/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-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.oepc.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-b981219
[2020-04-18 06:34:14,985 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-04-18 06:34:14,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-04-18 06:34:15,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-04-18 06:34:15,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-04-18 06:34:15,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-04-18 06:34:15,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-04-18 06:34:15,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-04-18 06:34:15,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-04-18 06:34:15,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-04-18 06:34:15,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-04-18 06:34:15,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-04-18 06:34:15,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-04-18 06:34:15,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-04-18 06:34:15,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-04-18 06:34:15,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-04-18 06:34:15,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-04-18 06:34:15,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-04-18 06:34:15,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-04-18 06:34:15,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-04-18 06:34:15,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-04-18 06:34:15,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-04-18 06:34:15,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-04-18 06:34:15,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-04-18 06:34:15,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-04-18 06:34:15,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-04-18 06:34:15,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-04-18 06:34:15,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-04-18 06:34:15,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-04-18 06:34:15,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-04-18 06:34:15,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-04-18 06:34:15,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-04-18 06:34:15,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-04-18 06:34:15,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-04-18 06:34:15,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2020-04-18 06:34:15,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-04-18 06:34:15,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-04-18 06:34:15,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2020-04-18 06:34:15,077 INFO L113 SettingsManager]: Loading preferences was successful
[2020-04-18 06:34:15,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-04-18 06:34:15,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-04-18 06:34:15,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-04-18 06:34:15,079 INFO L138 SettingsManager]: * Use SBE=true
[2020-04-18 06:34:15,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-04-18 06:34:15,080 INFO L138 SettingsManager]: * sizeof long=4
[2020-04-18 06:34:15,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-04-18 06:34:15,080 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-04-18 06:34:15,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-04-18 06:34:15,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-04-18 06:34:15,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-04-18 06:34:15,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-04-18 06:34:15,081 INFO L138 SettingsManager]: * sizeof long double=12
[2020-04-18 06:34:15,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-04-18 06:34:15,081 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-04-18 06:34:15,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-04-18 06:34:15,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-04-18 06:34:15,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-04-18 06:34:15,082 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-04-18 06:34:15,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-04-18 06:34:15,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-04-18 06:34:15,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-04-18 06:34:15,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-04-18 06:34:15,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-04-18 06:34:15,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-04-18 06:34:15,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-04-18 06:34:15,083 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2020-04-18 06:34:15,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-04-18 06:34:15,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-04-18 06:34:15,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-04-18 06:34:15,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-04-18 06:34:15,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-04-18 06:34:15,386 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-04-18 06:34:15,387 INFO L275 PluginConnector]: CDTParser initialized
[2020-04-18 06:34:15,387 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.oepc.i
[2020-04-18 06:34:15,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18d63b87d/4825a873f3cc4cc79cada833279739ac/FLAG451853072
[2020-04-18 06:34:15,930 INFO L306 CDTParser]: Found 1 translation units.
[2020-04-18 06:34:15,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_tso.oepc.i
[2020-04-18 06:34:15,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18d63b87d/4825a873f3cc4cc79cada833279739ac/FLAG451853072
[2020-04-18 06:34:16,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18d63b87d/4825a873f3cc4cc79cada833279739ac
[2020-04-18 06:34:16,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-04-18 06:34:16,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2020-04-18 06:34:16,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-04-18 06:34:16,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-04-18 06:34:16,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-04-18 06:34:16,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:34:16" (1/1) ...
[2020-04-18 06:34:16,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d44dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:16, skipping insertion in model container
[2020-04-18 06:34:16,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:34:16" (1/1) ...
[2020-04-18 06:34:16,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-04-18 06:34:16,379 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-04-18 06:34:16,932 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 06:34:16,948 INFO L203 MainTranslator]: Completed pre-run
[2020-04-18 06:34:17,009 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-04-18 06:34:17,100 INFO L208 MainTranslator]: Completed translation
[2020-04-18 06:34:17,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17 WrapperNode
[2020-04-18 06:34:17,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-04-18 06:34:17,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-04-18 06:34:17,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-04-18 06:34:17,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2020-04-18 06:34:17,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-04-18 06:34:17,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-04-18 06:34:17,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-04-18 06:34:17,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-04-18 06:34:17,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (1/1) ...
