/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239
[2021-03-25 05:14:31,531 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-03-25 05:14:31,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-03-25 05:14:31,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-03-25 05:14:31,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-03-25 05:14:31,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-03-25 05:14:31,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-03-25 05:14:31,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-03-25 05:14:31,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-03-25 05:14:31,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-03-25 05:14:31,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-03-25 05:14:31,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-03-25 05:14:31,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-03-25 05:14:31,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-03-25 05:14:31,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-03-25 05:14:31,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-03-25 05:14:31,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-03-25 05:14:31,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-03-25 05:14:31,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-03-25 05:14:31,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-03-25 05:14:31,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-03-25 05:14:31,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-03-25 05:14:31,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-03-25 05:14:31,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-03-25 05:14:31,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-03-25 05:14:31,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-03-25 05:14:31,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-03-25 05:14:31,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-03-25 05:14:31,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-03-25 05:14:31,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-03-25 05:14:31,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-03-25 05:14:31,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-03-25 05:14:31,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-03-25 05:14:31,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-03-25 05:14:31,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-03-25 05:14:31,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-03-25 05:14:31,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-03-25 05:14:31,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-03-25 05:14:31,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-03-25 05:14:31,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-03-25 05:14:31,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-03-25 05:14:31,595 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-PN-RepeatedVariableLbe.epf
[2021-03-25 05:14:31,625 INFO L113 SettingsManager]: Loading preferences was successful
[2021-03-25 05:14:31,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-03-25 05:14:31,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-03-25 05:14:31,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-03-25 05:14:31,628 INFO L138 SettingsManager]: * Use SBE=true
[2021-03-25 05:14:31,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-03-25 05:14:31,629 INFO L138 SettingsManager]: * sizeof long=4
[2021-03-25 05:14:31,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-03-25 05:14:31,629 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-03-25 05:14:31,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-03-25 05:14:31,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-03-25 05:14:31,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-03-25 05:14:31,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-03-25 05:14:31,630 INFO L138 SettingsManager]: * sizeof long double=12
[2021-03-25 05:14:31,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-03-25 05:14:31,630 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-03-25 05:14:31,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-03-25 05:14:31,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-03-25 05:14:31,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-03-25 05:14:31,631 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-03-25 05:14:31,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-03-25 05:14:31,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-25 05:14:31,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-03-25 05:14:31,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-03-25 05:14:31,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-03-25 05:14:31,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-03-25 05:14:31,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-03-25 05:14:31,632 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2021-03-25 05:14:31,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-03-25 05:14:31,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-03-25 05:14:31,632 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-03-25 05:14:31,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-03-25 05:14:31,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-03-25 05:14:31,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-03-25 05:14:31,926 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-03-25 05:14:31,926 INFO L275 PluginConnector]: CDTParser initialized
[2021-03-25 05:14:31,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2.i
[2021-03-25 05:14:31,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5964cd08/31221dc5013c43378ea9e7a2ac821a0d/FLAG1a7b2562b
[2021-03-25 05:14:32,524 INFO L306 CDTParser]: Found 1 translation units.
[2021-03-25 05:14:32,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i
[2021-03-25 05:14:32,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5964cd08/31221dc5013c43378ea9e7a2ac821a0d/FLAG1a7b2562b
[2021-03-25 05:14:32,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5964cd08/31221dc5013c43378ea9e7a2ac821a0d
[2021-03-25 05:14:32,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-03-25 05:14:32,839 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-03-25 05:14:32,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-03-25 05:14:32,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-03-25 05:14:32,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-03-25 05:14:32,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:14:32" (1/1) ...
[2021-03-25 05:14:32,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8393999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:32, skipping insertion in model container
[2021-03-25 05:14:32,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:14:32" (1/1) ...
