/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/safe019_pso.opt.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788
[2021-06-01 16:31:46,375 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-06-01 16:31:46,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-06-01 16:31:46,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-06-01 16:31:46,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-06-01 16:31:46,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-06-01 16:31:46,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-06-01 16:31:46,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-06-01 16:31:46,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-06-01 16:31:46,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-06-01 16:31:46,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-06-01 16:31:46,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-06-01 16:31:46,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-06-01 16:31:46,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-06-01 16:31:46,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-06-01 16:31:46,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-06-01 16:31:46,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-06-01 16:31:46,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-06-01 16:31:46,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-06-01 16:31:46,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-06-01 16:31:46,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-06-01 16:31:46,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-06-01 16:31:46,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-06-01 16:31:46,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-06-01 16:31:46,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-06-01 16:31:46,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-06-01 16:31:46,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-06-01 16:31:46,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-06-01 16:31:46,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-06-01 16:31:46,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-06-01 16:31:46,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-06-01 16:31:46,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-06-01 16:31:46,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2021-06-01 16:31:46,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-06-01 16:31:46,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-06-01 16:31:46,452 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 16:31:46,479 INFO L113 SettingsManager]: Loading preferences was successful
[2021-06-01 16:31:46,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-06-01 16:31:46,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-06-01 16:31:46,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-06-01 16:31:46,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-06-01 16:31:46,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-06-01 16:31:46,482 INFO L138 SettingsManager]: * Use SBE=true
[2021-06-01 16:31:46,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-06-01 16:31:46,482 INFO L138 SettingsManager]: * sizeof long=4
[2021-06-01 16:31:46,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * sizeof long double=12
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-06-01 16:31:46,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-06-01 16:31:46,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-06-01 16:31:46,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-06-01 16:31:46,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-06-01 16:31:46,484 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-06-01 16:31:46,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-06-01 16:31:46,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-06-01 16:31:46,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-06-01 16:31:46,746 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-06-01 16:31:46,746 INFO L275 PluginConnector]: CDTParser initialized
[2021-06-01 16:31:46,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i
[2021-06-01 16:31:46,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494ab3537/13c313613e8c42ebb07aea71698ccc47/FLAG011b3dd02
[2021-06-01 16:31:47,242 INFO L306 CDTParser]: Found 1 translation units.
[2021-06-01 16:31:47,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_pso.opt.i
[2021-06-01 16:31:47,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494ab3537/13c313613e8c42ebb07aea71698ccc47/FLAG011b3dd02
[2021-06-01 16:31:47,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/494ab3537/13c313613e8c42ebb07aea71698ccc47
[2021-06-01 16:31:47,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-06-01 16:31:47,273 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-06-01 16:31:47,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-06-01 16:31:47,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-06-01 16:31:47,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-06-01 16:31:47,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c37b701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47, skipping insertion in model container
[2021-06-01 16:31:47,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-06-01 16:31:47,324 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-06-01 16:31:47,498 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/safe019_pso.opt.i[949,962]
[2021-06-01 16:31:47,604 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 16:31:47,612 INFO L203 MainTranslator]: Completed pre-run
[2021-06-01 16:31:47,627 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/safe019_pso.opt.i[949,962]
[2021-06-01 16:31:47,661 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-06-01 16:31:47,705 INFO L208 MainTranslator]: Completed translation
[2021-06-01 16:31:47,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47 WrapperNode
[2021-06-01 16:31:47,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-06-01 16:31:47,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-06-01 16:31:47,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-06-01 16:31:47,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-06-01 16:31:47,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-06-01 16:31:47,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-06-01 16:31:47,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-06-01 16:31:47,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-06-01 16:31:47,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (1/1) ...
