/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-17 22:37:50,804 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-17 22:37:50,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-17 22:37:50,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-17 22:37:50,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-17 22:37:50,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-17 22:37:50,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-17 22:37:50,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-17 22:37:50,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-17 22:37:50,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-04-17 22:37:50,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-04-17 22:37:50,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-17 22:37:50,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-17 22:37:50,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-17 22:37:50,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-17 22:37:50,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-17 22:37:50,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-17 22:37:50,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-17 22:37:50,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-17 22:37:50,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-17 22:37:50,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-17 22:37:50,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-17 22:37:50,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-17 22:37:50,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-17 22:37:50,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-17 22:37:50,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-17 22:37:50,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-17 22:37:50,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-17 22:37:50,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-17 22:37:50,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-17 22:37:50,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-17 22:37:50,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-17 22:37:50,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-17 22:37:50,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-17 22:37:50,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-04-17 22:37:50,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-17 22:37:50,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-17 22:37:50,894 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-SemanticLbe.epf
[2020-04-17 22:37:50,922 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-17 22:37:50,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-17 22:37:50,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-17 22:37:50,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-17 22:37:50,925 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-17 22:37:50,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-17 22:37:50,925 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-17 22:37:50,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-17 22:37:50,925 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-17 22:37:50,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-17 22:37:50,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-17 22:37:50,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-17 22:37:50,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-17 22:37:50,926 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-17 22:37:50,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-17 22:37:50,927 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-17 22:37:50,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-17 22:37:50,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-17 22:37:50,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-17 22:37:50,927 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-17 22:37:50,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-17 22:37:50,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 22:37:50,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-17 22:37:50,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-17 22:37:50,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-17 22:37:50,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-17 22:37:50,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-17 22:37:50,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-17 22:37:50,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-17 22:37:51,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-17 22:37:51,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-17 22:37:51,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-17 22:37:51,229 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-17 22:37:51,230 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-17 22:37:51,230 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
[2020-04-17 22:37:51,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e078be22/7f720809b1424dd9ac1edce784f65f7a/FLAG8f7dcb14d
[2020-04-17 22:37:51,824 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-17 22:37:51,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe037_power.oepc.i
[2020-04-17 22:37:51,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e078be22/7f720809b1424dd9ac1edce784f65f7a/FLAG8f7dcb14d
[2020-04-17 22:37:52,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e078be22/7f720809b1424dd9ac1edce784f65f7a
[2020-04-17 22:37:52,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-17 22:37:52,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-17 22:37:52,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-17 22:37:52,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-17 22:37:52,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-17 22:37:52,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222969c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52, skipping insertion in model container
[2020-04-17 22:37:52,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-17 22:37:52,227 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-17 22:37:52,735 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:37:52,751 INFO L203 MainTranslator]: Completed pre-run
[2020-04-17 22:37:52,803 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-17 22:37:52,882 INFO L208 MainTranslator]: Completed translation
[2020-04-17 22:37:52,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52 WrapperNode
[2020-04-17 22:37:52,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-17 22:37:52,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-17 22:37:52,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-17 22:37:52,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-17 22:37:52,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-17 22:37:52,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-17 22:37:52,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-17 22:37:52,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-17 22:37:52,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
[2020-04-17 22:37:52,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-17 22:37:52,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-17 22:37:52,976 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-17 22:37:52,976 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-17 22:37:52,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-17 22:37:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-17 22:37:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-17 22:37:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-17 22:37:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-17 22:37:53,040 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-17 22:37:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-17 22:37:53,040 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-17 22:37:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-17 22:37:53,040 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-17 22:37:53,040 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-17 22:37:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-17 22:37:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-17 22:37:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-17 22:37:53,043 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-04-17 22:37:53,445 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-17 22:37:53,445 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-17 22:37:53,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:37:53 BoogieIcfgContainer
[2020-04-17 22:37:53,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-17 22:37:53,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-17 22:37:53,452 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-17 22:37:53,455 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-17 22:37:53,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:37:52" (1/3) ...
[2020-04-17 22:37:53,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce4cf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:37:53, skipping insertion in model container
[2020-04-17 22:37:53,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:37:52" (2/3) ...
[2020-04-17 22:37:53,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce4cf28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:37:53, skipping insertion in model container
[2020-04-17 22:37:53,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:37:53" (3/3) ...
