/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c
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This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 22:47:47,932 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-18 22:47:47,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 22:47:47,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 22:47:47,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 22:47:47,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 22:47:47,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 22:47:47,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 22:47:47,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 22:47:47,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 22:47:47,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 22:47:47,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 22:47:47,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 22:47:47,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 22:47:47,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 22:47:47,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 22:47:47,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 22:47:47,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 22:47:47,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 22:47:47,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 22:47:47,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 22:47:47,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 22:47:47,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 22:47:47,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 22:47:47,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 22:47:47,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 22:47:47,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 22:47:47,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 22:47:47,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 22:47:47,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 22:47:47,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 22:47:47,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 22:47:47,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 22:47:47,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 22:47:47,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 22:47:47,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 22:47:47,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 22:47:47,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 22:47:47,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-08-18 22:47:47,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 22:47:47,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-18 22:47:48,015 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-18 22:47:48,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 22:47:48,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 22:47:48,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-08-18 22:47:48,017 INFO L138 SettingsManager]: * Use SBE=true
[2020-08-18 22:47:48,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 22:47:48,017 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-18 22:47:48,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-18 22:47:48,018 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-18 22:47:48,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-18 22:47:48,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 22:47:48,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 22:47:48,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 22:47:48,019 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-18 22:47:48,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-18 22:47:48,019 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-18 22:47:48,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-18 22:47:48,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 22:47:48,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-08-18 22:47:48,020 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-18 22:47:48,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-18 22:47:48,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 22:47:48,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 22:47:48,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 22:47:48,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 22:47:48,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-08-18 22:47:48,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 22:47:48,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 22:47:48,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-08-18 22:47:48,022 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDEST;
[2020-08-18 22:47:48,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 22:47:48,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 22:47:48,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 22:47:48,380 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-18 22:47:48,381 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-18 22:47:48,383 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c
[2020-08-18 22:47:48,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbbe01f12/1d39789d153543e68b6bdbc665bdc6c3/FLAGef138a8bf
[2020-08-18 22:47:48,998 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-18 22:47:48,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c
[2020-08-18 22:47:49,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbbe01f12/1d39789d153543e68b6bdbc665bdc6c3/FLAGef138a8bf
[2020-08-18 22:47:49,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbbe01f12/1d39789d153543e68b6bdbc665bdc6c3
[2020-08-18 22:47:49,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 22:47:49,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 22:47:49,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 22:47:49,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 22:47:49,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 22:47:49,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:47:49" (1/1) ...
[2020-08-18 22:47:49,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c09893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:49, skipping insertion in model container
[2020-08-18 22:47:49,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:47:49" (1/1) ...
[2020-08-18 22:47:49,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-18 22:47:49,379 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-18 22:47:49,930 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-18 22:47:49,935 INFO L203 MainTranslator]: Completed pre-run
[2020-08-18 22:47:50,029 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-18 22:47:50,048 INFO L208 MainTranslator]: Completed translation
[2020-08-18 22:47:50,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50 WrapperNode
[2020-08-18 22:47:50,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 22:47:50,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 22:47:50,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 22:47:50,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 22:47:50,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
[2020-08-18 22:47:50,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
[2020-08-18 22:47:50,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
[2020-08-18 22:47:50,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
[2020-08-18 22:47:50,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
[2020-08-18 22:47:50,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
[2020-08-18 22:47:50,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
[2020-08-18 22:47:50,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 22:47:50,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 22:47:50,153 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 22:47:50,153 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-18 22:47:50,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 22:47:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 22:47:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 22:47:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-08-18 22:47:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 22:47:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2020-08-18 22:47:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 22:47:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 22:47:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-08-18 22:47:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-18 22:47:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 22:47:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 22:47:51,593 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 22:47:51,594 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-08-18 22:47:51,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:47:51 BoogieIcfgContainer
[2020-08-18 22:47:51,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 22:47:51,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 22:47:51,602 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 22:47:51,605 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-18 22:47:51,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:47:49" (1/3) ...
