/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 02:53:40,823 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 02:53:40,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 02:53:40,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 02:53:40,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 02:53:40,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 02:53:40,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 02:53:40,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 02:53:40,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 02:53:40,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-18 02:53:40,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-18 02:53:40,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 02:53:40,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 02:53:40,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 02:53:40,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 02:53:40,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 02:53:40,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 02:53:40,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 02:53:40,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 02:53:40,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 02:53:40,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 02:53:40,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 02:53:40,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 02:53:40,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 02:53:40,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 02:53:40,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 02:53:40,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 02:53:40,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 02:53:40,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 02:53:40,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 02:53:40,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 02:53:40,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 02:53:40,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-04-18 02:53:40,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-04-18 02:53:40,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 02:53:40,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-18 02:53:40,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-04-18 02:53:40,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-04-18 02:53:40,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-04-18 02:53:40,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-04-18 02:53:40,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 02:53:40,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf
[2020-04-18 02:53:40,893 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 02:53:40,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 02:53:40,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 02:53:40,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 02:53:40,895 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 02:53:40,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 02:53:40,895 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 02:53:40,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 02:53:40,896 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 02:53:40,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 02:53:40,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 02:53:40,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 02:53:40,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 02:53:40,897 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 02:53:40,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 02:53:40,897 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 02:53:40,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 02:53:40,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 02:53:40,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 02:53:40,898 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 02:53:40,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 02:53:40,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 02:53:40,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 02:53:40,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 02:53:40,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 02:53:40,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-18 02:53:40,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 02:53:40,899 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-04-18 02:53:40,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 02:53:40,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 02:53:41,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 02:53:41,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 02:53:41,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 02:53:41,212 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 02:53:41,213 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 02:53:41,214 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i
[2020-04-18 02:53:41,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8a90baa/bea79f27170d46a7875f2ab1e730f287/FLAG57b6c8c44
[2020-04-18 02:53:41,793 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 02:53:41,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_pso.oepc.i
[2020-04-18 02:53:41,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8a90baa/bea79f27170d46a7875f2ab1e730f287/FLAG57b6c8c44
[2020-04-18 02:53:42,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8a90baa/bea79f27170d46a7875f2ab1e730f287
[2020-04-18 02:53:42,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 02:53:42,133 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 02:53:42,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 02:53:42,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 02:53:42,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 02:53:42,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694972d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42, skipping insertion in model container
[2020-04-18 02:53:42,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 02:53:42,200 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 02:53:42,685 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 02:53:42,696 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 02:53:42,749 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 02:53:42,825 INFO L208 MainTranslator]: Completed translation
[2020-04-18 02:53:42,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42 WrapperNode
[2020-04-18 02:53:42,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 02:53:42,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 02:53:42,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 02:53:42,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 02:53:42,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 02:53:42,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 02:53:42,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 02:53:42,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 02:53:42,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
[2020-04-18 02:53:42,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 02:53:42,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 02:53:42,927 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 02:53:42,927 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 02:53:42,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 02:53:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 02:53:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 02:53:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 02:53:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 02:53:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 02:53:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 02:53:42,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 02:53:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 02:53:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 02:53:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 02:53:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 02:53:42,989 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-18 02:53:43,328 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 02:53:43,328 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 02:53:43,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:53:43 BoogieIcfgContainer
[2020-04-18 02:53:43,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 02:53:43,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 02:53:43,334 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 02:53:43,337 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 02:53:43,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:53:42" (1/3) ...
[2020-04-18 02:53:43,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b88af9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:53:43, skipping insertion in model container
[2020-04-18 02:53:43,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:53:42" (2/3) ...
[2020-04-18 02:53:43,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b88af9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:53:43, skipping insertion in model container
[2020-04-18 02:53:43,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:53:43" (3/3) ...
[2020-04-18 02:53:43,341 INFO L109 eAbstractionObserver]: Analyzing ICFG safe036_pso.oepc.i
[2020-04-18 02:53:43,351 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 02:53:43,352 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 02:53:43,359 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 02:53:43,360 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 02:53:43,385 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,385 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,385 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,386 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,386 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,387 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,388 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,388 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,392 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,392 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,392 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,393 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,398 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,399 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,399 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,399 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 02:53:43,413 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-04-18 02:53:43,429 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 02:53:43,430 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 02:53:43,430 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 02:53:43,430 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 02:53:43,430 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 02:53:43,431 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 02:53:43,431 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 02:53:43,431 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 02:53:43,446 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow
[2020-04-18 02:53:43,448 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow
[2020-04-18 02:53:43,488 INFO L129 PetriNetUnfolder]: 2/54 cut-off events.
