/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 06:27:17,754 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 06:27:17,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 06:27:17,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 06:27:17,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 06:27:17,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 06:27:17,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 06:27:17,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 06:27:17,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 06:27:17,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-04-18 06:27:17,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 06:27:17,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 06:27:17,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 06:27:17,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 06:27:17,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 06:27:17,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 06:27:17,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 06:27:17,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 06:27:17,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 06:27:17,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 06:27:17,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 06:27:17,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 06:27:17,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 06:27:17,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 06:27:17,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 06:27:17,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 06:27:17,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 06:27:17,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 06:27:17,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 06:27:17,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 06:27:17,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 06:27:17,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-18 06:27:17,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 06:27:17,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-04-18 06:27:17,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-18 06:27:17,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 06:27:17,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2020-04-18 06:27:17,837 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 06:27:17,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 06:27:17,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 06:27:17,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 06:27:17,841 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 06:27:17,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 06:27:17,842 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 06:27:17,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 06:27:17,842 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 06:27:17,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 06:27:17,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 06:27:17,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 06:27:17,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 06:27:17,844 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 06:27:17,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 06:27:17,845 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 06:27:17,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 06:27:17,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 06:27:17,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 06:27:17,845 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 06:27:17,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 06:27:17,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 06:27:17,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 06:27:17,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 06:27:17,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 06:27:17,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-18 06:27:17,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 06:27:17,848 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-04-18 06:27:17,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 06:27:17,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 06:27:18,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 06:27:18,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 06:27:18,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 06:27:18,196 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 06:27:18,197 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 06:27:18,198 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i
[2020-04-18 06:27:18,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e0edc2d/fcb34e49c3644dfdb1e61b23df1fbcff/FLAGa94534823
[2020-04-18 06:27:18,837 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 06:27:18,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.opt.i
[2020-04-18 06:27:18,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e0edc2d/fcb34e49c3644dfdb1e61b23df1fbcff/FLAGa94534823
[2020-04-18 06:27:19,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53e0edc2d/fcb34e49c3644dfdb1e61b23df1fbcff
[2020-04-18 06:27:19,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 06:27:19,150 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 06:27:19,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 06:27:19,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 06:27:19,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 06:27:19,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6b4f64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19, skipping insertion in model container
[2020-04-18 06:27:19,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 06:27:19,228 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 06:27:19,699 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 06:27:19,711 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 06:27:19,755 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 06:27:19,854 INFO L208 MainTranslator]: Completed translation
[2020-04-18 06:27:19,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19 WrapperNode
[2020-04-18 06:27:19,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 06:27:19,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 06:27:19,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 06:27:19,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 06:27:19,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 06:27:19,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 06:27:19,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 06:27:19,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 06:27:19,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (1/1) ...
[2020-04-18 06:27:19,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 06:27:19,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 06:27:19,979 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 06:27:19,979 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 06:27:19,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (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
[2020-04-18 06:27:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 06:27:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 06:27:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 06:27:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 06:27:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 06:27:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 06:27:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 06:27:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 06:27:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 06:27:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 06:27:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 06:27:20,040 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-18 06:27:20,386 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 06:27:20,387 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 06:27:20,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:27:20 BoogieIcfgContainer
[2020-04-18 06:27:20,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 06:27:20,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 06:27:20,393 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 06:27:20,395 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 06:27:20,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:27:19" (1/3) ...
[2020-04-18 06:27:20,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9b7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:27:20, skipping insertion in model container
[2020-04-18 06:27:20,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:27:19" (2/3) ...
[2020-04-18 06:27:20,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d9b7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:27:20, skipping insertion in model container
[2020-04-18 06:27:20,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:27:20" (3/3) ...
[2020-04-18 06:27:20,401 INFO L109 eAbstractionObserver]: Analyzing ICFG safe006_tso.opt.i
[2020-04-18 06:27:20,409 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 06:27:20,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 06:27:20,416 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 06:27:20,417 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 06:27:20,441 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,442 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,442 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,443 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,443 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,443 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,444 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,444 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,444 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,445 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,445 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,445 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,449 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,450 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,450 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,450 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,456 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,456 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,456 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,457 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:27:20,475 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-04-18 06:27:20,491 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 06:27:20,491 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 06:27:20,491 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 06:27:20,491 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 06:27:20,492 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 06:27:20,492 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 06:27:20,492 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 06:27:20,492 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 06:27:20,505 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 56 transitions, 122 flow
[2020-04-18 06:27:20,580 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1121 states.
[2020-04-18 06:27:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states.