[2020-04-18 06:34:17,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-04-18 06:34:17,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-04-18 06:34:17,183 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-04-18 06:34:17,183 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-04-18 06:34:17,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (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 06:34:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-04-18 06:34:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-04-18 06:34:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-04-18 06:34:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-04-18 06:34:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2020-04-18 06:34:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2020-04-18 06:34:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2020-04-18 06:34:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2020-04-18 06:34:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2020-04-18 06:34:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2020-04-18 06:34:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-04-18 06:34:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-04-18 06:34:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-04-18 06:34:17,247 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 06:34:17,622 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-04-18 06:34:17,622 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-04-18 06:34:17,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:34:17 BoogieIcfgContainer
[2020-04-18 06:34:17,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-04-18 06:34:17,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-04-18 06:34:17,628 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-04-18 06:34:17,631 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-04-18 06:34:17,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:34:16" (1/3) ...
[2020-04-18 06:34:17,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b934ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:34:17, skipping insertion in model container
[2020-04-18 06:34:17,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:34:17" (2/3) ...
[2020-04-18 06:34:17,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b934ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:34:17, skipping insertion in model container
[2020-04-18 06:34:17,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:34:17" (3/3) ...
[2020-04-18 06:34:17,635 INFO L109 eAbstractionObserver]: Analyzing ICFG safe011_tso.oepc.i
[2020-04-18 06:34:17,644 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-04-18 06:34:17,644 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-04-18 06:34:17,650 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-04-18 06:34:17,651 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-04-18 06:34:17,675 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,676 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,676 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,676 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,677 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,677 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,678 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,678 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,678 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,678 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,679 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,679 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,680 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,680 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,680 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,680 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,681 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,681 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,685 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,686 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,686 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,687 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,696 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,697 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,697 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,697 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,700 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,700 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,701 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,701 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-04-18 06:34:17,715 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2020-04-18 06:34:17,733 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-04-18 06:34:17,734 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-04-18 06:34:17,734 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-04-18 06:34:17,734 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-04-18 06:34:17,734 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-04-18 06:34:17,734 INFO L380 AbstractCegarLoop]: Difference is false
[2020-04-18 06:34:17,734 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-04-18 06:34:17,735 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-04-18 06:34:17,748 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 69 transitions, 153 flow
[2020-04-18 06:34:18,282 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8471 states.
[2020-04-18 06:34:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 8471 states.
[2020-04-18 06:34:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-04-18 06:34:18,320 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:18,323 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:18,324 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:18,332 INFO L82 PathProgramCache]: Analyzing trace with hash 853459722, now seen corresponding path program 1 times
[2020-04-18 06:34:18,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:18,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021354155]
[2020-04-18 06:34:18,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:18,811 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 06:34:18,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021354155]
[2020-04-18 06:34:18,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:18,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:34:18,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397381785]
[2020-04-18 06:34:18,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:34:18,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:18,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:34:18,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:34:18,838 INFO L87 Difference]: Start difference. First operand 8471 states. Second operand 7 states.
[2020-04-18 06:34:19,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:19,591 INFO L93 Difference]: Finished difference Result 20201 states and 69645 transitions.
[2020-04-18 06:34:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 06:34:19,593 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35
[2020-04-18 06:34:19,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:19,676 INFO L225 Difference]: With dead ends: 20201
[2020-04-18 06:34:19,676 INFO L226 Difference]: Without dead ends: 6246
[2020-04-18 06:34:19,681 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:34:19,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6246 states.
[2020-04-18 06:34:20,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6246 to 5046.
[2020-04-18 06:34:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5046 states.