[2021-06-01 16:31:47,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-06-01 16:31:47,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-06-01 16:31:47,774 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-06-01 16:31:47,774 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-06-01 16:31:47,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (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 16:31:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-06-01 16:31:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-06-01 16:31:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-06-01 16:31:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-06-01 16:31:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-06-01 16:31:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-06-01 16:31:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-06-01 16:31:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-06-01 16:31:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2021-06-01 16:31:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2021-06-01 16:31:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2021-06-01 16:31:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2021-06-01 16:31:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-06-01 16:31:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-06-01 16:31:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-06-01 16:31:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-06-01 16:31:47,845 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 16:31:48,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-06-01 16:31:48,206 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-06-01 16:31:48,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 04:31:48 BoogieIcfgContainer
[2021-06-01 16:31:48,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-06-01 16:31:48,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-06-01 16:31:48,210 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-06-01 16:31:48,212 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-06-01 16:31:48,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 04:31:47" (1/3) ...
[2021-06-01 16:31:48,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715ea0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 04:31:48, skipping insertion in model container
[2021-06-01 16:31:48,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 04:31:47" (2/3) ...
[2021-06-01 16:31:48,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715ea0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 04:31:48, skipping insertion in model container
[2021-06-01 16:31:48,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 04:31:48" (3/3) ...
[2021-06-01 16:31:48,214 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.opt.i
[2021-06-01 16:31:48,221 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-06-01 16:31:48,222 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-06-01 16:31:48,222 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-06-01 16:31:48,222 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-06-01 16:31:48,256 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,257 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,257 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,258 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,259 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,259 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,259 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,261 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,262 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,262 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,263 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,263 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,264 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,264 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,264 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,265 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,265 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,265 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,269 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,270 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,272 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,272 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,272 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,276 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,276 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,277 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,278 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,278 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,281 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,281 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,281 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-06-01 16:31:48,283 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-06-01 16:31:48,297 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2021-06-01 16:31:48,310 INFO L378 AbstractCegarLoop]: Interprodecural is true
[2021-06-01 16:31:48,310 INFO L379 AbstractCegarLoop]: Hoare is false
[2021-06-01 16:31:48,310 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-06-01 16:31:48,310 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-06-01 16:31:48,310 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-06-01 16:31:48,310 INFO L383 AbstractCegarLoop]: Difference is false
[2021-06-01 16:31:48,310 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-06-01 16:31:48,310 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start========
[2021-06-01 16:31:48,322 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 98 transitions, 216 flow
[2021-06-01 16:31:53,148 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 51815 states, 51813 states have (on average 4.368652654739158) internal successors, (226353), 51814 states have internal predecessors, (226353), 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 16:31:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 51815 states, 51813 states have (on average 4.368652654739158) internal successors, (226353), 51814 states have internal predecessors, (226353), 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 16:31:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2021-06-01 16:31:53,273 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:53,274 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]
[2021-06-01 16:31:53,274 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:53,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:53,278 INFO L82 PathProgramCache]: Analyzing trace with hash -352002722, now seen corresponding path program 1 times
[2021-06-01 16:31:53,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:53,283 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136578459]
[2021-06-01 16:31:53,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:53,686 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 16:31:53,686 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:53,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136578459]
[2021-06-01 16:31:53,687 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136578459] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:53,687 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:53,687 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-01 16:31:53,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464201886]
[2021-06-01 16:31:53,690 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-01 16:31:53,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:53,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-01 16:31:53,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-01 16:31:53,761 INFO L87 Difference]: Start difference. First operand has 51815 states, 51813 states have (on average 4.368652654739158) internal successors, (226353), 51814 states have internal predecessors, (226353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 16:31:54,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:54,915 INFO L93 Difference]: Finished difference Result 117467 states and 500195 transitions.
[2021-06-01 16:31:54,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-01 16:31:54,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 56
[2021-06-01 16:31:54,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:55,229 INFO L225 Difference]: With dead ends: 117467
[2021-06-01 16:31:55,229 INFO L226 Difference]: Without dead ends: 37367
[2021-06-01 16:31:55,230 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 106.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2021-06-01 16:31:55,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37367 states.
[2021-06-01 16:31:56,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37367 to 31895.
[2021-06-01 16:31:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31895 states, 31894 states have (on average 4.172916536025585) internal successors, (133091), 31894 states have internal predecessors, (133091), 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 16:31:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31895 states to 31895 states and 133091 transitions.