[2021-03-25 05:14:32,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-03-25 05:14:32,895 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-03-25 05:14:33,181 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i[30003,30016]
[2021-03-25 05:14:33,202 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-03-25 05:14:33,209 INFO L203 MainTranslator]: Completed pre-run
[2021-03-25 05:14:33,243 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2.i[30003,30016]
[2021-03-25 05:14:33,255 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-03-25 05:14:33,323 INFO L208 MainTranslator]: Completed translation
[2021-03-25 05:14:33,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33 WrapperNode
[2021-03-25 05:14:33,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-03-25 05:14:33,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-03-25 05:14:33,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-03-25 05:14:33,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-03-25 05:14:33,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-03-25 05:14:33,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-03-25 05:14:33,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-03-25 05:14:33,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-03-25 05:14:33,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
[2021-03-25 05:14:33,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-03-25 05:14:33,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-03-25 05:14:33,419 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-03-25 05:14:33,419 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-03-25 05:14:33,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-03-25 05:14:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop
[2021-03-25 05:14:33,479 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop
[2021-03-25 05:14:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-03-25 05:14:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-03-25 05:14:33,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-03-25 05:14:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-03-25 05:14:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-03-25 05:14:33,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-03-25 05:14:33,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-03-25 05:14:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-03-25 05:14:33,483 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-03-25 05:14:33,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-03-25 05:14:33,856 INFO L299 CfgBuilder]: Removed 20 assume(true) statements.
[2021-03-25 05:14:33,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:14:33 BoogieIcfgContainer
[2021-03-25 05:14:33,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-03-25 05:14:33,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-03-25 05:14:33,859 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-03-25 05:14:33,861 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-03-25 05:14:33,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 05:14:32" (1/3) ...
[2021-03-25 05:14:33,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb4e8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:14:33, skipping insertion in model container
[2021-03-25 05:14:33,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:14:33" (2/3) ...
[2021-03-25 05:14:33,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb4e8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:14:33, skipping insertion in model container
[2021-03-25 05:14:33,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:14:33" (3/3) ...
[2021-03-25 05:14:33,863 INFO L111 eAbstractionObserver]: Analyzing ICFG qw2004-2.i
[2021-03-25 05:14:33,868 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-03-25 05:14:33,872 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-03-25 05:14:33,872 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-03-25 05:14:33,892 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,892 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,892 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,892 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,893 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,893 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,893 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,893 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,893 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,894 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,894 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,894 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,894 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,894 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,894 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,895 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,895 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,895 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,895 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,895 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,895 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,896 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,896 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,896 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,896 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,896 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,896 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,897 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,897 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,897 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,897 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,897 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,898 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,898 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,898 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,898 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,898 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,898 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,899 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,899 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,899 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,899 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,899 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,900 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,900 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,900 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,900 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,900 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,901 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,901 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,901 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,901 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,901 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,901 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,902 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,902 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,902 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,902 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,902 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,902 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,903 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,903 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,903 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,903 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,905 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,905 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,905 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_dec_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,905 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~lse~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,906 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,906 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_dec_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,906 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,906 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,906 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,906 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,906 WARN L313 ript$VariableManager]: TermVariabe |BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,907 WARN L313 ript$VariableManager]: TermVariabe BCSP_PnpStopThread1of1ForFork0_BCSP_IoDecrement_~pending~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-03-25 05:14:33,908 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-03-25 05:14:33,923 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2021-03-25 05:14:33,944 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-03-25 05:14:33,944 INFO L377 AbstractCegarLoop]: Hoare is false
[2021-03-25 05:14:33,944 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-03-25 05:14:33,944 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-03-25 05:14:33,945 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-03-25 05:14:33,945 INFO L381 AbstractCegarLoop]: Difference is false
[2021-03-25 05:14:33,945 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-03-25 05:14:33,945 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-03-25 05:14:33,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 96 transitions, 197 flow
[2021-03-25 05:14:34,012 INFO L129 PetriNetUnfolder]: 6/95 cut-off events.
[2021-03-25 05:14:34,013 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:14:34,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 6/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 97 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 75. Up to 3 conditions per place.
[2021-03-25 05:14:34,026 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 96 transitions, 197 flow
[2021-03-25 05:14:34,030 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 95 transitions, 193 flow
[2021-03-25 05:14:34,031 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:14:34,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 95 transitions, 193 flow
[2021-03-25 05:14:34,042 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 95 transitions, 193 flow
[2021-03-25 05:14:34,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 193 flow
[2021-03-25 05:14:34,076 INFO L129 PetriNetUnfolder]: 6/95 cut-off events.