[2020-04-18 06:27:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2020-04-18 06:27:20,602 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:27:20,603 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:27:20,604 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:27:20,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:27:20,610 INFO L82 PathProgramCache]: Analyzing trace with hash 441942769, now seen corresponding path program 1 times
[2020-04-18 06:27:20,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:27:20,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808052009]
[2020-04-18 06:27:20,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:27:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:27:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 06:27:21,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808052009]
[2020-04-18 06:27:21,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:27:21,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:27:21,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251204831]
[2020-04-18 06:27:21,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:27:21,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:27:21,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:27:21,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:27:21,138 INFO L87 Difference]: Start difference. First operand 1121 states. Second operand 7 states.
[2020-04-18 06:27:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:27:21,391 INFO L93 Difference]: Finished difference Result 1513 states and 3945 transitions.
[2020-04-18 06:27:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 06:27:21,393 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31
[2020-04-18 06:27:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:27:21,416 INFO L225 Difference]: With dead ends: 1513
[2020-04-18 06:27:21,416 INFO L226 Difference]: Without dead ends: 596
[2020-04-18 06:27:21,418 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2020-04-18 06:27:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states.
[2020-04-18 06:27:21,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596.
[2020-04-18 06:27:21,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states.
[2020-04-18 06:27:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1507 transitions.
[2020-04-18 06:27:21,522 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1507 transitions. Word has length 31
[2020-04-18 06:27:21,523 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:27:21,523 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 1507 transitions.
[2020-04-18 06:27:21,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:27:21,523 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1507 transitions.
[2020-04-18 06:27:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2020-04-18 06:27:21,527 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:27:21,527 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:27:21,528 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:27:21,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:27:21,528 INFO L82 PathProgramCache]: Analyzing trace with hash 256262898, now seen corresponding path program 1 times
[2020-04-18 06:27:21,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:27:21,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176816284]
[2020-04-18 06:27:21,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:27:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:27:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 06:27:21,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176816284]
[2020-04-18 06:27:21,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:27:21,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:27:21,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741260979]
[2020-04-18 06:27:21,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:27:21,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:27:21,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:27:21,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:27:21,747 INFO L87 Difference]: Start difference. First operand 596 states and 1507 transitions. Second operand 7 states.
[2020-04-18 06:27:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:27:21,903 INFO L93 Difference]: Finished difference Result 676 states and 1686 transitions.
[2020-04-18 06:27:21,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-04-18 06:27:21,904 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33
[2020-04-18 06:27:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:27:21,908 INFO L225 Difference]: With dead ends: 676
[2020-04-18 06:27:21,908 INFO L226 Difference]: Without dead ends: 536
[2020-04-18 06:27:21,909 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2020-04-18 06:27:21,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states.
[2020-04-18 06:27:21,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536.
[2020-04-18 06:27:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states.
[2020-04-18 06:27:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1339 transitions.
[2020-04-18 06:27:21,933 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1339 transitions. Word has length 33
[2020-04-18 06:27:21,933 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:27:21,933 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 1339 transitions.
[2020-04-18 06:27:21,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:27:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1339 transitions.
[2020-04-18 06:27:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-04-18 06:27:21,936 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:27:21,936 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:27:21,936 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:27:21,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:27:21,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1419898419, now seen corresponding path program 1 times
[2020-04-18 06:27:21,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:27:21,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491890834]
[2020-04-18 06:27:21,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:27:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:27:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 06:27:22,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491890834]
[2020-04-18 06:27:22,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:27:22,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:27:22,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999685088]
[2020-04-18 06:27:22,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:27:22,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:27:22,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:27:22,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:27:22,076 INFO L87 Difference]: Start difference. First operand 536 states and 1339 transitions. Second operand 7 states.
[2020-04-18 06:27:22,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:27:22,322 INFO L93 Difference]: Finished difference Result 811 states and 2029 transitions.
[2020-04-18 06:27:22,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-04-18 06:27:22,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35
[2020-04-18 06:27:22,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:27:22,326 INFO L225 Difference]: With dead ends: 811
[2020-04-18 06:27:22,326 INFO L226 Difference]: Without dead ends: 536
[2020-04-18 06:27:22,327 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182
[2020-04-18 06:27:22,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states.
[2020-04-18 06:27:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536.
[2020-04-18 06:27:22,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states.
[2020-04-18 06:27:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1332 transitions.
[2020-04-18 06:27:22,348 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1332 transitions. Word has length 35
[2020-04-18 06:27:22,348 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:27:22,348 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 1332 transitions.
[2020-04-18 06:27:22,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:27:22,348 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1332 transitions.
[2020-04-18 06:27:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-04-18 06:27:22,350 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:27:22,350 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:27:22,351 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:27:22,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:27:22,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1557492323, now seen corresponding path program 2 times
[2020-04-18 06:27:22,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:27:22,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554181509]
[2020-04-18 06:27:22,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:27:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:27:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 06:27:22,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554181509]
[2020-04-18 06:27:22,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:27:22,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 06:27:22,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312379592]
[2020-04-18 06:27:22,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 06:27:22,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:27:22,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 06:27:22,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-04-18 06:27:22,503 INFO L87 Difference]: Start difference. First operand 536 states and 1332 transitions. Second operand 8 states.