[2021-06-01 16:31:56,763 INFO L78 Accepts]: Start accepts. Automaton has 31895 states and 133091 transitions. Word has length 56
[2021-06-01 16:31:56,777 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:56,778 INFO L482 AbstractCegarLoop]: Abstraction has 31895 states and 133091 transitions.
[2021-06-01 16:31:56,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 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 16:31:56,778 INFO L276 IsEmpty]: Start isEmpty. Operand 31895 states and 133091 transitions.
[2021-06-01 16:31:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2021-06-01 16:31:56,850 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:56,850 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]
[2021-06-01 16:31:56,850 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-06-01 16:31:56,851 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:56,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:56,851 INFO L82 PathProgramCache]: Analyzing trace with hash -60288259, now seen corresponding path program 1 times
[2021-06-01 16:31:56,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:56,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806356133]
[2021-06-01 16:31:56,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:56,999 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 16:31:56,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:57,000 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806356133]
[2021-06-01 16:31:57,000 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806356133] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:57,000 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:57,000 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:31:57,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119783391]
[2021-06-01 16:31:57,001 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:31:57,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:57,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:31:57,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:31:57,002 INFO L87 Difference]: Start difference. First operand 31895 states and 133091 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 16:31:57,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:57,461 INFO L93 Difference]: Finished difference Result 44255 states and 182439 transitions.
[2021-06-01 16:31:57,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-01 16:31:57,461 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 58
[2021-06-01 16:31:57,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:57,576 INFO L225 Difference]: With dead ends: 44255
[2021-06-01 16:31:57,577 INFO L226 Difference]: Without dead ends: 34127
[2021-06-01 16:31:57,577 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 156.5ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:57,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34127 states.
[2021-06-01 16:31:58,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34127 to 30095.
[2021-06-01 16:31:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30095 states, 30094 states have (on average 4.148567820828072) internal successors, (124847), 30094 states have internal predecessors, (124847), 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 16:31:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30095 states to 30095 states and 124847 transitions.
[2021-06-01 16:31:58,862 INFO L78 Accepts]: Start accepts. Automaton has 30095 states and 124847 transitions. Word has length 58
[2021-06-01 16:31:58,863 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:31:58,863 INFO L482 AbstractCegarLoop]: Abstraction has 30095 states and 124847 transitions.
[2021-06-01 16:31:58,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 16:31:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 30095 states and 124847 transitions.
[2021-06-01 16:31:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2021-06-01 16:31:58,902 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:31:58,902 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]
[2021-06-01 16:31:58,902 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-06-01 16:31:58,902 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:31:58,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:31:58,903 INFO L82 PathProgramCache]: Analyzing trace with hash -58694435, now seen corresponding path program 1 times
[2021-06-01 16:31:58,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:31:58,903 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461224966]
[2021-06-01 16:31:58,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:31:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:31:59,034 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 16:31:59,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:31:59,035 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461224966]
[2021-06-01 16:31:59,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461224966] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:31:59,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:31:59,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:31:59,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701635526]
[2021-06-01 16:31:59,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:31:59,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:31:59,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:31:59,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:31:59,040 INFO L87 Difference]: Start difference. First operand 30095 states and 124847 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 16:31:59,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:31:59,591 INFO L93 Difference]: Finished difference Result 37583 states and 154151 transitions.
[2021-06-01 16:31:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2021-06-01 16:31:59,591 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 58
[2021-06-01 16:31:59,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:31:59,696 INFO L225 Difference]: With dead ends: 37583
[2021-06-01 16:31:59,697 INFO L226 Difference]: Without dead ends: 30959
[2021-06-01 16:31:59,697 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 132.8ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:31:59,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30959 states.
[2021-06-01 16:32:00,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30959 to 26543.
[2021-06-01 16:32:00,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26543 states, 26542 states have (on average 4.122937231557532) internal successors, (109431), 26542 states have internal predecessors, (109431), 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 16:32:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26543 states to 26543 states and 109431 transitions.
[2021-06-01 16:32:00,499 INFO L78 Accepts]: Start accepts. Automaton has 26543 states and 109431 transitions. Word has length 58
[2021-06-01 16:32:00,499 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:00,500 INFO L482 AbstractCegarLoop]: Abstraction has 26543 states and 109431 transitions.
