/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c


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This is Ultimate 0.1.25-3af5e1f
[2020-09-04 13:32:44,423 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2020-09-04 13:32:44,540 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
[2020-09-04 13:32:44,589 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-04 13:32:44,589 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 13:32:44,591 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-04 13:32:44,591 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-04 13:32:44,592 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-04 13:32:44,592 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 13:32:44,592 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-04 13:32:44,592 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-04 13:32:44,592 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-04 13:32:44,593 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-04 13:32:44,594 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 13:32:44,594 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 13:32:44,594 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 13:32:44,595 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-04 13:32:44,595 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-04 13:32:44,595 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-04 13:32:44,595 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-04 13:32:44,596 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 13:32:44,596 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-04 13:32:44,596 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-04 13:32:44,596 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-04 13:32:44,596 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 13:32:44,597 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 13:32:44,597 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-04 13:32:44,597 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-04 13:32:44,597 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-04 13:32:44,597 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-04 13:32:44,598 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 13:32:44,598 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-04 13:32:44,598 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-04 13:32:45,023 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 13:32:45,040 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 13:32:45,044 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 13:32:45,046 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-04 13:32:45,046 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-04 13:32:45,047 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c
[2020-09-04 13:32:45,124 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f1ec115/9f7f5b3ab534415a80309e246047c192/FLAGaaee1e2d2
[2020-09-04 13:32:45,734 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-04 13:32:45,735 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c
[2020-09-04 13:32:45,752 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f1ec115/9f7f5b3ab534415a80309e246047c192/FLAGaaee1e2d2
[2020-09-04 13:32:45,978 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f1ec115/9f7f5b3ab534415a80309e246047c192
[2020-09-04 13:32:45,991 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 13:32:45,993 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 13:32:45,994 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 13:32:45,994 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 13:32:46,000 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 13:32:46,001 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:32:45" (1/1) ...
[2020-09-04 13:32:46,006 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d876c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46, skipping insertion in model container
[2020-09-04 13:32:46,007 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:32:45" (1/1) ...
[2020-09-04 13:32:46,016 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-04 13:32:46,082 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-04 13:32:46,520 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:32:46,526 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-04 13:32:46,781 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-04 13:32:46,801 INFO  L208         MainTranslator]: Completed translation
[2020-09-04 13:32:46,802 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46 WrapperNode
[2020-09-04 13:32:46,802 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 13:32:46,803 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 13:32:46,803 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 13:32:46,803 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 13:32:46,818 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ...
[2020-09-04 13:32:46,819 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ...
[2020-09-04 13:32:46,837 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ...
[2020-09-04 13:32:46,837 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ...
[2020-09-04 13:32:46,879 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ...
[2020-09-04 13:32:46,896 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ...
[2020-09-04 13:32:46,901 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (1/1) ...
[2020-09-04 13:32:46,908 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 13:32:46,909 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 13:32:46,909 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 13:32:46,909 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-04 13:32:46,910 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (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
[2020-09-04 13:32:46,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 13:32:46,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 13:32:46,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-09-04 13:32:46,984 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 13:32:46,985 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-09-04 13:32:46,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 13:32:46,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-04 13:32:46,985 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-09-04 13:32:46,985 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-04 13:32:46,985 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 13:32:46,986 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 13:32:48,108 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 13:32:48,109 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-04 13:32:48,121 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:48 BoogieIcfgContainer
[2020-09-04 13:32:48,121 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 13:32:48,123 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 13:32:48,124 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 13:32:48,127 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-04 13:32:48,127 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:32:45" (1/3) ...
[2020-09-04 13:32:48,128 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d17530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:48, skipping insertion in model container
[2020-09-04 13:32:48,129 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:32:46" (2/3) ...
[2020-09-04 13:32:48,130 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d17530e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:32:48, skipping insertion in model container
[2020-09-04 13:32:48,130 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:32:48" (3/3) ...
[2020-09-04 13:32:48,132 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem01_label26.c
[2020-09-04 13:32:48,143 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-09-04 13:32:48,157 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-04 13:32:48,179 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-04 13:32:48,209 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-04 13:32:48,210 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-04 13:32:48,210 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-09-04 13:32:48,210 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 13:32:48,210 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 13:32:48,210 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-04 13:32:48,210 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 13:32:48,210 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 13:32:48,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 207 states.
[2020-09-04 13:32:48,248 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2020-09-04 13:32:48,249 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:32:48,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:32:48,251 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:32:48,258 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:32:48,259 INFO  L82        PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times
[2020-09-04 13:32:48,271 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:32:48,272 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136038479]
[2020-09-04 13:32:48,272 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:32:48,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:48,800 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:32:48,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:48,895 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:48,896 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136038479]
[2020-09-04 13:32:48,898 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:32:48,898 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-04 13:32:48,899 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447539439]
[2020-09-04 13:32:48,909 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-04 13:32:48,909 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:32:48,927 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-04 13:32:48,929 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-04 13:32:48,932 INFO  L87              Difference]: Start difference. First operand 207 states. Second operand 5 states.
[2020-09-04 13:32:50,548 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:32:50,549 INFO  L93              Difference]: Finished difference Result 557 states and 956 transitions.
[2020-09-04 13:32:50,550 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-09-04 13:32:50,551 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 109
[2020-09-04 13:32:50,552 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:32:50,569 INFO  L225             Difference]: With dead ends: 557
[2020-09-04 13:32:50,569 INFO  L226             Difference]: Without dead ends: 286
[2020-09-04 13:32:50,579 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2020-09-04 13:32:50,601 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2020-09-04 13:32:50,657 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280.
[2020-09-04 13:32:50,659 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 280 states.
[2020-09-04 13:32:50,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions.
[2020-09-04 13:32:50,663 INFO  L78                 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109
[2020-09-04 13:32:50,664 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:32:50,664 INFO  L479      AbstractCegarLoop]: Abstraction has 280 states and 402 transitions.
[2020-09-04 13:32:50,664 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-04 13:32:50,664 INFO  L276                IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions.
[2020-09-04 13:32:50,669 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2020-09-04 13:32:50,669 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:32:50,669 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-09-04 13:32:50,670 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 13:32:50,670 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:32:50,670 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:32:50,671 INFO  L82        PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times
[2020-09-04 13:32:50,671 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:32:50,671 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385905531]
[2020-09-04 13:32:50,672 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:32:50,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:50,836 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:32:50,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:50,906 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:32:50,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:50,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:50,948 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385905531]
[2020-09-04 13:32:50,948 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:32:50,949 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-04 13:32:50,949 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914492670]
[2020-09-04 13:32:50,951 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-04 13:32:50,951 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:32:50,952 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-04 13:32:50,952 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:32:50,952 INFO  L87              Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states.