[2020-04-18 02:53:43,488 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 02:53:43,493 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 34 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place.
[2020-04-18 02:53:43,495 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow
[2020-04-18 02:53:43,517 INFO L129 PetriNetUnfolder]: 2/54 cut-off events.
[2020-04-18 02:53:43,518 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-18 02:53:43,518 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 34 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place.
[2020-04-18 02:53:43,520 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 672
[2020-04-18 02:53:43,522 INFO L182 etLargeBlockEncoding]: Variable Check.
[2020-04-18 02:53:44,669 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47
[2020-04-18 02:53:44,941 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1294
[2020-04-18 02:53:44,941 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49
[2020-04-18 02:53:44,945 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow
[2020-04-18 02:53:44,957 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states.
[2020-04-18 02:53:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states.
[2020-04-18 02:53:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2020-04-18 02:53:44,965 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:44,966 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:44,966 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:44,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:44,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1873752150, now seen corresponding path program 1 times
[2020-04-18 02:53:44,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:44,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122625559]
[2020-04-18 02:53:44,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:45,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122625559]
[2020-04-18 02:53:45,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:45,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-18 02:53:45,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069115445]
[2020-04-18 02:53:45,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 02:53:45,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:45,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 02:53:45,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 02:53:45,265 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 4 states.
[2020-04-18 02:53:45,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:45,336 INFO L93 Difference]: Finished difference Result 63 states and 112 transitions.
[2020-04-18 02:53:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-18 02:53:45,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6
[2020-04-18 02:53:45,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:45,366 INFO L225 Difference]: With dead ends: 63
[2020-04-18 02:53:45,366 INFO L226 Difference]: Without dead ends: 40
[2020-04-18 02:53:45,367 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-18 02:53:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2020-04-18 02:53:45,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2020-04-18 02:53:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states.
[2020-04-18 02:53:45,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 66 transitions.
[2020-04-18 02:53:45,406 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 66 transitions. Word has length 6
[2020-04-18 02:53:45,407 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:45,407 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 66 transitions.
[2020-04-18 02:53:45,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 02:53:45,407 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions.
[2020-04-18 02:53:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-18 02:53:45,408 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:45,408 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:45,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:45,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:45,409 INFO L82 PathProgramCache]: Analyzing trace with hash -771561330, now seen corresponding path program 1 times
[2020-04-18 02:53:45,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:45,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129265653]
[2020-04-18 02:53:45,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:45,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129265653]
[2020-04-18 02:53:45,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:45,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 02:53:45,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142697265]
[2020-04-18 02:53:45,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-18 02:53:45,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:45,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-18 02:53:45,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-04-18 02:53:45,506 INFO L87 Difference]: Start difference. First operand 40 states and 66 transitions. Second operand 5 states.
[2020-04-18 02:53:45,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:45,546 INFO L93 Difference]: Finished difference Result 35 states and 54 transitions.
[2020-04-18 02:53:45,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-04-18 02:53:45,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9
[2020-04-18 02:53:45,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:45,548 INFO L225 Difference]: With dead ends: 35
[2020-04-18 02:53:45,548 INFO L226 Difference]: Without dead ends: 28
[2020-04-18 02:53:45,549 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-04-18 02:53:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2020-04-18 02:53:45,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2020-04-18 02:53:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2020-04-18 02:53:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 42 transitions.
[2020-04-18 02:53:45,554 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 42 transitions. Word has length 9
[2020-04-18 02:53:45,554 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:45,555 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 42 transitions.
[2020-04-18 02:53:45,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-18 02:53:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions.
[2020-04-18 02:53:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-18 02:53:45,556 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:45,556 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:45,556 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:45,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:45,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1059449318, now seen corresponding path program 1 times
[2020-04-18 02:53:45,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:45,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078648300]
[2020-04-18 02:53:45,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:45,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078648300]
[2020-04-18 02:53:45,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:45,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 02:53:45,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222109327]
[2020-04-18 02:53:45,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 02:53:45,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:45,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 02:53:45,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 02:53:45,646 INFO L87 Difference]: Start difference. First operand 28 states and 42 transitions. Second operand 4 states.