[2021-06-01 16:32:00,500 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 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 16:32:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 26543 states and 109431 transitions.
[2021-06-01 16:32:00,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2021-06-01 16:32:00,536 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:00,537 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]
[2021-06-01 16:32:00,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-06-01 16:32:00,537 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:00,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:00,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1106030268, now seen corresponding path program 1 times
[2021-06-01 16:32:00,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:00,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200142701]
[2021-06-01 16:32:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:00,644 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 16:32:00,644 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:00,644 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200142701]
[2021-06-01 16:32:00,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200142701] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:00,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:00,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-01 16:32:00,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878991882]
[2021-06-01 16:32:00,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-01 16:32:00,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:00,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-01 16:32:00,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2021-06-01 16:32:00,646 INFO L87 Difference]: Start difference. First operand 26543 states and 109431 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 16:32:00,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:00,945 INFO L93 Difference]: Finished difference Result 43247 states and 177255 transitions.
[2021-06-01 16:32:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-06-01 16:32:00,946 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 60
[2021-06-01 16:32:00,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:01,012 INFO L225 Difference]: With dead ends: 43247
[2021-06-01 16:32:01,013 INFO L226 Difference]: Without dead ends: 24348
[2021-06-01 16:32:01,013 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 79.5ms TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2021-06-01 16:32:01,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24348 states.
[2021-06-01 16:32:01,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24348 to 21468.
[2021-06-01 16:32:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21468 states, 21467 states have (on average 4.125075697582336) internal successors, (88553), 21467 states have internal predecessors, (88553), 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 16:32:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21468 states to 21468 states and 88553 transitions.
[2021-06-01 16:32:01,696 INFO L78 Accepts]: Start accepts. Automaton has 21468 states and 88553 transitions. Word has length 60
[2021-06-01 16:32:01,696 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:01,696 INFO L482 AbstractCegarLoop]: Abstraction has 21468 states and 88553 transitions.
[2021-06-01 16:32:01,696 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 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 16:32:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 21468 states and 88553 transitions.
[2021-06-01 16:32:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2021-06-01 16:32:01,723 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:01,723 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]
[2021-06-01 16:32:01,723 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-06-01 16:32:01,723 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:01,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:01,723 INFO L82 PathProgramCache]: Analyzing trace with hash 791952140, now seen corresponding path program 2 times
[2021-06-01 16:32:01,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:01,724 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361709438]
[2021-06-01 16:32:01,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:01,786 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 16:32:01,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:01,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361709438]
[2021-06-01 16:32:01,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361709438] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:01,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:01,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-01 16:32:01,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678268014]
[2021-06-01 16:32:01,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-01 16:32:01,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:01,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-01 16:32:01,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-01 16:32:01,788 INFO L87 Difference]: Start difference. First operand 21468 states and 88553 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 16:32:01,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:01,970 INFO L93 Difference]: Finished difference Result 23388 states and 95889 transitions.
[2021-06-01 16:32:01,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-01 16:32:01,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 60
[2021-06-01 16:32:01,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:02,020 INFO L225 Difference]: With dead ends: 23388
[2021-06-01 16:32:02,021 INFO L226 Difference]: Without dead ends: 20028
[2021-06-01 16:32:02,021 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 72.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2021-06-01 16:32:02,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20028 states.
[2021-06-01 16:32:02,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20028 to 20028.
[2021-06-01 16:32:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20028 states, 20027 states have (on average 4.106506216607579) internal successors, (82241), 20027 states have internal predecessors, (82241), 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 16:32:02,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20028 states to 20028 states and 82241 transitions.
[2021-06-01 16:32:02,647 INFO L78 Accepts]: Start accepts. Automaton has 20028 states and 82241 transitions. Word has length 60
[2021-06-01 16:32:02,647 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:02,647 INFO L482 AbstractCegarLoop]: Abstraction has 20028 states and 82241 transitions.
[2021-06-01 16:32:02,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 16:32:02,647 INFO L276 IsEmpty]: Start isEmpty. Operand 20028 states and 82241 transitions.