[2020-09-04 13:32:52,556 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:32:52,556 INFO  L93              Difference]: Finished difference Result 713 states and 1049 transitions.
[2020-09-04 13:32:52,557 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-09-04 13:32:52,557 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 119
[2020-09-04 13:32:52,558 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:32:52,563 INFO  L225             Difference]: With dead ends: 713
[2020-09-04 13:32:52,563 INFO  L226             Difference]: Without dead ends: 439
[2020-09-04 13:32:52,565 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2020-09-04 13:32:52,566 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 439 states.
[2020-09-04 13:32:52,604 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421.
[2020-09-04 13:32:52,604 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 421 states.
[2020-09-04 13:32:52,607 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions.
[2020-09-04 13:32:52,607 INFO  L78                 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119
[2020-09-04 13:32:52,607 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:32:52,607 INFO  L479      AbstractCegarLoop]: Abstraction has 421 states and 590 transitions.
[2020-09-04 13:32:52,608 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-04 13:32:52,608 INFO  L276                IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions.
[2020-09-04 13:32:52,611 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2020-09-04 13:32:52,611 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:32:52,612 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-09-04 13:32:52,612 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-04 13:32:52,612 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:32:52,612 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:32:52,612 INFO  L82        PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times
[2020-09-04 13:32:52,613 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:32:52,613 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613315270]
[2020-09-04 13:32:52,613 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:32:52,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:52,901 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:32:52,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:52,928 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:32:52,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:53,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:53,033 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613315270]
[2020-09-04 13:32:53,033 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611817443]
[2020-09-04 13:32:53,034 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:32:53,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:53,132 INFO  L263         TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:32:53,144 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:32:53,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:53,269 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:32:53,270 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2020-09-04 13:32:53,270 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860105655]
[2020-09-04 13:32:53,271 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-04 13:32:53,271 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:32:53,271 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-04 13:32:53,271 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:32:53,272 INFO  L87              Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states.
[2020-09-04 13:32:53,920 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:32:53,920 INFO  L93              Difference]: Finished difference Result 1247 states and 1789 transitions.
[2020-09-04 13:32:53,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-04 13:32:53,921 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 120
[2020-09-04 13:32:53,922 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:32:53,927 INFO  L225             Difference]: With dead ends: 1247
[2020-09-04 13:32:53,927 INFO  L226             Difference]: Without dead ends: 832
[2020-09-04 13:32:53,928 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:32:53,930 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 832 states.
[2020-09-04 13:32:53,982 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832.
[2020-09-04 13:32:53,982 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 832 states.
[2020-09-04 13:32:53,986 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions.
[2020-09-04 13:32:53,987 INFO  L78                 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120
[2020-09-04 13:32:53,987 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:32:53,988 INFO  L479      AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions.
[2020-09-04 13:32:53,988 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-04 13:32:53,988 INFO  L276                IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions.
[2020-09-04 13:32:53,993 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2020-09-04 13:32:53,993 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:32:53,994 INFO  L422         BasicCegarLoop]: trace histogram [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]
[2020-09-04 13:32:54,209 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2020-09-04 13:32:54,210 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:32:54,211 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:32:54,211 INFO  L82        PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times
[2020-09-04 13:32:54,212 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:32:54,212 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762963595]
[2020-09-04 13:32:54,213 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:32:54,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:54,397 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:32:54,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:54,420 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:32:54,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:54,465 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:54,466 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762963595]
[2020-09-04 13:32:54,466 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779419745]
[2020-09-04 13:32:54,467 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:32:54,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:54,558 INFO  L263         TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:32:54,567 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:32:54,642 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:54,642 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:32:54,643 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2020-09-04 13:32:54,643 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373334079]
[2020-09-04 13:32:54,643 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-04 13:32:54,644 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:32:54,644 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-04 13:32:54,644 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:32:54,644 INFO  L87              Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states.
[2020-09-04 13:32:55,216 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:32:55,216 INFO  L93              Difference]: Finished difference Result 1930 states and 2618 transitions.
[2020-09-04 13:32:55,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-04 13:32:55,217 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 126
[2020-09-04 13:32:55,218 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:32:55,223 INFO  L225             Difference]: With dead ends: 1930
[2020-09-04 13:32:55,223 INFO  L226             Difference]: Without dead ends: 1104
[2020-09-04 13:32:55,226 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:32:55,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1104 states.
[2020-09-04 13:32:55,257 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 830.
[2020-09-04 13:32:55,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 830 states.
[2020-09-04 13:32:55,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1097 transitions.
[2020-09-04 13:32:55,261 INFO  L78                 Accepts]: Start accepts. Automaton has 830 states and 1097 transitions. Word has length 126
[2020-09-04 13:32:55,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:32:55,262 INFO  L479      AbstractCegarLoop]: Abstraction has 830 states and 1097 transitions.
[2020-09-04 13:32:55,262 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-04 13:32:55,263 INFO  L276                IsEmpty]: Start isEmpty. Operand 830 states and 1097 transitions.
[2020-09-04 13:32:55,266 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2020-09-04 13:32:55,266 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:32:55,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:32:55,472 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:32:55,473 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:32:55,473 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:32:55,474 INFO  L82        PathProgramCache]: Analyzing trace with hash -813317238, now seen corresponding path program 1 times
[2020-09-04 13:32:55,474 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:32:55,474 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687051661]
[2020-09-04 13:32:55,475 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:32:55,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:55,573 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:32:55,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:55,601 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:32:55,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:55,668 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:55,669 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687051661]
[2020-09-04 13:32:55,669 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 13:32:55,669 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-04 13:32:55,670 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053757231]
[2020-09-04 13:32:55,670 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-04 13:32:55,671 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:32:55,671 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-04 13:32:55,671 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:32:55,672 INFO  L87              Difference]: Start difference. First operand 830 states and 1097 transitions. Second operand 8 states.
[2020-09-04 13:32:57,278 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:32:57,278 INFO  L93              Difference]: Finished difference Result 1968 states and 2669 transitions.
