/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/safe015_pso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 06:40:02,132 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 06:40:02,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 06:40:02,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 06:40:02,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 06:40:02,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 06:40:02,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 06:40:02,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 06:40:02,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 06:40:02,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-04-18 06:40:02,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 06:40:02,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 06:40:02,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 06:40:02,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 06:40:02,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 06:40:02,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 06:40:02,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 06:40:02,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 06:40:02,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 06:40:02,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 06:40:02,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 06:40:02,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 06:40:02,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 06:40:02,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 06:40:02,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 06:40:02,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 06:40:02,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 06:40:02,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 06:40:02,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 06:40:02,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 06:40:02,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-18 06:40:02,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-04-18 06:40:02,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-18 06:40:02,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 06:40:02,184 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 06:40:02,199 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 06:40:02,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 06:40:02,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 06:40:02,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 06:40:02,201 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 06:40:02,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 06:40:02,202 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 06:40:02,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 06:40:02,202 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 06:40:02,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 06:40:02,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 06:40:02,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 06:40:02,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 06:40:02,203 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 06:40:02,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 06:40:02,203 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 06:40:02,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 06:40:02,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 06:40:02,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 06:40:02,204 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 06:40:02,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 06:40:02,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 06:40:02,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 06:40:02,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 06:40:02,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 06:40:02,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-18 06:40:02,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 06:40:02,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-04-18 06:40:02,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 06:40:02,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 06:40:02,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 06:40:02,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 06:40:02,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 06:40:02,502 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 06:40:02,502 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 06:40:02,503 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i
[2020-04-18 06:40:02,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd6d6b2a/b266f40869d2454699693a2dce2dcd80/FLAGbbaf50ba8
[2020-04-18 06:40:03,150 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 06:40:03,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.opt.i
[2020-04-18 06:40:03,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd6d6b2a/b266f40869d2454699693a2dce2dcd80/FLAGbbaf50ba8
[2020-04-18 06:40:03,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bd6d6b2a/b266f40869d2454699693a2dce2dcd80
[2020-04-18 06:40:03,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 06:40:03,443 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 06:40:03,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 06:40:03,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 06:40:03,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 06:40:03,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:40:03" (1/1) ...
[2020-04-18 06:40:03,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc0da08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:03, skipping insertion in model container
[2020-04-18 06:40:03,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:40:03" (1/1) ...
[2020-04-18 06:40:03,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 06:40:03,502 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 06:40:04,037 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 06:40:04,054 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 06:40:04,129 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 06:40:04,201 INFO L208 MainTranslator]: Completed translation
[2020-04-18 06:40:04,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04 WrapperNode
[2020-04-18 06:40:04,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 06:40:04,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 06:40:04,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 06:40:04,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 06:40:04,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 06:40:04,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 06:40:04,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 06:40:04,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 06:40:04,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (1/1) ...
[2020-04-18 06:40:04,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 06:40:04,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 06:40:04,275 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 06:40:04,276 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 06:40:04,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (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 06:40:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 06:40:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 06:40:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 06:40:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 06:40:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 06:40:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 06:40:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 06:40:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 06:40:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-18 06:40:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-18 06:40:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 06:40:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 06:40:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 06:40:04,350 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 06:40:04,742 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 06:40:04,742 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 06:40:04,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:40:04 BoogieIcfgContainer
[2020-04-18 06:40:04,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 06:40:04,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 06:40:04,749 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 06:40:04,751 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 06:40:04,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:40:03" (1/3) ...
[2020-04-18 06:40:04,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd788d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:40:04, skipping insertion in model container
[2020-04-18 06:40:04,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:40:04" (2/3) ...
[2020-04-18 06:40:04,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd788d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:40:04, skipping insertion in model container
[2020-04-18 06:40:04,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:40:04" (3/3) ...
[2020-04-18 06:40:04,755 INFO L109 eAbstractionObserver]: Analyzing ICFG safe015_pso.opt.i
[2020-04-18 06:40:04,764 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 06:40:04,764 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 06:40:04,771 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 06:40:04,772 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 06:40:04,805 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,805 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,805 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,807 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,807 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,807 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,808 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,808 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,809 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,810 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,810 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,810 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,812 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,812 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,813 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,813 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,818 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,819 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,819 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,819 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,836 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,837 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,837 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,837 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,839 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,840 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,840 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,840 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:40:04,864 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-18 06:40:04,881 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 06:40:04,882 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 06:40:04,882 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 06:40:04,882 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 06:40:04,882 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 06:40:04,882 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 06:40:04,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 06:40:04,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 06:40:04,898 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 69 transitions, 153 flow
[2020-04-18 06:40:05,390 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8471 states.