[2021-06-01 16:32:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2021-06-01 16:32:02,673 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:02,673 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 16:32:02,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-06-01 16:32:02,673 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:02,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:02,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1686656635, now seen corresponding path program 1 times
[2021-06-01 16:32:02,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:02,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273824254]
[2021-06-01 16:32:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:02,743 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 16:32:02,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:02,744 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273824254]
[2021-06-01 16:32:02,744 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273824254] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:02,744 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:02,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-01 16:32:02,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92195848]
[2021-06-01 16:32:02,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-01 16:32:02,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:02,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-01 16:32:02,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-06-01 16:32:02,745 INFO L87 Difference]: Start difference. First operand 20028 states and 82241 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 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 16:32:03,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:03,238 INFO L93 Difference]: Finished difference Result 32404 states and 131355 transitions.
[2021-06-01 16:32:03,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-06-01 16:32:03,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 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 16:32:03,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:03,337 INFO L225 Difference]: With dead ends: 32404
[2021-06-01 16:32:03,338 INFO L226 Difference]: Without dead ends: 17416
[2021-06-01 16:32:03,338 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 102.4ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:32:03,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17416 states.
[2021-06-01 16:32:03,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17416 to 14472.
[2021-06-01 16:32:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14472 states, 14471 states have (on average 4.010296454978923) internal successors, (58033), 14471 states have internal predecessors, (58033), 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 16:32:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14472 states to 14472 states and 58033 transitions.
[2021-06-01 16:32:03,654 INFO L78 Accepts]: Start accepts. Automaton has 14472 states and 58033 transitions. Word has length 61
[2021-06-01 16:32:03,655 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:03,655 INFO L482 AbstractCegarLoop]: Abstraction has 14472 states and 58033 transitions.
[2021-06-01 16:32:03,655 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 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 16:32:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 14472 states and 58033 transitions.
[2021-06-01 16:32:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2021-06-01 16:32:03,673 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:03,673 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 16:32:03,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-06-01 16:32:03,673 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:03,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:03,673 INFO L82 PathProgramCache]: Analyzing trace with hash -2060880144, now seen corresponding path program 1 times
[2021-06-01 16:32:03,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:03,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211539879]
[2021-06-01 16:32:03,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:03,726 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 16:32:03,726 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:03,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211539879]
[2021-06-01 16:32:03,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211539879] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:03,727 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:03,727 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:32:03,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138694632]
[2021-06-01 16:32:03,727 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:32:03,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:03,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:32:03,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:32:03,728 INFO L87 Difference]: Start difference. First operand 14472 states and 58033 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 16:32:03,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:03,908 INFO L93 Difference]: Finished difference Result 22216 states and 88433 transitions.
[2021-06-01 16:32:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-06-01 16:32:03,908 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 16:32:03,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:03,946 INFO L225 Difference]: With dead ends: 22216
[2021-06-01 16:32:03,946 INFO L226 Difference]: Without dead ends: 14920
[2021-06-01 16:32:03,946 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 83.0ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2021-06-01 16:32:03,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14920 states.
[2021-06-01 16:32:04,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14920 to 13000.
[2021-06-01 16:32:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13000 states, 12999 states have (on average 3.95484268020617) internal successors, (51409), 12999 states have internal predecessors, (51409), 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 16:32:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13000 states to 13000 states and 51409 transitions.
[2021-06-01 16:32:04,445 INFO L78 Accepts]: Start accepts. Automaton has 13000 states and 51409 transitions. Word has length 63
[2021-06-01 16:32:04,445 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:04,445 INFO L482 AbstractCegarLoop]: Abstraction has 13000 states and 51409 transitions.
[2021-06-01 16:32:04,445 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 16:32:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 13000 states and 51409 transitions.