[2020-04-18 06:34:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5046 states to 5046 states and 16781 transitions.
[2020-04-18 06:34:20,065 INFO L78 Accepts]: Start accepts. Automaton has 5046 states and 16781 transitions. Word has length 35
[2020-04-18 06:34:20,066 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:20,066 INFO L479 AbstractCegarLoop]: Abstraction has 5046 states and 16781 transitions.
[2020-04-18 06:34:20,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:34:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 5046 states and 16781 transitions.
[2020-04-18 06:34:20,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-04-18 06:34:20,077 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:20,078 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:20,078 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:20,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:20,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1951461621, now seen corresponding path program 1 times
[2020-04-18 06:34:20,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:20,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41498873]
[2020-04-18 06:34:20,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:20,311 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 06:34:20,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41498873]
[2020-04-18 06:34:20,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:20,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:34:20,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986002806]
[2020-04-18 06:34:20,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:34:20,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:20,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:34:20,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:34:20,326 INFO L87 Difference]: Start difference. First operand 5046 states and 16781 transitions. Second operand 7 states.
[2020-04-18 06:34:20,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:20,629 INFO L93 Difference]: Finished difference Result 6782 states and 22372 transitions.
[2020-04-18 06:34:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 06:34:20,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37
[2020-04-18 06:34:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:20,671 INFO L225 Difference]: With dead ends: 6782
[2020-04-18 06:34:20,672 INFO L226 Difference]: Without dead ends: 5642
[2020-04-18 06:34:20,673 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:34:20,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5642 states.
[2020-04-18 06:34:20,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5642 to 4266.
[2020-04-18 06:34:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4266 states.
[2020-04-18 06:34:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4266 states to 4266 states and 14087 transitions.
[2020-04-18 06:34:20,957 INFO L78 Accepts]: Start accepts. Automaton has 4266 states and 14087 transitions. Word has length 37
[2020-04-18 06:34:20,959 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:20,959 INFO L479 AbstractCegarLoop]: Abstraction has 4266 states and 14087 transitions.
[2020-04-18 06:34:20,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:34:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 4266 states and 14087 transitions.
[2020-04-18 06:34:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-04-18 06:34:20,972 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:20,972 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:20,973 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:20,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:20,973 INFO L82 PathProgramCache]: Analyzing trace with hash -487436374, now seen corresponding path program 1 times
[2020-04-18 06:34:20,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:20,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79410342]
[2020-04-18 06:34:20,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:21,164 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 06:34:21,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79410342]
[2020-04-18 06:34:21,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:21,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 06:34:21,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329964424]
[2020-04-18 06:34:21,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-18 06:34:21,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:21,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 06:34:21,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 06:34:21,167 INFO L87 Difference]: Start difference. First operand 4266 states and 14087 transitions. Second operand 6 states.
[2020-04-18 06:34:21,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:21,314 INFO L93 Difference]: Finished difference Result 4906 states and 16114 transitions.
[2020-04-18 06:34:21,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 06:34:21,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39
[2020-04-18 06:34:21,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:21,345 INFO L225 Difference]: With dead ends: 4906
[2020-04-18 06:34:21,345 INFO L226 Difference]: Without dead ends: 4206
[2020-04-18 06:34:21,346 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-04-18 06:34:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states.
[2020-04-18 06:34:21,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 4206.
[2020-04-18 06:34:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4206 states.
[2020-04-18 06:34:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4206 states to 4206 states and 13859 transitions.
[2020-04-18 06:34:21,498 INFO L78 Accepts]: Start accepts. Automaton has 4206 states and 13859 transitions. Word has length 39
[2020-04-18 06:34:21,498 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:21,498 INFO L479 AbstractCegarLoop]: Abstraction has 4206 states and 13859 transitions.
[2020-04-18 06:34:21,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-18 06:34:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4206 states and 13859 transitions.
