/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-01 16:30:53,317 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-06-01 16:30:53,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-01 16:30:53,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-01 16:30:53,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-01 16:30:53,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-01 16:30:53,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-01 16:30:53,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-06-01 16:30:53,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-01 16:30:53,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-06-01 16:30:53,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-06-01 16:30:53,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-01 16:30:53,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-01 16:30:53,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-01 16:30:53,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-01 16:30:53,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-01 16:30:53,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-01 16:30:53,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-01 16:30:53,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-01 16:30:53,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-01 16:30:53,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-01 16:30:53,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-01 16:30:53,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-06-01 16:30:53,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-01 16:30:53,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-06-01 16:30:53,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-06-01 16:30:53,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-06-01 16:30:53,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-06-01 16:30:53,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-06-01 16:30:53,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-01 16:30:53,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-01 16:30:53,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2021-06-01 16:30:53,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2021-06-01 16:30:53,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-06-01 16:30:53,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-06-01 16:30:53,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf
[2021-06-01 16:30:53,395 INFO L113 SettingsManager]: Loading preferences was successful
[2021-06-01 16:30:53,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-01 16:30:53,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-01 16:30:53,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-01 16:30:53,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-01 16:30:53,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-06-01 16:30:53,401 INFO L138 SettingsManager]: * Use SBE=true
[2021-06-01 16:30:53,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-01 16:30:53,401 INFO L138 SettingsManager]: * sizeof long=4
[2021-06-01 16:30:53,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * sizeof long double=12
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-06-01 16:30:53,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-06-01 16:30:53,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 16:30:53,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-01 16:30:53,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-06-01 16:30:53,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-01 16:30:53,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-01 16:30:53,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-01 16:30:53,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-01 16:30:53,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-01 16:30:53,652 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-06-01 16:30:53,653 INFO L275 PluginConnector]: CDTParser initialized
[2021-06-01 16:30:53,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i
[2021-06-01 16:30:53,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98816a61a/2281b164993c4d0ea476ceb5fae08d8a/FLAG781452c7f
[2021-06-01 16:30:54,116 INFO L306 CDTParser]: Found 1 translation units.
[2021-06-01 16:30:54,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i
[2021-06-01 16:30:54,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98816a61a/2281b164993c4d0ea476ceb5fae08d8a/FLAG781452c7f
[2021-06-01 16:30:54,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98816a61a/2281b164993c4d0ea476ceb5fae08d8a
[2021-06-01 16:30:54,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-01 16:30:54,479 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-01 16:30:54,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-01 16:30:54,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-01 16:30:54,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-01 16:30:54,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e34acfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54, skipping insertion in model container
[2021-06-01 16:30:54,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-06-01 16:30:54,535 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-06-01 16:30:54,655 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i[949,962]
[2021-06-01 16:30:54,782 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 16:30:54,788 INFO L203 MainTranslator]: Completed pre-run
[2021-06-01 16:30:54,797 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.opt.i[949,962]
[2021-06-01 16:30:54,824 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 16:30:54,863 INFO L208 MainTranslator]: Completed translation
[2021-06-01 16:30:54,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54 WrapperNode
[2021-06-01 16:30:54,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-01 16:30:54,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-01 16:30:54,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-01 16:30:54,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-01 16:30:54,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-01 16:30:54,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-01 16:30:54,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-01 16:30:54,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-06-01 16:30:54,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
[2021-06-01 16:30:54,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-01 16:30:54,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-01 16:30:54,905 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-06-01 16:30:54,905 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-06-01 16:30:54,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 16:30:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-06-01 16:30:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-01 16:30:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-01 16:30:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-01 16:30:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-06-01 16:30:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-06-01 16:30:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-06-01 16:30:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-06-01 16:30:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2021-06-01 16:30:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2021-06-01 16:30:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2021-06-01 16:30:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2021-06-01 16:30:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-01 16:30:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-01 16:30:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-01 16:30:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-01 16:30:54,952 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-06-01 16:30:55,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-01 16:30:55,253 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-06-01 16:30:55,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 04:30:55 BoogieIcfgContainer
[2021-06-01 16:30:55,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-01 16:30:55,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-01 16:30:55,255 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-06-01 16:30:55,257 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-06-01 16:30:55,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 04:30:54" (1/3) ...
