/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-17 22:05:23,049 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-17 22:05:23,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-17 22:05:23,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-17 22:05:23,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-17 22:05:23,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-17 22:05:23,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-17 22:05:23,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-17 22:05:23,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2020-04-17 22:05:23,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-17 22:05:23,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-17 22:05:23,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-17 22:05:23,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-17 22:05:23,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-17 22:05:23,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-17 22:05:23,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-17 22:05:23,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-17 22:05:23,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-17 22:05:23,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-17 22:05:23,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-17 22:05:23,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-17 22:05:23,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-17 22:05:23,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-17 22:05:23,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-17 22:05:23,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-17 22:05:23,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-17 22:05:23,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-17 22:05:23,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-17 22:05:23,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-17 22:05:23,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-17 22:05:23,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-17 22:05:23,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2020-04-17 22:05:23,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-17 22:05:23,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-17 22:05:23,107 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-SemanticLbe.epf
[2020-04-17 22:05:23,127 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-17 22:05:23,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-17 22:05:23,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-17 22:05:23,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-17 22:05:23,129 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-17 22:05:23,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-17 22:05:23,129 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-17 22:05:23,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-17 22:05:23,130 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-17 22:05:23,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-17 22:05:23,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-17 22:05:23,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-17 22:05:23,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-17 22:05:23,131 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-17 22:05:23,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-17 22:05:23,131 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-17 22:05:23,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-17 22:05:23,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-17 22:05:23,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-17 22:05:23,132 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-17 22:05:23,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-17 22:05:23,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 22:05:23,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-17 22:05:23,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-17 22:05:23,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-17 22:05:23,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-17 22:05:23,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-17 22:05:23,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-17 22:05:23,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-17 22:05:23,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-17 22:05:23,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-17 22:05:23,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-17 22:05:23,457 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-17 22:05:23,457 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-17 22:05:23,458 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc.i
[2020-04-17 22:05:23,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f6989b2/5d6c5b5bbab74fedbff6c8e4cef9e6bd/FLAGeb6751787
[2020-04-17 22:05:24,068 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-17 22:05:24,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc.i
[2020-04-17 22:05:24,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f6989b2/5d6c5b5bbab74fedbff6c8e4cef9e6bd/FLAGeb6751787
[2020-04-17 22:05:24,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0f6989b2/5d6c5b5bbab74fedbff6c8e4cef9e6bd
[2020-04-17 22:05:24,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-17 22:05:24,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-17 22:05:24,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-17 22:05:24,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-17 22:05:24,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-17 22:05:24,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:05:24" (1/1) ...
[2020-04-17 22:05:24,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e929f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:24, skipping insertion in model container
[2020-04-17 22:05:24,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:05:24" (1/1) ...
[2020-04-17 22:05:24,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-17 22:05:24,447 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-17 22:05:24,946 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:05:24,956 INFO L203 MainTranslator]: Completed pre-run
[2020-04-17 22:05:24,999 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:05:25,080 INFO L208 MainTranslator]: Completed translation
[2020-04-17 22:05:25,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25 WrapperNode
[2020-04-17 22:05:25,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-17 22:05:25,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-17 22:05:25,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-17 22:05:25,082 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-17 22:05:25,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-17 22:05:25,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-17 22:05:25,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-17 22:05:25,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-17 22:05:25,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (1/1) ...
[2020-04-17 22:05:25,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-17 22:05:25,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-17 22:05:25,166 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-17 22:05:25,167 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-17 22:05:25,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (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
[2020-04-17 22:05:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-17 22:05:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-17 22:05:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-17 22:05:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-17 22:05:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-17 22:05:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-17 22:05:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-17 22:05:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-17 22:05:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-17 22:05:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-17 22:05:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-17 22:05:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-17 22:05:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-17 22:05:25,236 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-17 22:05:25,612 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-17 22:05:25,612 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-17 22:05:25,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:05:25 BoogieIcfgContainer
[2020-04-17 22:05:25,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-17 22:05:25,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-17 22:05:25,619 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-17 22:05:25,622 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-17 22:05:25,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:05:24" (1/3) ...
[2020-04-17 22:05:25,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cc2c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:05:25, skipping insertion in model container
[2020-04-17 22:05:25,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:05:25" (2/3) ...
[2020-04-17 22:05:25,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cc2c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:05:25, skipping insertion in model container
[2020-04-17 22:05:25,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:05:25" (3/3) ...