[2021-03-25 05:14:34,076 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:14:34,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 6/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 96 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 75. Up to 3 conditions per place.
[2021-03-25 05:14:34,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 2500
[2021-03-25 05:14:35,692 INFO L154 LiptonReduction]: Checked pairs total: 1994
[2021-03-25 05:14:35,692 INFO L156 LiptonReduction]: Total number of compositions: 75
[2021-03-25 05:14:35,695 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1665
[2021-03-25 05:14:35,702 INFO L129 PetriNetUnfolder]: 3/21 cut-off events.
[2021-03-25 05:14:35,702 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:14:35,703 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:14:35,703 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:14:35,703 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:14:35,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:14:35,708 INFO L82 PathProgramCache]: Analyzing trace with hash 829912263, now seen corresponding path program 1 times
[2021-03-25 05:14:35,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:14:35,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639068661]
[2021-03-25 05:14:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:14:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:14:35,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:35,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:14:35,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:35,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:14:35,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:35,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:14:35,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:35,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:14:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:14:35,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639068661]
[2021-03-25 05:14:35,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:14:35,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-03-25 05:14:35,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752232050]
[2021-03-25 05:14:35,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 05:14:35,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:14:35,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 05:14:35,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 05:14:35,886 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 171
[2021-03-25 05:14:35,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 38 transitions, 79 flow. Second operand has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:35,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:14:35,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 171
[2021-03-25 05:14:35,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:14:35,938 INFO L129 PetriNetUnfolder]: 10/74 cut-off events.
[2021-03-25 05:14:35,938 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-03-25 05:14:35,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 74 events. 10/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 269 event pairs, 0 based on Foata normal form. 6/66 useless extension candidates. Maximal degree in co-relation 77. Up to 6 conditions per place.
[2021-03-25 05:14:35,940 INFO L132 encePairwiseOnDemand]: 164/171 looper letters, 5 selfloop transitions, 5 changer transitions 0/38 dead transitions.
[2021-03-25 05:14:35,940 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 99 flow
[2021-03-25 05:14:35,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-03-25 05:14:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-25 05:14:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 742 transitions.
[2021-03-25 05:14:35,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8678362573099415
[2021-03-25 05:14:35,954 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 742 transitions.
[2021-03-25 05:14:35,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 742 transitions.
[2021-03-25 05:14:35,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:14:35,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 742 transitions.
[2021-03-25 05:14:35,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 148.4) internal successors, (742), 5 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:35,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:35,969 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:35,971 INFO L185 Difference]: Start difference. First operand has 36 places, 38 transitions, 79 flow. Second operand 5 states and 742 transitions.
[2021-03-25 05:14:35,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 99 flow
[2021-03-25 05:14:35,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 38 transitions, 98 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-25 05:14:35,975 INFO L241 Difference]: Finished difference. Result has 41 places, 37 transitions, 104 flow
[2021-03-25 05:14:35,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=104, PETRI_PLACES=41, PETRI_TRANSITIONS=37}
[2021-03-25 05:14:35,977 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places.
[2021-03-25 05:14:35,977 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:14:35,977 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 37 transitions, 104 flow
[2021-03-25 05:14:35,978 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 37 transitions, 104 flow
[2021-03-25 05:14:35,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 37 transitions, 104 flow
[2021-03-25 05:14:35,985 INFO L129 PetriNetUnfolder]: 8/72 cut-off events.
[2021-03-25 05:14:35,985 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2021-03-25 05:14:35,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 72 events. 8/72 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 262 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 78. Up to 6 conditions per place.