[2021-06-01 16:30:55,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 04:30:55, skipping insertion in model container
[2021-06-01 16:30:55,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:30:54" (2/3) ...
[2021-06-01 16:30:55,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@777209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 04:30:55, skipping insertion in model container
[2021-06-01 16:30:55,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 04:30:55" (3/3) ...
[2021-06-01 16:30:55,259 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_tso.opt.i
[2021-06-01 16:30:55,265 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-01 16:30:55,265 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-01 16:30:55,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-01 16:30:55,266 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-01 16:30:55,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,300 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,301 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,301 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,301 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,302 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,304 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,304 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,305 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,306 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,307 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,309 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,309 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,310 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,314 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,314 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,314 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,316 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,317 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,319 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,320 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:30:55,321 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-01 16:30:55,336 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2021-06-01 16:30:55,358 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-01 16:30:55,359 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-01 16:30:55,359 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-01 16:30:55,359 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-01 16:30:55,359 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-01 16:30:55,359 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-01 16:30:55,359 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-01 16:30:55,359 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-01 16:30:55,370 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 97 transitions, 214 flow
[2021-06-01 16:30:59,514 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 51814 states, 51812 states have (on average 4.368717671581873) internal successors, (226352), 51813 states have internal predecessors, (226352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:30:59,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 51814 states, 51812 states have (on average 4.368717671581873) internal successors, (226352), 51813 states have internal predecessors, (226352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:30:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2021-06-01 16:30:59,667 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:30:59,667 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:30:59,668 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:30:59,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:30:59,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1675625032, now seen corresponding path program 1 times
[2021-06-01 16:30:59,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:30:59,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155127464]
[2021-06-01 16:30:59,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:30:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:00,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:00,077 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:00,077 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155127464]
[2021-06-01 16:31:00,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155127464] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:00,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:00,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:31:00,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705329755]
[2021-06-01 16:31:00,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:31:00,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:00,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:31:00,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:31:00,162 INFO L87 Difference]: Start difference. First operand has 51814 states, 51812 states have (on average 4.368717671581873) internal successors, (226352), 51813 states have internal predecessors, (226352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:01,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:01,382 INFO L93 Difference]: Finished difference Result 115618 states and 491448 transitions.
[2021-06-01 16:31:01,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-01 16:31:01,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55
[2021-06-01 16:31:01,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:01,746 INFO L225 Difference]: With dead ends: 115618
[2021-06-01 16:31:01,746 INFO L226 Difference]: Without dead ends: 36814
[2021-06-01 16:31:01,747 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 206.2ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:01,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36814 states.
[2021-06-01 16:31:02,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36814 to 30478.
[2021-06-01 16:31:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30478 states, 30477 states have (on average 4.128884076516718) internal successors, (125836), 30477 states have internal predecessors, (125836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30478 states to 30478 states and 125836 transitions.
[2021-06-01 16:31:03,010 INFO L78 Accepts]: Start accepts. Automaton has 30478 states and 125836 transitions. Word has length 55
[2021-06-01 16:31:03,011 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:03,011 INFO L482 AbstractCegarLoop]: Abstraction has 30478 states and 125836 transitions.
[2021-06-01 16:31:03,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 30478 states and 125836 transitions.
[2021-06-01 16:31:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2021-06-01 16:31:03,228 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:03,228 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:03,240 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-01 16:31:03,241 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:03,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:03,242 INFO L82 PathProgramCache]: Analyzing trace with hash -728552423, now seen corresponding path program 1 times
[2021-06-01 16:31:03,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:03,242 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483891865]
[2021-06-01 16:31:03,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:03,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:03,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483891865]
[2021-06-01 16:31:03,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483891865] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:03,393 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:03,393 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:31:03,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727098177]
[2021-06-01 16:31:03,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:31:03,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:03,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:31:03,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:31:03,396 INFO L87 Difference]: Start difference. First operand 30478 states and 125836 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:03,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:03,952 INFO L93 Difference]: Finished difference Result 45766 states and 187560 transitions.