[2020-04-18 06:40:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8471 states.
[2020-04-18 06:40:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-04-18 06:40:05,425 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:05,427 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 06:40:05,427 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:05,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:05,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1532593683, now seen corresponding path program 1 times
[2020-04-18 06:40:05,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:05,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748807982]
[2020-04-18 06:40:05,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:05,970 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 06:40:05,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748807982]
[2020-04-18 06:40:05,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:05,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:40:05,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230795314]
[2020-04-18 06:40:05,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:40:05,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:05,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:40:05,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:40:05,997 INFO L87 Difference]: Start difference. First operand 8471 states. Second operand 7 states.
[2020-04-18 06:40:06,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:06,692 INFO L93 Difference]: Finished difference Result 18203 states and 62568 transitions.
[2020-04-18 06:40:06,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 06:40:06,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35
[2020-04-18 06:40:06,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:06,760 INFO L225 Difference]: With dead ends: 18203
[2020-04-18 06:40:06,761 INFO L226 Difference]: Without dead ends: 5701
[2020-04-18 06:40:06,763 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:40:06,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5701 states.
[2020-04-18 06:40:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5701 to 4693.
[2020-04-18 06:40:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4693 states.
[2020-04-18 06:40:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 15602 transitions.
[2020-04-18 06:40:07,219 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 15602 transitions. Word has length 35
[2020-04-18 06:40:07,220 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:07,221 INFO L479 AbstractCegarLoop]: Abstraction has 4693 states and 15602 transitions.
[2020-04-18 06:40:07,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:40:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 15602 transitions.
[2020-04-18 06:40:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2020-04-18 06:40:07,233 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:07,233 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, 1, 1]
[2020-04-18 06:40:07,233 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:07,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:07,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1078623240, now seen corresponding path program 1 times
[2020-04-18 06:40:07,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:07,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363527642]
[2020-04-18 06:40:07,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:07,461 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 06:40:07,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363527642]
[2020-04-18 06:40:07,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:07,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:40:07,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812335160]
[2020-04-18 06:40:07,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:40:07,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:07,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:40:07,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:40:07,474 INFO L87 Difference]: Start difference. First operand 4693 states and 15602 transitions. Second operand 7 states.
[2020-04-18 06:40:07,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:07,843 INFO L93 Difference]: Finished difference Result 6869 states and 22561 transitions.
[2020-04-18 06:40:07,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 06:40:07,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38
[2020-04-18 06:40:07,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:07,890 INFO L225 Difference]: With dead ends: 6869
[2020-04-18 06:40:07,891 INFO L226 Difference]: Without dead ends: 5417
[2020-04-18 06:40:07,903 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:40:07,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states.
[2020-04-18 06:40:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 4475.
[2020-04-18 06:40:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4475 states.
[2020-04-18 06:40:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4475 states to 4475 states and 14788 transitions.
[2020-04-18 06:40:08,253 INFO L78 Accepts]: Start accepts. Automaton has 4475 states and 14788 transitions. Word has length 38
[2020-04-18 06:40:08,255 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:08,255 INFO L479 AbstractCegarLoop]: Abstraction has 4475 states and 14788 transitions.
[2020-04-18 06:40:08,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:40:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 4475 states and 14788 transitions.
[2020-04-18 06:40:08,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-04-18 06:40:08,269 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:08,269 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, 1, 1, 1]
[2020-04-18 06:40:08,269 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:08,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:08,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1457479407, now seen corresponding path program 1 times
[2020-04-18 06:40:08,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:08,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419294382]
[2020-04-18 06:40:08,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:08,459 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 06:40:08,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419294382]
[2020-04-18 06:40:08,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:08,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:40:08,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047308161]
[2020-04-18 06:40:08,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:40:08,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:08,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:40:08,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:40:08,461 INFO L87 Difference]: Start difference. First operand 4475 states and 14788 transitions. Second operand 7 states.
[2020-04-18 06:40:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:08,807 INFO L93 Difference]: Finished difference Result 6357 states and 20768 transitions.