[2020-09-04 13:32:57,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-09-04 13:32:57,281 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 134
[2020-09-04 13:32:57,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:32:57,290 INFO  L225             Difference]: With dead ends: 1968
[2020-09-04 13:32:57,290 INFO  L226             Difference]: Without dead ends: 1144
[2020-09-04 13:32:57,293 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182
[2020-09-04 13:32:57,295 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1144 states.
[2020-09-04 13:32:57,356 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 850.
[2020-09-04 13:32:57,357 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 850 states.
[2020-09-04 13:32:57,360 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1044 transitions.
[2020-09-04 13:32:57,360 INFO  L78                 Accepts]: Start accepts. Automaton has 850 states and 1044 transitions. Word has length 134
[2020-09-04 13:32:57,361 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:32:57,362 INFO  L479      AbstractCegarLoop]: Abstraction has 850 states and 1044 transitions.
[2020-09-04 13:32:57,362 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-04 13:32:57,362 INFO  L276                IsEmpty]: Start isEmpty. Operand 850 states and 1044 transitions.
[2020-09-04 13:32:57,365 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-09-04 13:32:57,365 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:32:57,365 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:32:57,366 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-04 13:32:57,366 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:32:57,367 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:32:57,371 INFO  L82        PathProgramCache]: Analyzing trace with hash -601495216, now seen corresponding path program 1 times
[2020-09-04 13:32:57,372 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:32:57,372 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971872951]
[2020-09-04 13:32:57,372 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:32:57,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:57,513 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:32:57,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:57,533 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:32:57,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:57,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-04 13:32:57,585 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971872951]
[2020-09-04 13:32:57,585 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031660429]
[2020-09-04 13:32:57,586 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:32:57,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:32:57,708 INFO  L263         TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-09-04 13:32:57,712 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:32:57,796 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-09-04 13:32:57,796 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-09-04 13:32:57,797 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7
[2020-09-04 13:32:57,797 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479112306]
[2020-09-04 13:32:57,798 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-04 13:32:57,798 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:32:57,798 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-04 13:32:57,799 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-04 13:32:57,799 INFO  L87              Difference]: Start difference. First operand 850 states and 1044 transitions. Second operand 7 states.
[2020-09-04 13:33:00,131 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:33:00,132 INFO  L93              Difference]: Finished difference Result 3813 states and 4959 transitions.
[2020-09-04 13:33:00,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-09-04 13:33:00,132 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 135
[2020-09-04 13:33:00,133 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:33:00,148 INFO  L225             Difference]: With dead ends: 3813
[2020-09-04 13:33:00,148 INFO  L226             Difference]: Without dead ends: 2552
[2020-09-04 13:33:00,153 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2020-09-04 13:33:00,156 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2552 states.
[2020-09-04 13:33:00,226 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2240.
[2020-09-04 13:33:00,227 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2240 states.
[2020-09-04 13:33:00,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2778 transitions.
[2020-09-04 13:33:00,237 INFO  L78                 Accepts]: Start accepts. Automaton has 2240 states and 2778 transitions. Word has length 135
[2020-09-04 13:33:00,237 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:33:00,237 INFO  L479      AbstractCegarLoop]: Abstraction has 2240 states and 2778 transitions.
[2020-09-04 13:33:00,237 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-04 13:33:00,237 INFO  L276                IsEmpty]: Start isEmpty. Operand 2240 states and 2778 transitions.
[2020-09-04 13:33:00,244 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 146
[2020-09-04 13:33:00,244 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:33:00,244 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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]
[2020-09-04 13:33:00,458 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:00,458 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:33:00,458 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:33:00,460 INFO  L82        PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times
[2020-09-04 13:33:00,460 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:33:00,460 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509238878]
[2020-09-04 13:33:00,460 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:33:00,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:00,578 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:33:00,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:00,599 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:33:00,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:00,608 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-04 13:33:00,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:00,693 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-09-04 13:33:00,693 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509238878]
[2020-09-04 13:33:00,694 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863955701]
[2020-09-04 13:33:00,694 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:00,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:00,824 INFO  L263         TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:33:00,841 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:33:00,908 INFO  L134       CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2020-09-04 13:33:00,909 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-09-04 13:33:00,909 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8
[2020-09-04 13:33:00,909 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848562809]
[2020-09-04 13:33:00,910 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-04 13:33:00,911 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:33:00,911 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-04 13:33:00,912 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:33:00,912 INFO  L87              Difference]: Start difference. First operand 2240 states and 2778 transitions. Second operand 3 states.
[2020-09-04 13:33:01,580 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:33:01,580 INFO  L93              Difference]: Finished difference Result 6257 states and 7907 transitions.
[2020-09-04 13:33:01,582 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-04 13:33:01,583 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 145
[2020-09-04 13:33:01,583 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:33:01,605 INFO  L225             Difference]: With dead ends: 6257
[2020-09-04 13:33:01,605 INFO  L226             Difference]: Without dead ends: 4023
[2020-09-04 13:33:01,612 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-09-04 13:33:01,616 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4023 states.
[2020-09-04 13:33:01,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4023 to 3880.
[2020-09-04 13:33:01,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3880 states.
[2020-09-04 13:33:01,720 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 4791 transitions.
[2020-09-04 13:33:01,729 INFO  L78                 Accepts]: Start accepts. Automaton has 3880 states and 4791 transitions. Word has length 145
[2020-09-04 13:33:01,730 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:33:01,730 INFO  L479      AbstractCegarLoop]: Abstraction has 3880 states and 4791 transitions.
[2020-09-04 13:33:01,730 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-04 13:33:01,730 INFO  L276                IsEmpty]: Start isEmpty. Operand 3880 states and 4791 transitions.
[2020-09-04 13:33:01,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 223
[2020-09-04 13:33:01,742 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:33:01,743 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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]
[2020-09-04 13:33:01,956 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:01,956 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:33:01,957 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:33:01,957 INFO  L82        PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times
[2020-09-04 13:33:01,957 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:33:01,957 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759595722]
[2020-09-04 13:33:01,957 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:33:01,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:02,060 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:33:02,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:02,079 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:33:02,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:02,086 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-04 13:33:02,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:02,112 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-09-04 13:33:02,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:02,121 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-09-04 13:33:02,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:02,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2020-09-04 13:33:02,226 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759595722]
[2020-09-04 13:33:02,226 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339929395]
[2020-09-04 13:33:02,226 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:02,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:02,343 INFO  L263         TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:33:02,347 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:33:02,434 INFO  L134       CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked.