[2021-06-01 16:31:03,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-01 16:31:03,953 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57
[2021-06-01 16:31:03,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:04,079 INFO L225 Difference]: With dead ends: 45766
[2021-06-01 16:31:04,080 INFO L226 Difference]: Without dead ends: 36694
[2021-06-01 16:31:04,080 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 122.3ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:04,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36694 states.
[2021-06-01 16:31:04,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36694 to 29230.
[2021-06-01 16:31:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29230 states, 29229 states have (on average 4.115022751377057) internal successors, (120278), 29229 states have internal predecessors, (120278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:05,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29230 states to 29230 states and 120278 transitions.
[2021-06-01 16:31:05,151 INFO L78 Accepts]: Start accepts. Automaton has 29230 states and 120278 transitions. Word has length 57
[2021-06-01 16:31:05,151 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:05,151 INFO L482 AbstractCegarLoop]: Abstraction has 29230 states and 120278 transitions.
[2021-06-01 16:31:05,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29230 states and 120278 transitions.
[2021-06-01 16:31:05,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2021-06-01 16:31:05,193 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:05,193 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:05,194 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-01 16:31:05,194 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:05,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:05,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1714446202, now seen corresponding path program 1 times
[2021-06-01 16:31:05,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:05,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175422318]
[2021-06-01 16:31:05,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:05,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:05,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175422318]
[2021-06-01 16:31:05,283 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175422318] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:05,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:05,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-01 16:31:05,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031486347]
[2021-06-01 16:31:05,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-01 16:31:05,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:05,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-01 16:31:05,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-06-01 16:31:05,285 INFO L87 Difference]: Start difference. First operand 29230 states and 120278 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:05,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:05,771 INFO L93 Difference]: Finished difference Result 50986 states and 207167 transitions.
[2021-06-01 16:31:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-06-01 16:31:05,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59
[2021-06-01 16:31:05,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:05,855 INFO L225 Difference]: With dead ends: 50986
[2021-06-01 16:31:05,855 INFO L226 Difference]: Without dead ends: 29028
[2021-06-01 16:31:05,856 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 100.3ms TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:05,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29028 states.
[2021-06-01 16:31:06,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29028 to 24052.
[2021-06-01 16:31:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24052 states, 24051 states have (on average 4.042576192258118) internal successors, (97228), 24051 states have internal predecessors, (97228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:06,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24052 states to 24052 states and 97228 transitions.
[2021-06-01 16:31:06,520 INFO L78 Accepts]: Start accepts. Automaton has 24052 states and 97228 transitions. Word has length 59
[2021-06-01 16:31:06,520 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:06,521 INFO L482 AbstractCegarLoop]: Abstraction has 24052 states and 97228 transitions.
[2021-06-01 16:31:06,521 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 24052 states and 97228 transitions.
[2021-06-01 16:31:06,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2021-06-01 16:31:06,557 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:06,557 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:06,557 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-01 16:31:06,558 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:06,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:06,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1714578911, now seen corresponding path program 1 times
[2021-06-01 16:31:06,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:06,558 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561885522]
[2021-06-01 16:31:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:06,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:06,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561885522]
[2021-06-01 16:31:06,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561885522] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:06,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:06,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-01 16:31:06,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019700494]
[2021-06-01 16:31:06,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-01 16:31:06,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:06,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-01 16:31:06,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-01 16:31:06,646 INFO L87 Difference]: Start difference. First operand 24052 states and 97228 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:06,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:06,834 INFO L93 Difference]: Finished difference Result 25332 states and 102012 transitions.
[2021-06-01 16:31:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-01 16:31:06,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61
[2021-06-01 16:31:06,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:06,892 INFO L225 Difference]: With dead ends: 25332
[2021-06-01 16:31:06,893 INFO L226 Difference]: Without dead ends: 23092
[2021-06-01 16:31:06,893 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 79.3ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2021-06-01 16:31:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23092 states.
[2021-06-01 16:31:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23092 to 22068.
[2021-06-01 16:31:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22068 states, 22067 states have (on average 4.027552453890425) internal successors, (88876), 22067 states have internal predecessors, (88876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22068 states to 22068 states and 88876 transitions.
[2021-06-01 16:31:07,548 INFO L78 Accepts]: Start accepts. Automaton has 22068 states and 88876 transitions. Word has length 61
[2021-06-01 16:31:07,548 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:07,549 INFO L482 AbstractCegarLoop]: Abstraction has 22068 states and 88876 transitions.