[2020-08-18 22:47:51,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0ded81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:47:51, skipping insertion in model container
[2020-08-18 22:47:51,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:47:50" (2/3) ...
[2020-08-18 22:47:51,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0ded81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:47:51, skipping insertion in model container
[2020-08-18 22:47:51,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:47:51" (3/3) ...
[2020-08-18 22:47:51,609 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c
[2020-08-18 22:47:51,622 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 22:47:51,631 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 22:47:51,649 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 22:47:51,679 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-18 22:47:51,679 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-18 22:47:51,680 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 22:47:51,680 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 22:47:51,680 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 22:47:51,680 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-18 22:47:51,681 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 22:47:51,681 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 22:47:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states.
[2020-08-18 22:47:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-08-18 22:47:51,720 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:47:51,721 INFO L422 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]
[2020-08-18 22:47:51,722 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:47:51,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:47:51,730 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times
[2020-08-18 22:47:51,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:47:51,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816509790]
[2020-08-18 22:47:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:47:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:52,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:47:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:47:52,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816509790]
[2020-08-18 22:47:52,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 22:47:52,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-18 22:47:52,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460485135]
[2020-08-18 22:47:52,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 22:47:52,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:47:52,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 22:47:52,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-18 22:47:52,125 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states.
[2020-08-18 22:47:53,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:47:53,777 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions.
[2020-08-18 22:47:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-08-18 22:47:53,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44
[2020-08-18 22:47:53,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:47:53,798 INFO L225 Difference]: With dead ends: 596
[2020-08-18 22:47:53,798 INFO L226 Difference]: Without dead ends: 302
[2020-08-18 22:47:53,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-18 22:47:53,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states.
[2020-08-18 22:47:53,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298.
[2020-08-18 22:47:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states.
[2020-08-18 22:47:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions.
[2020-08-18 22:47:53,885 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 44
[2020-08-18 22:47:53,886 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:47:53,886 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions.
[2020-08-18 22:47:53,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 22:47:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions.
[2020-08-18 22:47:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2020-08-18 22:47:53,892 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:47:53,893 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:47:53,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 22:47:53,893 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:47:53,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:47:53,894 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times
[2020-08-18 22:47:53,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:47:53,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367091115]
[2020-08-18 22:47:53,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:47:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:47:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:54,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:47:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:54,286 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:47:54,287 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367091115]
[2020-08-18 22:47:54,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 22:47:54,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-08-18 22:47:54,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394804416]
[2020-08-18 22:47:54,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 22:47:54,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:47:54,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 22:47:54,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-18 22:47:54,292 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states.
[2020-08-18 22:47:56,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:47:56,376 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions.
[2020-08-18 22:47:56,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-08-18 22:47:56,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118
[2020-08-18 22:47:56,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:47:56,384 INFO L225 Difference]: With dead ends: 1198
[2020-08-18 22:47:56,384 INFO L226 Difference]: Without dead ends: 906
[2020-08-18 22:47:56,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210
[2020-08-18 22:47:56,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states.
[2020-08-18 22:47:56,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894.
[2020-08-18 22:47:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states.
[2020-08-18 22:47:56,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions.
[2020-08-18 22:47:56,458 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 118
[2020-08-18 22:47:56,458 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:47:56,459 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions.
[2020-08-18 22:47:56,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 22:47:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions.
[2020-08-18 22:47:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2020-08-18 22:47:56,465 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:47:56,465 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:47:56,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 22:47:56,466 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:47:56,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:47:56,466 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times
[2020-08-18 22:47:56,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:47:56,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754311757]
[2020-08-18 22:47:56,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:47:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:47:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:56,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:47:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:56,709 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:47:56,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754311757]
[2020-08-18 22:47:56,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 22:47:56,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-08-18 22:47:56,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87535756]
[2020-08-18 22:47:56,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 22:47:56,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:47:56,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 22:47:56,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-18 22:47:56,712 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states.
[2020-08-18 22:47:58,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:47:58,591 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions.
