/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 02:53:13,238 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 02:53:13,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 02:53:13,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 02:53:13,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 02:53:13,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 02:53:13,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 02:53:13,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 02:53:13,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 02:53:13,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-04-18 02:53:13,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 02:53:13,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 02:53:13,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 02:53:13,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 02:53:13,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 02:53:13,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 02:53:13,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 02:53:13,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 02:53:13,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 02:53:13,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 02:53:13,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 02:53:13,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 02:53:13,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 02:53:13,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 02:53:13,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 02:53:13,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-04-18 02:53:13,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-04-18 02:53:13,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 02:53:13,326 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-VariableLbe.epf
[2020-04-18 02:53:13,347 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 02:53:13,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 02:53:13,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 02:53:13,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 02:53:13,352 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 02:53:13,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 02:53:13,352 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 02:53:13,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 02:53:13,353 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 02:53:13,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 02:53:13,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 02:53:13,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 02:53:13,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 02:53:13,354 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 02:53:13,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 02:53:13,354 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 02:53:13,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 02:53:13,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 02:53:13,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 02:53:13,356 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 02:53:13,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 02:53:13,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 02:53:13,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 02:53:13,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 02:53:13,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 02:53:13,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-18 02:53:13,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 02:53:13,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-04-18 02:53:13,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 02:53:13,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 02:53:13,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 02:53:13,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 02:53:13,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 02:53:13,661 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 02:53:13,661 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 02:53:13,662 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc.i
[2020-04-18 02:53:13,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddff7c0d3/60fe211213224fd99eb7d1a09af05adc/FLAG53f4817e7
[2020-04-18 02:53:14,231 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 02:53:14,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc.i
[2020-04-18 02:53:14,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddff7c0d3/60fe211213224fd99eb7d1a09af05adc/FLAG53f4817e7
[2020-04-18 02:53:14,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddff7c0d3/60fe211213224fd99eb7d1a09af05adc
[2020-04-18 02:53:14,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 02:53:14,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 02:53:14,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 02:53:14,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 02:53:14,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 02:53:14,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:53:14" (1/1) ...
[2020-04-18 02:53:14,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1479c75e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:14, skipping insertion in model container
[2020-04-18 02:53:14,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:53:14" (1/1) ...
[2020-04-18 02:53:14,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 02:53:14,654 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 02:53:15,225 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 02:53:15,240 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 02:53:15,317 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 02:53:15,404 INFO L208 MainTranslator]: Completed translation
[2020-04-18 02:53:15,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15 WrapperNode
[2020-04-18 02:53:15,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 02:53:15,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 02:53:15,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 02:53:15,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 02:53:15,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 02:53:15,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 02:53:15,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 02:53:15,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 02:53:15,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
[2020-04-18 02:53:15,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 02:53:15,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 02:53:15,497 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 02:53:15,497 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 02:53:15,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 02:53:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 02:53:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 02:53:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 02:53:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 02:53:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 02:53:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 02:53:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 02:53:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 02:53:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-18 02:53:15,556 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-18 02:53:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 02:53:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 02:53:15,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 02:53:15,558 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-18 02:53:15,937 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 02:53:15,937 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 02:53:15,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:53:15 BoogieIcfgContainer
[2020-04-18 02:53:15,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 02:53:15,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 02:53:15,944 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 02:53:15,952 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 02:53:15,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:53:14" (1/3) ...
[2020-04-18 02:53:15,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674c1f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:53:15, skipping insertion in model container
[2020-04-18 02:53:15,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:15" (2/3) ...
[2020-04-18 02:53:15,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@674c1f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:53:15, skipping insertion in model container
[2020-04-18 02:53:15,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:53:15" (3/3) ...
[2020-04-18 02:53:15,960 INFO L109 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc.i
[2020-04-18 02:53:15,969 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 02:53:15,970 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 02:53:15,978 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 02:53:15,979 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 02:53:16,013 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,013 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,014 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,014 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,015 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,015 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,016 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,016 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,016 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,017 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,017 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,018 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,019 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,019 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,019 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,020 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,020 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,028 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,028 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,029 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,029 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,038 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,038 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,039 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,039 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,050 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,050 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,050 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,050 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:16,064 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-18 02:53:16,080 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 02:53:16,080 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 02:53:16,080 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 02:53:16,080 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 02:53:16,081 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 02:53:16,081 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 02:53:16,081 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 02:53:16,081 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 02:53:16,097 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow
[2020-04-18 02:53:16,100 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-18 02:53:16,144 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-18 02:53:16,145 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 02:53:16,150 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 49 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.