[2021-06-01 16:32:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2021-06-01 16:32:04,462 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:04,463 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 16:32:04,463 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-06-01 16:32:04,463 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:04,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:04,463 INFO L82 PathProgramCache]: Analyzing trace with hash -583689558, now seen corresponding path program 1 times
[2021-06-01 16:32:04,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:04,463 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996562343]
[2021-06-01 16:32:04,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:04,535 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 16:32:04,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:04,535 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996562343]
[2021-06-01 16:32:04,535 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996562343] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:04,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:04,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-06-01 16:32:04,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374200158]
[2021-06-01 16:32:04,536 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-06-01 16:32:04,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:04,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-06-01 16:32:04,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-06-01 16:32:04,537 INFO L87 Difference]: Start difference. First operand 13000 states and 51409 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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 16:32:04,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:04,720 INFO L93 Difference]: Finished difference Result 17372 states and 68227 transitions.
[2021-06-01 16:32:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-06-01 16:32:04,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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 16:32:04,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:04,752 INFO L225 Difference]: With dead ends: 17372
[2021-06-01 16:32:04,753 INFO L226 Difference]: Without dead ends: 12636
[2021-06-01 16:32:04,753 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 80.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2021-06-01 16:32:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12636 states.
[2021-06-01 16:32:04,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12636 to 12636.
[2021-06-01 16:32:04,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12636 states, 12635 states have (on average 3.9381875741986545) internal successors, (49759), 12635 states have internal predecessors, (49759), 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 16:32:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12636 states to 12636 states and 49759 transitions.
[2021-06-01 16:32:05,031 INFO L78 Accepts]: Start accepts. Automaton has 12636 states and 49759 transitions. Word has length 64
[2021-06-01 16:32:05,031 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:05,032 INFO L482 AbstractCegarLoop]: Abstraction has 12636 states and 49759 transitions.
[2021-06-01 16:32:05,032 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 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 16:32:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 12636 states and 49759 transitions.
[2021-06-01 16:32:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2021-06-01 16:32:05,049 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:05,049 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 16:32:05,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-06-01 16:32:05,049 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:05,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:05,050 INFO L82 PathProgramCache]: Analyzing trace with hash 613569449, now seen corresponding path program 1 times
[2021-06-01 16:32:05,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:05,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026732068]
[2021-06-01 16:32:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:05,130 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 16:32:05,130 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:05,130 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026732068]
[2021-06-01 16:32:05,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026732068] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:05,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:05,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:32:05,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606122695]
[2021-06-01 16:32:05,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:32:05,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:05,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:32:05,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:32:05,131 INFO L87 Difference]: Start difference. First operand 12636 states and 49759 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 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 16:32:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:05,420 INFO L93 Difference]: Finished difference Result 15534 states and 60340 transitions.
[2021-06-01 16:32:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2021-06-01 16:32:05,421 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 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 16:32:05,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:05,445 INFO L225 Difference]: With dead ends: 15534
[2021-06-01 16:32:05,445 INFO L226 Difference]: Without dead ends: 11070
[2021-06-01 16:32:05,445 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 77.9ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156
[2021-06-01 16:32:05,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11070 states.
[2021-06-01 16:32:05,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11070 to 11070.
[2021-06-01 16:32:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11070 states, 11069 states have (on average 3.8690035233535096) internal successors, (42826), 11069 states have internal predecessors, (42826), 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 16:32:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11070 states to 11070 states and 42826 transitions.
[2021-06-01 16:32:05,638 INFO L78 Accepts]: Start accepts. Automaton has 11070 states and 42826 transitions. Word has length 65
[2021-06-01 16:32:05,638 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:05,638 INFO L482 AbstractCegarLoop]: Abstraction has 11070 states and 42826 transitions.
[2021-06-01 16:32:05,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 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 16:32:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 11070 states and 42826 transitions.
[2021-06-01 16:32:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2021-06-01 16:32:05,655 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:05,655 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]
[2021-06-01 16:32:05,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-06-01 16:32:05,655 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:05,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:05,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1241656395, now seen corresponding path program 1 times
[2021-06-01 16:32:05,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:05,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765143074]
[2021-06-01 16:32:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:05,714 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 16:32:05,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:05,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765143074]
[2021-06-01 16:32:05,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765143074] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:05,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:05,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2021-06-01 16:32:05,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358498193]
[2021-06-01 16:32:05,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-06-01 16:32:05,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:05,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-06-01 16:32:05,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-06-01 16:32:05,715 INFO L87 Difference]: Start difference. First operand 11070 states and 42826 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 16:32:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:05,871 INFO L93 Difference]: Finished difference Result 11547 states and 43804 transitions.