[2020-08-18 22:47:58,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-08-18 22:47:58,593 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123
[2020-08-18 22:47:58,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:47:58,614 INFO L225 Difference]: With dead ends: 2397
[2020-08-18 22:47:58,614 INFO L226 Difference]: Without dead ends: 1482
[2020-08-18 22:47:58,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2020-08-18 22:47:58,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states.
[2020-08-18 22:47:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478.
[2020-08-18 22:47:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states.
[2020-08-18 22:47:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions.
[2020-08-18 22:47:58,731 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 123
[2020-08-18 22:47:58,732 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:47:58,732 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions.
[2020-08-18 22:47:58,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 22:47:58,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions.
[2020-08-18 22:47:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2020-08-18 22:47:58,744 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:47:58,745 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:47:58,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 22:47:58,745 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:47:58,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:47:58,746 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times
[2020-08-18 22:47:58,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:47:58,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025919001]
[2020-08-18 22:47:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:47:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:58,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:47:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:58,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:47:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:47:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:47:59,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025919001]
[2020-08-18 22:47:59,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 22:47:59,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-08-18 22:47:59,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676396988]
[2020-08-18 22:47:59,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 22:47:59,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:47:59,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 22:47:59,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-18 22:47:59,040 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states.
[2020-08-18 22:48:00,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:00,554 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions.
[2020-08-18 22:48:00,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-08-18 22:48:00,554 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139
[2020-08-18 22:48:00,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:00,573 INFO L225 Difference]: With dead ends: 3592
[2020-08-18 22:48:00,573 INFO L226 Difference]: Without dead ends: 2263
[2020-08-18 22:48:00,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156
[2020-08-18 22:48:00,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states.
[2020-08-18 22:48:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931.
[2020-08-18 22:48:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states.
[2020-08-18 22:48:00,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions.
[2020-08-18 22:48:00,685 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 139
[2020-08-18 22:48:00,686 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:00,686 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions.
[2020-08-18 22:48:00,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 22:48:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions.
[2020-08-18 22:48:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2020-08-18 22:48:00,688 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:48:00,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:48:00,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 22:48:00,689 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:48:00,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:48:00,689 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times
[2020-08-18 22:48:00,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:48:00,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937578089]
[2020-08-18 22:48:00,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:48:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:00,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:48:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:48:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:48:00,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937578089]
[2020-08-18 22:48:00,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 22:48:00,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-18 22:48:00,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131919338]
[2020-08-18 22:48:00,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-18 22:48:00,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:48:00,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-18 22:48:00,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-08-18 22:48:00,953 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states.
[2020-08-18 22:48:02,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:02,287 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions.
[2020-08-18 22:48:02,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-08-18 22:48:02,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140
[2020-08-18 22:48:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:02,302 INFO L225 Difference]: With dead ends: 4023
[2020-08-18 22:48:02,303 INFO L226 Difference]: Without dead ends: 2098
[2020-08-18 22:48:02,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90
[2020-08-18 22:48:02,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states.
[2020-08-18 22:48:02,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084.
[2020-08-18 22:48:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states.
[2020-08-18 22:48:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions.
[2020-08-18 22:48:02,378 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 140
[2020-08-18 22:48:02,378 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:02,378 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions.
[2020-08-18 22:48:02,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-18 22:48:02,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions.
[2020-08-18 22:48:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2020-08-18 22:48:02,381 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:48:02,381 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:48:02,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 22:48:02,382 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:48:02,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:48:02,383 INFO L82 PathProgramCache]: Analyzing trace with hash 716002293, now seen corresponding path program 1 times
[2020-08-18 22:48:02,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:48:02,384 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628322549]
[2020-08-18 22:48:02,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:48:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:02,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:48:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:02,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:48:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 22:48:02,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628322549]
[2020-08-18 22:48:02,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 22:48:02,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-08-18 22:48:02,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994078231]
[2020-08-18 22:48:02,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 22:48:02,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:48:02,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 22:48:02,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-08-18 22:48:02,753 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 8 states.
[2020-08-18 22:48:05,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:05,396 INFO L93 Difference]: Finished difference Result 4629 states and 6453 transitions.