[2021-03-25 05:14:35,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 390
[2021-03-25 05:14:36,921 INFO L154 LiptonReduction]: Checked pairs total: 492
[2021-03-25 05:14:36,921 INFO L156 LiptonReduction]: Total number of compositions: 18
[2021-03-25 05:14:36,922 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 945
[2021-03-25 05:14:36,923 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 22 transitions, 74 flow
[2021-03-25 05:14:36,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 146.0) internal successors, (584), 4 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:36,923 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:14:36,923 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:14:36,924 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-03-25 05:14:36,924 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:14:36,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:14:36,925 INFO L82 PathProgramCache]: Analyzing trace with hash -22949499, now seen corresponding path program 1 times
[2021-03-25 05:14:36,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:14:36,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900279843]
[2021-03-25 05:14:36,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:14:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:14:37,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:14:37,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5
[2021-03-25 05:14:37,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:14:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:14:37,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900279843]
[2021-03-25 05:14:37,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:14:37,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-25 05:14:37,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573009963]
[2021-03-25 05:14:37,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 05:14:37,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:14:37,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 05:14:37,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 05:14:37,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 189
[2021-03-25 05:14:37,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 22 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:14:37,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 189
[2021-03-25 05:14:37,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:14:37,037 INFO L129 PetriNetUnfolder]: 5/38 cut-off events.
[2021-03-25 05:14:37,037 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES.
[2021-03-25 05:14:37,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 38 events. 5/38 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 118 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 57. Up to 9 conditions per place.
[2021-03-25 05:14:37,037 INFO L132 encePairwiseOnDemand]: 187/189 looper letters, 6 selfloop transitions, 1 changer transitions 0/23 dead transitions.
[2021-03-25 05:14:37,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 90 flow
[2021-03-25 05:14:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 05:14:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 05:14:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions.
[2021-03-25 05:14:37,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8659611992945326
[2021-03-25 05:14:37,044 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 491 transitions.
[2021-03-25 05:14:37,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 491 transitions.
[2021-03-25 05:14:37,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:14:37,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 491 transitions.
[2021-03-25 05:14:37,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,047 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,047 INFO L185 Difference]: Start difference. First operand has 27 places, 22 transitions, 74 flow. Second operand 3 states and 491 transitions.
[2021-03-25 05:14:37,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 90 flow
[2021-03-25 05:14:37,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 23 transitions, 90 flow, removed 0 selfloop flow, removed 0 redundant places.
[2021-03-25 05:14:37,048 INFO L241 Difference]: Finished difference. Result has 30 places, 22 transitions, 79 flow
[2021-03-25 05:14:37,049 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=30, PETRI_TRANSITIONS=22}
[2021-03-25 05:14:37,049 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -6 predicate places.
[2021-03-25 05:14:37,049 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:14:37,049 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 22 transitions, 79 flow
[2021-03-25 05:14:37,049 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 22 transitions, 79 flow
[2021-03-25 05:14:37,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 22 transitions, 79 flow
[2021-03-25 05:14:37,053 INFO L129 PetriNetUnfolder]: 5/38 cut-off events.
[2021-03-25 05:14:37,053 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES.
[2021-03-25 05:14:37,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 38 events. 5/38 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 112 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 50. Up to 6 conditions per place.
[2021-03-25 05:14:37,054 INFO L142 LiptonReduction]: Number of co-enabled transitions 134
[2021-03-25 05:14:37,185 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76
[2021-03-25 05:14:37,369 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76
[2021-03-25 05:14:37,419 INFO L154 LiptonReduction]: Checked pairs total: 218
[2021-03-25 05:14:37,419 INFO L156 LiptonReduction]: Total number of compositions: 1
[2021-03-25 05:14:37,420 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 371
[2021-03-25 05:14:37,420 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 77 flow
[2021-03-25 05:14:37,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,421 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:14:37,421 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:14:37,421 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-03-25 05:14:37,421 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:14:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:14:37,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1977793235, now seen corresponding path program 1 times
[2021-03-25 05:14:37,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:14:37,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146276408]
[2021-03-25 05:14:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:14:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:14:37,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:14:37,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:14:37,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:14:37,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146276408]
[2021-03-25 05:14:37,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:14:37,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-03-25 05:14:37,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111919044]
[2021-03-25 05:14:37,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-03-25 05:14:37,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:14:37,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-03-25 05:14:37,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-03-25 05:14:37,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 190
[2021-03-25 05:14:37,475 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,475 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:14:37,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 190
[2021-03-25 05:14:37,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:14:37,486 INFO L129 PetriNetUnfolder]: 10/43 cut-off events.
[2021-03-25 05:14:37,486 INFO L130 PetriNetUnfolder]: For 14/15 co-relation queries the response was YES.