[2020-04-18 06:40:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 06:40:08,808 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39
[2020-04-18 06:40:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:08,855 INFO L225 Difference]: With dead ends: 6357
[2020-04-18 06:40:08,855 INFO L226 Difference]: Without dead ends: 5145
[2020-04-18 06:40:08,856 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:40:08,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states.
[2020-04-18 06:40:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 4184.
[2020-04-18 06:40:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4184 states.
[2020-04-18 06:40:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4184 states to 4184 states and 13749 transitions.
[2020-04-18 06:40:09,017 INFO L78 Accepts]: Start accepts. Automaton has 4184 states and 13749 transitions. Word has length 39
[2020-04-18 06:40:09,017 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:09,018 INFO L479 AbstractCegarLoop]: Abstraction has 4184 states and 13749 transitions.
[2020-04-18 06:40:09,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:40:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 4184 states and 13749 transitions.
[2020-04-18 06:40:09,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-04-18 06:40:09,029 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:09,030 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, 1, 1, 1, 1]
[2020-04-18 06:40:09,030 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:09,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:09,031 INFO L82 PathProgramCache]: Analyzing trace with hash -900130073, now seen corresponding path program 1 times
[2020-04-18 06:40:09,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:09,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037303011]
[2020-04-18 06:40:09,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:09,201 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 06:40:09,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037303011]
[2020-04-18 06:40:09,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:09,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 06:40:09,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488200314]
[2020-04-18 06:40:09,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-18 06:40:09,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:09,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 06:40:09,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 06:40:09,205 INFO L87 Difference]: Start difference. First operand 4184 states and 13749 transitions. Second operand 6 states.
[2020-04-18 06:40:09,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:09,442 INFO L93 Difference]: Finished difference Result 4504 states and 14705 transitions.
[2020-04-18 06:40:09,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 06:40:09,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40
[2020-04-18 06:40:09,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:09,458 INFO L225 Difference]: With dead ends: 4504
[2020-04-18 06:40:09,458 INFO L226 Difference]: Without dead ends: 3944
[2020-04-18 06:40:09,459 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-04-18 06:40:09,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states.
[2020-04-18 06:40:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3656.
[2020-04-18 06:40:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3656 states.
[2020-04-18 06:40:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 11985 transitions.
[2020-04-18 06:40:09,573 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 11985 transitions. Word has length 40
[2020-04-18 06:40:09,574 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:09,575 INFO L479 AbstractCegarLoop]: Abstraction has 3656 states and 11985 transitions.
[2020-04-18 06:40:09,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-18 06:40:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 11985 transitions.
[2020-04-18 06:40:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 06:40:09,584 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:09,584 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, 1, 1, 1, 1, 1]
[2020-04-18 06:40:09,584 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:09,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:09,585 INFO L82 PathProgramCache]: Analyzing trace with hash 51398341, now seen corresponding path program 1 times
[2020-04-18 06:40:09,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:09,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044101246]
[2020-04-18 06:40:09,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:09,704 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 06:40:09,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044101246]
[2020-04-18 06:40:09,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:09,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 06:40:09,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819829659]
[2020-04-18 06:40:09,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 06:40:09,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:09,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 06:40:09,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2020-04-18 06:40:09,707 INFO L87 Difference]: Start difference. First operand 3656 states and 11985 transitions. Second operand 8 states.
[2020-04-18 06:40:09,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:09,875 INFO L93 Difference]: Finished difference Result 6609 states and 21445 transitions.
[2020-04-18 06:40:09,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 06:40:09,875 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41
[2020-04-18 06:40:09,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:09,894 INFO L225 Difference]: With dead ends: 6609
[2020-04-18 06:40:09,894 INFO L226 Difference]: Without dead ends: 4632
[2020-04-18 06:40:09,894 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2020-04-18 06:40:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states.
[2020-04-18 06:40:09,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 3656.
[2020-04-18 06:40:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3656 states.
[2020-04-18 06:40:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3656 states and 11936 transitions.
[2020-04-18 06:40:10,014 INFO L78 Accepts]: Start accepts. Automaton has 3656 states and 11936 transitions. Word has length 41
[2020-04-18 06:40:10,015 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:10,015 INFO L479 AbstractCegarLoop]: Abstraction has 3656 states and 11936 transitions.