[2020-04-18 02:53:16,153 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow
[2020-04-18 02:53:16,174 INFO L129 PetriNetUnfolder]: 2/67 cut-off events.
[2020-04-18 02:53:16,175 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 02:53:16,175 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 49 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.
[2020-04-18 02:53:16,178 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-18 02:53:16,179 INFO L182 etLargeBlockEncoding]: Variable Check.
[2020-04-18 02:53:17,570 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49
[2020-04-18 02:53:17,798 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2414
[2020-04-18 02:53:17,798 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56
[2020-04-18 02:53:17,802 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 21 transitions, 57 flow
[2020-04-18 02:53:17,827 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states.
[2020-04-18 02:53:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states.
[2020-04-18 02:53:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-18 02:53:17,837 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:17,838 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:17,839 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:17,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:17,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1626757645, now seen corresponding path program 1 times
[2020-04-18 02:53:17,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:17,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902412890]
[2020-04-18 02:53:17,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:18,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902412890]
[2020-04-18 02:53:18,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:18,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-04-18 02:53:18,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280149848]
[2020-04-18 02:53:18,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-18 02:53:18,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:18,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 02:53:18,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 02:53:18,084 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states.
[2020-04-18 02:53:18,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:18,132 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions.
[2020-04-18 02:53:18,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-18 02:53:18,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8
[2020-04-18 02:53:18,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:18,150 INFO L225 Difference]: With dead ends: 266
[2020-04-18 02:53:18,150 INFO L226 Difference]: Without dead ends: 202
[2020-04-18 02:53:18,152 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
[2020-04-18 02:53:18,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states.
[2020-04-18 02:53:18,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202.
[2020-04-18 02:53:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states.
[2020-04-18 02:53:18,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 544 transitions.
[2020-04-18 02:53:18,220 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 544 transitions. Word has length 8
[2020-04-18 02:53:18,221 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:18,221 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 544 transitions.
[2020-04-18 02:53:18,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-18 02:53:18,221 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 544 transitions.
[2020-04-18 02:53:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-04-18 02:53:18,223 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:18,224 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:18,224 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:18,224 INFO L82 PathProgramCache]: Analyzing trace with hash -54559497, now seen corresponding path program 1 times
[2020-04-18 02:53:18,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:18,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440776966]
[2020-04-18 02:53:18,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:18,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440776966]
[2020-04-18 02:53:18,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:18,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 02:53:18,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72728518]
[2020-04-18 02:53:18,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-18 02:53:18,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:18,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-18 02:53:18,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-18 02:53:18,297 INFO L87 Difference]: Start difference. First operand 202 states and 544 transitions. Second operand 3 states.
[2020-04-18 02:53:18,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:18,320 INFO L93 Difference]: Finished difference Result 266 states and 704 transitions.
[2020-04-18 02:53:18,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-18 02:53:18,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2020-04-18 02:53:18,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:18,323 INFO L225 Difference]: With dead ends: 266
[2020-04-18 02:53:18,323 INFO L226 Difference]: Without dead ends: 140
[2020-04-18 02:53:18,324 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
[2020-04-18 02:53:18,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2020-04-18 02:53:18,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140.
[2020-04-18 02:53:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states.
[2020-04-18 02:53:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 362 transitions.
[2020-04-18 02:53:18,342 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 362 transitions. Word has length 10
[2020-04-18 02:53:18,342 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:18,342 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 362 transitions.
[2020-04-18 02:53:18,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-18 02:53:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 362 transitions.
[2020-04-18 02:53:18,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-04-18 02:53:18,344 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:18,344 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:18,344 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:18,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:18,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1691362226, now seen corresponding path program 1 times
[2020-04-18 02:53:18,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:18,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007771672]
[2020-04-18 02:53:18,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:18,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007771672]
[2020-04-18 02:53:18,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:18,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 02:53:18,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962198459]
[2020-04-18 02:53:18,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 02:53:18,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:18,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 02:53:18,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 02:53:18,478 INFO L87 Difference]: Start difference. First operand 140 states and 362 transitions. Second operand 4 states.