[2020-04-17 22:05:25,627 INFO L109 eAbstractionObserver]: Analyzing ICFG safe014_pso.oepc.i
[2020-04-17 22:05:25,638 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-17 22:05:25,639 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-17 22:05:25,646 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-17 22:05:25,647 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-17 22:05:25,674 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,675 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,675 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,675 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,676 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,676 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,677 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,677 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,677 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,678 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,678 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,678 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,679 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,679 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,679 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,679 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,680 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,680 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,684 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,685 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,685 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,685 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,692 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,692 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,693 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,693 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,697 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,697 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,697 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,698 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:05:25,723 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-17 22:05:25,746 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-17 22:05:25,747 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-17 22:05:25,747 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-17 22:05:25,747 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-17 22:05:25,747 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-17 22:05:25,747 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-17 22:05:25,748 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-17 22:05:25,748 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-17 22:05:25,774 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow
[2020-04-17 22:05:25,777 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-17 22:05:25,827 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-17 22:05:25,827 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 22:05:25,832 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 22:05:25,835 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-17 22:05:25,856 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-17 22:05:25,856 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 22:05:25,857 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 22:05:25,859 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-17 22:05:25,860 INFO L170 etLargeBlockEncoding]: Semantic Check.
[2020-04-17 22:05:27,787 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44
[2020-04-17 22:05:27,841 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700
[2020-04-17 22:05:27,841 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59
[2020-04-17 22:05:27,845 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow
[2020-04-17 22:05:27,872 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states.
[2020-04-17 22:05:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states.
[2020-04-17 22:05:27,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-17 22:05:27,882 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:27,883 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:27,884 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:27,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:27,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times
[2020-04-17 22:05:27,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:27,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535356125]
[2020-04-17 22:05:27,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:28,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535356125]
[2020-04-17 22:05:28,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:28,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-04-17 22:05:28,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314675649]
[2020-04-17 22:05:28,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-17 22:05:28,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:28,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-17 22:05:28,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-17 22:05:28,123 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states.
[2020-04-17 22:05:28,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:28,177 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions.
[2020-04-17 22:05:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-17 22:05:28,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2020-04-17 22:05:28,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:28,196 INFO L225 Difference]: With dead ends: 282
[2020-04-17 22:05:28,196 INFO L226 Difference]: Without dead ends: 218
[2020-04-17 22:05:28,197 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-17 22:05:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2020-04-17 22:05:28,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218.
[2020-04-17 22:05:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states.
[2020-04-17 22:05:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions.
[2020-04-17 22:05:28,287 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8
[2020-04-17 22:05:28,288 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:28,288 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions.
[2020-04-17 22:05:28,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-17 22:05:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions.
[2020-04-17 22:05:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-17 22:05:28,289 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:28,289 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:28,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:28,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:28,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 1 times
[2020-04-17 22:05:28,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:28,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255534384]
[2020-04-17 22:05:28,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:28,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:28,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255534384]
[2020-04-17 22:05:28,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:28,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:05:28,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154429681]
[2020-04-17 22:05:28,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:05:28,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:28,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:05:28,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:05:28,418 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states.
[2020-04-17 22:05:28,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:28,461 INFO L93 Difference]: Finished difference Result 242 states and 634 transitions.
[2020-04-17 22:05:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-17 22:05:28,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9
[2020-04-17 22:05:28,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:28,465 INFO L225 Difference]: With dead ends: 242
[2020-04-17 22:05:28,466 INFO L226 Difference]: Without dead ends: 116
[2020-04-17 22:05:28,467 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:05:28,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2020-04-17 22:05:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116.
[2020-04-17 22:05:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states.
[2020-04-17 22:05:28,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 284 transitions.
[2020-04-17 22:05:28,490 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 284 transitions. Word has length 9
[2020-04-17 22:05:28,491 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:28,491 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 284 transitions.
[2020-04-17 22:05:28,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:05:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 284 transitions.
[2020-04-17 22:05:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-17 22:05:28,492 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:28,492 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:28,493 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:28,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:28,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 1 times
[2020-04-17 22:05:28,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:28,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112189290]
[2020-04-17 22:05:28,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:28,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112189290]
[2020-04-17 22:05:28,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:28,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:05:28,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027286392]
[2020-04-17 22:05:28,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:05:28,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:28,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:05:28,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:05:28,556 INFO L87 Difference]: Start difference. First operand 116 states and 284 transitions. Second operand 4 states.
[2020-04-17 22:05:28,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:28,590 INFO L93 Difference]: Finished difference Result 164 states and 394 transitions.
[2020-04-17 22:05:28,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-17 22:05:28,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11
[2020-04-17 22:05:28,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:28,592 INFO L225 Difference]: With dead ends: 164
[2020-04-17 22:05:28,592 INFO L226 Difference]: Without dead ends: 92
[2020-04-17 22:05:28,592 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:05:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2020-04-17 22:05:28,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2020-04-17 22:05:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states.