[2021-06-01 16:32:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2021-06-01 16:32:05,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 66
[2021-06-01 16:32:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:05,889 INFO L225 Difference]: With dead ends: 11547
[2021-06-01 16:32:05,889 INFO L226 Difference]: Without dead ends: 8163
[2021-06-01 16:32:05,889 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 84.9ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2021-06-01 16:32:05,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8163 states.
[2021-06-01 16:32:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8163 to 8163.
[2021-06-01 16:32:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8163 states, 8162 states have (on average 3.747733398676795) internal successors, (30589), 8162 states have internal predecessors, (30589), 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 16:32:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 30589 transitions.
[2021-06-01 16:32:06,022 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 30589 transitions. Word has length 66
[2021-06-01 16:32:06,022 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:06,022 INFO L482 AbstractCegarLoop]: Abstraction has 8163 states and 30589 transitions.
[2021-06-01 16:32:06,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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 16:32:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 30589 transitions.
[2021-06-01 16:32:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2021-06-01 16:32:06,033 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:06,033 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, 1]
[2021-06-01 16:32:06,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-06-01 16:32:06,034 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:06,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:06,034 INFO L82 PathProgramCache]: Analyzing trace with hash 652073940, now seen corresponding path program 1 times
[2021-06-01 16:32:06,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:06,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031049752]
[2021-06-01 16:32:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:06,110 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 16:32:06,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:06,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031049752]
[2021-06-01 16:32:06,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031049752] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:06,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:06,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2021-06-01 16:32:06,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884416817]
[2021-06-01 16:32:06,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states
[2021-06-01 16:32:06,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:06,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-06-01 16:32:06,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2021-06-01 16:32:06,112 INFO L87 Difference]: Start difference. First operand 8163 states and 30589 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 16:32:06,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:06,268 INFO L93 Difference]: Finished difference Result 7191 states and 26539 transitions.
[2021-06-01 16:32:06,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2021-06-01 16:32:06,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 68
[2021-06-01 16:32:06,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:06,281 INFO L225 Difference]: With dead ends: 7191
[2021-06-01 16:32:06,281 INFO L226 Difference]: Without dead ends: 4227
[2021-06-01 16:32:06,282 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 107.0ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272
[2021-06-01 16:32:06,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states.
[2021-06-01 16:32:06,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4227.
[2021-06-01 16:32:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4227 states, 4226 states have (on average 3.6138192143871275) internal successors, (15272), 4226 states have internal predecessors, (15272), 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 16:32:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 4227 states and 15272 transitions.
[2021-06-01 16:32:06,384 INFO L78 Accepts]: Start accepts. Automaton has 4227 states and 15272 transitions. Word has length 68
[2021-06-01 16:32:06,385 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:06,385 INFO L482 AbstractCegarLoop]: Abstraction has 4227 states and 15272 transitions.
[2021-06-01 16:32:06,385 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 16:32:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4227 states and 15272 transitions.
[2021-06-01 16:32:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2021-06-01 16:32:06,390 INFO L546 BasicCegarLoop]: Found error trace
[2021-06-01 16:32:06,390 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, 1, 1, 1]
[2021-06-01 16:32:06,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-06-01 16:32:06,391 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-06-01 16:32:06,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-06-01 16:32:06,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2059891105, now seen corresponding path program 1 times
[2021-06-01 16:32:06,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-06-01 16:32:06,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935326523]
[2021-06-01 16:32:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-06-01 16:32:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-06-01 16:32:06,463 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 16:32:06,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-06-01 16:32:06,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935326523]
[2021-06-01 16:32:06,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935326523] provided 1 perfect and 0 imperfect interpolant sequences
[2021-06-01 16:32:06,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-06-01 16:32:06,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2021-06-01 16:32:06,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618733158]
[2021-06-01 16:32:06,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-06-01 16:32:06,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-06-01 16:32:06,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-06-01 16:32:06,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2021-06-01 16:32:06,466 INFO L87 Difference]: Start difference. First operand 4227 states and 15272 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 16:32:06,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-06-01 16:32:06,529 INFO L93 Difference]: Finished difference Result 4065 states and 14678 transitions.