[2020-04-18 02:53:18,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:18,539 INFO L93 Difference]: Finished difference Result 165 states and 389 transitions.
[2020-04-18 02:53:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-18 02:53:18,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11
[2020-04-18 02:53:18,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:18,542 INFO L225 Difference]: With dead ends: 165
[2020-04-18 02:53:18,542 INFO L226 Difference]: Without dead ends: 113
[2020-04-18 02:53:18,543 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
[2020-04-18 02:53:18,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2020-04-18 02:53:18,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2020-04-18 02:53:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states.
[2020-04-18 02:53:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 257 transitions.
[2020-04-18 02:53:18,562 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 257 transitions. Word has length 11
[2020-04-18 02:53:18,563 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:18,563 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 257 transitions.
[2020-04-18 02:53:18,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 02:53:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 257 transitions.
[2020-04-18 02:53:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-18 02:53:18,565 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:18,565 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:18,566 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:18,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:18,566 INFO L82 PathProgramCache]: Analyzing trace with hash -891715752, now seen corresponding path program 1 times
[2020-04-18 02:53:18,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:18,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95970219]
[2020-04-18 02:53:18,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:18,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95970219]
[2020-04-18 02:53:18,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:18,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 02:53:18,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971790122]
[2020-04-18 02:53:18,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-18 02:53:18,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:18,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-18 02:53:18,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-04-18 02:53:18,679 INFO L87 Difference]: Start difference. First operand 113 states and 257 transitions. Second operand 5 states.
[2020-04-18 02:53:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:18,729 INFO L93 Difference]: Finished difference Result 111 states and 232 transitions.
[2020-04-18 02:53:18,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-18 02:53:18,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12
[2020-04-18 02:53:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:18,733 INFO L225 Difference]: With dead ends: 111
[2020-04-18 02:53:18,733 INFO L226 Difference]: Without dead ends: 80
[2020-04-18 02:53:18,733 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
[2020-04-18 02:53:18,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2020-04-18 02:53:18,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2020-04-18 02:53:18,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states.
[2020-04-18 02:53:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 159 transitions.
[2020-04-18 02:53:18,740 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 159 transitions. Word has length 12
[2020-04-18 02:53:18,741 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:18,741 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 159 transitions.
[2020-04-18 02:53:18,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-18 02:53:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 159 transitions.
[2020-04-18 02:53:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-04-18 02:53:18,742 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:18,742 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:18,742 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:18,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:18,743 INFO L82 PathProgramCache]: Analyzing trace with hash 2053094164, now seen corresponding path program 1 times
[2020-04-18 02:53:18,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:18,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191235666]
[2020-04-18 02:53:18,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:18,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191235666]
[2020-04-18 02:53:18,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:18,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-18 02:53:18,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859169203]
[2020-04-18 02:53:18,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-18 02:53:18,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:18,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 02:53:18,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-04-18 02:53:18,816 INFO L87 Difference]: Start difference. First operand 80 states and 159 transitions. Second operand 6 states.
[2020-04-18 02:53:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:18,898 INFO L93 Difference]: Finished difference Result 75 states and 147 transitions.
[2020-04-18 02:53:18,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-04-18 02:53:18,899 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14
[2020-04-18 02:53:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:18,900 INFO L225 Difference]: With dead ends: 75
[2020-04-18 02:53:18,900 INFO L226 Difference]: Without dead ends: 66
[2020-04-18 02:53:18,901 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
[2020-04-18 02:53:18,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2020-04-18 02:53:18,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2020-04-18 02:53:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states.
[2020-04-18 02:53:18,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 131 transitions.
[2020-04-18 02:53:18,906 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 131 transitions. Word has length 14
[2020-04-18 02:53:18,907 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:18,907 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 131 transitions.
[2020-04-18 02:53:18,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-18 02:53:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions.
[2020-04-18 02:53:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-04-18 02:53:18,908 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:18,908 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:18,909 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:18,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:18,909 INFO L82 PathProgramCache]: Analyzing trace with hash -913032564, now seen corresponding path program 1 times
[2020-04-18 02:53:18,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:18,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513700721]
[2020-04-18 02:53:18,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:18,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513700721]
[2020-04-18 02:53:18,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:18,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 02:53:18,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003855121]
[2020-04-18 02:53:18,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 02:53:18,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:18,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 02:53:18,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-04-18 02:53:18,955 INFO L87 Difference]: Start difference. First operand 66 states and 131 transitions. Second operand 4 states.