[2020-04-17 22:05:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 214 transitions.
[2020-04-17 22:05:28,601 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 214 transitions. Word has length 11
[2020-04-17 22:05:28,601 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:28,601 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 214 transitions.
[2020-04-17 22:05:28,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:05:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 214 transitions.
[2020-04-17 22:05:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-17 22:05:28,603 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:28,603 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:28,603 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:28,603 INFO L82 PathProgramCache]: Analyzing trace with hash -142823170, now seen corresponding path program 1 times
[2020-04-17 22:05:28,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:28,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531733428]
[2020-04-17 22:05:28,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:28,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531733428]
[2020-04-17 22:05:28,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:28,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 22:05:28,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248380218]
[2020-04-17 22:05:28,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:05:28,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:28,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:05:28,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:05:28,667 INFO L87 Difference]: Start difference. First operand 92 states and 214 transitions. Second operand 4 states.
[2020-04-17 22:05:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:28,689 INFO L93 Difference]: Finished difference Result 122 states and 275 transitions.
[2020-04-17 22:05:28,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:05:28,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-04-17 22:05:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:28,690 INFO L225 Difference]: With dead ends: 122
[2020-04-17 22:05:28,690 INFO L226 Difference]: Without dead ends: 68
[2020-04-17 22:05:28,691 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:05:28,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2020-04-17 22:05:28,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2020-04-17 22:05:28,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states.
[2020-04-17 22:05:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions.
[2020-04-17 22:05:28,696 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 12
[2020-04-17 22:05:28,697 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:28,697 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions.
[2020-04-17 22:05:28,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:05:28,697 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions.
[2020-04-17 22:05:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-04-17 22:05:28,698 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:28,698 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:28,698 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:28,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:28,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 1 times
[2020-04-17 22:05:28,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:28,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975609893]
[2020-04-17 22:05:28,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:28,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975609893]
[2020-04-17 22:05:28,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:28,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:05:28,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444356801]
[2020-04-17 22:05:28,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:05:28,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:28,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:05:28,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:05:28,789 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 4 states.
[2020-04-17 22:05:28,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:28,846 INFO L93 Difference]: Finished difference Result 81 states and 157 transitions.
[2020-04-17 22:05:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:05:28,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2020-04-17 22:05:28,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:28,848 INFO L225 Difference]: With dead ends: 81
[2020-04-17 22:05:28,848 INFO L226 Difference]: Without dead ends: 59
[2020-04-17 22:05:28,849 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:05:28,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2020-04-17 22:05:28,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2020-04-17 22:05:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states.
[2020-04-17 22:05:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 114 transitions.
[2020-04-17 22:05:28,855 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 114 transitions. Word has length 13
[2020-04-17 22:05:28,855 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:28,855 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 114 transitions.
[2020-04-17 22:05:28,855 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:05:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 114 transitions.
[2020-04-17 22:05:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-04-17 22:05:28,856 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:28,856 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:28,857 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:28,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:28,857 INFO L82 PathProgramCache]: Analyzing trace with hash 433937672, now seen corresponding path program 1 times
[2020-04-17 22:05:28,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:28,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977867905]
[2020-04-17 22:05:28,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:28,911 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977867905]
[2020-04-17 22:05:28,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:28,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 22:05:28,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826831523]
[2020-04-17 22:05:28,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 22:05:28,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:28,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 22:05:28,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:05:28,913 INFO L87 Difference]: Start difference. First operand 59 states and 114 transitions. Second operand 5 states.
[2020-04-17 22:05:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:28,964 INFO L93 Difference]: Finished difference Result 60 states and 104 transitions.
[2020-04-17 22:05:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-17 22:05:28,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2020-04-17 22:05:28,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:28,970 INFO L225 Difference]: With dead ends: 60
[2020-04-17 22:05:28,970 INFO L226 Difference]: Without dead ends: 45
[2020-04-17 22:05:28,971 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-04-17 22:05:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2020-04-17 22:05:28,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2020-04-17 22:05:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states.
[2020-04-17 22:05:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 74 transitions.
[2020-04-17 22:05:28,975 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 74 transitions. Word has length 14
[2020-04-17 22:05:28,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:28,975 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 74 transitions.
[2020-04-17 22:05:28,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 22:05:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions.
[2020-04-17 22:05:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-04-17 22:05:28,976 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:28,976 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:28,976 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:28,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:28,977 INFO L82 PathProgramCache]: Analyzing trace with hash 567169455, now seen corresponding path program 1 times
[2020-04-17 22:05:28,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:28,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202198848]
[2020-04-17 22:05:28,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:29,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202198848]
[2020-04-17 22:05:29,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:29,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 22:05:29,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734513689]
[2020-04-17 22:05:29,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-17 22:05:29,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:29,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-17 22:05:29,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-04-17 22:05:29,035 INFO L87 Difference]: Start difference. First operand 45 states and 74 transitions. Second operand 6 states.