[2020-04-18 06:40:10,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 06:40:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3656 states and 11936 transitions.
[2020-04-18 06:40:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 06:40:10,025 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:10,026 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, 1, 1, 1, 1, 1]
[2020-04-18 06:40:10,026 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:10,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:10,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2076386273, now seen corresponding path program 2 times
[2020-04-18 06:40:10,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:10,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102744393]
[2020-04-18 06:40:10,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:10,462 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8
[2020-04-18 06:40:10,494 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 06:40:10,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102744393]
[2020-04-18 06:40:10,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:10,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 06:40:10,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651712683]
[2020-04-18 06:40:10,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 06:40:10,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:10,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 06:40:10,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2020-04-18 06:40:10,498 INFO L87 Difference]: Start difference. First operand 3656 states and 11936 transitions. Second operand 8 states.
[2020-04-18 06:40:10,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:10,628 INFO L93 Difference]: Finished difference Result 4716 states and 15155 transitions.
[2020-04-18 06:40:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 06:40:10,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41
[2020-04-18 06:40:10,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:10,640 INFO L225 Difference]: With dead ends: 4716
[2020-04-18 06:40:10,640 INFO L226 Difference]: Without dead ends: 2249
[2020-04-18 06:40:10,640 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2020-04-18 06:40:10,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states.
[2020-04-18 06:40:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 2057.
[2020-04-18 06:40:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2057 states.
[2020-04-18 06:40:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 6375 transitions.
[2020-04-18 06:40:10,700 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 6375 transitions. Word has length 41
[2020-04-18 06:40:10,700 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:10,700 INFO L479 AbstractCegarLoop]: Abstraction has 2057 states and 6375 transitions.
[2020-04-18 06:40:10,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 06:40:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 6375 transitions.
[2020-04-18 06:40:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-04-18 06:40:10,709 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:10,710 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, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:40:10,710 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:10,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:10,710 INFO L82 PathProgramCache]: Analyzing trace with hash 96261440, now seen corresponding path program 1 times
[2020-04-18 06:40:10,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:10,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539183941]
[2020-04-18 06:40:10,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:10,855 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 06:40:10,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539183941]
[2020-04-18 06:40:10,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:10,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 06:40:10,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801252649]
[2020-04-18 06:40:10,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-18 06:40:10,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:10,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 06:40:10,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 06:40:10,857 INFO L87 Difference]: Start difference. First operand 2057 states and 6375 transitions. Second operand 6 states.
[2020-04-18 06:40:10,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:10,981 INFO L93 Difference]: Finished difference Result 2534 states and 7733 transitions.
[2020-04-18 06:40:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 06:40:10,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42
[2020-04-18 06:40:10,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:10,990 INFO L225 Difference]: With dead ends: 2534
[2020-04-18 06:40:10,990 INFO L226 Difference]: Without dead ends: 1838
[2020-04-18 06:40:10,991 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-04-18 06:40:10,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states.
[2020-04-18 06:40:11,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838.
[2020-04-18 06:40:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states.
[2020-04-18 06:40:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 5580 transitions.
[2020-04-18 06:40:11,037 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 5580 transitions. Word has length 42
[2020-04-18 06:40:11,037 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:11,037 INFO L479 AbstractCegarLoop]: Abstraction has 1838 states and 5580 transitions.
[2020-04-18 06:40:11,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-18 06:40:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 5580 transitions.
[2020-04-18 06:40:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-04-18 06:40:11,041 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:11,041 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, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:40:11,042 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:11,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:11,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1641822891, now seen corresponding path program 1 times
[2020-04-18 06:40:11,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:11,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276737530]
[2020-04-18 06:40:11,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:11,141 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 06:40:11,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276737530]
[2020-04-18 06:40:11,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:11,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:40:11,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306549656]
[2020-04-18 06:40:11,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:40:11,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:11,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:40:11,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:40:11,143 INFO L87 Difference]: Start difference. First operand 1838 states and 5580 transitions. Second operand 7 states.
[2020-04-18 06:40:11,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:11,279 INFO L93 Difference]: Finished difference Result 1775 states and 5214 transitions.
[2020-04-18 06:40:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-04-18 06:40:11,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43
[2020-04-18 06:40:11,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:11,284 INFO L225 Difference]: With dead ends: 1775
[2020-04-18 06:40:11,285 INFO L226 Difference]: Without dead ends: 1227
[2020-04-18 06:40:11,285 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2020-04-18 06:40:11,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states.