[2020-09-04 13:33:02,434 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-09-04 13:33:02,434 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10
[2020-09-04 13:33:02,435 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054321152]
[2020-09-04 13:33:02,436 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-04 13:33:02,436 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:33:02,436 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-04 13:33:02,436 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-09-04 13:33:02,436 INFO  L87              Difference]: Start difference. First operand 3880 states and 4791 transitions. Second operand 10 states.
[2020-09-04 13:33:03,600 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60
[2020-09-04 13:33:05,769 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:33:05,769 INFO  L93              Difference]: Finished difference Result 11121 states and 14273 transitions.
[2020-09-04 13:33:05,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-09-04 13:33:05,770 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 222
[2020-09-04 13:33:05,771 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:33:05,827 INFO  L225             Difference]: With dead ends: 11121
[2020-09-04 13:33:05,827 INFO  L226             Difference]: Without dead ends: 7112
[2020-09-04 13:33:05,846 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306
[2020-09-04 13:33:05,861 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7112 states.
[2020-09-04 13:33:06,183 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7112 to 6772.
[2020-09-04 13:33:06,184 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6772 states.
[2020-09-04 13:33:06,212 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 8505 transitions.
[2020-09-04 13:33:06,213 INFO  L78                 Accepts]: Start accepts. Automaton has 6772 states and 8505 transitions. Word has length 222
[2020-09-04 13:33:06,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:33:06,213 INFO  L479      AbstractCegarLoop]: Abstraction has 6772 states and 8505 transitions.
[2020-09-04 13:33:06,213 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-04 13:33:06,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 6772 states and 8505 transitions.
[2020-09-04 13:33:06,252 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 228
[2020-09-04 13:33:06,252 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:33:06,253 INFO  L422         BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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]
[2020-09-04 13:33:06,466 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:06,466 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:33:06,466 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:33:06,467 INFO  L82        PathProgramCache]: Analyzing trace with hash 879681691, now seen corresponding path program 1 times
[2020-09-04 13:33:06,467 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:33:06,467 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295128733]
[2020-09-04 13:33:06,468 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:33:06,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:06,598 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:33:06,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:06,616 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:33:06,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:06,628 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-04 13:33:06,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:06,675 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-09-04 13:33:06,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:06,685 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2020-09-04 13:33:06,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:06,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 202 backedges. 122 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2020-09-04 13:33:06,757 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295128733]
[2020-09-04 13:33:06,758 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239761737]
[2020-09-04 13:33:06,758 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:06,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:06,879 INFO  L263         TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:33:06,886 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:33:06,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 202 backedges. 165 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2020-09-04 13:33:06,963 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-09-04 13:33:06,963 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10
[2020-09-04 13:33:06,963 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947251508]
[2020-09-04 13:33:06,964 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-04 13:33:06,964 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:33:06,964 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-04 13:33:06,965 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-09-04 13:33:06,965 INFO  L87              Difference]: Start difference. First operand 6772 states and 8505 transitions. Second operand 10 states.
[2020-09-04 13:33:11,002 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:33:11,002 INFO  L93              Difference]: Finished difference Result 14317 states and 18966 transitions.
[2020-09-04 13:33:11,003 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2020-09-04 13:33:11,003 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 227
[2020-09-04 13:33:11,003 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:33:11,048 INFO  L225             Difference]: With dead ends: 14317
[2020-09-04 13:33:11,048 INFO  L226             Difference]: Without dead ends: 7555
[2020-09-04 13:33:11,073 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930
[2020-09-04 13:33:11,080 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7555 states.
[2020-09-04 13:33:11,309 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7555 to 6943.
[2020-09-04 13:33:11,309 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6943 states.
[2020-09-04 13:33:11,325 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 8406 transitions.
[2020-09-04 13:33:11,325 INFO  L78                 Accepts]: Start accepts. Automaton has 6943 states and 8406 transitions. Word has length 227
[2020-09-04 13:33:11,326 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:33:11,326 INFO  L479      AbstractCegarLoop]: Abstraction has 6943 states and 8406 transitions.
[2020-09-04 13:33:11,326 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-04 13:33:11,326 INFO  L276                IsEmpty]: Start isEmpty. Operand 6943 states and 8406 transitions.
[2020-09-04 13:33:11,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 273
[2020-09-04 13:33:11,355 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-04 13:33:11,355 INFO  L422         BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 13:33:11,570 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:11,570 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 13:33:11,570 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 13:33:11,571 INFO  L82        PathProgramCache]: Analyzing trace with hash 512785201, now seen corresponding path program 1 times
[2020-09-04 13:33:11,571 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-09-04 13:33:11,571 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818737028]
[2020-09-04 13:33:11,571 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 13:33:11,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,723 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 13:33:11,725 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,742 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2020-09-04 13:33:11,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,752 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2020-09-04 13:33:11,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,784 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-09-04 13:33:11,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,794 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2020-09-04 13:33:11,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,811 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2020-09-04 13:33:11,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,830 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108
[2020-09-04 13:33:11,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:11,918 INFO  L134       CoverageAnalysis]: Checked inductivity of 392 backedges. 169 proven. 50 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked.
[2020-09-04 13:33:11,918 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818737028]
[2020-09-04 13:33:11,919 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225370244]
[2020-09-04 13:33:11,919 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-09-04 13:33:12,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 13:33:12,092 INFO  L263         TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-09-04 13:33:12,096 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-09-04 13:33:12,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 392 backedges. 256 proven. 2 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked.
[2020-09-04 13:33:12,252 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-09-04 13:33:12,252 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10
[2020-09-04 13:33:12,253 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769203798]
[2020-09-04 13:33:12,254 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-04 13:33:12,254 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-09-04 13:33:12,254 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-04 13:33:12,254 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2020-09-04 13:33:12,254 INFO  L87              Difference]: Start difference. First operand 6943 states and 8406 transitions. Second operand 10 states.
[2020-09-04 13:33:13,545 WARN  L193               SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66
[2020-09-04 13:33:15,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-04 13:33:15,422 INFO  L93              Difference]: Finished difference Result 12140 states and 14447 transitions.
