/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-17 18:22:00,283 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-17 18:22:00,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-17 18:22:00,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-17 18:22:00,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-17 18:22:00,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-17 18:22:00,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-17 18:22:00,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-17 18:22:00,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-17 18:22:00,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-17 18:22:00,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-17 18:22:00,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-17 18:22:00,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-17 18:22:00,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-17 18:22:00,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-17 18:22:00,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-17 18:22:00,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-17 18:22:00,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-17 18:22:00,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-17 18:22:00,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-17 18:22:00,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-17 18:22:00,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-17 18:22:00,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-17 18:22:00,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-17 18:22:00,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-17 18:22:00,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-17 18:22:00,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-17 18:22:00,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-17 18:22:00,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-17 18:22:00,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-17 18:22:00,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-17 18:22:00,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-17 18:22:00,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-17 18:22:00,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-17 18:22:00,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-17 18:22:00,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-04-17 18:22:00,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-17 18:22:00,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-17 18:22:00,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-04-17 18:22:00,389 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-17 18:22:00,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-17 18:22:00,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-17 18:22:00,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-17 18:22:00,391 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-17 18:22:00,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-17 18:22:00,392 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-17 18:22:00,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-17 18:22:00,394 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-17 18:22:00,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-17 18:22:00,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-17 18:22:00,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-17 18:22:00,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-17 18:22:00,395 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-17 18:22:00,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-17 18:22:00,396 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-17 18:22:00,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-17 18:22:00,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-17 18:22:00,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-17 18:22:00,397 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-17 18:22:00,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-17 18:22:00,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 18:22:00,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-17 18:22:00,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-17 18:22:00,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-17 18:22:00,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-17 18:22:00,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-17 18:22:00,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-17 18:22:00,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-04-17 18:22:00,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-17 18:22:00,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-17 18:22:00,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-17 18:22:00,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-17 18:22:00,709 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-17 18:22:00,709 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-17 18:22:00,710 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
[2020-04-17 18:22:00,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80523c7b8/582e7c7643324e62b797e8d3865d9822/FLAGb5ae83097
[2020-04-17 18:22:01,410 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-17 18:22:01,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
[2020-04-17 18:22:01,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80523c7b8/582e7c7643324e62b797e8d3865d9822/FLAGb5ae83097
[2020-04-17 18:22:01,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80523c7b8/582e7c7643324e62b797e8d3865d9822
[2020-04-17 18:22:01,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-17 18:22:01,686 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-17 18:22:01,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-17 18:22:01,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-17 18:22:01,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-17 18:22:01,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:22:01" (1/1) ...
[2020-04-17 18:22:01,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70737331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:01, skipping insertion in model container
[2020-04-17 18:22:01,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 06:22:01" (1/1) ...
[2020-04-17 18:22:01,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-17 18:22:01,762 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-17 18:22:02,191 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 18:22:02,204 INFO L203 MainTranslator]: Completed pre-run
[2020-04-17 18:22:02,252 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 18:22:02,336 INFO L208 MainTranslator]: Completed translation
[2020-04-17 18:22:02,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02 WrapperNode
[2020-04-17 18:22:02,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-17 18:22:02,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-17 18:22:02,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-17 18:22:02,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-17 18:22:02,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-17 18:22:02,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-17 18:22:02,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-17 18:22:02,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-17 18:22:02,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (1/1) ...
[2020-04-17 18:22:02,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-17 18:22:02,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-17 18:22:02,419 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-17 18:22:02,419 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-17 18:22:02,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (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 18:22:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-17 18:22:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-17 18:22:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-17 18:22:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-17 18:22:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-17 18:22:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-17 18:22:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-17 18:22:02,487 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-17 18:22:02,487 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-17 18:22:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-17 18:22:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-17 18:22:02,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-17 18:22:02,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-17 18:22:02,490 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 18:22:02,904 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-17 18:22:02,904 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-17 18:22:02,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:22:02 BoogieIcfgContainer
[2020-04-17 18:22:02,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-17 18:22:02,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-17 18:22:02,910 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-17 18:22:02,913 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-17 18:22:02,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 06:22:01" (1/3) ...
[2020-04-17 18:22:02,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f66ea90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:22:02, skipping insertion in model container
[2020-04-17 18:22:02,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 06:22:02" (2/3) ...