[2020-04-18 06:34:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-04-18 06:34:21,512 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:21,512 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:21,513 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:21,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1912910474, now seen corresponding path program 1 times
[2020-04-18 06:34:21,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:21,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502629559]
[2020-04-18 06:34:21,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:21,710 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 06:34:21,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502629559]
[2020-04-18 06:34:21,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:21,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:34:21,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913525076]
[2020-04-18 06:34:21,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:34:21,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:21,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:34:21,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:34:21,713 INFO L87 Difference]: Start difference. First operand 4206 states and 13859 transitions. Second operand 7 states.
[2020-04-18 06:34:22,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:22,502 INFO L93 Difference]: Finished difference Result 7002 states and 22568 transitions.
[2020-04-18 06:34:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 06:34:22,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40
[2020-04-18 06:34:22,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:22,545 INFO L225 Difference]: With dead ends: 7002
[2020-04-18 06:34:22,545 INFO L226 Difference]: Without dead ends: 5222
[2020-04-18 06:34:22,546 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:34:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5222 states.
[2020-04-18 06:34:22,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5222 to 3910.
[2020-04-18 06:34:22,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states.
[2020-04-18 06:34:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 12747 transitions.
[2020-04-18 06:34:22,692 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 12747 transitions. Word has length 40
[2020-04-18 06:34:22,693 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:22,693 INFO L479 AbstractCegarLoop]: Abstraction has 3910 states and 12747 transitions.
[2020-04-18 06:34:22,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:34:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 12747 transitions.
[2020-04-18 06:34:22,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-04-18 06:34:22,703 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:22,703 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:22,703 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:22,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:22,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1690682560, now seen corresponding path program 1 times
[2020-04-18 06:34:22,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:22,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531504866]
[2020-04-18 06:34:22,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:22,799 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 06:34:22,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531504866]
[2020-04-18 06:34:22,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:22,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:34:22,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495216306]
[2020-04-18 06:34:22,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:34:22,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:22,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:34:22,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:34:22,801 INFO L87 Difference]: Start difference. First operand 3910 states and 12747 transitions. Second operand 7 states.
[2020-04-18 06:34:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:23,039 INFO L93 Difference]: Finished difference Result 6866 states and 22124 transitions.
[2020-04-18 06:34:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2020-04-18 06:34:23,040 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40
[2020-04-18 06:34:23,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:23,058 INFO L225 Difference]: With dead ends: 6866
[2020-04-18 06:34:23,059 INFO L226 Difference]: Without dead ends: 4926
[2020-04-18 06:34:23,059 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-04-18 06:34:23,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4926 states.
[2020-04-18 06:34:23,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4926 to 3390.
[2020-04-18 06:34:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states.
[2020-04-18 06:34:23,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 10871 transitions.
[2020-04-18 06:34:23,226 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 10871 transitions. Word has length 40
[2020-04-18 06:34:23,226 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:23,226 INFO L479 AbstractCegarLoop]: Abstraction has 3390 states and 10871 transitions.
[2020-04-18 06:34:23,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:34:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 10871 transitions.
[2020-04-18 06:34:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-04-18 06:34:23,236 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:23,236 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:23,236 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:23,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:23,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1776565077, now seen corresponding path program 1 times
[2020-04-18 06:34:23,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:23,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404954425]
[2020-04-18 06:34:23,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:23,347 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 06:34:23,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404954425]
[2020-04-18 06:34:23,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:23,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:34:23,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230994584]
[2020-04-18 06:34:23,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:34:23,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:23,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:34:23,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:34:23,350 INFO L87 Difference]: Start difference. First operand 3390 states and 10871 transitions. Second operand 7 states.
[2020-04-18 06:34:23,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:23,522 INFO L93 Difference]: Finished difference Result 4272 states and 13494 transitions.