[2020-08-18 22:48:05,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-08-18 22:48:05,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159
[2020-08-18 22:48:05,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:05,427 INFO L225 Difference]: With dead ends: 4629
[2020-08-18 22:48:05,427 INFO L226 Difference]: Without dead ends: 2694
[2020-08-18 22:48:05,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2020-08-18 22:48:05,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states.
[2020-08-18 22:48:05,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2676.
[2020-08-18 22:48:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states.
[2020-08-18 22:48:05,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3566 transitions.
[2020-08-18 22:48:05,554 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3566 transitions. Word has length 159
[2020-08-18 22:48:05,555 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:05,555 INFO L479 AbstractCegarLoop]: Abstraction has 2676 states and 3566 transitions.
[2020-08-18 22:48:05,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 22:48:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3566 transitions.
[2020-08-18 22:48:05,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2020-08-18 22:48:05,559 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:48:05,559 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:48:05,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-18 22:48:05,560 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:48:05,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:48:05,560 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times
[2020-08-18 22:48:05,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:48:05,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303317269]
[2020-08-18 22:48:05,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:48:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:05,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:48:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:05,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:48:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-08-18 22:48:05,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303317269]
[2020-08-18 22:48:05,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 22:48:05,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2020-08-18 22:48:05,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327059334]
[2020-08-18 22:48:05,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-18 22:48:05,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:48:05,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-18 22:48:05,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-08-18 22:48:05,771 INFO L87 Difference]: Start difference. First operand 2676 states and 3566 transitions. Second operand 7 states.
[2020-08-18 22:48:07,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:07,690 INFO L93 Difference]: Finished difference Result 3989 states and 5421 transitions.
[2020-08-18 22:48:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-08-18 22:48:07,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181
[2020-08-18 22:48:07,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:07,711 INFO L225 Difference]: With dead ends: 3989
[2020-08-18 22:48:07,712 INFO L226 Difference]: Without dead ends: 3987
[2020-08-18 22:48:07,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90
[2020-08-18 22:48:07,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states.
[2020-08-18 22:48:07,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 2972.
[2020-08-18 22:48:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states.
[2020-08-18 22:48:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 4020 transitions.
[2020-08-18 22:48:07,810 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 4020 transitions. Word has length 181
[2020-08-18 22:48:07,811 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:07,811 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 4020 transitions.
[2020-08-18 22:48:07,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-18 22:48:07,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 4020 transitions.
[2020-08-18 22:48:07,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194
[2020-08-18 22:48:07,815 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:48:07,816 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:48:07,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-08-18 22:48:07,816 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:48:07,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:48:07,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times
[2020-08-18 22:48:07,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:48:07,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [402005160]
[2020-08-18 22:48:07,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:48:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:07,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:48:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:07,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:48:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:07,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-08-18 22:48:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-08-18 22:48:08,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [402005160]
[2020-08-18 22:48:08,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 22:48:08,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2020-08-18 22:48:08,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334890718]
[2020-08-18 22:48:08,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-18 22:48:08,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:48:08,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-18 22:48:08,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-08-18 22:48:08,057 INFO L87 Difference]: Start difference. First operand 2972 states and 4020 transitions. Second operand 10 states.
[2020-08-18 22:48:11,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:11,985 INFO L93 Difference]: Finished difference Result 7547 states and 10346 transitions.
[2020-08-18 22:48:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2020-08-18 22:48:11,986 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193
[2020-08-18 22:48:11,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:12,008 INFO L225 Difference]: With dead ends: 7547
[2020-08-18 22:48:12,008 INFO L226 Difference]: Without dead ends: 4724
[2020-08-18 22:48:12,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600
[2020-08-18 22:48:12,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states.
[2020-08-18 22:48:12,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3862.
[2020-08-18 22:48:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states.
[2020-08-18 22:48:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4856 transitions.
[2020-08-18 22:48:12,139 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4856 transitions. Word has length 193
[2020-08-18 22:48:12,139 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:12,139 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 4856 transitions.