[2020-09-04 13:33:15,422 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2020-09-04 13:33:15,422 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 272
[2020-09-04 13:33:15,423 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-04 13:33:15,423 INFO  L225             Difference]: With dead ends: 12140
[2020-09-04 13:33:15,423 INFO  L226             Difference]: Without dead ends: 0
[2020-09-04 13:33:15,447 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=647, Unknown=0, NotChecked=0, Total=812
[2020-09-04 13:33:15,447 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-04 13:33:15,448 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-04 13:33:15,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-04 13:33:15,448 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-04 13:33:15,448 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272
[2020-09-04 13:33:15,449 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-04 13:33:15,449 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-04 13:33:15,449 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-04 13:33:15,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-04 13:33:15,449 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-04 13:33:15,664 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2020-09-04 13:33:15,667 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-04 13:33:16,145 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84
[2020-09-04 13:33:16,362 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81
[2020-09-04 13:33:17,869 WARN  L193               SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83
[2020-09-04 13:33:18,121 WARN  L193               SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90
[2020-09-04 13:33:18,414 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89
[2020-09-04 13:33:18,707 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84
[2020-09-04 13:33:18,912 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83
[2020-09-04 13:33:19,881 WARN  L193               SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 221
[2020-09-04 13:33:20,854 WARN  L193               SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 221
[2020-09-04 13:33:20,973 WARN  L193               SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 38
[2020-09-04 13:33:23,766 WARN  L193               SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 201 DAG size of output: 95
[2020-09-04 13:33:25,318 WARN  L193               SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 206 DAG size of output: 78
[2020-09-04 13:33:26,866 WARN  L193               SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 206 DAG size of output: 78
[2020-09-04 13:33:26,871 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-09-04 13:33:26,872 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|))
[2020-09-04 13:33:26,872 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-04 13:33:26,872 INFO  L268        CegarLoopResult]: For program point  L333(lines 333 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,873 INFO  L268        CegarLoopResult]: For program point  L102(lines 102 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,873 INFO  L268        CegarLoopResult]: For program point  L565-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,873 INFO  L268        CegarLoopResult]: For program point  L532-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,873 INFO  L268        CegarLoopResult]: For program point  L499-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,874 INFO  L268        CegarLoopResult]: For program point  L466-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,874 INFO  L268        CegarLoopResult]: For program point  L433-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,874 INFO  L268        CegarLoopResult]: For program point  L400-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,874 INFO  L268        CegarLoopResult]: For program point  L268(lines 268 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,874 INFO  L268        CegarLoopResult]: For program point  L136(lines 136 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,874 INFO  L268        CegarLoopResult]: For program point  L566(line 566)  no Hoare annotation was computed.
[2020-09-04 13:33:26,874 INFO  L268        CegarLoopResult]: For program point  L533(line 533)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L500(line 500)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L467(line 467)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L434(line 434)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L401(line 401)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L72(lines 72 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L568-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,875 INFO  L268        CegarLoopResult]: For program point  L535-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,876 INFO  L268        CegarLoopResult]: For program point  L502-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,876 INFO  L268        CegarLoopResult]: For program point  L469-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,876 INFO  L268        CegarLoopResult]: For program point  L436-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,876 INFO  L268        CegarLoopResult]: For program point  L403-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,876 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,876 INFO  L268        CegarLoopResult]: For program point  L238(lines 238 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,876 INFO  L268        CegarLoopResult]: For program point  L569(line 569)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L536(line 536)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L503(line 503)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L470(line 470)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L437(line 437)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L404(line 404)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L173(lines 173 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L140(lines 140 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  L372(lines 372 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,877 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L273(lines 273 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L108(lines 108 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L571-1(lines 571 573)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L538-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L505-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L472-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L439-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,878 INFO  L268        CegarLoopResult]: For program point  L406-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L208(lines 208 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L43(lines 43 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L572(line 572)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L539(line 539)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L506(line 506)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L473(line 473)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L440(line 440)  no Hoare annotation was computed.
[2020-09-04 13:33:26,879 INFO  L268        CegarLoopResult]: For program point  L407(line 407)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L144(lines 144 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L541-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L508-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L475-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L442-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L409-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L178(lines 178 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,880 INFO  L268        CegarLoopResult]: For program point  L542(line 542)  no Hoare annotation was computed.
[2020-09-04 13:33:26,881 INFO  L268        CegarLoopResult]: For program point  L509(line 509)  no Hoare annotation was computed.
[2020-09-04 13:33:26,881 INFO  L268        CegarLoopResult]: For program point  L476(line 476)  no Hoare annotation was computed.
[2020-09-04 13:33:26,881 INFO  L268        CegarLoopResult]: For program point  L443(line 443)  no Hoare annotation was computed.
[2020-09-04 13:33:26,881 INFO  L268        CegarLoopResult]: For program point  L410(line 410)  no Hoare annotation was computed.
[2020-09-04 13:33:26,881 INFO  L268        CegarLoopResult]: For program point  L377(lines 377 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,881 INFO  L268        CegarLoopResult]: For program point  L278(lines 278 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,881 INFO  L268        CegarLoopResult]: For program point  L245(lines 245 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,882 INFO  L268        CegarLoopResult]: For program point  L80(lines 80 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,882 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,882 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,882 INFO  L268        CegarLoopResult]: For program point  L114(lines 114 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,882 INFO  L268        CegarLoopResult]: For program point  L544-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,882 INFO  L268        CegarLoopResult]: For program point  L511-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,882 INFO  L268        CegarLoopResult]: For program point  L478-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,883 INFO  L268        CegarLoopResult]: For program point  L445-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,883 INFO  L268        CegarLoopResult]: For program point  L412-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,883 INFO  L268        CegarLoopResult]: For program point  L214(lines 214 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,883 INFO  L268        CegarLoopResult]: For program point  L148(lines 148 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,883 INFO  L268        CegarLoopResult]: For program point  L49(lines 49 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,883 INFO  L268        CegarLoopResult]: For program point  L545(line 545)  no Hoare annotation was computed.
[2020-09-04 13:33:26,883 INFO  L268        CegarLoopResult]: For program point  L512(line 512)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  L479(line 479)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  L446(line 446)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  L413(line 413)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  L84(lines 84 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  L547-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,884 INFO  L268        CegarLoopResult]: For program point  L514-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L481-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L448-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L382(lines 382 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L415-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L316(lines 316 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L250(lines 250 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L548(line 548)  no Hoare annotation was computed.