[2021-03-25 05:14:37,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 43 events. 10/43 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 142 event pairs, 0 based on Foata normal form. 3/41 useless extension candidates. Maximal degree in co-relation 69. Up to 11 conditions per place.
[2021-03-25 05:14:37,487 INFO L132 encePairwiseOnDemand]: 187/190 looper letters, 3 selfloop transitions, 2 changer transitions 0/22 dead transitions.
[2021-03-25 05:14:37,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 89 flow
[2021-03-25 05:14:37,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-03-25 05:14:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2021-03-25 05:14:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions.
[2021-03-25 05:14:37,489 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8631578947368421
[2021-03-25 05:14:37,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions.
[2021-03-25 05:14:37,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions.
[2021-03-25 05:14:37,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:14:37,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions.
[2021-03-25 05:14:37,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,491 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,492 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,492 INFO L185 Difference]: Start difference. First operand has 29 places, 21 transitions, 77 flow. Second operand 3 states and 492 transitions.
[2021-03-25 05:14:37,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 89 flow
[2021-03-25 05:14:37,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 22 transitions, 88 flow, removed 0 selfloop flow, removed 1 redundant places.
[2021-03-25 05:14:37,493 INFO L241 Difference]: Finished difference. Result has 31 places, 21 transitions, 84 flow
[2021-03-25 05:14:37,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=31, PETRI_TRANSITIONS=21}
[2021-03-25 05:14:37,494 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -5 predicate places.
[2021-03-25 05:14:37,494 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:14:37,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 21 transitions, 84 flow
[2021-03-25 05:14:37,494 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 21 transitions, 84 flow
[2021-03-25 05:14:37,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 21 transitions, 84 flow
[2021-03-25 05:14:37,498 INFO L129 PetriNetUnfolder]: 6/37 cut-off events.
[2021-03-25 05:14:37,498 INFO L130 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES.
[2021-03-25 05:14:37,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 37 events. 6/37 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 108 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 56. Up to 6 conditions per place.
[2021-03-25 05:14:37,498 INFO L142 LiptonReduction]: Number of co-enabled transitions 120
[2021-03-25 05:14:37,500 INFO L154 LiptonReduction]: Checked pairs total: 103
[2021-03-25 05:14:37,500 INFO L156 LiptonReduction]: Total number of compositions: 0
[2021-03-25 05:14:37,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6
[2021-03-25 05:14:37,501 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 84 flow
[2021-03-25 05:14:37,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,501 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:14:37,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:14:37,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-03-25 05:14:37,501 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:14:37,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:14:37,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2108314959, now seen corresponding path program 1 times
[2021-03-25 05:14:37,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:14:37,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345446124]
[2021-03-25 05:14:37,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:14:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-03-25 05:14:37,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:14:37,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-03-25 05:14:37,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-03-25 05:14:37,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-03-25 05:14:37,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-03-25 05:14:37,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345446124]
[2021-03-25 05:14:37,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-03-25 05:14:37,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-03-25 05:14:37,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211880834]
[2021-03-25 05:14:37,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-03-25 05:14:37,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-03-25 05:14:37,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-03-25 05:14:37,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-03-25 05:14:37,541 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 190
[2021-03-25 05:14:37,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2021-03-25 05:14:37,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 190
[2021-03-25 05:14:37,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2021-03-25 05:14:37,587 INFO L129 PetriNetUnfolder]: 21/71 cut-off events.
[2021-03-25 05:14:37,587 INFO L130 PetriNetUnfolder]: For 11/12 co-relation queries the response was YES.
[2021-03-25 05:14:37,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 71 events. 21/71 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 292 event pairs, 0 based on Foata normal form. 4/57 useless extension candidates. Maximal degree in co-relation 141. Up to 36 conditions per place.
[2021-03-25 05:14:37,589 INFO L132 encePairwiseOnDemand]: 185/190 looper letters, 3 selfloop transitions, 2 changer transitions 13/27 dead transitions.
[2021-03-25 05:14:37,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 27 transitions, 124 flow
[2021-03-25 05:14:37,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-03-25 05:14:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2021-03-25 05:14:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 786 transitions.