[2020-08-18 22:48:12,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-18 22:48:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4856 transitions.
[2020-08-18 22:48:12,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280
[2020-08-18 22:48:12,149 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:48:12,150 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:48:12,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-08-18 22:48:12,150 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:48:12,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:48:12,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times
[2020-08-18 22:48:12,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:48:12,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886917220]
[2020-08-18 22:48:12,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:48:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:12,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:48:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:48:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:12,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2020-08-18 22:48:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:12,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164
[2020-08-18 22:48:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:12,795 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2020-08-18 22:48:12,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886917220]
[2020-08-18 22:48:12,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 22:48:12,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10
[2020-08-18 22:48:12,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120376717]
[2020-08-18 22:48:12,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-18 22:48:12,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:48:12,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-18 22:48:12,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2020-08-18 22:48:12,806 INFO L87 Difference]: Start difference. First operand 3862 states and 4856 transitions. Second operand 10 states.
[2020-08-18 22:48:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:15,667 INFO L93 Difference]: Finished difference Result 7899 states and 9999 transitions.
[2020-08-18 22:48:15,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2020-08-18 22:48:15,668 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279
[2020-08-18 22:48:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:15,694 INFO L225 Difference]: With dead ends: 7899
[2020-08-18 22:48:15,694 INFO L226 Difference]: Without dead ends: 4186
[2020-08-18 22:48:15,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462
[2020-08-18 22:48:15,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states.
[2020-08-18 22:48:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4166.
[2020-08-18 22:48:15,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4166 states.
[2020-08-18 22:48:15,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5218 transitions.
[2020-08-18 22:48:15,838 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5218 transitions. Word has length 279
[2020-08-18 22:48:15,838 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:15,838 INFO L479 AbstractCegarLoop]: Abstraction has 4166 states and 5218 transitions.
[2020-08-18 22:48:15,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-18 22:48:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5218 transitions.
[2020-08-18 22:48:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342
[2020-08-18 22:48:15,854 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:48:15,855 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:48:15,855 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-08-18 22:48:15,855 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:48:15,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:48:15,856 INFO L82 PathProgramCache]: Analyzing trace with hash 2082826957, now seen corresponding path program 1 times
[2020-08-18 22:48:15,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:48:15,856 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419167901]
[2020-08-18 22:48:15,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:48:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:16,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:48:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:16,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:48:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:16,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-08-18 22:48:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:16,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226
[2020-08-18 22:48:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 265 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.
[2020-08-18 22:48:16,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419167901]
[2020-08-18 22:48:16,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 22:48:16,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9
[2020-08-18 22:48:16,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320960920]
[2020-08-18 22:48:16,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-18 22:48:16,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:48:16,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-18 22:48:16,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2020-08-18 22:48:16,246 INFO L87 Difference]: Start difference. First operand 4166 states and 5218 transitions. Second operand 9 states.
[2020-08-18 22:48:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:19,479 INFO L93 Difference]: Finished difference Result 10189 states and 12761 transitions.
[2020-08-18 22:48:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-08-18 22:48:19,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341
[2020-08-18 22:48:19,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:19,497 INFO L225 Difference]: With dead ends: 10189
[2020-08-18 22:48:19,498 INFO L226 Difference]: Without dead ends: 4275
[2020-08-18 22:48:19,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272
[2020-08-18 22:48:19,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states.
[2020-08-18 22:48:19,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3413.
[2020-08-18 22:48:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states.
[2020-08-18 22:48:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 3847 transitions.
[2020-08-18 22:48:19,633 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 3847 transitions. Word has length 341
[2020-08-18 22:48:19,634 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:19,634 INFO L479 AbstractCegarLoop]: Abstraction has 3413 states and 3847 transitions.
[2020-08-18 22:48:19,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-18 22:48:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3847 transitions.