[2020-09-04 13:33:26,885 INFO  L268        CegarLoopResult]: For program point  L515(line 515)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L482(line 482)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L449(line 449)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L416(line 416)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L152(lines 152 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L318(lines 318 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,886 INFO  L268        CegarLoopResult]: For program point  L186(lines 186 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,887 INFO  L268        CegarLoopResult]: For program point  L54(lines 54 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,887 INFO  L268        CegarLoopResult]: For program point  L550-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,887 INFO  L268        CegarLoopResult]: For program point  L517-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,887 INFO  L268        CegarLoopResult]: For program point  L484-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,887 INFO  L268        CegarLoopResult]: For program point  L451-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,887 INFO  L268        CegarLoopResult]: For program point  L418-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,887 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L551(line 551)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L518(line 518)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L485(line 485)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L452(line 452)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L419(line 419)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L353(lines 353 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L189(lines 189 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,888 INFO  L268        CegarLoopResult]: For program point  L553-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,889 INFO  L268        CegarLoopResult]: For program point  L520-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,889 INFO  L268        CegarLoopResult]: For program point  L487-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,889 INFO  L268        CegarLoopResult]: For program point  L454-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,889 INFO  L268        CegarLoopResult]: For program point  L421-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,889 INFO  L268        CegarLoopResult]: For program point  L355(lines 355 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,889 INFO  L268        CegarLoopResult]: For program point  L256(lines 256 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,889 INFO  L268        CegarLoopResult]: For program point  L223(lines 223 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,890 INFO  L268        CegarLoopResult]: For program point  L124(lines 124 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,890 INFO  L268        CegarLoopResult]: For program point  L554(line 554)  no Hoare annotation was computed.
[2020-09-04 13:33:26,890 INFO  L268        CegarLoopResult]: For program point  L521(line 521)  no Hoare annotation was computed.
[2020-09-04 13:33:26,890 INFO  L268        CegarLoopResult]: For program point  L488(line 488)  no Hoare annotation was computed.
[2020-09-04 13:33:26,890 INFO  L268        CegarLoopResult]: For program point  L455(line 455)  no Hoare annotation was computed.
[2020-09-04 13:33:26,890 INFO  L268        CegarLoopResult]: For program point  L422(line 422)  no Hoare annotation was computed.
[2020-09-04 13:33:26,890 INFO  L268        CegarLoopResult]: For program point  L92(lines 92 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,891 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 30 575)  the Hoare annotation is:  (let ((.cse22 (= ~a17~0 1)) (.cse1 (not (<= |old(~a7~0)| 0))) (.cse8 (not (<= |old(~a16~0)| 5))) (.cse24 (not (<= |old(~a8~0)| 14))) (.cse18 (= ~a21~0 |old(~a21~0)|)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= ~a7~0 |old(~a7~0)|)) (.cse23 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a21~0 1)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse20 (= ~a8~0 |old(~a8~0)|)) (.cse21 (= ~a16~0 4))) (let ((.cse0 (and .cse17 .cse23 .cse26 .cse19 .cse20 .cse21)) (.cse14 (and (let ((.cse27 (<= ~a8~0 14)) (.cse28 (<= ~a16~0 5))) (or (and .cse17 .cse23 .cse19 .cse27 .cse18 .cse28 (<= ~a7~0 0) .cse20) (and .cse23 .cse17 .cse27 .cse18 .cse19 .cse28 (not (= ~a8~0 13)) .cse20))) .cse25)) (.cse13 (and (or (= |old(~a8~0)| 13) .cse8 .cse24) (or .cse1 .cse8 .cse24))) (.cse2 (not (= |old(~a20~0)| 1))) (.cse5 (not (= 4 |old(~a16~0)|))) (.cse6 (not (= |old(~a17~0)| 1))) (.cse15 (and .cse17 .cse18 .cse19 .cse25 .cse20 .cse22)) (.cse7 (not (<= 5 |old(~a16~0)|))) (.cse11 (not (<= 15 |old(~a8~0)|))) (.cse9 (and .cse17 .cse23 .cse26 .cse19 .cse25 .cse20)) (.cse4 (not (= |old(~a21~0)| 1))) (.cse10 (not (<= |old(~a20~0)| 0))) (.cse16 (not (<= |old(~a8~0)| 13))) (.cse3 (not (<= |old(~a17~0)| 0))) (.cse12 (not (<= 6 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4 .cse9 .cse10) (or .cse6 .cse1 .cse11 .cse12 .cse9 .cse4 .cse10) (or .cse3 .cse13 .cse14 .cse4) (or .cse7 .cse11 .cse2 .cse3 .cse9 .cse4) (or .cse0 .cse3 .cse4 .cse10 .cse5) (or .cse14 .cse13 (not (= 5 |old(~a16~0)|))) (or .cse6 .cse7 .cse1 .cse8 .cse2 .cse9 .cse4) (or .cse15 .cse6 .cse1 .cse16) (or .cse6 (and .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) .cse4 .cse5) (or (and .cse23 .cse17 .cse18 .cse19 .cse20 .cse21) .cse8 .cse24 .cse3 .cse5) (or .cse6 .cse15 .cse8 .cse24) (or .cse1 .cse11 .cse3 .cse12 .cse9 .cse4 .cse10) (or .cse7 .cse8 .cse11 .cse3 .cse9 .cse4 .cse10) (or .cse16 (and .cse23 .cse17 .cse18 .cse19 .cse25 .cse20) .cse3 .cse12))))
[2020-09-04 13:33:26,891 INFO  L268        CegarLoopResult]: For program point  L324(lines 324 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,891 INFO  L268        CegarLoopResult]: For program point  L556-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,891 INFO  L268        CegarLoopResult]: For program point  L523-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,891 INFO  L268        CegarLoopResult]: For program point  L490-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,892 INFO  L268        CegarLoopResult]: For program point  L457-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,892 INFO  L268        CegarLoopResult]: For program point  L391(lines 391 393)  no Hoare annotation was computed.
[2020-09-04 13:33:26,892 INFO  L268        CegarLoopResult]: For program point  L424-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,892 INFO  L268        CegarLoopResult]: For program point  L391-2(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,892 INFO  L268        CegarLoopResult]: For program point  L292(lines 292 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,892 INFO  L268        CegarLoopResult]: For program point  L160(lines 160 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,893 INFO  L268        CegarLoopResult]: For program point  L557(line 557)  no Hoare annotation was computed.
[2020-09-04 13:33:26,893 INFO  L268        CegarLoopResult]: For program point  L524(line 524)  no Hoare annotation was computed.
