/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/sync01.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-17 14:30:39,065 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-17 14:30:39,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-17 14:30:39,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-17 14:30:39,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-17 14:30:39,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-17 14:30:39,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-17 14:30:39,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-17 14:30:39,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-17 14:30:39,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-17 14:30:39,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-17 14:30:39,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-17 14:30:39,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-17 14:30:39,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-17 14:30:39,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-17 14:30:39,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-17 14:30:39,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-17 14:30:39,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-17 14:30:39,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-17 14:30:39,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-17 14:30:39,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-17 14:30:39,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-17 14:30:39,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-17 14:30:39,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-17 14:30:39,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-17 14:30:39,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-17 14:30:39,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-17 14:30:39,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-17 14:30:39,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-17 14:30:39,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-17 14:30:39,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-17 14:30:39,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-17 14:30:39,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-04-17 14:30:39,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-04-17 14:30:39,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-17 14:30:39,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-17 14:30:39,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-04-17 14:30:39,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-04-17 14:30:39,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-04-17 14:30:39,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-04-17 14:30:39,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-17 14:30:39,150 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 14:30:39,170 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-17 14:30:39,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-17 14:30:39,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-17 14:30:39,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-17 14:30:39,173 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-17 14:30:39,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-17 14:30:39,173 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-17 14:30:39,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-17 14:30:39,174 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-17 14:30:39,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-17 14:30:39,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-17 14:30:39,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-17 14:30:39,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-17 14:30:39,176 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-17 14:30:39,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-17 14:30:39,176 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-17 14:30:39,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-17 14:30:39,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-17 14:30:39,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-17 14:30:39,177 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-17 14:30:39,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-17 14:30:39,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 14:30:39,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-17 14:30:39,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-17 14:30:39,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-17 14:30:39,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-17 14:30:39,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-17 14:30:39,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-17 14:30:39,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-04-17 14:30:39,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-17 14:30:39,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-17 14:30:39,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-17 14:30:39,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-17 14:30:39,474 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-17 14:30:39,474 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-17 14:30:39,475 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i
[2020-04-17 14:30:39,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d218b831/c3abd2efce30454c9268f40930db4fb3/FLAG9c8c2d6bf
[2020-04-17 14:30:40,137 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-17 14:30:40,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i
[2020-04-17 14:30:40,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d218b831/c3abd2efce30454c9268f40930db4fb3/FLAG9c8c2d6bf
[2020-04-17 14:30:40,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d218b831/c3abd2efce30454c9268f40930db4fb3
[2020-04-17 14:30:40,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-17 14:30:40,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-17 14:30:40,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-17 14:30:40,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-17 14:30:40,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-17 14:30:40,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 02:30:40" (1/1) ...
[2020-04-17 14:30:40,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d6a74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:40, skipping insertion in model container
[2020-04-17 14:30:40,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 02:30:40" (1/1) ...
[2020-04-17 14:30:40,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-17 14:30:40,456 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-17 14:30:41,007 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 14:30:41,027 INFO L203 MainTranslator]: Completed pre-run
[2020-04-17 14:30:41,073 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 14:30:41,248 INFO L208 MainTranslator]: Completed translation
[2020-04-17 14:30:41,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41 WrapperNode
[2020-04-17 14:30:41,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-17 14:30:41,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-17 14:30:41,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-17 14:30:41,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-17 14:30:41,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-17 14:30:41,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-17 14:30:41,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-17 14:30:41,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-17 14:30:41,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (1/1) ...
[2020-04-17 14:30:41,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-17 14:30:41,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-17 14:30:41,399 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-17 14:30:41,399 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-17 14:30:41,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (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 14:30:41,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-17 14:30:41,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-17 14:30:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-04-17 14:30:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2020-04-17 14:30:41,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2020-04-17 14:30:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2020-04-17 14:30:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2020-04-17 14:30:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-17 14:30:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2020-04-17 14:30:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-04-17 14:30:41,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-17 14:30:41,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-17 14:30:41,482 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 14:30:41,910 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-17 14:30:41,911 INFO L295 CfgBuilder]: Removed 6 assume(true) statements.
[2020-04-17 14:30:41,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 02:30:41 BoogieIcfgContainer
[2020-04-17 14:30:41,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-17 14:30:41,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-17 14:30:41,917 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-17 14:30:41,920 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-17 14:30:41,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 02:30:40" (1/3) ...