[2021-06-01 16:31:07,549 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 22068 states and 88876 transitions.
[2021-06-01 16:31:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2021-06-01 16:31:07,578 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:07,578 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:07,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-01 16:31:07,579 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:07,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:07,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1749629959, now seen corresponding path program 1 times
[2021-06-01 16:31:07,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:07,579 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592158632]
[2021-06-01 16:31:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:07,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:07,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592158632]
[2021-06-01 16:31:07,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592158632] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:07,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:07,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-01 16:31:07,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852427689]
[2021-06-01 16:31:07,652 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-01 16:31:07,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:07,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-01 16:31:07,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-06-01 16:31:07,653 INFO L87 Difference]: Start difference. First operand 22068 states and 88876 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:08,055 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 23
[2021-06-01 16:31:08,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:08,187 INFO L93 Difference]: Finished difference Result 46036 states and 181948 transitions.
[2021-06-01 16:31:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2021-06-01 16:31:08,188 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2021-06-01 16:31:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:08,240 INFO L225 Difference]: With dead ends: 46036
[2021-06-01 16:31:08,241 INFO L226 Difference]: Without dead ends: 21276
[2021-06-01 16:31:08,241 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 351.2ms TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306
[2021-06-01 16:31:08,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21276 states.
[2021-06-01 16:31:08,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21276 to 16412.
[2021-06-01 16:31:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16412 states, 16411 states have (on average 3.888245688867223) internal successors, (63810), 16411 states have internal predecessors, (63810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16412 states to 16412 states and 63810 transitions.
[2021-06-01 16:31:08,583 INFO L78 Accepts]: Start accepts. Automaton has 16412 states and 63810 transitions. Word has length 62
[2021-06-01 16:31:08,583 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:08,584 INFO L482 AbstractCegarLoop]: Abstraction has 16412 states and 63810 transitions.
[2021-06-01 16:31:08,584 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 16412 states and 63810 transitions.
[2021-06-01 16:31:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2021-06-01 16:31:08,606 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:08,606 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:08,606 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-01 16:31:08,606 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:08,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1358272108, now seen corresponding path program 1 times
[2021-06-01 16:31:08,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:08,607 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70153976]
[2021-06-01 16:31:08,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:08,668 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:08,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70153976]
[2021-06-01 16:31:08,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70153976] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:08,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:08,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:31:08,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439637278]
[2021-06-01 16:31:08,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:31:08,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:08,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:31:08,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:31:08,669 INFO L87 Difference]: Start difference. First operand 16412 states and 63810 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:09,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:09,083 INFO L93 Difference]: Finished difference Result 25564 states and 98786 transitions.
[2021-06-01 16:31:09,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-01 16:31:09,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62
[2021-06-01 16:31:09,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:09,125 INFO L225 Difference]: With dead ends: 25564
[2021-06-01 16:31:09,126 INFO L226 Difference]: Without dead ends: 19804
[2021-06-01 16:31:09,126 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 109.0ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:09,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19804 states.
[2021-06-01 16:31:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19804 to 15084.
[2021-06-01 16:31:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15084 states, 15083 states have (on average 3.872571769541868) internal successors, (58410), 15083 states have internal predecessors, (58410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15084 states to 15084 states and 58410 transitions.
[2021-06-01 16:31:09,423 INFO L78 Accepts]: Start accepts. Automaton has 15084 states and 58410 transitions. Word has length 62
[2021-06-01 16:31:09,423 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:09,423 INFO L482 AbstractCegarLoop]: Abstraction has 15084 states and 58410 transitions.
[2021-06-01 16:31:09,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 15084 states and 58410 transitions.
[2021-06-01 16:31:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2021-06-01 16:31:09,446 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:09,446 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:09,446 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-01 16:31:09,446 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:09,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:09,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1753261216, now seen corresponding path program 1 times
[2021-06-01 16:31:09,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:09,447 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87671240]
[2021-06-01 16:31:09,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:09,502 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:09,502 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87671240]
[2021-06-01 16:31:09,502 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87671240] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:09,502 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:09,503 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:31:09,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701091628]
[2021-06-01 16:31:09,503 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:31:09,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:09,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:31:09,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:31:09,503 INFO L87 Difference]: Start difference. First operand 15084 states and 58410 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:09,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:09,836 INFO L93 Difference]: Finished difference Result 20124 states and 76962 transitions.