[2020-04-17 18:22:02,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f66ea90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 06:22:02, skipping insertion in model container
[2020-04-17 18:22:02,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 06:22:02" (3/3) ...
[2020-04-17 18:22:02,917 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_power.oepc.i
[2020-04-17 18:22:02,928 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-17 18:22:02,928 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-17 18:22:02,937 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-17 18:22:02,938 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-17 18:22:02,965 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,966 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,966 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,968 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,969 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,969 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,970 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,970 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,970 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,970 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,971 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,971 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,972 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,972 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,972 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,972 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,973 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,973 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,978 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,978 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,978 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,979 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,989 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,990 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,990 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,990 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,997 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,998 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,998 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:02,998 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 18:22:03,011 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-17 18:22:03,033 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-17 18:22:03,033 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-17 18:22:03,033 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-17 18:22:03,034 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-17 18:22:03,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-17 18:22:03,034 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-17 18:22:03,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-17 18:22:03,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-17 18:22:03,055 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow
[2020-04-17 18:22:03,057 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 18:22:03,103 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 18:22:03,104 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 18:22:03,113 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 18:22:03,117 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 18:22:03,145 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 18:22:03,145 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 18:22:03,146 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 18:22:03,152 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-17 18:22:03,153 INFO L170 etLargeBlockEncoding]: Semantic Check.
[2020-04-17 18:22:04,635 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51
[2020-04-17 18:22:04,752 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315
[2020-04-17 18:22:04,753 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57
[2020-04-17 18:22:04,758 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-04-17 18:22:04,802 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-04-17 18:22:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states.
[2020-04-17 18:22:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-17 18:22:04,816 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 18:22:04,817 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 18:22:04,817 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 18:22:04,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 18:22:04,824 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times
[2020-04-17 18:22:04,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 18:22:04,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106056960]
[2020-04-17 18:22:04,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 18:22:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 18:22:05,025 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 18:22:05,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106056960]
[2020-04-17 18:22:05,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 18:22:05,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 18:22:05,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726087194]
[2020-04-17 18:22:05,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-04-17 18:22:05,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 18:22:05,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-04-17 18:22:05,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 18:22:05,051 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-04-17 18:22:05,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 18:22:05,085 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-04-17 18:22:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-04-17 18:22:05,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-04-17 18:22:05,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 18:22:05,105 INFO L225 Difference]: With dead ends: 362
[2020-04-17 18:22:05,105 INFO L226 Difference]: Without dead ends: 298
[2020-04-17 18:22:05,107 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 18:22:05,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-04-17 18:22:05,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-04-17 18:22:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-04-17 18:22:05,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-04-17 18:22:05,216 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-04-17 18:22:05,218 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 18:22:05,218 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-04-17 18:22:05,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-04-17 18:22:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-04-17 18:22:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-17 18:22:05,220 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 18:22:05,220 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 18:22:05,220 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 18:22:05,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 18:22:05,221 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times
[2020-04-17 18:22:05,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 18:22:05,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873360866]
[2020-04-17 18:22:05,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 18:22:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 18:22:05,320 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 18:22:05,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873360866]
[2020-04-17 18:22:05,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 18:22:05,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 18:22:05,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100135929]
[2020-04-17 18:22:05,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-17 18:22:05,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 18:22:05,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-17 18:22:05,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-17 18:22:05,326 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states.
[2020-04-17 18:22:05,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 18:22:05,358 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions.
[2020-04-17 18:22:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-17 18:22:05,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2020-04-17 18:22:05,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 18:22:05,365 INFO L225 Difference]: With dead ends: 217
[2020-04-17 18:22:05,365 INFO L226 Difference]: Without dead ends: 217
[2020-04-17 18:22:05,368 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:22:05,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2020-04-17 18:22:05,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2020-04-17 18:22:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states.
[2020-04-17 18:22:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions.
[2020-04-17 18:22:05,401 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9
[2020-04-17 18:22:05,401 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 18:22:05,401 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions.
[2020-04-17 18:22:05,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-17 18:22:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions.