[2020-04-17 22:37:53,459 INFO L109 eAbstractionObserver]: Analyzing ICFG safe037_power.oepc.i
[2020-04-17 22:37:53,470 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-17 22:37:53,470 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-17 22:37:53,480 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-17 22:37:53,482 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-17 22:37:53,512 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,512 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,513 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,513 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,514 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,514 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,514 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,515 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,515 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,516 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,517 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,517 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,517 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,517 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,518 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,521 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,522 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,522 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,522 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,529 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,530 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,530 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,530 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,533 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,533 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-17 22:37:53,550 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-17 22:37:53,566 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-17 22:37:53,567 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-17 22:37:53,567 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-17 22:37:53,567 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-17 22:37:53,567 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-17 22:37:53,567 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-17 22:37:53,567 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-17 22:37:53,568 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-17 22:37:53,584 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow
[2020-04-17 22:37:53,586 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 22:37:53,630 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 22:37:53,630 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 22:37:53,635 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 22:37:53,638 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow
[2020-04-17 22:37:53,676 INFO L129 PetriNetUnfolder]: 2/68 cut-off events.
[2020-04-17 22:37:53,676 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-04-17 22:37:53,677 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place.
[2020-04-17 22:37:53,679 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260
[2020-04-17 22:37:53,681 INFO L170 etLargeBlockEncoding]: Semantic Check.
[2020-04-17 22:37:55,109 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51
[2020-04-17 22:37:55,217 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2315
[2020-04-17 22:37:55,217 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57
[2020-04-17 22:37:55,221 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow
[2020-04-17 22:37:55,250 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states.
[2020-04-17 22:37:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states.
[2020-04-17 22:37:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2020-04-17 22:37:55,261 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:37:55,262 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:37:55,262 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:37:55,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:37:55,268 INFO L82 PathProgramCache]: Analyzing trace with hash 385809968, now seen corresponding path program 1 times
[2020-04-17 22:37:55,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:37:55,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952660327]
[2020-04-17 22:37:55,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:37:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:37:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:37:55,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952660327]
[2020-04-17 22:37:55,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:37:55,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:37:55,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065826636]
[2020-04-17 22:37:55,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-04-17 22:37:55,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:37:55,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-04-17 22:37:55,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 22:37:55,461 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states.
[2020-04-17 22:37:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:37:55,495 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions.
[2020-04-17 22:37:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-04-17 22:37:55,497 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8
[2020-04-17 22:37:55,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:37:55,516 INFO L225 Difference]: With dead ends: 362
[2020-04-17 22:37:55,516 INFO L226 Difference]: Without dead ends: 298
[2020-04-17 22:37:55,518 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-04-17 22:37:55,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states.
[2020-04-17 22:37:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298.
[2020-04-17 22:37:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-04-17 22:37:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions.
[2020-04-17 22:37:55,605 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8
[2020-04-17 22:37:55,606 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:37:55,607 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions.
[2020-04-17 22:37:55,607 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-04-17 22:37:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions.
[2020-04-17 22:37:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2020-04-17 22:37:55,609 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:37:55,609 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:37:55,609 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:37:55,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:37:55,610 INFO L82 PathProgramCache]: Analyzing trace with hash -924796273, now seen corresponding path program 1 times
[2020-04-17 22:37:55,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:37:55,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546188093]
[2020-04-17 22:37:55,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:37:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:37:55,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:37:55,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546188093]
[2020-04-17 22:37:55,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:37:55,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-04-17 22:37:55,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32875629]
[2020-04-17 22:37:55,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-04-17 22:37:55,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:37:55,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-04-17 22:37:55,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-17 22:37:55,742 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states.
[2020-04-17 22:37:55,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:37:55,787 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions.
[2020-04-17 22:37:55,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-04-17 22:37:55,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9
[2020-04-17 22:37:55,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:37:55,793 INFO L225 Difference]: With dead ends: 217
[2020-04-17 22:37:55,794 INFO L226 Difference]: Without dead ends: 217
[2020-04-17 22:37:55,795 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-04-17 22:37:55,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2020-04-17 22:37:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217.
[2020-04-17 22:37:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states.
[2020-04-17 22:37:55,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions.
[2020-04-17 22:37:55,826 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9
[2020-04-17 22:37:55,826 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:37:55,826 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions.
[2020-04-17 22:37:55,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-04-17 22:37:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions.