[2021-03-25 05:14:37,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8273684210526315
[2021-03-25 05:14:37,591 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 786 transitions.
[2021-03-25 05:14:37,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 786 transitions.
[2021-03-25 05:14:37,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-03-25 05:14:37,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 786 transitions.
[2021-03-25 05:14:37,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 157.2) internal successors, (786), 5 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,596 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,596 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 84 flow. Second operand 5 states and 786 transitions.
[2021-03-25 05:14:37,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 27 transitions, 124 flow
[2021-03-25 05:14:37,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 27 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places.
[2021-03-25 05:14:37,598 INFO L241 Difference]: Finished difference. Result has 35 places, 14 transitions, 68 flow
[2021-03-25 05:14:37,598 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=68, PETRI_PLACES=35, PETRI_TRANSITIONS=14}
[2021-03-25 05:14:37,598 INFO L343 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places.
[2021-03-25 05:14:37,599 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2021-03-25 05:14:37,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 14 transitions, 68 flow
[2021-03-25 05:14:37,601 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 14 transitions, 68 flow
[2021-03-25 05:14:37,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 14 transitions, 68 flow
[2021-03-25 05:14:37,605 INFO L129 PetriNetUnfolder]: 1/20 cut-off events.
[2021-03-25 05:14:37,605 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES.
[2021-03-25 05:14:37,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 20 events. 1/20 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 40. Up to 5 conditions per place.
[2021-03-25 05:14:37,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 36
[2021-03-25 05:14:37,728 INFO L154 LiptonReduction]: Checked pairs total: 80
[2021-03-25 05:14:37,728 INFO L156 LiptonReduction]: Total number of compositions: 2
[2021-03-25 05:14:37,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130
[2021-03-25 05:14:37,729 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 12 transitions, 64 flow
[2021-03-25 05:14:37,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-03-25 05:14:37,729 INFO L255 CegarLoopForPetriNet]: Found error trace
[2021-03-25 05:14:37,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-03-25 05:14:37,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-03-25 05:14:37,730 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-03-25 05:14:37,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-03-25 05:14:37,730 INFO L82 PathProgramCache]: Analyzing trace with hash 640285750, now seen corresponding path program 1 times
[2021-03-25 05:14:37,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-03-25 05:14:37,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010013144]
[2021-03-25 05:14:37,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-03-25 05:14:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-25 05:14:37,742 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-25 05:14:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-03-25 05:14:37,756 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-03-25 05:14:37,778 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-03-25 05:14:37,779 INFO L634 BasicCegarLoop]: Counterexample might be feasible
[2021-03-25 05:14:37,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-03-25 05:14:37,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:14:37 BasicIcfg
[2021-03-25 05:14:37,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-03-25 05:14:37,813 INFO L168 Benchmark]: Toolchain (without parser) took 4973.60 ms. Allocated memory was 364.9 MB in the beginning and 438.3 MB in the end (delta: 73.4 MB). Free memory was 328.2 MB in the beginning and 319.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 84.0 MB. Max. memory is 16.0 GB.
[2021-03-25 05:14:37,813 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 364.9 MB. Free memory was 346.2 MB in the beginning and 346.1 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-03-25 05:14:37,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.77 ms. Allocated memory is still 364.9 MB. Free memory was 328.0 MB in the beginning and 326.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB.
[2021-03-25 05:14:37,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.78 ms. Allocated memory is still 364.9 MB. Free memory was 326.8 MB in the beginning and 324.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-25 05:14:37,814 INFO L168 Benchmark]: Boogie Preprocessor took 30.54 ms. Allocated memory is still 364.9 MB. Free memory was 324.7 MB in the beginning and 323.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-03-25 05:14:37,815 INFO L168 Benchmark]: RCFGBuilder took 438.23 ms. Allocated memory is still 364.9 MB. Free memory was 323.6 MB in the beginning and 296.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB.
[2021-03-25 05:14:37,815 INFO L168 Benchmark]: TraceAbstraction took 3952.95 ms. Allocated memory was 364.9 MB in the beginning and 438.3 MB in the end (delta: 73.4 MB). Free memory was 295.3 MB in the beginning and 319.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.0 GB.