[2021-06-01 16:31:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-06-01 16:31:09,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63
[2021-06-01 16:31:09,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:09,859 INFO L225 Difference]: With dead ends: 20124
[2021-06-01 16:31:09,859 INFO L226 Difference]: Without dead ends: 9479
[2021-06-01 16:31:09,859 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 56.3ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2021-06-01 16:31:09,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9479 states.
[2021-06-01 16:31:10,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9479 to 9479.
[2021-06-01 16:31:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9479 states, 9478 states have (on average 3.8269677147077443) internal successors, (36272), 9478 states have internal predecessors, (36272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9479 states to 9479 states and 36272 transitions.
[2021-06-01 16:31:10,049 INFO L78 Accepts]: Start accepts. Automaton has 9479 states and 36272 transitions. Word has length 63
[2021-06-01 16:31:10,049 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:10,049 INFO L482 AbstractCegarLoop]: Abstraction has 9479 states and 36272 transitions.
[2021-06-01 16:31:10,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 9479 states and 36272 transitions.
[2021-06-01 16:31:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2021-06-01 16:31:10,062 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:10,062 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:10,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-01 16:31:10,062 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:10,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:10,062 INFO L82 PathProgramCache]: Analyzing trace with hash 261023848, now seen corresponding path program 2 times
[2021-06-01 16:31:10,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:10,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005196323]
[2021-06-01 16:31:10,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:10,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:10,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:10,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005196323]
[2021-06-01 16:31:10,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005196323] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:10,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:10,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-01 16:31:10,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177066805]
[2021-06-01 16:31:10,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-01 16:31:10,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:10,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-01 16:31:10,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-01 16:31:10,132 INFO L87 Difference]: Start difference. First operand 9479 states and 36272 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:10,261 INFO L93 Difference]: Finished difference Result 12330 states and 46729 transitions.
[2021-06-01 16:31:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-01 16:31:10,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63
[2021-06-01 16:31:10,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:10,282 INFO L225 Difference]: With dead ends: 12330
[2021-06-01 16:31:10,283 INFO L226 Difference]: Without dead ends: 9130
[2021-06-01 16:31:10,283 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 68.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2021-06-01 16:31:10,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9130 states.
[2021-06-01 16:31:10,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9130 to 9130.
[2021-06-01 16:31:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9130 states, 9129 states have (on average 3.8041406506736775) internal successors, (34728), 9129 states have internal predecessors, (34728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9130 states to 9130 states and 34728 transitions.
[2021-06-01 16:31:10,458 INFO L78 Accepts]: Start accepts. Automaton has 9130 states and 34728 transitions. Word has length 63
[2021-06-01 16:31:10,458 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:10,458 INFO L482 AbstractCegarLoop]: Abstraction has 9130 states and 34728 transitions.
[2021-06-01 16:31:10,458 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 9130 states and 34728 transitions.
[2021-06-01 16:31:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2021-06-01 16:31:10,470 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:10,471 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:10,471 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-06-01 16:31:10,471 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:10,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:10,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1335715918, now seen corresponding path program 1 times
[2021-06-01 16:31:10,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:10,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231913487]
[2021-06-01 16:31:10,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:10,531 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:10,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231913487]
[2021-06-01 16:31:10,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231913487] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:10,532 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:10,532 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:31:10,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436725804]
[2021-06-01 16:31:10,532 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:31:10,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:10,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:31:10,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:31:10,533 INFO L87 Difference]: Start difference. First operand 9130 states and 34728 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:10,850 INFO L93 Difference]: Finished difference Result 10600 states and 39578 transitions.
[2021-06-01 16:31:10,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-06-01 16:31:10,851 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64
[2021-06-01 16:31:10,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:10,872 INFO L225 Difference]: With dead ends: 10600
[2021-06-01 16:31:10,872 INFO L226 Difference]: Without dead ends: 7660
[2021-06-01 16:31:10,872 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 78.0ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2021-06-01 16:31:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7660 states.
