/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad
[2021-06-12 17:24:08,190 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-06-12 17:24:08,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-12 17:24:08,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-12 17:24:08,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-12 17:24:08,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-12 17:24:08,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-12 17:24:08,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-06-12 17:24:08,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-12 17:24:08,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-06-12 17:24:08,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-06-12 17:24:08,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-12 17:24:08,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-12 17:24:08,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-12 17:24:08,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-12 17:24:08,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-12 17:24:08,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-12 17:24:08,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-12 17:24:08,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-12 17:24:08,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-12 17:24:08,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-12 17:24:08,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-12 17:24:08,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-06-12 17:24:08,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-12 17:24:08,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-06-12 17:24:08,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-06-12 17:24:08,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-06-12 17:24:08,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-06-12 17:24:08,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-06-12 17:24:08,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-12 17:24:08,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-12 17:24:08,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-06-12 17:24:08,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-06-12 17:24:08,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-06-12 17:24:08,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-06-12 17:24:08,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-06-12 17:24:08,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-06-12 17:24:08,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-06-12 17:24:08,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-06-12 17:24:08,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-06-12 17:24:08,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-06-12 17:24:08,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2021-06-12 17:24:08,301 INFO L113 SettingsManager]: Loading preferences was successful
[2021-06-12 17:24:08,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-12 17:24:08,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-12 17:24:08,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-12 17:24:08,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-12 17:24:08,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-06-12 17:24:08,303 INFO L138 SettingsManager]: * Use SBE=true
[2021-06-12 17:24:08,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-12 17:24:08,303 INFO L138 SettingsManager]: * sizeof long=4
[2021-06-12 17:24:08,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-06-12 17:24:08,304 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-06-12 17:24:08,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-06-12 17:24:08,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-06-12 17:24:08,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-12 17:24:08,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-06-12 17:24:08,305 INFO L138 SettingsManager]: * sizeof long double=12
[2021-06-12 17:24:08,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-06-12 17:24:08,305 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-06-12 17:24:08,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-06-12 17:24:08,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-12 17:24:08,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-06-12 17:24:08,306 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-06-12 17:24:08,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-06-12 17:24:08,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-12 17:24:08,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-12 17:24:08,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-06-12 17:24:08,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-12 17:24:08,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-06-12 17:24:08,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-12 17:24:08,307 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-06-12 17:24:08,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-12 17:24:08,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-12 17:24:08,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-12 17:24:08,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-12 17:24:08,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-12 17:24:08,632 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-06-12 17:24:08,633 INFO L275 PluginConnector]: CDTParser initialized
[2021-06-12 17:24:08,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i
[2021-06-12 17:24:08,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e2dfd59/cae6ff72dc6b42c4894dc5e4eb3012d6/FLAG4c7462c4f
[2021-06-12 17:24:09,274 INFO L306 CDTParser]: Found 1 translation units.
[2021-06-12 17:24:09,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i
[2021-06-12 17:24:09,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e2dfd59/cae6ff72dc6b42c4894dc5e4eb3012d6/FLAG4c7462c4f
[2021-06-12 17:24:09,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e2dfd59/cae6ff72dc6b42c4894dc5e4eb3012d6
[2021-06-12 17:24:09,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-12 17:24:09,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-12 17:24:09,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-12 17:24:09,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-12 17:24:09,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-12 17:24:09,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:09,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b81180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09, skipping insertion in model container
[2021-06-12 17:24:09,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:09,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-06-12 17:24:09,523 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-06-12 17:24:09,633 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i[950,963]
[2021-06-12 17:24:09,815 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-12 17:24:09,847 INFO L203 MainTranslator]: Completed pre-run
[2021-06-12 17:24:09,877 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i[950,963]
[2021-06-12 17:24:09,918 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-12 17:24:09,992 INFO L208 MainTranslator]: Completed translation
[2021-06-12 17:24:09,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09 WrapperNode
[2021-06-12 17:24:09,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-12 17:24:09,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-12 17:24:09,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-12 17:24:09,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-12 17:24:10,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-12 17:24:10,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-12 17:24:10,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-12 17:24:10,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-06-12 17:24:10,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (1/1) ...