[2021-03-25 05:14:37,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.52 ms. Allocated memory is still 364.9 MB. Free memory was 346.2 MB in the beginning and 346.1 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 487.77 ms. Allocated memory is still 364.9 MB. Free memory was 328.0 MB in the beginning and 326.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 57.78 ms. Allocated memory is still 364.9 MB. Free memory was 326.8 MB in the beginning and 324.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 30.54 ms. Allocated memory is still 364.9 MB. Free memory was 324.7 MB in the beginning and 323.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* RCFGBuilder took 438.23 ms. Allocated memory is still 364.9 MB. Free memory was 323.6 MB in the beginning and 296.4 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 3952.95 ms. Allocated memory was 364.9 MB in the beginning and 438.3 MB in the end (delta: 73.4 MB). Free memory was 295.3 MB in the beginning and 319.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 1650.2ms, 93 PlacesBefore, 36 PlacesAfterwards, 95 TransitionsBefore, 38 TransitionsAfterwards, 2500 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 0 ChoiceCompositions, 75 TotalNumberOfCompositions, 1994 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1744, positive: 1719, positive conditional: 0, positive unconditional: 1719, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1255, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1255, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1744, positive: 480, positive conditional: 0, positive unconditional: 480, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 1255, unknown conditional: 0, unknown unconditional: 1255] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 943.8ms, 41 PlacesBefore, 27 PlacesAfterwards, 37 TransitionsBefore, 22 TransitionsAfterwards, 390 CoEnabledTransitionPairs, 4 FixpointIterations, 4 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 18 TotalNumberOfCompositions, 492 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 296, positive: 266, positive conditional: 0, positive unconditional: 266, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 99, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 296, positive: 172, positive conditional: 0, positive unconditional: 172, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 99, unknown conditional: 0, unknown unconditional: 99] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 370.0ms, 30 PlacesBefore, 29 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 134 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 218 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 91, positive conditional: 0, positive unconditional: 91, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 5.8ms, 31 PlacesBefore, 31 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 120 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 103 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 41, Positive conditional cache size: 0, Positive unconditional cache size: 41, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 128.3ms, 35 PlacesBefore, 26 PlacesAfterwards, 14 TransitionsBefore, 12 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 80 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5
- CounterExampleResult [Line: 690]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L697] 0 volatile int stoppingFlag;
[L698] 0 volatile int pendingIo;
[L699] 0 volatile int stoppingEvent;
[L700] 0 volatile int stopped;
[L755] 0 pthread_t t;
[L756] 0 pendingIo = 1
[L757] 0 stoppingFlag = 0
[L758] 0 stoppingEvent = 0
[L759] 0 stopped = 0
[L760] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0)
VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L734] 0 int status;
[L703] 0 int lsf = stoppingFlag;
VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0]
[L744] 1 stoppingFlag = 1
[L725] 1 int pending;
[L719] 1 pendingIo--
[L720] 1 int tmp = pendingIo;
VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=1]
[L722] 1 return tmp;
[L726] 1 pending = dec()
[L727] COND TRUE 1 pending == 0
[L729] 1 stoppingEvent = 1
VAL [pendingIo=0, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L748] 1 int lse = stoppingEvent;
VAL [pendingIo=0, stopped=0, stoppingEvent=1, stoppingFlag=1]
[L686] COND FALSE 1 !(!cond)
[L751] 1 stopped = 1
[L752] 1 return 0;
[L705] COND FALSE 0 !(\read(lsf))
[L709] 0 int lp = pendingIo;
VAL [pendingIo=0, stopped=1, stoppingEvent=1, stoppingFlag=1]
[L712] 0 pendingIo = lp + 1
[L715] 0 return 0;
[L735] 0 status = BCSP_IoIncrement()
[L736] COND TRUE 0 status == 0
[L689] COND TRUE 0 !(cond)
[L690] 0 reach_error()
VAL [pendingIo=1, stopped=1, stoppingEvent=1, stoppingFlag=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 3843.6ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 207.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1753.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 21 SDtfs, 11 SDslu, 11 SDs, 0 SdLazy, 32 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=1, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.6ms SsaConstructionTime, 61.0ms SatisfiabilityAnalysisTime, 183.3ms InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...