[2020-04-17 14:30:41,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12aa8e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 02:30:41, skipping insertion in model container
[2020-04-17 14:30:41,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 02:30:41" (2/3) ...
[2020-04-17 14:30:41,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12aa8e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 02:30:41, skipping insertion in model container
[2020-04-17 14:30:41,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 02:30:41" (3/3) ...
[2020-04-17 14:30:41,929 INFO L109 eAbstractionObserver]: Analyzing ICFG sync01.i
[2020-04-17 14:30:41,940 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-17 14:30:41,941 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-17 14:30:41,950 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-17 14:30:41,951 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-17 14:30:41,998 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:41,998 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:41,999 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:41,999 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,000 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,001 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,001 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,001 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,002 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,002 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,002 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,003 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,003 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,003 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,004 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,004 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,004 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,004 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,005 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,005 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,006 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,006 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,006 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,007 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,007 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,008 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,013 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,013 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,014 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,014 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,014 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,015 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,016 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,025 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,025 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,025 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,026 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,026 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,026 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,026 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 14:30:42,059 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-04-17 14:30:42,076 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-17 14:30:42,076 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-17 14:30:42,077 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-17 14:30:42,077 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-17 14:30:42,077 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-17 14:30:42,077 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-17 14:30:42,077 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-17 14:30:42,077 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-17 14:30:42,094 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 91 transitions, 204 flow
[2020-04-17 14:30:42,096 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 91 transitions, 204 flow
[2020-04-17 14:30:42,153 INFO L129 PetriNetUnfolder]: 6/91 cut-off events.
[2020-04-17 14:30:42,153 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2020-04-17 14:30:42,159 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 91 events. 6/91 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place.
[2020-04-17 14:30:42,162 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 91 transitions, 204 flow
[2020-04-17 14:30:42,223 INFO L129 PetriNetUnfolder]: 6/91 cut-off events.
[2020-04-17 14:30:42,225 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2020-04-17 14:30:42,226 INFO L80 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 91 events. 6/91 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 55. Up to 3 conditions per place.
[2020-04-17 14:30:42,228 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 840
[2020-04-17 14:30:42,229 INFO L170 etLargeBlockEncoding]: Semantic Check.
[2020-04-17 14:30:44,288 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 98
[2020-04-17 14:30:44,402 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94
[2020-04-17 14:30:44,602 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82
[2020-04-17 14:30:45,392 WARN L192 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 147
[2020-04-17 14:30:45,666 WARN L192 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 141
[2020-04-17 14:30:45,676 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2359
[2020-04-17 14:30:45,677 INFO L214 etLargeBlockEncoding]: Total number of compositions: 67
[2020-04-17 14:30:45,680 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow
[2020-04-17 14:30:45,700 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 198 states.
[2020-04-17 14:30:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states.
[2020-04-17 14:30:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-04-17 14:30:45,714 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 14:30:45,715 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 14:30:45,716 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 14:30:45,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 14:30:45,722 INFO L82 PathProgramCache]: Analyzing trace with hash -495198352, now seen corresponding path program 1 times
[2020-04-17 14:30:45,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 14:30:45,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877659449]
[2020-04-17 14:30:45,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 14:30:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 14:30:45,928 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 14:30:45,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877659449]
[2020-04-17 14:30:45,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 14:30:45,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 14:30:45,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36567262]
[2020-04-17 14:30:45,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-04-17 14:30:45,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 14:30:45,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-04-17 14:30:45,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 14:30:45,957 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 2 states.
[2020-04-17 14:30:45,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 14:30:45,984 INFO L93 Difference]: Finished difference Result 198 states and 455 transitions.
[2020-04-17 14:30:45,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-04-17 14:30:45,986 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15
[2020-04-17 14:30:45,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 14:30:46,003 INFO L225 Difference]: With dead ends: 198
[2020-04-17 14:30:46,003 INFO L226 Difference]: Without dead ends: 197
[2020-04-17 14:30:46,004 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 14:30:46,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2020-04-17 14:30:46,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197.
[2020-04-17 14:30:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states.
[2020-04-17 14:30:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 454 transitions.
[2020-04-17 14:30:46,102 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 454 transitions. Word has length 15
[2020-04-17 14:30:46,105 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 14:30:46,106 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 454 transitions.
[2020-04-17 14:30:46,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-04-17 14:30:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 454 transitions.