[2020-09-04 13:33:26,893 INFO  L268        CegarLoopResult]: For program point  L491(line 491)  no Hoare annotation was computed.
[2020-09-04 13:33:26,893 INFO  L268        CegarLoopResult]: For program point  L458(line 458)  no Hoare annotation was computed.
[2020-09-04 13:33:26,893 INFO  L268        CegarLoopResult]: For program point  L425(line 425)  no Hoare annotation was computed.
[2020-09-04 13:33:26,893 INFO  L268        CegarLoopResult]: For program point  L392(line 392)  no Hoare annotation was computed.
[2020-09-04 13:33:26,893 INFO  L268        CegarLoopResult]: For program point  L194(lines 194 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,894 INFO  L268        CegarLoopResult]: For program point  L62(lines 62 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,894 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,894 INFO  L268        CegarLoopResult]: For program point  L129(lines 129 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,894 INFO  L268        CegarLoopResult]: For program point  L559-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,894 INFO  L268        CegarLoopResult]: For program point  L526-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,894 INFO  L268        CegarLoopResult]: For program point  L493-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,894 INFO  L268        CegarLoopResult]: For program point  L460-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,895 INFO  L268        CegarLoopResult]: For program point  L427-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,895 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,895 INFO  L268        CegarLoopResult]: For program point  L394-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,895 INFO  L268        CegarLoopResult]: For program point  L97(lines 97 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,895 INFO  L268        CegarLoopResult]: For program point  L31(lines 31 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,895 INFO  L268        CegarLoopResult]: For program point  L560(line 560)  no Hoare annotation was computed.
[2020-09-04 13:33:26,896 INFO  L268        CegarLoopResult]: For program point  L527(line 527)  no Hoare annotation was computed.
[2020-09-04 13:33:26,896 INFO  L268        CegarLoopResult]: For program point  L494(line 494)  no Hoare annotation was computed.
[2020-09-04 13:33:26,896 INFO  L268        CegarLoopResult]: For program point  L461(line 461)  no Hoare annotation was computed.
[2020-09-04 13:33:26,896 INFO  L268        CegarLoopResult]: For program point  L428(line 428)  no Hoare annotation was computed.
[2020-09-04 13:33:26,896 INFO  L268        CegarLoopResult]: For program point  L395(line 395)  no Hoare annotation was computed.
[2020-09-04 13:33:26,896 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,896 INFO  L268        CegarLoopResult]: For program point  L197(lines 197 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,897 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,897 INFO  L268        CegarLoopResult]: For program point  L363(lines 363 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,897 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,897 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,897 INFO  L268        CegarLoopResult]: For program point  L562-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,897 INFO  L268        CegarLoopResult]: For program point  L529-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,898 INFO  L268        CegarLoopResult]: For program point  L496-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,898 INFO  L268        CegarLoopResult]: For program point  L463-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,898 INFO  L268        CegarLoopResult]: For program point  L430-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,898 INFO  L268        CegarLoopResult]: For program point  L397-1(lines 30 575)  no Hoare annotation was computed.
[2020-09-04 13:33:26,898 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,898 INFO  L268        CegarLoopResult]: For program point  L563(line 563)  no Hoare annotation was computed.
[2020-09-04 13:33:26,898 INFO  L268        CegarLoopResult]: For program point  L530(line 530)  no Hoare annotation was computed.
[2020-09-04 13:33:26,899 INFO  L268        CegarLoopResult]: For program point  L497(line 497)  no Hoare annotation was computed.
[2020-09-04 13:33:26,899 INFO  L268        CegarLoopResult]: For program point  L464(line 464)  no Hoare annotation was computed.
[2020-09-04 13:33:26,899 INFO  L268        CegarLoopResult]: For program point  L431(line 431)  no Hoare annotation was computed.
[2020-09-04 13:33:26,899 INFO  L268        CegarLoopResult]: For program point  L398(line 398)  no Hoare annotation was computed.
[2020-09-04 13:33:26,899 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,899 INFO  L268        CegarLoopResult]: For program point  L299(lines 299 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,900 INFO  L268        CegarLoopResult]: For program point  L35(lines 35 390)  no Hoare annotation was computed.
[2020-09-04 13:33:26,900 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-04 13:33:26,900 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= ~a21~0 1) (<= ~a16~0 5) (<= ~a7~0 0) (= ~a20~0 1) (<= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1))
[2020-09-04 13:33:26,900 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-04 13:33:26,900 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-04 13:33:26,900 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 577 594)  the Hoare annotation is:  (or (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)) (not (= |old(~a21~0)| 1)))
[2020-09-04 13:33:26,901 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 577 594)  no Hoare annotation was computed.
[2020-09-04 13:33:26,901 INFO  L264        CegarLoopResult]: At program point  L591(line 591)  the Hoare annotation is:  (let ((.cse11 (<= ~a7~0 0)) (.cse6 (<= ~a8~0 14)) (.cse1 (<= ~a16~0 5))) (let ((.cse9 (or (and .cse6 .cse1 .cse11) (and .cse6 .cse1 (not (= ~a8~0 13))))) (.cse8 (= ~a20~0 1)) (.cse10 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse2 (<= 5 ~a16~0)) (.cse3 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1)) (.cse12 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3) (and .cse9 (= ~a16~0 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse6 .cse7 .cse10) (and .cse9 .cse0 .cse7) (not (= |old(~a20~0)| 1)) (and .cse0 .cse7 .cse11 .cse8 .cse10) (not (= |old(~a21~0)| 1)) (and .cse0 .cse7 .cse11 .cse2 .cse3 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse11 .cse2 .cse3 .cse4 .cse5) (and (<= 6 ~a16~0) .cse7 .cse12) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse7 .cse10 .cse5) (and .cse0 .cse10 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) .cse2 .cse3 .cse4) (and .cse11 .cse4 .cse12))))
[2020-09-04 13:33:26,901 INFO  L268        CegarLoopResult]: For program point  L591-1(line 591)  no Hoare annotation was computed.
[2020-09-04 13:33:26,901 INFO  L268        CegarLoopResult]: For program point  L588(line 588)  no Hoare annotation was computed.
