/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 00:12:28,434 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-02-09 00:12:28,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-09 00:12:28,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-09 00:12:28,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-09 00:12:28,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-09 00:12:28,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-09 00:12:28,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-09 00:12:28,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-09 00:12:28,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-09 00:12:28,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-02-09 00:12:28,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-09 00:12:28,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-09 00:12:28,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-09 00:12:28,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-09 00:12:28,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-09 00:12:28,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-09 00:12:28,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-09 00:12:28,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-09 00:12:28,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-09 00:12:28,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-09 00:12:28,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-09 00:12:28,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-02-09 00:12:28,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-09 00:12:28,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-09 00:12:28,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-09 00:12:28,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-09 00:12:28,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-09 00:12:28,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-09 00:12:28,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-09 00:12:28,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-09 00:12:28,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-09 00:12:28,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-09 00:12:28,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-09 00:12:28,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-09 00:12:28,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-09 00:12:28,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-09 00:12:28,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-09 00:12:28,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-09 00:12:28,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-09 00:12:28,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-02-09 00:12:28,584 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-FA-NoLbe.epf
[2022-02-09 00:12:28,604 INFO L113 SettingsManager]: Loading preferences was successful
[2022-02-09 00:12:28,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 00:12:28,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 00:12:28,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 00:12:28,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 00:12:28,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 00:12:28,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 00:12:28,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-02-09 00:12:28,606 INFO L138 SettingsManager]: * Use SBE=true
[2022-02-09 00:12:28,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 00:12:28,606 INFO L138 SettingsManager]: * sizeof long=4
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * sizeof long double=12
[2022-02-09 00:12:28,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-02-09 00:12:28,608 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-02-09 00:12:28,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-02-09 00:12:28,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 00:12:28,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-02-09 00:12:28,608 INFO L138 SettingsManager]: * To the following directory=./dump/
[2022-02-09 00:12:28,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-02-09 00:12:28,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 00:12:28,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 00:12:28,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 00:12:28,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 00:12:28,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-02-09 00:12:28,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 00:12:28,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2022-02-09 00:12:28,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 00:12:28,609 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 00:12:28,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 00:12:28,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 00:12:28,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 00:12:28,902 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-02-09 00:12:28,904 INFO L275 PluginConnector]: CDTParser initialized
[2022-02-09 00:12:28,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i
[2022-02-09 00:12:28,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a46df1f6/1915dab83b83434e855617288c99182b/FLAGe55f835d3
[2022-02-09 00:12:29,415 INFO L306 CDTParser]: Found 1 translation units.
[2022-02-09 00:12:29,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_35-traces-ex-2_true.i
[2022-02-09 00:12:29,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a46df1f6/1915dab83b83434e855617288c99182b/FLAGe55f835d3
[2022-02-09 00:12:29,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a46df1f6/1915dab83b83434e855617288c99182b
[2022-02-09 00:12:29,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 00:12:29,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-09 00:12:29,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-09 00:12:29,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-09 00:12:29,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-09 00:12:29,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:29,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f4ad1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29, skipping insertion in model container
[2022-02-09 00:12:29,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:29,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-02-09 00:12:29,512 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-02-09 00:12:29,687 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_35-traces-ex-2_true.i[1088,1101]
[2022-02-09 00:12:29,856 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 00:12:29,873 INFO L203 MainTranslator]: Completed pre-run
[2022-02-09 00:12:29,886 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_35-traces-ex-2_true.i[1088,1101]
[2022-02-09 00:12:29,925 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-02-09 00:12:29,967 INFO L208 MainTranslator]: Completed translation
[2022-02-09 00:12:29,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29 WrapperNode
[2022-02-09 00:12:29,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-09 00:12:29,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 00:12:29,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 00:12:29,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 00:12:29,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,027 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49
[2022-02-09 00:12:30,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 00:12:30,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 00:12:30,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 00:12:30,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 00:12:30,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 00:12:30,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 00:12:30,063 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 00:12:30,063 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-02-09 00:12:30,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (1/1) ...
[2022-02-09 00:12:30,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 00:12:30,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 00:12:30,098 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)
[2022-02-09 00:12:30,136 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
[2022-02-09 00:12:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-02-09 00:12:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-02-09 00:12:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-09 00:12:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-09 00:12:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2022-02-09 00:12:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2022-02-09 00:12:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-09 00:12:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-09 00:12:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 00:12:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 00:12:30,183 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 00:12:30,269 INFO L234 CfgBuilder]: Building ICFG
[2022-02-09 00:12:30,271 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 00:12:30,400 INFO L275 CfgBuilder]: Performing block encoding
[2022-02-09 00:12:30,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 00:12:30,407 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 00:12:30,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:12:30 BoogieIcfgContainer
[2022-02-09 00:12:30,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 00:12:30,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 00:12:30,410 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 00:12:30,413 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-02-09 00:12:30,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:12:29" (1/3) ...
