allocated memory was 213.9MB in the beginning and 287.3MB in the end (delta: 73.4MB). Free memory was 161.7MB in the beginning and 256.0MB in the end (delta: -94.4MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 63.89ms. Allocated memory is still 287.3MB. Free memory was 256.0MB in the beginning and 253.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 18.73ms. Allocated memory is still 287.3MB. Free memory was 253.9MB in the beginning and 252.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 504.53ms. Allocated memory is still 287.3MB. Free memory was 252.9MB in the beginning and 239.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 2094.06ms. Allocated memory is still 287.3MB. Free memory was 239.3MB in the beginning and 101.1MB in the end (delta: 138.1MB). Peak memory consumption was 138.1MB. 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: 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, 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
- CounterExampleResult [Line: 19]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L682] 0 int g = 42;
VAL [g=42]
[L683] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
VAL [A={3:0}, g=42]
[L684] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
VAL [A={3:0}, B={4:0}, g=42]
[L694] 0 int r = __VERIFIER_nondet_int();
VAL [__VERIFIER_nondet_int()=1, A={3:0}, B={4:0}, g=42, r=1]
[L695] 0 int t;
VAL [A={3:0}, B={4:0}, g=42, r=1]
[L696] 0 pthread_t id;
VAL [A={3:0}, B={4:0}, g=42, id={5:0}, r=1]
[L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, r=1]
[L700] COND TRUE 0 \read(r)
VAL [A={3:0}, arg={0:0}, B={4:0}, g=42, id={5:0}, r=1]
[L701] 0 g = 17
VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1]
[L705] 0 t = g
VAL [A={3:0}, arg={0:0}, B={4:0}, g=17, id={5:0}, r=1, t=17]
[L706] CALL 0 __VERIFIER_assert(!(t == 17))
[L19] COND TRUE 0 !(cond)
VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17]
[L19] 0 reach_error()
VAL [\old(cond)=0, A={3:0}, arg={0:0}, B={4:0}, cond=0, g=17]
- UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 89 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.9s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 339 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 94 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4520occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 862 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
RESULT: Ultimate proved your program to be incorrect!
[2022-02-10 02:10:02,182 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...