[2021-06-12 17:24:10,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-12 17:24:10,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-12 17:24:10,091 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-06-12 17:24:10,091 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-06-12 17:24:10,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (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
[2021-06-12 17:24:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-06-12 17:24:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-12 17:24:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-12 17:24:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-12 17:24:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-06-12 17:24:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-06-12 17:24:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-06-12 17:24:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-06-12 17:24:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-12 17:24:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-12 17:24:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-12 17:24:10,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-12 17:24:10,175 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-12 17:24:10,511 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-12 17:24:10,511 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-06-12 17:24:10,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:24:10 BoogieIcfgContainer
[2021-06-12 17:24:10,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-12 17:24:10,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-12 17:24:10,514 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-06-12 17:24:10,516 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-06-12 17:24:10,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.06 05:24:09" (1/3) ...
[2021-06-12 17:24:10,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473737f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 05:24:10, skipping insertion in model container
[2021-06-12 17:24:10,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 05:24:09" (2/3) ...
[2021-06-12 17:24:10,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473737f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 05:24:10, skipping insertion in model container
[2021-06-12 17:24:10,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 05:24:10" (3/3) ...
[2021-06-12 17:24:10,518 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_pso.oepc.i
[2021-06-12 17:24:10,530 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-12 17:24:10,530 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-12 17:24:10,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-12 17:24:10,531 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-12 17:24:10,562 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,563 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,563 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,563 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,564 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,564 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,564 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,565 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,566 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,566 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,566 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,567 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,567 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,568 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,571 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,571 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,577 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,577 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-12 17:24:10,583 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-12 17:24:10,602 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-06-12 17:24:10,628 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-12 17:24:10,628 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-12 17:24:10,628 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-12 17:24:10,628 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-12 17:24:10,628 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-12 17:24:10,628 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-12 17:24:10,628 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-12 17:24:10,629 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-12 17:24:10,640 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 67 transitions, 144 flow
[2021-06-12 17:24:10,708 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1246 states, 1244 states have (on average 2.695337620578778) internal successors, (3353), 1245 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 1246 states, 1244 states have (on average 2.695337620578778) internal successors, (3353), 1245 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2021-06-12 17:24:10,740 INFO L464 BasicCegarLoop]: Found error trace
[2021-06-12 17:24:10,741 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-12 17:24:10,742 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-12 17:24:10,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-12 17:24:10,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1835842458, now seen corresponding path program 1 times
[2021-06-12 17:24:10,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-12 17:24:10,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578063670]
[2021-06-12 17:24:10,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-12 17:24:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-12 17:24:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-12 17:24:11,123 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-12 17:24:11,123 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578063670]
[2021-06-12 17:24:11,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578063670] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-12 17:24:11,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-12 17:24:11,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-12 17:24:11,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790641097]
[2021-06-12 17:24:11,130 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-12 17:24:11,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-12 17:24:11,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-12 17:24:11,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-12 17:24:11,148 INFO L87 Difference]: Start difference. First operand has 1246 states, 1244 states have (on average 2.695337620578778) internal successors, (3353), 1245 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:11,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-12 17:24:11,342 INFO L93 Difference]: Finished difference Result 1122 states and 2794 transitions.
[2021-06-12 17:24:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-06-12 17:24:11,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41
[2021-06-12 17:24:11,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-12 17:24:11,357 INFO L225 Difference]: With dead ends: 1122
[2021-06-12 17:24:11,357 INFO L226 Difference]: Without dead ends: 580
[2021-06-12 17:24:11,358 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 156.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2021-06-12 17:24:11,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states.
[2021-06-12 17:24:11,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580.
[2021-06-12 17:24:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 579 states have (on average 2.412780656303972) internal successors, (1397), 579 states have internal predecessors, (1397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:11,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 1397 transitions.
[2021-06-12 17:24:11,457 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 1397 transitions. Word has length 41
[2021-06-12 17:24:11,458 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-12 17:24:11,458 INFO L482 AbstractCegarLoop]: Abstraction has 580 states and 1397 transitions.
[2021-06-12 17:24:11,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:11,459 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1397 transitions.