[2020-04-18 06:34:23,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-04-18 06:34:23,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41
[2020-04-18 06:34:23,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:23,531 INFO L225 Difference]: With dead ends: 4272
[2020-04-18 06:34:23,532 INFO L226 Difference]: Without dead ends: 2057
[2020-04-18 06:34:23,532 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182
[2020-04-18 06:34:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states.
[2020-04-18 06:34:23,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2057.
[2020-04-18 06:34:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2057 states.
[2020-04-18 06:34:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 6285 transitions.
[2020-04-18 06:34:23,580 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 6285 transitions. Word has length 41
[2020-04-18 06:34:23,580 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:23,580 INFO L479 AbstractCegarLoop]: Abstraction has 2057 states and 6285 transitions.
[2020-04-18 06:34:23,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:34:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 6285 transitions.
[2020-04-18 06:34:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2020-04-18 06:34:23,586 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:23,586 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:23,586 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:23,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:23,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1629639079, now seen corresponding path program 1 times
[2020-04-18 06:34:23,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:23,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102460428]
[2020-04-18 06:34:23,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:23,727 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 06:34:23,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102460428]
[2020-04-18 06:34:23,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:23,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-04-18 06:34:23,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133209346]
[2020-04-18 06:34:23,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-04-18 06:34:23,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:23,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-04-18 06:34:23,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-04-18 06:34:23,730 INFO L87 Difference]: Start difference. First operand 2057 states and 6285 transitions. Second operand 6 states.
[2020-04-18 06:34:23,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:23,869 INFO L93 Difference]: Finished difference Result 2534 states and 7623 transitions.
[2020-04-18 06:34:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-04-18 06:34:23,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42
[2020-04-18 06:34:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:23,878 INFO L225 Difference]: With dead ends: 2534
[2020-04-18 06:34:23,878 INFO L226 Difference]: Without dead ends: 1838
[2020-04-18 06:34:23,879 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2020-04-18 06:34:23,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states.
[2020-04-18 06:34:23,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838.
[2020-04-18 06:34:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states.
[2020-04-18 06:34:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 5510 transitions.
[2020-04-18 06:34:23,935 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 5510 transitions. Word has length 42
[2020-04-18 06:34:23,936 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:23,936 INFO L479 AbstractCegarLoop]: Abstraction has 1838 states and 5510 transitions.
[2020-04-18 06:34:23,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-04-18 06:34:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 5510 transitions.
[2020-04-18 06:34:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-04-18 06:34:23,941 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:23,942 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:23,942 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:23,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:23,942 INFO L82 PathProgramCache]: Analyzing trace with hash 2080594988, now seen corresponding path program 1 times
[2020-04-18 06:34:23,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:23,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213238255]
[2020-04-18 06:34:23,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:24,087 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 06:34:24,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213238255]
[2020-04-18 06:34:24,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:24,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-04-18 06:34:24,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245654725]
[2020-04-18 06:34:24,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-04-18 06:34:24,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:24,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-04-18 06:34:24,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-04-18 06:34:24,090 INFO L87 Difference]: Start difference. First operand 1838 states and 5510 transitions. Second operand 7 states.
[2020-04-18 06:34:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:24,224 INFO L93 Difference]: Finished difference Result 1775 states and 5150 transitions.
[2020-04-18 06:34:24,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-04-18 06:34:24,225 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43
[2020-04-18 06:34:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:24,228 INFO L225 Difference]: With dead ends: 1775
[2020-04-18 06:34:24,229 INFO L226 Difference]: Without dead ends: 1187
[2020-04-18 06:34:24,229 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2020-04-18 06:34:24,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states.
[2020-04-18 06:34:24,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187.
[2020-04-18 06:34:24,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states.
[2020-04-18 06:34:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 3354 transitions.
[2020-04-18 06:34:24,258 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 3354 transitions. Word has length 43
[2020-04-18 06:34:24,258 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:24,258 INFO L479 AbstractCegarLoop]: Abstraction has 1187 states and 3354 transitions.
[2020-04-18 06:34:24,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-04-18 06:34:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 3354 transitions.