[2021-06-01 16:32:06,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-06-01 16:32:06,529 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 70
[2021-06-01 16:32:06,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-06-01 16:32:06,529 INFO L225 Difference]: With dead ends: 4065
[2021-06-01 16:32:06,529 INFO L226 Difference]: Without dead ends: 0
[2021-06-01 16:32:06,530 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 59.6ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2021-06-01 16:32:06,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-06-01 16:32:06,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-06-01 16:32:06,530 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 16:32:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-06-01 16:32:06,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70
[2021-06-01 16:32:06,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-06-01 16:32:06,530 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-06-01 16:32:06,530 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 16:32:06,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-06-01 16:32:06,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-06-01 16:32:06,531 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-06-01 16:32:06,532 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-06-01 16:32:06,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 04:32:06 BasicIcfg
[2021-06-01 16:32:06,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-06-01 16:32:06,535 INFO L168 Benchmark]: Toolchain (without parser) took 19261.51 ms. Allocated memory was 392.2 MB in the beginning and 11.6 GB in the end (delta: 11.3 GB). Free memory was 354.3 MB in the beginning and 10.0 GB in the end (delta: -9.6 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB.
[2021-06-01 16:32:06,535 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 392.2 MB. Free memory was 372.3 MB in the beginning and 372.2 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 16:32:06,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.06 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 352.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
[2021-06-01 16:32:06,538 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 392.2 MB. Free memory was 352.9 MB in the beginning and 350.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
[2021-06-01 16:32:06,538 INFO L168 Benchmark]: Boogie Preprocessor took 24.44 ms. Allocated memory is still 392.2 MB. Free memory was 350.8 MB in the beginning and 349.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
[2021-06-01 16:32:06,539 INFO L168 Benchmark]: RCFGBuilder took 434.72 ms. Allocated memory is still 392.2 MB. Free memory was 349.8 MB in the beginning and 321.5 MB in the end (delta: 28.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB.
[2021-06-01 16:32:06,539 INFO L168 Benchmark]: TraceAbstraction took 18324.64 ms. Allocated memory was 392.2 MB in the beginning and 11.6 GB in the end (delta: 11.3 GB). Free memory was 320.4 MB in the beginning and 10.0 GB in the end (delta: -9.7 GB). Peak memory consumption was 1.6 GB. Max. memory is 16.0 GB.
[2021-06-01 16:32:06,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13 ms. Allocated memory is still 392.2 MB. Free memory was 372.3 MB in the beginning and 372.2 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB.
* CACSL2BoogieTranslator took 430.06 ms. Allocated memory is still 392.2 MB. Free memory was 354.2 MB in the beginning and 352.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB.
* Boogie Procedure Inliner took 41.70 ms. Allocated memory is still 392.2 MB. Free memory was 352.9 MB in the beginning and 350.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB.
* Boogie Preprocessor took 24.44 ms. Allocated memory is still 392.2 MB. Free memory was 350.8 MB in the beginning and 349.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB.
* RCFGBuilder took 434.72 ms. Allocated memory is still 392.2 MB. Free memory was 349.8 MB in the beginning and 321.5 MB in the end (delta: 28.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB.
* TraceAbstraction took 18324.64 ms. Allocated memory was 392.2 MB in the beginning and 11.6 GB in the end (delta: 11.3 GB). Free memory was 320.4 MB in the beginning and 10.0 GB in the end (delta: -9.7 GB). Peak memory consumption was 1.6 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, 127 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18222.9ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 407.8ms, AutomataDifference: 5130.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4838.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1577 SDtfs, 2663 SDslu, 5526 SDs, 0 SdLazy, 644 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 432.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1143.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=51815occurred in iteration=0, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6439.8ms AutomataMinimizationTime, 12 MinimizatonAttempts, 21664 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.2ms SsaConstructionTime, 260.0ms SatisfiabilityAnalysisTime, 957.7ms InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 737 ConstructedInterpolants, 0 QuantifiedInterpolants, 3285 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...