[2021-06-12 17:24:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2021-06-12 17:24:11,461 INFO L464 BasicCegarLoop]: Found error trace
[2021-06-12 17:24:11,461 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-12 17:24:11,462 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-12 17:24:11,462 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-12 17:24:11,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-12 17:24:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash 720801784, now seen corresponding path program 1 times
[2021-06-12 17:24:11,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-12 17:24:11,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788135274]
[2021-06-12 17:24:11,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-12 17:24:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-12 17:24:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-12 17:24:11,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-12 17:24:11,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788135274]
[2021-06-12 17:24:11,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788135274] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-12 17:24:11,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-12 17:24:11,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-12 17:24:11,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144171903]
[2021-06-12 17:24:11,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-12 17:24:11,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-12 17:24:11,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-12 17:24:11,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-12 17:24:11,619 INFO L87 Difference]: Start difference. First operand 580 states and 1397 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:11,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-12 17:24:11,768 INFO L93 Difference]: Finished difference Result 448 states and 1024 transitions.
[2021-06-12 17:24:11,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-06-12 17:24:11,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45
[2021-06-12 17:24:11,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-12 17:24:11,771 INFO L225 Difference]: With dead ends: 448
[2021-06-12 17:24:11,771 INFO L226 Difference]: Without dead ends: 316
[2021-06-12 17:24:11,772 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 144.1ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2021-06-12 17:24:11,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states.
[2021-06-12 17:24:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316.
[2021-06-12 17:24:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 315 states have (on average 2.2) internal successors, (693), 315 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 693 transitions.
[2021-06-12 17:24:11,792 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 693 transitions. Word has length 45
[2021-06-12 17:24:11,793 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-12 17:24:11,793 INFO L482 AbstractCegarLoop]: Abstraction has 316 states and 693 transitions.
[2021-06-12 17:24:11,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 693 transitions.
[2021-06-12 17:24:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2021-06-12 17:24:11,794 INFO L464 BasicCegarLoop]: Found error trace
[2021-06-12 17:24:11,794 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-12 17:24:11,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-12 17:24:11,795 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-12 17:24:11,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-12 17:24:11,795 INFO L82 PathProgramCache]: Analyzing trace with hash -753432138, now seen corresponding path program 1 times
[2021-06-12 17:24:11,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-12 17:24:11,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413155282]
[2021-06-12 17:24:11,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-12 17:24:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-12 17:24:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-12 17:24:11,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-12 17:24:11,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413155282]
[2021-06-12 17:24:11,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413155282] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-12 17:24:11,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-12 17:24:11,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-12 17:24:11,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977635328]
[2021-06-12 17:24:11,933 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-12 17:24:11,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-12 17:24:11,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-12 17:24:11,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-12 17:24:11,934 INFO L87 Difference]: Start difference. First operand 316 states and 693 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:12,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-12 17:24:12,021 INFO L93 Difference]: Finished difference Result 457 states and 1015 transitions.
[2021-06-12 17:24:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-06-12 17:24:12,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49
[2021-06-12 17:24:12,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-12 17:24:12,023 INFO L225 Difference]: With dead ends: 457
[2021-06-12 17:24:12,023 INFO L226 Difference]: Without dead ends: 271
[2021-06-12 17:24:12,023 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 101.9ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2021-06-12 17:24:12,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states.
[2021-06-12 17:24:12,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271.
[2021-06-12 17:24:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 270 states have (on average 2.1222222222222222) internal successors, (573), 270 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 573 transitions.
[2021-06-12 17:24:12,033 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 573 transitions. Word has length 49
[2021-06-12 17:24:12,034 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-12 17:24:12,034 INFO L482 AbstractCegarLoop]: Abstraction has 271 states and 573 transitions.
[2021-06-12 17:24:12,034 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 573 transitions.