[2020-09-04 13:33:26,902 INFO  L264        CegarLoopResult]: At program point  L583-2(lines 583 593)  the Hoare annotation is:  (let ((.cse11 (<= ~a7~0 0)) (.cse6 (<= ~a8~0 14)) (.cse1 (<= ~a16~0 5))) (let ((.cse9 (or (and .cse6 .cse1 .cse11) (and .cse6 .cse1 (not (= ~a8~0 13))))) (.cse8 (= ~a20~0 1)) (.cse10 (= ~a16~0 4)) (.cse0 (= ~a21~0 1)) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse2 (<= 5 ~a16~0)) (.cse3 (<= 15 ~a8~0)) (.cse4 (= ~a17~0 1)) (.cse12 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse1 .cse4) (and .cse0 .cse7 .cse8 .cse2 .cse3) (and .cse9 (= ~a16~0 |old(~a16~0)|)) (not (<= |old(~a7~0)| 0)) (and .cse6 .cse7 .cse10) (and .cse9 .cse0 .cse7) (not (= |old(~a20~0)| 1)) (and .cse0 .cse7 .cse11 .cse8 .cse10) (not (= |old(~a21~0)| 1)) (and .cse0 .cse7 .cse11 .cse2 .cse3 .cse5) (not (= |old(~a17~0)| 1)) (and .cse0 .cse11 .cse2 .cse3 .cse4 .cse5) (and (<= 6 ~a16~0) .cse7 .cse12) (not (<= |old(~a16~0)| 5)) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse7 .cse10 .cse5) (and .cse0 .cse10 .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse5) (and (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) .cse1 (= ~a8~0 |old(~a8~0)|) .cse2 .cse3 .cse4) (and .cse11 .cse4 .cse12))))
[2020-09-04 13:33:26,902 INFO  L268        CegarLoopResult]: For program point  L583-3(lines 577 594)  no Hoare annotation was computed.
[2020-09-04 13:33:26,930 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:33:26 BoogieIcfgContainer
[2020-09-04 13:33:26,930 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-04 13:33:26,933 INFO  L168              Benchmark]: Toolchain (without parser) took 40940.20 ms. Allocated memory was 147.8 MB in the beginning and 754.5 MB in the end (delta: 606.6 MB). Free memory was 102.3 MB in the beginning and 101.9 MB in the end (delta: 342.6 kB). Peak memory consumption was 609.5 MB. Max. memory is 7.1 GB.
[2020-09-04 13:33:26,933 INFO  L168              Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-04 13:33:26,934 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 808.36 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.1 MB in the beginning and 173.2 MB in the end (delta: -71.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB.
[2020-09-04 13:33:26,935 INFO  L168              Benchmark]: Boogie Preprocessor took 105.80 ms. Allocated memory is still 207.1 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
[2020-09-04 13:33:26,936 INFO  L168              Benchmark]: RCFGBuilder took 1212.89 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 179.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB.
[2020-09-04 13:33:26,937 INFO  L168              Benchmark]: TraceAbstraction took 38807.07 ms. Allocated memory was 238.6 MB in the beginning and 754.5 MB in the end (delta: 515.9 MB). Free memory was 179.1 MB in the beginning and 101.9 MB in the end (delta: 77.2 MB). Peak memory consumption was 595.6 MB. Max. memory is 7.1 GB.
[2020-09-04 13:33:26,940 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 808.36 ms. Allocated memory was 147.8 MB in the beginning and 207.1 MB in the end (delta: 59.2 MB). Free memory was 102.1 MB in the beginning and 173.2 MB in the end (delta: -71.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 105.80 ms. Allocated memory is still 207.1 MB. Free memory was 173.2 MB in the beginning and 168.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1212.89 ms. Allocated memory was 207.1 MB in the beginning and 238.6 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 179.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 38807.07 ms. Allocated memory was 238.6 MB in the beginning and 754.5 MB in the end (delta: 515.9 MB). Free memory was 179.1 MB in the beginning and 101.9 MB in the end (delta: 77.2 MB). Peak memory consumption was 595.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 485]: 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: 583]: Loop Invariant
    Derived loop invariant: (((((((((((((((((((((((((a21 == 1 && a16 <= 5) && 5 <= a16) && 15 <= a8) && a17 == 1) && a20 <= 0) || !(5 <= \old(a16))) || ((a8 <= 14 && a16 <= 5) && a17 == 1)) || ((((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) && 15 <= a8)) || ((((a8 <= 14 && a16 <= 5) && a7 <= 0) || ((a8 <= 14 && a16 <= 5) && !(a8 == 13))) && a16 == \old(a16))) || !(\old(a7) <= 0)) || ((a8 <= 14 && a17 <= 0) && a16 == 4)) || (((((a8 <= 14 && a16 <= 5) && a7 <= 0) || ((a8 <= 14 && a16 <= 5) && !(a8 == 13))) && a21 == 1) && a17 <= 0)) || !(\old(a20) == 1)) || ((((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1) && a16 == 4)) || !(\old(a21) == 1)) || (((((a21 == 1 && a17 <= 0) && a7 <= 0) && 5 <= a16) && 15 <= a8) && a20 <= 0)) || !(\old(a17) == 1)) || (((((a21 == 1 && a7 <= 0) && 5 <= a16) && 15 <= a8) && a17 == 1) && a20 <= 0)) || ((6 <= a16 && a17 <= 0) && a8 <= 13)) || !(\old(a16) <= 5)) || !(15 <= \old(a8))) || (((a21 == 1 && a17 <= 0) && a16 == 4) && a20 <= 0)) || ((a21 == 1 && a16 == 4) && a17 == 1)) || (((((a21 == 1 && a16 <= 5) && a17 <= 0) && 5 <= a16) && 15 <= a8) && a20 <= 0)) || (((((((a7 == \old(a7) && a21 == \old(a21)) && a20 == \old(a20)) && a16 <= 5) && a8 == \old(a8)) && 5 <= a16) && 15 <= a8) && a17 == 1)) || ((a7 <= 0 && a17 == 1) && a8 <= 13)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.4s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 908 SDtfs, 5204 SDslu, 574 SDs, 0 SdLazy, 10851 SolverSat, 1856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1462 GetRequests, 1336 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6943occurred 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, 10 MinimizatonAttempts, 1999 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 268 PreInvPairs, 358 NumberOfFragments, 1364 HoareAnnotationTreeSize, 268 FomulaSimplifications, 480900 FormulaSimplificationTreeSizeReduction, 5.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 25339 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2856 NumberOfCodeBlocks, 2856 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2839 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294091 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3518 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 1617/1773 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...