[2020-04-18 06:34:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-04-18 06:34:24,261 INFO L417 BasicCegarLoop]: Found error trace
[2020-04-18 06:34:24,261 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-04-18 06:34:24,262 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-04-18 06:34:24,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-04-18 06:34:24,262 INFO L82 PathProgramCache]: Analyzing trace with hash 935106797, now seen corresponding path program 1 times
[2020-04-18 06:34:24,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-04-18 06:34:24,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619318542]
[2020-04-18 06:34:24,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-04-18 06:34:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-04-18 06:34:24,403 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 06:34:24,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619318542]
[2020-04-18 06:34:24,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-04-18 06:34:24,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-04-18 06:34:24,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766953622]
[2020-04-18 06:34:24,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-04-18 06:34:24,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-04-18 06:34:24,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-04-18 06:34:24,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-04-18 06:34:24,406 INFO L87 Difference]: Start difference. First operand 1187 states and 3354 transitions. Second operand 8 states.
[2020-04-18 06:34:24,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-04-18 06:34:24,509 INFO L93 Difference]: Finished difference Result 755 states and 2031 transitions.
[2020-04-18 06:34:24,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-04-18 06:34:24,510 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45
[2020-04-18 06:34:24,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-04-18 06:34:24,510 INFO L225 Difference]: With dead ends: 755
[2020-04-18 06:34:24,510 INFO L226 Difference]: Without dead ends: 0
[2020-04-18 06:34:24,511 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-04-18 06:34:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-04-18 06:34:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-04-18 06:34:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-04-18 06:34:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-04-18 06:34:24,512 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45
[2020-04-18 06:34:24,512 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-04-18 06:34:24,512 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-04-18 06:34:24,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-04-18 06:34:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-04-18 06:34:24,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-04-18 06:34:24,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:34:24 BasicIcfg
[2020-04-18 06:34:24,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-04-18 06:34:24,521 INFO L168 Benchmark]: Toolchain (without parser) took 8224.33 ms. Allocated memory was 145.8 MB in the beginning and 460.3 MB in the end (delta: 314.6 MB). Free memory was 102.0 MB in the beginning and 363.2 MB in the end (delta: -261.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB.
[2020-04-18 06:34:24,522 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-04-18 06:34:24,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.13 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 158.9 MB in the end (delta: -58.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
[2020-04-18 06:34:24,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.54 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-04-18 06:34:24,524 INFO L168 Benchmark]: Boogie Preprocessor took 26.82 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 155.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
[2020-04-18 06:34:24,525 INFO L168 Benchmark]: RCFGBuilder took 444.12 ms. Allocated memory is still 203.9 MB. Free memory was 154.7 MB in the beginning and 133.3 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
[2020-04-18 06:34:24,526 INFO L168 Benchmark]: TraceAbstraction took 6890.22 ms. Allocated memory was 203.9 MB in the beginning and 460.3 MB in the end (delta: 256.4 MB). Free memory was 132.6 MB in the beginning and 363.2 MB in the end (delta: -230.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB.
[2020-04-18 06:34:24,530 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 789.13 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 158.9 MB in the end (delta: -58.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 53.54 ms. Allocated memory is still 203.9 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 26.82 ms. Allocated memory is still 203.9 MB. Free memory was 156.7 MB in the beginning and 155.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 444.12 ms. Allocated memory is still 203.9 MB. Free memory was 154.7 MB in the beginning and 133.3 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 6890.22 ms. Allocated memory was 203.9 MB in the beginning and 460.3 MB in the end (delta: 256.4 MB). Free memory was 132.6 MB in the beginning and 363.2 MB in the end (delta: -230.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- 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, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 867 SDtfs, 1427 SDslu, 2980 SDs, 0 SdLazy, 354 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8471occurred 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: 1.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 5424 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 353 ConstructedInterpolants, 0 QuantifiedInterpolants, 55949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...