[2020-04-18 06:40:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227.
[2020-04-18 06:40:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states.
[2020-04-18 06:40:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3514 transitions.
[2020-04-18 06:40:11,314 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3514 transitions. Word has length 43
[2020-04-18 06:40:11,314 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:11,314 INFO L479 AbstractCegarLoop]: Abstraction has 1227 states and 3514 transitions.
[2020-04-18 06:40:11,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:40:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3514 transitions.
[2020-04-18 06:40:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-04-18 06:40:11,317 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:40:11,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:40:11,317 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:40:11,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:40:11,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1594703724, now seen corresponding path program 1 times
[2020-04-18 06:40:11,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:40:11,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45462929]
[2020-04-18 06:40:11,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:40:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:40:11,428 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 06:40:11,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45462929]
[2020-04-18 06:40:11,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:40:11,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 06:40:11,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110827764]
[2020-04-18 06:40:11,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 06:40:11,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:40:11,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 06:40:11,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-04-18 06:40:11,430 INFO L87 Difference]: Start difference. First operand 1227 states and 3514 transitions. Second operand 8 states.
[2020-04-18 06:40:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:40:11,542 INFO L93 Difference]: Finished difference Result 795 states and 2191 transitions.
[2020-04-18 06:40:11,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 06:40:11,542 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45
[2020-04-18 06:40:11,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:40:11,543 INFO L225 Difference]: With dead ends: 795
[2020-04-18 06:40:11,543 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 06:40:11,544 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-04-18 06:40:11,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 06:40:11,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 06:40:11,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 06:40:11,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 06:40:11,545 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45
[2020-04-18 06:40:11,546 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:40:11,546 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 06:40:11,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 06:40:11,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 06:40:11,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 06:40:11,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:40:11 BasicIcfg
[2020-04-18 06:40:11,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 06:40:11,556 INFO L168 Benchmark]: Toolchain (without parser) took 8131.67 ms. Allocated memory was 145.2 MB in the beginning and 474.0 MB in the end (delta: 328.7 MB). Free memory was 100.9 MB in the beginning and 197.3 MB in the end (delta: -96.4 MB). Peak memory consumption was 232.3 MB. Max. memory is 7.1 GB.
[2020-04-18 06:40:11,556 INFO L168 Benchmark]: CDTParser took 1.48 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2020-04-18 06:40:11,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.48 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 98.9 MB in the beginning and 159.8 MB in the end (delta: -60.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB.
[2020-04-18 06:40:11,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.35 ms. Allocated memory is still 202.9 MB. Free memory was 159.8 MB in the beginning and 157.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-04-18 06:40:11,559 INFO L168 Benchmark]: Boogie Preprocessor took 24.15 ms. Allocated memory is still 202.9 MB. Free memory was 157.7 MB in the beginning and 156.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2020-04-18 06:40:11,560 INFO L168 Benchmark]: RCFGBuilder took 471.95 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 134.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
[2020-04-18 06:40:11,561 INFO L168 Benchmark]: TraceAbstraction took 6805.23 ms. Allocated memory was 202.9 MB in the beginning and 474.0 MB in the end (delta: 271.1 MB). Free memory was 134.1 MB in the beginning and 197.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 207.8 MB. Max. memory is 7.1 GB.
[2020-04-18 06:40:11,565 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.48 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 753.48 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 98.9 MB in the beginning and 159.8 MB in the end (delta: -60.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 48.35 ms. Allocated memory is still 202.9 MB. Free memory was 159.8 MB in the beginning and 157.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 24.15 ms. Allocated memory is still 202.9 MB. Free memory was 157.7 MB in the beginning and 156.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 471.95 ms. Allocated memory is still 202.9 MB. Free memory was 156.4 MB in the beginning and 134.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 6805.23 ms. Allocated memory was 202.9 MB in the beginning and 474.0 MB in the end (delta: 271.1 MB). Free memory was 134.1 MB in the beginning and 197.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 207.8 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 4 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.6s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 859 SDtfs, 1442 SDslu, 3030 SDs, 0 SdLazy, 472 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8471occurred 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: 1.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 4367 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 364 NumberOfCodeBlocks, 364 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 355 ConstructedInterpolants, 0 QuantifiedInterpolants, 61209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...