[2021-06-12 17:24:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2021-06-12 17:24:12,037 INFO L464 BasicCegarLoop]: Found error trace
[2021-06-12 17:24:12,038 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-12 17:24:12,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-12 17:24:12,038 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-12 17:24:12,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-12 17:24:12,039 INFO L82 PathProgramCache]: Analyzing trace with hash -967070400, now seen corresponding path program 2 times
[2021-06-12 17:24:12,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-12 17:24:12,040 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270380311]
[2021-06-12 17:24:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-12 17:24:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-12 17:24:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-12 17:24:12,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-12 17:24:12,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270380311]
[2021-06-12 17:24:12,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270380311] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-12 17:24:12,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-12 17:24:12,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-12 17:24:12,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128958813]
[2021-06-12 17:24:12,210 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-12 17:24:12,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-12 17:24:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-12 17:24:12,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-12 17:24:12,215 INFO L87 Difference]: Start difference. First operand 271 states and 573 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:12,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-12 17:24:12,306 INFO L93 Difference]: Finished difference Result 253 states and 531 transitions.
[2021-06-12 17:24:12,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-06-12 17:24:12,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49
[2021-06-12 17:24:12,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-12 17:24:12,307 INFO L225 Difference]: With dead ends: 253
[2021-06-12 17:24:12,307 INFO L226 Difference]: Without dead ends: 0
[2021-06-12 17:24:12,308 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 112.7ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2021-06-12 17:24:12,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-06-12 17:24:12,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-06-12 17:24:12,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-06-12 17:24:12,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49
[2021-06-12 17:24:12,309 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-12 17:24:12,309 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-06-12 17:24:12,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-12 17:24:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-06-12 17:24:12,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-06-12 17:24:12,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-12 17:24:12,314 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-12 17:24:12,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.06 05:24:12 BasicIcfg
[2021-06-12 17:24:12,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-12 17:24:12,317 INFO L168 Benchmark]: Toolchain (without parser) took 2856.55 ms. Allocated memory was 127.9 MB in the beginning and 218.1 MB in the end (delta: 90.2 MB). Free memory was 103.1 MB in the beginning and 168.2 MB in the end (delta: -65.1 MB). Peak memory consumption was 24.8 MB. Max. memory is 8.0 GB.
[2021-06-12 17:24:12,317 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 127.9 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-06-12 17:24:12,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.39 ms. Allocated memory was 127.9 MB in the beginning and 181.4 MB in the end (delta: 53.5 MB). Free memory was 103.1 MB in the beginning and 143.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
[2021-06-12 17:24:12,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.97 ms. Allocated memory is still 181.4 MB. Free memory was 143.7 MB in the beginning and 141.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-06-12 17:24:12,321 INFO L168 Benchmark]: Boogie Preprocessor took 34.41 ms. Allocated memory is still 181.4 MB. Free memory was 141.8 MB in the beginning and 140.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-06-12 17:24:12,321 INFO L168 Benchmark]: RCFGBuilder took 421.65 ms. Allocated memory is still 181.4 MB. Free memory was 140.3 MB in the beginning and 146.8 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 8.0 GB.
[2021-06-12 17:24:12,324 INFO L168 Benchmark]: TraceAbstraction took 1802.25 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 146.8 MB in the beginning and 168.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB.
[2021-06-12 17:24:12,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13 ms. Allocated memory is still 127.9 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 533.39 ms. Allocated memory was 127.9 MB in the beginning and 181.4 MB in the end (delta: 53.5 MB). Free memory was 103.1 MB in the beginning and 143.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
* Boogie Procedure Inliner took 58.97 ms. Allocated memory is still 181.4 MB. Free memory was 143.7 MB in the beginning and 141.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 34.41 ms. Allocated memory is still 181.4 MB. Free memory was 141.8 MB in the beginning and 140.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 421.65 ms. Allocated memory is still 181.4 MB. Free memory was 140.3 MB in the beginning and 146.8 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 1802.25 ms. Allocated memory was 181.4 MB in the beginning and 218.1 MB in the end (delta: 36.7 MB). Free memory was 146.8 MB in the beginning and 168.2 MB in the end (delta: -21.4 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1686.5ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 41.8ms, AutomataDifference: 569.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 79.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 293 SDtfs, 361 SDslu, 1022 SDs, 0 SdLazy, 118 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 107.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 515.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 116.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.8ms SsaConstructionTime, 118.3ms SatisfiabilityAnalysisTime, 563.3ms InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...