[2020-04-18 02:53:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:18,988 INFO L93 Difference]: Finished difference Result 85 states and 165 transitions.
[2020-04-18 02:53:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-18 02:53:18,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17
[2020-04-18 02:53:18,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:18,990 INFO L225 Difference]: With dead ends: 85
[2020-04-18 02:53:18,990 INFO L226 Difference]: Without dead ends: 48
[2020-04-18 02:53:18,990 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
[2020-04-18 02:53:18,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2020-04-18 02:53:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2020-04-18 02:53:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states.
[2020-04-18 02:53:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 83 transitions.
[2020-04-18 02:53:18,994 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 83 transitions. Word has length 17
[2020-04-18 02:53:18,994 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:18,994 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 83 transitions.
[2020-04-18 02:53:18,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 02:53:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions.
[2020-04-18 02:53:18,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-04-18 02:53:18,996 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:18,996 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:18,996 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:18,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:18,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1376526520, now seen corresponding path program 2 times
[2020-04-18 02:53:18,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:18,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558462973]
[2020-04-18 02:53:18,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:19,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558462973]
[2020-04-18 02:53:19,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:19,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 02:53:19,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512976114]
[2020-04-18 02:53:19,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 02:53:19,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:19,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 02:53:19,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 02:53:19,038 INFO L87 Difference]: Start difference. First operand 48 states and 83 transitions. Second operand 4 states.
[2020-04-18 02:53:19,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:19,050 INFO L93 Difference]: Finished difference Result 47 states and 82 transitions.
[2020-04-18 02:53:19,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-18 02:53:19,051 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17
[2020-04-18 02:53:19,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:19,051 INFO L225 Difference]: With dead ends: 47
[2020-04-18 02:53:19,051 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 02:53:19,052 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-18 02:53:19,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 02:53:19,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 02:53:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 02:53:19,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 02:53:19,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2020-04-18 02:53:19,053 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:19,053 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 02:53:19,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 02:53:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 02:53:19,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 02:53:19,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:53:19 BasicIcfg
[2020-04-18 02:53:19,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 02:53:19,061 INFO L168 Benchmark]: Toolchain (without parser) took 4489.81 ms. Allocated memory was 145.8 MB in the beginning and 246.9 MB in the end (delta: 101.2 MB). Free memory was 101.3 MB in the beginning and 203.4 MB in the end (delta: -102.1 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-04-18 02:53:19,062 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-04-18 02:53:19,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.58 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 99.4 MB in the beginning and 160.7 MB in the end (delta: -61.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:19,064 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.52 ms. Allocated memory is still 204.5 MB. Free memory was 160.7 MB in the beginning and 158.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:19,064 INFO L168 Benchmark]: Boogie Preprocessor took 30.95 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 157.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:19,065 INFO L168 Benchmark]: RCFGBuilder took 445.31 ms. Allocated memory is still 204.5 MB. Free memory was 157.3 MB in the beginning and 134.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:19,066 INFO L168 Benchmark]: TraceAbstraction took 3115.23 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 134.8 MB in the beginning and 203.4 MB in the end (delta: -68.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-04-18 02:53:19,070 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 816.58 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 99.4 MB in the beginning and 160.7 MB in the end (delta: -61.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 59.52 ms. Allocated memory is still 204.5 MB. Free memory was 160.7 MB in the beginning and 158.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 30.95 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 157.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 445.31 ms. Allocated memory is still 204.5 MB. Free memory was 157.3 MB in the beginning and 134.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3115.23 ms. Allocated memory was 204.5 MB in the beginning and 246.9 MB in the end (delta: 42.5 MB). Free memory was 134.8 MB in the beginning and 203.4 MB in the end (delta: -68.6 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: 1.7s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 21 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 626 VarBasedMoverChecksPositive, 24 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2414 CheckedPairsTotal, 56 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: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 140 SDtfs, 119 SDslu, 161 SDs, 0 SdLazy, 104 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 2740 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...