[2020-04-17 18:22:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-17 18:22:05,407 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 18:22:05,407 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 18:22:05,407 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 18:22:05,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 18:22:05,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times
[2020-04-17 18:22:05,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 18:22:05,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266733940]
[2020-04-17 18:22:05,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 18:22:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 18:22:05,503 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 18:22:05,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266733940]
[2020-04-17 18:22:05,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 18:22:05,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 18:22:05,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449823726]
[2020-04-17 18:22:05,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 18:22:05,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 18:22:05,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 18:22:05,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-04-17 18:22:05,506 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states.
[2020-04-17 18:22:05,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 18:22:05,547 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions.
[2020-04-17 18:22:05,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-17 18:22:05,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-04-17 18:22:05,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 18:22:05,549 INFO L225 Difference]: With dead ends: 136
[2020-04-17 18:22:05,549 INFO L226 Difference]: Without dead ends: 136
[2020-04-17 18:22:05,549 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-04-17 18:22:05,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2020-04-17 18:22:05,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136.
[2020-04-17 18:22:05,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states.
[2020-04-17 18:22:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions.
[2020-04-17 18:22:05,556 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12
[2020-04-17 18:22:05,557 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 18:22:05,557 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions.
[2020-04-17 18:22:05,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 18:22:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions.
[2020-04-17 18:22:05,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-04-17 18:22:05,558 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 18:22:05,559 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 18:22:05,559 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 18:22:05,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 18:22:05,559 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times
[2020-04-17 18:22:05,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 18:22:05,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453051477]
[2020-04-17 18:22:05,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 18:22:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 18:22:05,622 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 18:22:05,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453051477]
[2020-04-17 18:22:05,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 18:22:05,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 18:22:05,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024406322]
[2020-04-17 18:22:05,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 18:22:05,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 18:22:05,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 18:22:05,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2020-04-17 18:22:05,624 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states.
[2020-04-17 18:22:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 18:22:05,666 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions.
[2020-04-17 18:22:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 18:22:05,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15
[2020-04-17 18:22:05,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 18:22:05,667 INFO L225 Difference]: With dead ends: 109
[2020-04-17 18:22:05,668 INFO L226 Difference]: Without dead ends: 109
[2020-04-17 18:22:05,668 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2020-04-17 18:22:05,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-04-17 18:22:05,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2020-04-17 18:22:05,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states.
[2020-04-17 18:22:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions.
[2020-04-17 18:22:05,673 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15
[2020-04-17 18:22:05,673 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 18:22:05,673 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions.
[2020-04-17 18:22:05,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 18:22:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions.
[2020-04-17 18:22:05,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-04-17 18:22:05,681 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 18:22:05,681 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 18:22:05,682 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 18:22:05,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 18:22:05,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times
[2020-04-17 18:22:05,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 18:22:05,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851886512]
[2020-04-17 18:22:05,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 18:22:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 18:22:05,774 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 18:22:05,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851886512]
[2020-04-17 18:22:05,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 18:22:05,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 18:22:05,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960018744]
[2020-04-17 18:22:05,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 18:22:05,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 18:22:05,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 18:22:05,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 18:22:05,777 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states.
[2020-04-17 18:22:05,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 18:22:05,817 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions.
[2020-04-17 18:22:05,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 18:22:05,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-04-17 18:22:05,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 18:22:05,819 INFO L225 Difference]: With dead ends: 135
[2020-04-17 18:22:05,819 INFO L226 Difference]: Without dead ends: 85
[2020-04-17 18:22:05,819 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-04-17 18:22:05,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2020-04-17 18:22:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2020-04-17 18:22:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2020-04-17 18:22:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 177 transitions.
[2020-04-17 18:22:05,828 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 177 transitions. Word has length 18
[2020-04-17 18:22:05,828 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 18:22:05,828 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 177 transitions.
[2020-04-17 18:22:05,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 18:22:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 177 transitions.
[2020-04-17 18:22:05,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-04-17 18:22:05,829 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 18:22:05,829 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 18:22:05,830 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 18:22:05,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 18:22:05,830 INFO L82 PathProgramCache]: Analyzing trace with hash -739037833, now seen corresponding path program 2 times
[2020-04-17 18:22:05,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 18:22:05,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149058187]
[2020-04-17 18:22:05,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 18:22:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 18:22:05,905 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 18:22:05,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149058187]
[2020-04-17 18:22:05,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 18:22:05,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 18:22:05,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726640576]
[2020-04-17 18:22:05,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 18:22:05,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 18:22:05,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 18:22:05,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 18:22:05,909 INFO L87 Difference]: Start difference. First operand 85 states and 177 transitions. Second operand 5 states.