[2021-06-01 16:31:10,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7660 to 7660.
[2021-06-01 16:31:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7660 states, 7659 states have (on average 3.7181094137615878) internal successors, (28477), 7659 states have internal predecessors, (28477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7660 states to 7660 states and 28477 transitions.
[2021-06-01 16:31:10,988 INFO L78 Accepts]: Start accepts. Automaton has 7660 states and 28477 transitions. Word has length 64
[2021-06-01 16:31:10,988 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:10,989 INFO L482 AbstractCegarLoop]: Abstraction has 7660 states and 28477 transitions.
[2021-06-01 16:31:10,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 7660 states and 28477 transitions.
[2021-06-01 16:31:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2021-06-01 16:31:10,997 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:10,997 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:10,998 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-06-01 16:31:10,998 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:10,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:10,998 INFO L82 PathProgramCache]: Analyzing trace with hash 530155275, now seen corresponding path program 1 times
[2021-06-01 16:31:10,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:10,998 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493582636]
[2021-06-01 16:31:10,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:11,053 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:11,053 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493582636]
[2021-06-01 16:31:11,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493582636] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:11,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:11,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-01 16:31:11,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607796941]
[2021-06-01 16:31:11,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-01 16:31:11,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:11,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-01 16:31:11,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-06-01 16:31:11,054 INFO L87 Difference]: Start difference. First operand 7660 states and 28477 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:11,190 INFO L93 Difference]: Finished difference Result 7003 states and 25387 transitions.
[2021-06-01 16:31:11,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-06-01 16:31:11,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65
[2021-06-01 16:31:11,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:11,198 INFO L225 Difference]: With dead ends: 7003
[2021-06-01 16:31:11,198 INFO L226 Difference]: Without dead ends: 4591
[2021-06-01 16:31:11,199 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 88.9ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:11,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4591 states.
[2021-06-01 16:31:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4591 to 4591.
[2021-06-01 16:31:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4591 states, 4590 states have (on average 3.555773420479303) internal successors, (16321), 4590 states have internal predecessors, (16321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 4591 states and 16321 transitions.
[2021-06-01 16:31:11,256 INFO L78 Accepts]: Start accepts. Automaton has 4591 states and 16321 transitions. Word has length 65
[2021-06-01 16:31:11,256 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:11,257 INFO L482 AbstractCegarLoop]: Abstraction has 4591 states and 16321 transitions.
[2021-06-01 16:31:11,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4591 states and 16321 transitions.
[2021-06-01 16:31:11,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2021-06-01 16:31:11,261 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:11,262 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:11,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-06-01 16:31:11,262 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:11,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:11,262 INFO L82 PathProgramCache]: Analyzing trace with hash -59477818, now seen corresponding path program 1 times
[2021-06-01 16:31:11,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:11,262 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863059784]
[2021-06-01 16:31:11,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:11,317 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:11,317 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863059784]
[2021-06-01 16:31:11,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863059784] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:11,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:11,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-01 16:31:11,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452853212]
[2021-06-01 16:31:11,318 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-01 16:31:11,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:11,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-01 16:31:11,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-06-01 16:31:11,318 INFO L87 Difference]: Start difference. First operand 4591 states and 16321 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:11,412 INFO L93 Difference]: Finished difference Result 5944 states and 20931 transitions.
[2021-06-01 16:31:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-01 16:31:11,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67
[2021-06-01 16:31:11,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:11,421 INFO L225 Difference]: With dead ends: 5944
[2021-06-01 16:31:11,422 INFO L226 Difference]: Without dead ends: 4869
[2021-06-01 16:31:11,422 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 62.1ms TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2021-06-01 16:31:11,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states.
[2021-06-01 16:31:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 4383.
[2021-06-01 16:31:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4383 states, 4382 states have (on average 3.543815609310817) internal successors, (15529), 4382 states have internal predecessors, (15529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 15529 transitions.
[2021-06-01 16:31:11,478 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 15529 transitions. Word has length 67
[2021-06-01 16:31:11,478 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:11,479 INFO L482 AbstractCegarLoop]: Abstraction has 4383 states and 15529 transitions.
[2021-06-01 16:31:11,479 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 15529 transitions.