[2020-04-17 22:05:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:29,090 INFO L93 Difference]: Finished difference Result 42 states and 66 transitions.
[2020-04-17 22:05:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-04-17 22:05:29,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15
[2020-04-17 22:05:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:29,092 INFO L225 Difference]: With dead ends: 42
[2020-04-17 22:05:29,092 INFO L226 Difference]: Without dead ends: 36
[2020-04-17 22:05:29,093 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-04-17 22:05:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2020-04-17 22:05:29,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2020-04-17 22:05:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2020-04-17 22:05:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 56 transitions.
[2020-04-17 22:05:29,096 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 56 transitions. Word has length 15
[2020-04-17 22:05:29,096 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:29,096 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 56 transitions.
[2020-04-17 22:05:29,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-17 22:05:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions.
[2020-04-17 22:05:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-04-17 22:05:29,097 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:05:29,098 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:05:29,098 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:05:29,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:05:29,098 INFO L82 PathProgramCache]: Analyzing trace with hash -412776350, now seen corresponding path program 1 times
[2020-04-17 22:05:29,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:05:29,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089213599]
[2020-04-17 22:05:29,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:05:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:05:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:05:29,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089213599]
[2020-04-17 22:05:29,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:05:29,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 22:05:29,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826318523]
[2020-04-17 22:05:29,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:05:29,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:05:29,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:05:29,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:05:29,136 INFO L87 Difference]: Start difference. First operand 36 states and 56 transitions. Second operand 4 states.
[2020-04-17 22:05:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:05:29,149 INFO L93 Difference]: Finished difference Result 35 states and 55 transitions.
[2020-04-17 22:05:29,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-17 22:05:29,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17
[2020-04-17 22:05:29,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:05:29,150 INFO L225 Difference]: With dead ends: 35
[2020-04-17 22:05:29,150 INFO L226 Difference]: Without dead ends: 0
[2020-04-17 22:05:29,150 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:05:29,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-17 22:05:29,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-17 22:05:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-17 22:05:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-17 22:05:29,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2020-04-17 22:05:29,151 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:05:29,151 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-17 22:05:29,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:05:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-17 22:05:29,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-17 22:05:29,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:05:29 BasicIcfg
[2020-04-17 22:05:29,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-17 22:05:29,159 INFO L168 Benchmark]: Toolchain (without parser) took 4796.24 ms. Allocated memory was 144.7 MB in the beginning and 250.6 MB in the end (delta: 105.9 MB). Free memory was 101.5 MB in the beginning and 174.2 MB in the end (delta: -72.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB.
[2020-04-17 22:05:29,160 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-04-17 22:05:29,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.70 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.6 MB in the beginning and 159.0 MB in the end (delta: -59.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB.
[2020-04-17 22:05:29,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 202.4 MB. Free memory was 159.0 MB in the beginning and 157.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-17 22:05:29,162 INFO L168 Benchmark]: Boogie Preprocessor took 29.96 ms. Allocated memory is still 202.4 MB. Free memory was 157.0 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-17 22:05:29,163 INFO L168 Benchmark]: RCFGBuilder took 451.00 ms. Allocated memory is still 202.4 MB. Free memory was 155.6 MB in the beginning and 133.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB.
[2020-04-17 22:05:29,164 INFO L168 Benchmark]: TraceAbstraction took 3538.38 ms. Allocated memory was 202.4 MB in the beginning and 250.6 MB in the end (delta: 48.2 MB). Free memory was 133.2 MB in the beginning and 174.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB.
[2020-04-17 22:05:29,168 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 701.70 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.6 MB in the beginning and 159.0 MB in the end (delta: -59.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 202.4 MB. Free memory was 159.0 MB in the beginning and 157.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 29.96 ms. Allocated memory is still 202.4 MB. Free memory was 157.0 MB in the beginning and 155.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 451.00 ms. Allocated memory is still 202.4 MB. Free memory was 155.6 MB in the beginning and 133.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3538.38 ms. Allocated memory was 202.4 MB in the beginning and 250.6 MB in the end (delta: 48.2 MB). Free memory was 133.2 MB in the beginning and 174.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 2.0s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 670 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 10 SemBasedMoverChecksPositive, 36 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2700 CheckedPairsTotal, 59 TotalNumberOfCompositions
- 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, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 138 SDtfs, 138 SDslu, 173 SDs, 0 SdLazy, 111 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...