[2020-08-18 22:48:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402
[2020-08-18 22:48:19,647 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-18 22:48:19,647 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 22:48:19,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-08-18 22:48:19,648 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 22:48:19,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 22:48:19,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1873477998, now seen corresponding path program 1 times
[2020-08-18 22:48:19,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 22:48:19,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383663529]
[2020-08-18 22:48:19,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 22:48:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:19,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 22:48:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-08-18 22:48:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:20,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123
[2020-08-18 22:48:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:20,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200
[2020-08-18 22:48:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:20,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286
[2020-08-18 22:48:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 22:48:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 153 proven. 386 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2020-08-18 22:48:20,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383663529]
[2020-08-18 22:48:20,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-18 22:48:20,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2020-08-18 22:48:20,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005670617]
[2020-08-18 22:48:20,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-08-18 22:48:20,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 22:48:20,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-08-18 22:48:20,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132
[2020-08-18 22:48:20,413 INFO L87 Difference]: Start difference. First operand 3413 states and 3847 transitions. Second operand 12 states.
[2020-08-18 22:48:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 22:48:24,185 INFO L93 Difference]: Finished difference Result 7976 states and 9106 transitions.
[2020-08-18 22:48:24,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2020-08-18 22:48:24,186 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 401
[2020-08-18 22:48:24,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 22:48:24,187 INFO L225 Difference]: With dead ends: 7976
[2020-08-18 22:48:24,187 INFO L226 Difference]: Without dead ends: 0
[2020-08-18 22:48:24,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702
[2020-08-18 22:48:24,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-18 22:48:24,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-18 22:48:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-18 22:48:24,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-18 22:48:24,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401
[2020-08-18 22:48:24,199 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-18 22:48:24,199 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-18 22:48:24,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-08-18 22:48:24,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-18 22:48:24,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-18 22:48:24,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-08-18 22:48:24,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-18 22:48:24,949 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162
[2020-08-18 22:48:25,159 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162
[2020-08-18 22:48:26,804 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 278 DAG size of output: 69
[2020-08-18 22:48:27,645 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67
[2020-08-18 22:48:28,428 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67
[2020-08-18 22:48:28,433 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-08-18 22:48:28,433 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))
[2020-08-18 22:48:28,434 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-08-18 22:48:28,434 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,434 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,434 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,434 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,434 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,435 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,435 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,435 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,435 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,435 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,436 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,437 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,438 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,439 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,439 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,439 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed.
[2020-08-18 22:48:28,439 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,439 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed.
[2020-08-18 22:48:28,440 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed.
[2020-08-18 22:48:28,441 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed.
[2020-08-18 22:48:28,441 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed.
[2020-08-18 22:48:28,441 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,441 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,441 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,441 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,441 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,442 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,443 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,444 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,444 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,444 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,444 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,444 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,444 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,444 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,445 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,446 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,447 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,447 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,447 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,447 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed.
[2020-08-18 22:48:28,447 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed.
[2020-08-18 22:48:28,447 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-08-18 22:48:28,447 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,448 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,449 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,450 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,451 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,451 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,451 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,451 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,451 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,451 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,451 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-08-18 22:48:28,452 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-08-18 22:48:28,453 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-08-18 22:48:28,453 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,453 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,453 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= 9 |old(~a19~0)|))) (let ((.cse7 (not (<= 2 |old(~a10~0)|))) (.cse10 (= 8 |old(~a19~0)|)) (.cse1 (and (not (<= |old(~a1~0)| 38)) (not (< 218 |old(~a1~0)|)))) (.cse12 (not (<= 10 |old(~a19~0)|))) (.cse3 (= 3 |old(~a10~0)|)) (.cse11 (= 0 |old(~a10~0)|)) (.cse0 (not (<= 23 |old(~a1~0)|))) (.cse13 (not (<= |old(~a10~0)| 0))) (.cse9 (not (<= |old(~a19~0)| 9))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse14 (not .cse8)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (= 2 |old(~a10~0)|)) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 .cse7 .cse5) (or .cse8 .cse2 .cse3 .cse7 .cse9) (or .cse2 (not (<= |old(~a1~0)| 23)) .cse9 .cse10) (or .cse1 .cse2 .cse9 .cse4 .cse10 .cse6) (or .cse8 .cse2 .cse9 .cse10 .cse11) (or .cse1 .cse12 .cse2 (not .cse11)) (or .cse12 .cse2 .cse3 .cse5 .cse11) (or .cse13 .cse14 .cse2) (or .cse0 .cse13 .cse2 .cse9 .cse4 .cse6) (or .cse2 .cse14 .cse4 .cse5 .cse6))))
[2020-08-18 22:48:28,453 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,454 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,455 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,456 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-08-18 22:48:28,457 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,458 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,459 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,460 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed.