[2022-02-09 00:12:30,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260aea4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:12:30, skipping insertion in model container
[2022-02-09 00:12:30,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:12:29" (2/3) ...
[2022-02-09 00:12:30,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260aea4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:12:30, skipping insertion in model container
[2022-02-09 00:12:30,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:12:30" (3/3) ...
[2022-02-09 00:12:30,416 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_35-traces-ex-2_true.i
[2022-02-09 00:12:30,422 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 00:12:30,422 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 00:12:30,422 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 00:12:30,422 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 00:12:30,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,449 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,450 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,450 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,458 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,459 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 00:12:30,461 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-02-09 00:12:30,499 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 00:12:30,504 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
[2022-02-09 00:12:30,505 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-02-09 00:12:30,518 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 71 transitions, 147 flow
[2022-02-09 00:12:30,570 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 227 states, 226 states have (on average 1.7433628318584071) internal successors, (394), 226 states have internal predecessors, (394), 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)
[2022-02-09 00:12:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 226 states have (on average 1.7433628318584071) internal successors, (394), 226 states have internal predecessors, (394), 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)
[2022-02-09 00:12:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2022-02-09 00:12:30,581 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 00:12:30,582 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]
[2022-02-09 00:12:30,583 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-09 00:12:30,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 00:12:30,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1163219958, now seen corresponding path program 1 times
[2022-02-09 00:12:30,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 00:12:30,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604771583]
[2022-02-09 00:12:30,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 00:12:30,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 00:12:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 00:12:30,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 00:12:30,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 00:12:30,959 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604771583]
[2022-02-09 00:12:30,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604771583] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 00:12:30,959 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 00:12:30,960 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-02-09 00:12:30,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841046290]
[2022-02-09 00:12:30,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 00:12:30,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-02-09 00:12:30,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 00:12:31,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-02-09 00:12:31,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-02-09 00:12:31,010 INFO L87 Difference]: Start difference. First operand has 227 states, 226 states have (on average 1.7433628318584071) internal successors, (394), 226 states have internal predecessors, (394), 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 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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)
[2022-02-09 00:12:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 00:12:31,128 INFO L93 Difference]: Finished difference Result 242 states and 412 transitions.
[2022-02-09 00:12:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-09 00:12:31,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 44
[2022-02-09 00:12:31,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 00:12:31,162 INFO L225 Difference]: With dead ends: 242
[2022-02-09 00:12:31,162 INFO L226 Difference]: Without dead ends: 157
[2022-02-09 00:12:31,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-02-09 00:12:31,168 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 46 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 00:12:31,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 240 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 00:12:31,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2022-02-09 00:12:31,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157.
[2022-02-09 00:12:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 156 states have (on average 1.6282051282051282) internal successors, (254), 156 states have internal predecessors, (254), 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)
[2022-02-09 00:12:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 254 transitions.
[2022-02-09 00:12:31,244 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 254 transitions. Word has length 44
[2022-02-09 00:12:31,244 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 00:12:31,245 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 254 transitions.
[2022-02-09 00:12:31,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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)
[2022-02-09 00:12:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions.
[2022-02-09 00:12:31,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2022-02-09 00:12:31,250 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 00:12:31,250 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]
[2022-02-09 00:12:31,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-09 00:12:31,251 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-09 00:12:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 00:12:31,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1776305511, now seen corresponding path program 1 times
[2022-02-09 00:12:31,255 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 00:12:31,255 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271602401]
[2022-02-09 00:12:31,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 00:12:31,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 00:12:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 00:12:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 00:12:31,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 00:12:31,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271602401]
[2022-02-09 00:12:31,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271602401] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 00:12:31,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 00:12:31,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-02-09 00:12:31,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843471953]
[2022-02-09 00:12:31,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 00:12:31,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-09 00:12:31,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 00:12:31,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-09 00:12:31,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-02-09 00:12:31,419 INFO L87 Difference]: Start difference. First operand 157 states and 254 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 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)
[2022-02-09 00:12:31,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 00:12:31,488 INFO L93 Difference]: Finished difference Result 92 states and 124 transitions.
[2022-02-09 00:12:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-02-09 00:12:31,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 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
[2022-02-09 00:12:31,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 00:12:31,490 INFO L225 Difference]: With dead ends: 92
[2022-02-09 00:12:31,490 INFO L226 Difference]: Without dead ends: 66
[2022-02-09 00:12:31,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2022-02-09 00:12:31,491 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 52 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-02-09 00:12:31,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 253 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-02-09 00:12:31,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2022-02-09 00:12:31,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2022-02-09 00:12:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 65 states have internal predecessors, (79), 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)
[2022-02-09 00:12:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions.