[2020-04-18 02:53:45,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:45,669 INFO L93 Difference]: Finished difference Result 35 states and 50 transitions.
[2020-04-18 02:53:45,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-18 02:53:45,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-04-18 02:53:45,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:45,670 INFO L225 Difference]: With dead ends: 35
[2020-04-18 02:53:45,670 INFO L226 Difference]: Without dead ends: 22
[2020-04-18 02:53:45,670 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-18 02:53:45,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2020-04-18 02:53:45,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2020-04-18 02:53:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2020-04-18 02:53:45,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions.
[2020-04-18 02:53:45,674 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 12
[2020-04-18 02:53:45,675 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:45,675 INFO L479 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions.
[2020-04-18 02:53:45,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 02:53:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions.
[2020-04-18 02:53:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-18 02:53:45,676 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 02:53:45,676 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 02:53:45,676 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 02:53:45,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 02:53:45,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1252547174, now seen corresponding path program 2 times
[2020-04-18 02:53:45,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 02:53:45,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208918566]
[2020-04-18 02:53:45,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 02:53:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 02:53:45,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-18 02:53:45,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208918566]
[2020-04-18 02:53:45,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 02:53:45,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-18 02:53:45,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705850730]
[2020-04-18 02:53:45,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-18 02:53:45,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 02:53:45,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-18 02:53:45,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-04-18 02:53:45,762 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand 4 states.
[2020-04-18 02:53:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 02:53:45,775 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions.
[2020-04-18 02:53:45,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-18 02:53:45,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-04-18 02:53:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 02:53:45,776 INFO L225 Difference]: With dead ends: 21
[2020-04-18 02:53:45,776 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 02:53:45,776 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-04-18 02:53:45,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 02:53:45,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 02:53:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 02:53:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 02:53:45,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2020-04-18 02:53:45,777 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 02:53:45,777 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 02:53:45,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-18 02:53:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 02:53:45,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 02:53:45,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:53:45 BasicIcfg
[2020-04-18 02:53:45,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 02:53:45,783 INFO L168 Benchmark]: Toolchain (without parser) took 3667.52 ms. Allocated memory was 144.7 MB in the beginning and 250.6 MB in the end (delta: 105.9 MB). Free memory was 100.0 MB in the beginning and 181.7 MB in the end (delta: -81.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:45,783 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-04-18 02:53:45,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.95 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 97.9 MB in the beginning and 160.7 MB in the end (delta: -62.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:45,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 202.9 MB. Free memory was 160.1 MB in the beginning and 158.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:45,786 INFO L168 Benchmark]: Boogie Preprocessor took 39.50 ms. Allocated memory is still 202.9 MB. Free memory was 158.0 MB in the beginning and 156.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:45,787 INFO L168 Benchmark]: RCFGBuilder took 404.99 ms. Allocated memory is still 202.9 MB. Free memory was 156.7 MB in the beginning and 137.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:45,788 INFO L168 Benchmark]: TraceAbstraction took 2447.59 ms. Allocated memory was 202.9 MB in the beginning and 250.6 MB in the end (delta: 47.7 MB). Free memory was 136.6 MB in the beginning and 181.7 MB in the end (delta: -45.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-04-18 02:53:45,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.77 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 691.95 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 97.9 MB in the beginning and 160.7 MB in the end (delta: -62.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 202.9 MB. Free memory was 160.1 MB in the beginning and 158.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 39.50 ms. Allocated memory is still 202.9 MB. Free memory was 158.0 MB in the beginning and 156.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 404.99 ms. Allocated memory is still 202.9 MB. Free memory was 156.7 MB in the beginning and 137.3 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2447.59 ms. Allocated memory was 202.9 MB in the beginning and 250.6 MB in the end (delta: 47.7 MB). Free memory was 136.6 MB in the beginning and 181.7 MB in the end (delta: -45.1 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.4s, 61 ProgramPointsBefore, 22 ProgramPointsAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 360 VarBasedMoverChecksPositive, 17 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1294 CheckedPairsTotal, 49 TotalNumberOfCompositions
- PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 56 SDtfs, 47 SDslu, 68 SDs, 0 SdLazy, 43 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 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
RESULT: Ultimate proved your program to be correct!
Received shutdown request...