[2020-08-18 22:48:28,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-08-18 22:48:28,461 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23))
[2020-08-18 22:48:28,461 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-08-18 22:48:28,461 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-08-18 22:48:28,461 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0)))
[2020-08-18 22:48:28,461 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed.
[2020-08-18 22:48:28,462 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2)))
[2020-08-18 22:48:28,462 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed.
[2020-08-18 22:48:28,462 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed.
[2020-08-18 22:48:28,462 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2)))
[2020-08-18 22:48:28,463 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed.
[2020-08-18 22:48:28,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:48:28 BoogieIcfgContainer
[2020-08-18 22:48:28,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 22:48:28,493 INFO L168 Benchmark]: Toolchain (without parser) took 39190.90 ms. Allocated memory was 140.0 MB in the beginning and 632.8 MB in the end (delta: 492.8 MB). Free memory was 101.6 MB in the beginning and 323.7 MB in the end (delta: -222.1 MB). Peak memory consumption was 516.4 MB. Max. memory is 7.1 GB.
[2020-08-18 22:48:28,494 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-18 22:48:28,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.78 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.4 MB in the beginning and 170.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB.
[2020-08-18 22:48:28,495 INFO L168 Benchmark]: Boogie Preprocessor took 102.45 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-08-18 22:48:28,496 INFO L168 Benchmark]: RCFGBuilder took 1447.93 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 182.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB.
[2020-08-18 22:48:28,497 INFO L168 Benchmark]: TraceAbstraction took 36889.70 ms. Allocated memory was 238.6 MB in the beginning and 632.8 MB in the end (delta: 394.3 MB). Free memory was 180.9 MB in the beginning and 323.7 MB in the end (delta: -142.8 MB). Peak memory consumption was 497.2 MB. Max. memory is 7.1 GB.
[2020-08-18 22:48:28,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 745.78 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.4 MB in the beginning and 170.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 102.45 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 166.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1447.93 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 166.2 MB in the beginning and 182.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 36889.70 ms. Allocated memory was 238.6 MB in the beginning and 632.8 MB in the end (delta: 394.3 MB). Free memory was 180.9 MB in the beginning and 323.7 MB in the end (delta: -142.8 MB). Peak memory consumption was 497.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 118]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 582]: Loop Invariant
Derived loop invariant: (((((((((((((((((218 < a1 || a1 <= 38) && 10 <= a19) && 0 == \old(a10)) && a10 == \old(a10)) || ((((!(a10 == 0) && !(a10 == 3)) && 10 <= a19) && !(a10 == 2)) && 0 == \old(a10))) || (((!(a19 == 8) && !(a10 == 2)) && a19 <= 9) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || ((((23 <= a1 && !(a10 == 3)) && (218 < a1 || a1 <= 38)) && a19 <= 9) && 0 == \old(a10))) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || ((a1 <= 23 && a19 == \old(a19)) && 0 == \old(a10))) || ((((!(a10 == 3) && !(a19 == 9)) && a19 <= 9) && 2 <= a10) && 0 == \old(a10))
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.5s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 27.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 340 SDtfs, 10125 SDslu, 538 SDs, 0 SdLazy, 17351 SolverSat, 2506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4166occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 3143 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 192 PreInvPairs, 290 NumberOfFragments, 705 HoareAnnotationTreeSize, 192 FomulaSimplifications, 32632 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10656 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2118 NumberOfCodeBlocks, 2118 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2107 ConstructedInterpolants, 0 QuantifiedInterpolants, 1876518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1014/1669 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...