[2021-06-01 16:31:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2021-06-01 16:31:11,483 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:11,484 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-06-01 16:31:11,484 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-06-01 16:31:11,484 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:11,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:11,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1749123924, now seen corresponding path program 2 times
[2021-06-01 16:31:11,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:11,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965416740]
[2021-06-01 16:31:11,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-06-01 16:31:11,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:11,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965416740]
[2021-06-01 16:31:11,540 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965416740] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:11,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:11,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-06-01 16:31:11,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677946650]
[2021-06-01 16:31:11,540 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-06-01 16:31:11,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:11,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-06-01 16:31:11,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2021-06-01 16:31:11,541 INFO L87 Difference]: Start difference. First operand 4383 states and 15529 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:11,632 INFO L93 Difference]: Finished difference Result 3087 states and 10696 transitions.
[2021-06-01 16:31:11,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-01 16:31:11,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67
[2021-06-01 16:31:11,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:11,633 INFO L225 Difference]: With dead ends: 3087
[2021-06-01 16:31:11,633 INFO L226 Difference]: Without dead ends: 0
[2021-06-01 16:31:11,633 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 81.8ms TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:11,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-06-01 16:31:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-06-01 16:31:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-06-01 16:31:11,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67
[2021-06-01 16:31:11,634 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:11,634 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-06-01 16:31:11,634 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-06-01 16:31:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-06-01 16:31:11,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-06-01 16:31:11,634 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-06-01 16:31:11,635 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-01 16:31:11,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 04:31:11 BasicIcfg
[2021-06-01 16:31:11,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-01 16:31:11,637 INFO L168 Benchmark]: Toolchain (without parser) took 17158.64 ms. Allocated memory was 348.1 MB in the beginning and 10.9 GB in the end (delta: 10.6 GB). Free memory was 310.0 MB in the beginning and 8.9 GB in the end (delta: -8.6 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB.
[2021-06-01 16:31:11,638 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 348.1 MB. Free memory was 328.2 MB in the beginning and 328.1 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 16:31:11,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.03 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 309.0 MB in the end (delta: 802.7 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB.
[2021-06-01 16:31:11,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.46 ms. Allocated memory is still 348.1 MB. Free memory was 309.0 MB in the beginning and 306.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-01 16:31:11,640 INFO L168 Benchmark]: Boogie Preprocessor took 16.98 ms. Allocated memory is still 348.1 MB. Free memory was 306.9 MB in the beginning and 305.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 16:31:11,641 INFO L168 Benchmark]: RCFGBuilder took 349.08 ms. Allocated memory is still 348.1 MB. Free memory was 305.9 MB in the beginning and 278.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB.
[2021-06-01 16:31:11,641 INFO L168 Benchmark]: TraceAbstraction took 16381.83 ms. Allocated memory was 348.1 MB in the beginning and 10.9 GB in the end (delta: 10.6 GB). Free memory was 278.6 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB.
[2021-06-01 16:31:11,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.15 ms. Allocated memory is still 348.1 MB. Free memory was 328.2 MB in the beginning and 328.1 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 382.03 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 309.0 MB in the end (delta: 802.7 kB). Peak memory consumption was 6.8 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 23.46 ms. Allocated memory is still 348.1 MB. Free memory was 309.0 MB in the beginning and 306.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 16.98 ms. Allocated memory is still 348.1 MB. Free memory was 306.9 MB in the beginning and 305.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
* RCFGBuilder took 349.08 ms. Allocated memory is still 348.1 MB. Free memory was 305.9 MB in the beginning and 278.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 16381.83 ms. Allocated memory was 348.1 MB in the beginning and 10.9 GB in the end (delta: 10.6 GB). Free memory was 278.6 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 9 procedures, 126 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16277.5ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 562.5ms, AutomataDifference: 5405.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4155.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1609 SDtfs, 2860 SDslu, 5798 SDs, 0 SdLazy, 569 SolverSat, 143 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 546.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1404.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51814occurred in iteration=0, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4877.3ms AutomataMinimizationTime, 12 MinimizatonAttempts, 29870 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.3ms SsaConstructionTime, 169.0ms SatisfiabilityAnalysisTime, 926.2ms InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 733 ConstructedInterpolants, 0 QuantifiedInterpolants, 3271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
Received shutdown request...