[2020-04-17 14:30:46,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-04-17 14:30:46,116 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 14:30:46,116 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 14:30:46,117 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 14:30:46,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 14:30:46,118 INFO L82 PathProgramCache]: Analyzing trace with hash 279879984, now seen corresponding path program 1 times
[2020-04-17 14:30:46,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 14:30:46,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746411466]
[2020-04-17 14:30:46,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 14:30:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 14:30:46,300 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 14:30:46,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746411466]
[2020-04-17 14:30:46,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 14:30:46,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 14:30:46,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333908196]
[2020-04-17 14:30:46,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-17 14:30:46,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 14:30:46,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-17 14:30:46,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-17 14:30:46,304 INFO L87 Difference]: Start difference. First operand 197 states and 454 transitions. Second operand 3 states.
[2020-04-17 14:30:46,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 14:30:46,337 INFO L93 Difference]: Finished difference Result 107 states and 223 transitions.
[2020-04-17 14:30:46,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-17 14:30:46,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21
[2020-04-17 14:30:46,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 14:30:46,338 INFO L225 Difference]: With dead ends: 107
[2020-04-17 14:30:46,338 INFO L226 Difference]: Without dead ends: 107
[2020-04-17 14:30:46,339 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 14:30:46,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2020-04-17 14:30:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2020-04-17 14:30:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states.
[2020-04-17 14:30:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 223 transitions.
[2020-04-17 14:30:46,346 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 223 transitions. Word has length 21
[2020-04-17 14:30:46,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 14:30:46,346 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 223 transitions.
[2020-04-17 14:30:46,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-17 14:30:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 223 transitions.
[2020-04-17 14:30:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-04-17 14:30:46,348 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 14:30:46,348 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 14:30:46,349 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 14:30:46,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 14:30:46,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1077149356, now seen corresponding path program 2 times
[2020-04-17 14:30:46,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 14:30:46,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544686885]
[2020-04-17 14:30:46,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 14:30:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 14:30:46,406 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 14:30:46,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544686885]
[2020-04-17 14:30:46,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 14:30:46,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 14:30:46,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140707219]
[2020-04-17 14:30:46,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 14:30:46,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 14:30:46,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 14:30:46,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 14:30:46,409 INFO L87 Difference]: Start difference. First operand 107 states and 223 transitions. Second operand 5 states.
[2020-04-17 14:30:46,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 14:30:46,478 INFO L93 Difference]: Finished difference Result 80 states and 137 transitions.
[2020-04-17 14:30:46,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 14:30:46,479 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21
[2020-04-17 14:30:46,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 14:30:46,480 INFO L225 Difference]: With dead ends: 80
[2020-04-17 14:30:46,480 INFO L226 Difference]: Without dead ends: 80
[2020-04-17 14:30:46,481 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-04-17 14:30:46,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2020-04-17 14:30:46,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2020-04-17 14:30:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states.
[2020-04-17 14:30:46,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 137 transitions.
[2020-04-17 14:30:46,486 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 137 transitions. Word has length 21
[2020-04-17 14:30:46,486 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 14:30:46,486 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 137 transitions.
[2020-04-17 14:30:46,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 14:30:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions.
[2020-04-17 14:30:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-04-17 14:30:46,489 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 14:30:46,489 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 14:30:46,489 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 14:30:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 14:30:46,489 INFO L82 PathProgramCache]: Analyzing trace with hash 2113878624, now seen corresponding path program 3 times
[2020-04-17 14:30:46,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 14:30:46,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681169487]
[2020-04-17 14:30:46,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 14:30:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 14:30:46,618 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 14:30:46,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681169487]
[2020-04-17 14:30:46,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 14:30:46,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-17 14:30:46,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514817735]
[2020-04-17 14:30:46,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-17 14:30:46,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 14:30:46,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-17 14:30:46,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-17 14:30:46,621 INFO L87 Difference]: Start difference. First operand 80 states and 137 transitions. Second operand 7 states.
[2020-04-17 14:30:46,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 14:30:46,715 INFO L93 Difference]: Finished difference Result 80 states and 136 transitions.
[2020-04-17 14:30:46,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-04-17 14:30:46,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21
[2020-04-17 14:30:46,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 14:30:46,716 INFO L225 Difference]: With dead ends: 80
[2020-04-17 14:30:46,716 INFO L226 Difference]: Without dead ends: 56
[2020-04-17 14:30:46,717 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2020-04-17 14:30:46,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2020-04-17 14:30:46,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2020-04-17 14:30:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states.
[2020-04-17 14:30:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 88 transitions.