[2020-04-18 06:27:22,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:27:22,685 INFO L93 Difference]: Finished difference Result 746 states and 1845 transitions.
[2020-04-18 06:27:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-04-18 06:27:22,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35
[2020-04-18 06:27:22,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:27:22,689 INFO L225 Difference]: With dead ends: 746
[2020-04-18 06:27:22,689 INFO L226 Difference]: Without dead ends: 401
[2020-04-18 06:27:22,690 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:27:22,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states.
[2020-04-18 06:27:22,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401.
[2020-04-18 06:27:22,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states.
[2020-04-18 06:27:22,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 955 transitions.
[2020-04-18 06:27:22,702 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 955 transitions. Word has length 35
[2020-04-18 06:27:22,703 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:27:22,703 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 955 transitions.
[2020-04-18 06:27:22,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 06:27:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 955 transitions.
[2020-04-18 06:27:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-04-18 06:27:22,704 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:27:22,704 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:27:22,705 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:27:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:27:22,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1552303459, now seen corresponding path program 1 times
[2020-04-18 06:27:22,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:27:22,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482336660]
[2020-04-18 06:27:22,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:27:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:27:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 06:27:22,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482336660]
[2020-04-18 06:27:22,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:27:22,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:27:22,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937179183]
[2020-04-18 06:27:22,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:27:22,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:27:22,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:27:22,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:27:22,845 INFO L87 Difference]: Start difference. First operand 401 states and 955 transitions. Second operand 7 states.
[2020-04-18 06:27:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:27:23,017 INFO L93 Difference]: Finished difference Result 361 states and 853 transitions.
[2020-04-18 06:27:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-04-18 06:27:23,018 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36
[2020-04-18 06:27:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:27:23,019 INFO L225 Difference]: With dead ends: 361
[2020-04-18 06:27:23,019 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 06:27:23,020 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182
[2020-04-18 06:27:23,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 06:27:23,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 06:27:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 06:27:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 06:27:23,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36
[2020-04-18 06:27:23,022 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:27:23,022 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 06:27:23,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:27:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 06:27:23,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 06:27:23,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:27:23 BasicIcfg
[2020-04-18 06:27:23,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 06:27:23,034 INFO L168 Benchmark]: Toolchain (without parser) took 3898.32 ms. Allocated memory was 142.1 MB in the beginning and 243.8 MB in the end (delta: 101.7 MB). Free memory was 105.6 MB in the beginning and 117.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB.
[2020-04-18 06:27:23,035 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 142.1 MB. Free memory was 125.2 MB in the beginning and 125.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2020-04-18 06:27:23,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.25 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 103.6 MB in the beginning and 159.3 MB in the end (delta: -55.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB.
[2020-04-18 06:27:23,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.54 ms. Allocated memory is still 203.4 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2020-04-18 06:27:23,044 INFO L168 Benchmark]: Boogie Preprocessor took 40.19 ms. Allocated memory is still 203.4 MB. Free memory was 156.8 MB in the beginning and 155.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB.
[2020-04-18 06:27:23,045 INFO L168 Benchmark]: RCFGBuilder took 412.72 ms. Allocated memory is still 203.4 MB. Free memory was 155.6 MB in the beginning and 135.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB.
[2020-04-18 06:27:23,046 INFO L168 Benchmark]: TraceAbstraction took 2637.25 ms. Allocated memory was 203.4 MB in the beginning and 243.8 MB in the end (delta: 40.4 MB). Free memory was 135.5 MB in the beginning and 117.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 58.7 MB. Max. memory is 7.1 GB.
[2020-04-18 06:27:23,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.55 ms. Allocated memory is still 142.1 MB. Free memory was 125.2 MB in the beginning and 125.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 705.25 ms. Allocated memory was 142.1 MB in the beginning and 203.4 MB in the end (delta: 61.3 MB). Free memory was 103.6 MB in the beginning and 159.3 MB in the end (delta: -55.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 81.54 ms. Allocated memory is still 203.4 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 40.19 ms. Allocated memory is still 203.4 MB. Free memory was 156.8 MB in the beginning and 155.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 412.72 ms. Allocated memory is still 203.4 MB. Free memory was 155.6 MB in the beginning and 135.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2637.25 ms. Allocated memory was 203.4 MB in the beginning and 243.8 MB in the end (delta: 40.4 MB). Free memory was 135.5 MB in the beginning and 117.2 MB in the end (delta: 18.3 MB). Peak memory consumption was 58.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 342 SDtfs, 533 SDslu, 1230 SDs, 0 SdLazy, 144 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1121occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 23855 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 correct!
Received shutdown request...