[2020-04-17 22:37:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2020-04-17 22:37:55,828 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:37:55,828 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:37:55,828 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:37:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:37:55,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1123394358, now seen corresponding path program 1 times
[2020-04-17 22:37:55,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:37:55,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394894232]
[2020-04-17 22:37:55,830 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:37:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:37:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:37:55,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394894232]
[2020-04-17 22:37:55,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:37:55,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-04-17 22:37:55,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276287007]
[2020-04-17 22:37:55,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-04-17 22:37:55,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:37:55,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-04-17 22:37:55,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:37:55,941 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states.
[2020-04-17 22:37:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:37:55,978 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions.
[2020-04-17 22:37:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-04-17 22:37:55,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12
[2020-04-17 22:37:55,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:37:55,980 INFO L225 Difference]: With dead ends: 136
[2020-04-17 22:37:55,980 INFO L226 Difference]: Without dead ends: 136
[2020-04-17 22:37:55,980 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-04-17 22:37:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2020-04-17 22:37:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136.
[2020-04-17 22:37:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states.
[2020-04-17 22:37:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions.
[2020-04-17 22:37:55,989 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12
[2020-04-17 22:37:55,989 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:37:55,989 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions.
[2020-04-17 22:37:55,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-04-17 22:37:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions.
[2020-04-17 22:37:55,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-04-17 22:37:55,991 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:37:55,991 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:37:55,991 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:37:55,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:37:55,992 INFO L82 PathProgramCache]: Analyzing trace with hash -104701845, now seen corresponding path program 1 times
[2020-04-17 22:37:55,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:37:55,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923241572]
[2020-04-17 22:37:55,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:37:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:37:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:37:56,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923241572]
[2020-04-17 22:37:56,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:37:56,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 22:37:56,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537439412]
[2020-04-17 22:37:56,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 22:37:56,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:37:56,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 22:37:56,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:37:56,069 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states.
[2020-04-17 22:37:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:37:56,112 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions.
[2020-04-17 22:37:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:37:56,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15
[2020-04-17 22:37:56,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:37:56,113 INFO L225 Difference]: With dead ends: 109
[2020-04-17 22:37:56,113 INFO L226 Difference]: Without dead ends: 109
[2020-04-17 22:37:56,114 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:37:56,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-04-17 22:37:56,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2020-04-17 22:37:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states.
[2020-04-17 22:37:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions.
[2020-04-17 22:37:56,122 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15
[2020-04-17 22:37:56,122 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:37:56,122 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions.
[2020-04-17 22:37:56,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 22:37:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions.
[2020-04-17 22:37:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-04-17 22:37:56,128 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:37:56,129 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:37:56,129 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:37:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:37:56,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1786856379, now seen corresponding path program 1 times
[2020-04-17 22:37:56,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:37:56,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002866285]
[2020-04-17 22:37:56,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:37:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:37:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:37:56,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002866285]
[2020-04-17 22:37:56,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:37:56,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 22:37:56,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566068932]
[2020-04-17 22:37:56,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 22:37:56,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:37:56,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 22:37:56,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:37:56,261 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 5 states.
[2020-04-17 22:37:56,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:37:56,307 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions.
[2020-04-17 22:37:56,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:37:56,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-04-17 22:37:56,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:37:56,309 INFO L225 Difference]: With dead ends: 135
[2020-04-17 22:37:56,309 INFO L226 Difference]: Without dead ends: 85
[2020-04-17 22:37:56,309 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-04-17 22:37:56,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2020-04-17 22:37:56,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2020-04-17 22:37:56,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2020-04-17 22:37:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 177 transitions.
[2020-04-17 22:37:56,319 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 177 transitions. Word has length 18
[2020-04-17 22:37:56,321 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:37:56,321 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 177 transitions.
[2020-04-17 22:37:56,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 22:37:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 177 transitions.
[2020-04-17 22:37:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-04-17 22:37:56,322 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:37:56,322 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:37:56,323 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:37:56,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:37:56,326 INFO L82 PathProgramCache]: Analyzing trace with hash -739037833, now seen corresponding path program 2 times
[2020-04-17 22:37:56,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:37:56,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287368244]
[2020-04-17 22:37:56,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:37:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:37:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:37:56,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287368244]
[2020-04-17 22:37:56,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:37:56,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 22:37:56,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156077299]
[2020-04-17 22:37:56,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 22:37:56,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:37:56,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 22:37:56,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:37:56,415 INFO L87 Difference]: Start difference. First operand 85 states and 177 transitions. Second operand 5 states.