[2020-04-17 18:22:05,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 18:22:05,953 INFO L93 Difference]: Finished difference Result 99 states and 199 transitions.
[2020-04-17 18:22:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 18:22:05,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-04-17 18:22:05,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 18:22:05,954 INFO L225 Difference]: With dead ends: 99
[2020-04-17 18:22:05,954 INFO L226 Difference]: Without dead ends: 37
[2020-04-17 18:22:05,955 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-04-17 18:22:05,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2020-04-17 18:22:05,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2020-04-17 18:22:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2020-04-17 18:22:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions.
[2020-04-17 18:22:05,957 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18
[2020-04-17 18:22:05,957 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 18:22:05,958 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions.
[2020-04-17 18:22:05,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 18:22:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions.
[2020-04-17 18:22:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-04-17 18:22:05,961 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 18:22:05,961 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 18:22:05,961 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 18:22:05,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 18:22:05,962 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times
[2020-04-17 18:22:05,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 18:22:05,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734926650]
[2020-04-17 18:22:05,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 18:22:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 18:22:06,065 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 18:22:06,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734926650]
[2020-04-17 18:22:06,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 18:22:06,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 18:22:06,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200033543]
[2020-04-17 18:22:06,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 18:22:06,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 18:22:06,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 18:22:06,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 18:22:06,081 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states.
[2020-04-17 18:22:06,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 18:22:06,112 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions.
[2020-04-17 18:22:06,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 18:22:06,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-04-17 18:22:06,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 18:22:06,113 INFO L225 Difference]: With dead ends: 36
[2020-04-17 18:22:06,113 INFO L226 Difference]: Without dead ends: 0
[2020-04-17 18:22:06,114 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-04-17 18:22:06,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-17 18:22:06,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-17 18:22:06,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-17 18:22:06,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-17 18:22:06,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2020-04-17 18:22:06,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 18:22:06,116 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-17 18:22:06,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 18:22:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-17 18:22:06,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-17 18:22:06,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 06:22:06 BasicIcfg
[2020-04-17 18:22:06,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-17 18:22:06,124 INFO L168 Benchmark]: Toolchain (without parser) took 4459.35 ms. Allocated memory was 139.5 MB in the beginning and 245.9 MB in the end (delta: 106.4 MB). Free memory was 102.6 MB in the beginning and 207.8 MB in the end (delta: -105.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB.
[2020-04-17 18:22:06,130 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-04-17 18:22:06,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.84 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 158.3 MB in the end (delta: -57.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
[2020-04-17 18:22:06,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.14 ms. Allocated memory is still 203.4 MB. Free memory was 158.3 MB in the beginning and 156.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-17 18:22:06,134 INFO L168 Benchmark]: Boogie Preprocessor took 28.00 ms. Allocated memory is still 203.4 MB. Free memory was 156.3 MB in the beginning and 155.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2020-04-17 18:22:06,135 INFO L168 Benchmark]: RCFGBuilder took 489.92 ms. Allocated memory is still 203.4 MB. Free memory was 155.0 MB in the beginning and 132.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
[2020-04-17 18:22:06,139 INFO L168 Benchmark]: TraceAbstraction took 3211.21 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 132.3 MB in the beginning and 207.8 MB in the end (delta: -75.4 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-04-17 18:22:06,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.54 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 647.84 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 158.3 MB in the end (delta: -57.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 52.14 ms. Allocated memory is still 203.4 MB. Free memory was 158.3 MB in the beginning and 156.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 28.00 ms. Allocated memory is still 203.4 MB. Free memory was 156.3 MB in the beginning and 155.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 489.92 ms. Allocated memory is still 203.4 MB. Free memory was 155.0 MB in the beginning and 132.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3211.21 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 132.3 MB in the beginning and 207.8 MB in the end (delta: -75.4 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.6s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 663 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2315 CheckedPairsTotal, 57 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 139 SDtfs, 90 SDslu, 214 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...