[2022-02-09 00:12:31,499 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 50
[2022-02-09 00:12:31,499 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 00:12:31,499 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions.
[2022-02-09 00:12:31,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 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)
[2022-02-09 00:12:31,499 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions.
[2022-02-09 00:12:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2022-02-09 00:12:31,500 INFO L506 BasicCegarLoop]: Found error trace
[2022-02-09 00:12:31,501 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]
[2022-02-09 00:12:31,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-09 00:12:31,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] ===
[2022-02-09 00:12:31,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-02-09 00:12:31,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1481176972, now seen corresponding path program 1 times
[2022-02-09 00:12:31,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-09 00:12:31,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372351858]
[2022-02-09 00:12:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-09 00:12:31,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-09 00:12:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-09 00:12:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-09 00:12:31,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-09 00:12:31,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372351858]
[2022-02-09 00:12:31,703 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372351858] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-09 00:12:31,703 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-09 00:12:31,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2022-02-09 00:12:31,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691797481]
[2022-02-09 00:12:31,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-09 00:12:31,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-02-09 00:12:31,705 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-09 00:12:31,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-02-09 00:12:31,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2022-02-09 00:12:31,707 INFO L87 Difference]: Start difference. First operand 66 states and 79 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-09 00:12:31,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-09 00:12:31,826 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions.
[2022-02-09 00:12:31,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-02-09 00:12:31,826 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51
[2022-02-09 00:12:31,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-02-09 00:12:31,827 INFO L225 Difference]: With dead ends: 58
[2022-02-09 00:12:31,827 INFO L226 Difference]: Without dead ends: 0
[2022-02-09 00:12:31,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182
[2022-02-09 00:12:31,836 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 69 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-02-09 00:12:31,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 199 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-02-09 00:12:31,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-02-09 00:12:31,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-02-09 00:12:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2022-02-09 00:12:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-02-09 00:12:31,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51
[2022-02-09 00:12:31,842 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-02-09 00:12:31,842 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-02-09 00:12:31,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-09 00:12:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-02-09 00:12:31,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-09 00:12:31,845 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2022-02-09 00:12:31,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining)
[2022-02-09 00:12:31,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-02-09 00:12:31,852 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-02-09 00:12:31,854 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 00:12:31,854 INFO L180 ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 00:12:31,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 12:12:31 BasicIcfg
[2022-02-09 00:12:31,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 00:12:31,865 INFO L158 Benchmark]: Toolchain (without parser) took 2413.70ms. Allocated memory was 217.1MB in the beginning and 316.7MB in the end (delta: 99.6MB). Free memory was 160.3MB in the beginning and 191.0MB in the end (delta: -30.7MB). Peak memory consumption was 69.1MB. Max. memory is 8.0GB.
[2022-02-09 00:12:31,865 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 217.1MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 00:12:31,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.93ms. Allocated memory was 217.1MB in the beginning and 316.7MB in the end (delta: 99.6MB). Free memory was 160.2MB in the beginning and 279.1MB in the end (delta: -118.9MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB.
[2022-02-09 00:12:31,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.53ms. Allocated memory is still 316.7MB. Free memory was 279.1MB in the beginning and 277.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2022-02-09 00:12:31,867 INFO L158 Benchmark]: Boogie Preprocessor took 33.92ms. Allocated memory is still 316.7MB. Free memory was 277.0MB in the beginning and 276.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 00:12:31,868 INFO L158 Benchmark]: RCFGBuilder took 345.66ms. Allocated memory is still 316.7MB. Free memory was 275.4MB in the beginning and 263.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-02-09 00:12:31,868 INFO L158 Benchmark]: TraceAbstraction took 1453.90ms. Allocated memory is still 316.7MB. Free memory was 262.8MB in the beginning and 191.0MB in the end (delta: 71.8MB). Peak memory consumption was 72.4MB. Max. memory is 8.0GB.
[2022-02-09 00:12:31,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 217.1MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 514.93ms. Allocated memory was 217.1MB in the beginning and 316.7MB in the end (delta: 99.6MB). Free memory was 160.2MB in the beginning and 279.1MB in the end (delta: -118.9MB). Peak memory consumption was 8.1MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 58.53ms. Allocated memory is still 316.7MB. Free memory was 279.1MB in the beginning and 277.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 33.92ms. Allocated memory is still 316.7MB. Free memory was 277.0MB in the beginning and 276.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* RCFGBuilder took 345.66ms. Allocated memory is still 316.7MB. Free memory was 275.4MB in the beginning and 263.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 1453.90ms. Allocated memory is still 316.7MB. Free memory was 262.8MB in the beginning and 191.0MB in the end (delta: 71.8MB). Peak memory consumption was 72.4MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- 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
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 87 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 167 mSDsluCounter, 692 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 173 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=227occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-09 00:12:31,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...