[2020-04-17 22:37:56,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:37:56,449 INFO L93 Difference]: Finished difference Result 99 states and 199 transitions.
[2020-04-17 22:37:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:37:56,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-04-17 22:37:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:37:56,451 INFO L225 Difference]: With dead ends: 99
[2020-04-17 22:37:56,451 INFO L226 Difference]: Without dead ends: 37
[2020-04-17 22:37:56,451 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-04-17 22:37:56,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2020-04-17 22:37:56,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2020-04-17 22:37:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2020-04-17 22:37:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions.
[2020-04-17 22:37:56,454 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18
[2020-04-17 22:37:56,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:37:56,454 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions.
[2020-04-17 22:37:56,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 22:37:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions.
[2020-04-17 22:37:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-04-17 22:37:56,455 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-17 22:37:56,455 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-17 22:37:56,455 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-17 22:37:56,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-17 22:37:56,456 INFO L82 PathProgramCache]: Analyzing trace with hash 21041593, now seen corresponding path program 3 times
[2020-04-17 22:37:56,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-17 22:37:56,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285152367]
[2020-04-17 22:37:56,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-17 22:37:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-17 22:37:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-04-17 22:37:56,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285152367]
[2020-04-17 22:37:56,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-17 22:37:56,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-04-17 22:37:56,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713000998]
[2020-04-17 22:37:56,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-04-17 22:37:56,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-17 22:37:56,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-04-17 22:37:56,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-04-17 22:37:56,522 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 5 states.
[2020-04-17 22:37:56,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-17 22:37:56,557 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions.
[2020-04-17 22:37:56,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-04-17 22:37:56,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2020-04-17 22:37:56,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-17 22:37:56,558 INFO L225 Difference]: With dead ends: 36
[2020-04-17 22:37:56,558 INFO L226 Difference]: Without dead ends: 0
[2020-04-17 22:37:56,558 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-04-17 22:37:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-17 22:37:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-17 22:37:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-17 22:37:56,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-17 22:37:56,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2020-04-17 22:37:56,560 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-17 22:37:56,561 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-17 22:37:56,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-04-17 22:37:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-17 22:37:56,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-17 22:37:56,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:37:56 BasicIcfg
[2020-04-17 22:37:56,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-17 22:37:56,569 INFO L168 Benchmark]: Toolchain (without parser) took 4443.08 ms. Allocated memory was 137.9 MB in the beginning and 248.5 MB in the end (delta: 110.6 MB). Free memory was 100.0 MB in the beginning and 102.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB.
[2020-04-17 22:37:56,574 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-04-17 22:37:56,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.79 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 97.9 MB in the beginning and 158.2 MB in the end (delta: -60.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB.
[2020-04-17 22:37:56,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 202.4 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
[2020-04-17 22:37:56,578 INFO L168 Benchmark]: Boogie Preprocessor took 28.34 ms. Allocated memory is still 202.4 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-17 22:37:56,578 INFO L168 Benchmark]: RCFGBuilder took 474.19 ms. Allocated memory is still 202.4 MB. Free memory was 154.8 MB in the beginning and 132.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
[2020-04-17 22:37:56,581 INFO L168 Benchmark]: TraceAbstraction took 3114.75 ms. Allocated memory was 202.4 MB in the beginning and 248.5 MB in the end (delta: 46.1 MB). Free memory was 131.9 MB in the beginning and 102.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB.
[2020-04-17 22:37:56,592 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.52 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 732.79 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 97.9 MB in the beginning and 158.2 MB in the end (delta: -60.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 63.56 ms. Allocated memory is still 202.4 MB. Free memory was 158.2 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 28.34 ms. Allocated memory is still 202.4 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 474.19 ms. Allocated memory is still 202.4 MB. Free memory was 154.8 MB in the beginning and 132.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3114.75 ms. Allocated memory was 202.4 MB in the beginning and 248.5 MB in the end (delta: 46.1 MB). Free memory was 131.9 MB in the beginning and 102.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 75.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
LbeTime: 1.6s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 663 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 2315 CheckedPairsTotal, 57 TotalNumberOfCompositions
- PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 139 SDtfs, 90 SDslu, 214 SDs, 0 SdLazy, 58 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 3389 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...