[2020-04-17 14:30:46,721 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 88 transitions. Word has length 21
[2020-04-17 14:30:46,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 14:30:46,721 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 88 transitions.
[2020-04-17 14:30:46,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-17 14:30:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 88 transitions.
[2020-04-17 14:30:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-04-17 14:30:46,722 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 14:30:46,722 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 14:30:46,723 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 14:30:46,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 14:30:46,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1774524060, now seen corresponding path program 1 times
[2020-04-17 14:30:46,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 14:30:46,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645870606]
[2020-04-17 14:30:46,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 14:30:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 14:30:46,861 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 14:30:46,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645870606]
[2020-04-17 14:30:46,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 14:30:46,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-04-17 14:30:46,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397687295]
[2020-04-17 14:30:46,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-17 14:30:46,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 14:30:46,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-17 14:30:46,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-04-17 14:30:46,866 INFO L87 Difference]: Start difference. First operand 56 states and 88 transitions. Second operand 7 states.
[2020-04-17 14:30:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 14:30:46,948 INFO L93 Difference]: Finished difference Result 53 states and 82 transitions.
[2020-04-17 14:30:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-17 14:30:46,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21
[2020-04-17 14:30:46,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 14:30:46,950 INFO L225 Difference]: With dead ends: 53
[2020-04-17 14:30:46,950 INFO L226 Difference]: Without dead ends: 0
[2020-04-17 14:30:46,950 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2020-04-17 14:30:46,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-17 14:30:46,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-17 14:30:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-17 14:30:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-17 14:30:46,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21
[2020-04-17 14:30:46,952 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 14:30:46,952 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-17 14:30:46,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-17 14:30:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-17 14:30:46,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-17 14:30:46,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 02:30:46 BasicIcfg
[2020-04-17 14:30:46,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-17 14:30:46,961 INFO L168 Benchmark]: Toolchain (without parser) took 6600.78 ms. Allocated memory was 139.5 MB in the beginning and 288.4 MB in the end (delta: 148.9 MB). Free memory was 99.4 MB in the beginning and 152.6 MB in the end (delta: -53.2 MB). Peak memory consumption was 95.7 MB. Max. memory is 7.1 GB.
[2020-04-17 14:30:46,962 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-04-17 14:30:46,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.33 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 97.4 MB in the beginning and 136.2 MB in the end (delta: -38.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
[2020-04-17 14:30:46,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.78 ms. Allocated memory is still 201.3 MB. Free memory was 136.2 MB in the beginning and 133.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
[2020-04-17 14:30:46,970 INFO L168 Benchmark]: Boogie Preprocessor took 34.30 ms. Allocated memory is still 201.3 MB. Free memory was 133.4 MB in the beginning and 132.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-17 14:30:46,971 INFO L168 Benchmark]: RCFGBuilder took 516.47 ms. Allocated memory is still 201.3 MB. Free memory was 132.0 MB in the beginning and 105.5 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB.
[2020-04-17 14:30:46,972 INFO L168 Benchmark]: TraceAbstraction took 5040.90 ms. Allocated memory was 201.3 MB in the beginning and 288.4 MB in the end (delta: 87.0 MB). Free memory was 104.8 MB in the beginning and 152.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 39.3 MB. Max. memory is 7.1 GB.
[2020-04-17 14:30:46,981 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 871.33 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 97.4 MB in the beginning and 136.2 MB in the end (delta: -38.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 112.78 ms. Allocated memory is still 201.3 MB. Free memory was 136.2 MB in the beginning and 133.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 34.30 ms. Allocated memory is still 201.3 MB. Free memory was 133.4 MB in the beginning and 132.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 516.47 ms. Allocated memory is still 201.3 MB. Free memory was 132.0 MB in the beginning and 105.5 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5040.90 ms. Allocated memory was 201.3 MB in the beginning and 288.4 MB in the end (delta: 87.0 MB). Free memory was 104.8 MB in the beginning and 152.6 MB in the end (delta: -47.8 MB). Peak memory consumption was 39.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 3.5s, 91 ProgramPointsBefore, 35 ProgramPointsAfterwards, 91 TransitionsBefore, 34 TransitionsAfterwards, 840 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 435 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2359 CheckedPairsTotal, 67 TotalNumberOfCompositions
- PositiveResult [Line: 947]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 130 SDtfs, 112 SDslu, 159 SDs, 0 SdLazy, 121 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 5876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...