/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-d623d84
[2020-07-20 11:37:33,595 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 11:37:33,601 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2020-07-20 11:37:33,622 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 11:37:33,624 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 11:37:33,627 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-07-20 11:37:33,644 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-07-20 11:37:33,654 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 11:37:33,655 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 11:37:33,656 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 11:37:33,657 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 11:37:33,659 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 11:37:33,661 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 11:37:33,664 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 11:37:33,666 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 11:37:33,666 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 11:37:33,669 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 11:37:33,669 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 11:37:33,669 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-07-20 11:37:33,676 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 11:37:33,678 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 11:37:33,679 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 11:37:33,693 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 11:37:33,693 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 11:37:33,695 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 11:37:33,695 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 11:37:33,695 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 11:37:33,695 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 11:37:33,696 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 11:37:33,696 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 11:37:33,696 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 11:37:33,696 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 11:37:33,696 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 11:37:33,697 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 11:37:33,697 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 11:37:33,697 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 11:37:33,697 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 11:37:33,697 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 11:37:33,697 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 11:37:33,698 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 11:37:33,698 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 11:37:33,698 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 11:37:33,698 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 11:37:33,699 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 11:37:33,699 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 11:37:33,699 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 11:37:33,699 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 11:37:33,699 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 11:37:33,700 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:33,700 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 11:37:33,700 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 11:37:33,700 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY
[2020-07-20 11:37:34,015 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 11:37:34,034 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 11:37:34,038 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 11:37:34,040 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 11:37:34,040 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 11:37:34,042 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c
[2020-07-20 11:37:34,121 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c1174f7/adef62874877475dba76e6aa0e43fe47/FLAG2222d206c
[2020-07-20 11:37:34,716 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 11:37:34,717 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c
[2020-07-20 11:37:34,729 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c1174f7/adef62874877475dba76e6aa0e43fe47/FLAG2222d206c
[2020-07-20 11:37:34,997 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c1174f7/adef62874877475dba76e6aa0e43fe47
[2020-07-20 11:37:35,006 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 11:37:35,008 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 11:37:35,009 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 11:37:35,010 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 11:37:35,013 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 11:37:35,014 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:37:34" (1/1) ...
[2020-07-20 11:37:35,017 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4d1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35, skipping insertion in model container
[2020-07-20 11:37:35,017 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:37:34" (1/1) ...
[2020-07-20 11:37:35,024 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 11:37:35,092 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 11:37:35,633 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:37:35,641 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 11:37:35,761 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 11:37:35,777 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 11:37:35,778 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35 WrapperNode
[2020-07-20 11:37:35,778 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 11:37:35,779 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 11:37:35,779 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 11:37:35,779 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 11:37:35,793 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,794 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,818 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,825 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,868 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,879 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,901 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
[2020-07-20 11:37:35,911 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 11:37:35,912 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 11:37:35,913 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 11:37:35,913 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 11:37:35,914 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 11:37:35,998 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 11:37:35,998 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 11:37:35,998 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 11:37:35,999 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 11:37:35,999 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 11:37:35,999 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 11:37:36,000 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 11:37:36,001 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 11:37:36,001 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 11:37:36,001 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 11:37:36,001 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 11:37:37,378 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 11:37:37,379 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 11:37:37,385 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:37:37 BoogieIcfgContainer
[2020-07-20 11:37:37,385 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 11:37:37,387 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 11:37:37,387 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 11:37:37,390 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 11:37:37,390 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:37:34" (1/3) ...
[2020-07-20 11:37:37,391 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eea9ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:37:37, skipping insertion in model container
[2020-07-20 11:37:37,392 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:37:35" (2/3) ...
[2020-07-20 11:37:37,392 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eea9ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:37:37, skipping insertion in model container
[2020-07-20 11:37:37,392 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:37:37" (3/3) ...
[2020-07-20 11:37:37,394 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem10_label19.c
[2020-07-20 11:37:37,405 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 11:37:37,413 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 11:37:37,428 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 11:37:37,454 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 11:37:37,455 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 11:37:37,455 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 11:37:37,455 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 11:37:37,455 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 11:37:37,456 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 11:37:37,456 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 11:37:37,456 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 11:37:37,480 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-20 11:37:37,488 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-07-20 11:37:37,488 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:37,490 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]
[2020-07-20 11:37:37,490 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:37,497 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:37,497 INFO  L82        PathProgramCache]: Analyzing trace with hash -1418549242, now seen corresponding path program 1 times
[2020-07-20 11:37:37,506 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:37,507 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634540812]
[2020-07-20 11:37:37,507 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:37,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:37,590 INFO  L263         TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:37:37,598 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:37,671 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:37,672 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:37,673 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634540812]
[2020-07-20 11:37:37,674 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:37,674 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:37,675 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030775179]
[2020-07-20 11:37:37,680 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:37,681 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:37,695 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:37,696 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:37,698 INFO  L87              Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-20 11:37:38,796 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:38,796 INFO  L93              Difference]: Finished difference Result 586 states and 1004 transitions.
[2020-07-20 11:37:38,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:37:38,798 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 35
[2020-07-20 11:37:38,799 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:38,815 INFO  L225             Difference]: With dead ends: 586
[2020-07-20 11:37:38,815 INFO  L226             Difference]: Without dead ends: 294
[2020-07-20 11:37:38,822 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:38,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-20 11:37:38,897 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-20 11:37:38,898 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 11:37:38,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions.
[2020-07-20 11:37:38,902 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 35
[2020-07-20 11:37:38,903 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:38,903 INFO  L479      AbstractCegarLoop]: Abstraction has 294 states and 446 transitions.
[2020-07-20 11:37:38,903 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:38,904 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions.
[2020-07-20 11:37:38,909 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2020-07-20 11:37:38,909 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:38,910 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:39,125 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:39,125 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:39,126 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:39,127 INFO  L82        PathProgramCache]: Analyzing trace with hash -945859230, now seen corresponding path program 1 times
[2020-07-20 11:37:39,127 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:39,128 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383931851]
[2020-07-20 11:37:39,128 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:39,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:39,205 INFO  L263         TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:39,215 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:39,265 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:39,265 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:39,266 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383931851]
[2020-07-20 11:37:39,266 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:39,266 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:39,267 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639030069]
[2020-07-20 11:37:39,268 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:39,269 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:39,269 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:39,269 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:39,269 INFO  L87              Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 3 states.
[2020-07-20 11:37:40,001 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:40,002 INFO  L93              Difference]: Finished difference Result 868 states and 1337 transitions.
[2020-07-20 11:37:40,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:37:40,003 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 105
[2020-07-20 11:37:40,004 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:40,009 INFO  L225             Difference]: With dead ends: 868
[2020-07-20 11:37:40,009 INFO  L226             Difference]: Without dead ends: 580
[2020-07-20 11:37:40,011 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:40,013 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 580 states.
[2020-07-20 11:37:40,050 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580.
[2020-07-20 11:37:40,050 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 580 states.
[2020-07-20 11:37:40,053 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 802 transitions.
[2020-07-20 11:37:40,054 INFO  L78                 Accepts]: Start accepts. Automaton has 580 states and 802 transitions. Word has length 105
[2020-07-20 11:37:40,055 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:40,055 INFO  L479      AbstractCegarLoop]: Abstraction has 580 states and 802 transitions.
[2020-07-20 11:37:40,055 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:40,055 INFO  L276                IsEmpty]: Start isEmpty. Operand 580 states and 802 transitions.
[2020-07-20 11:37:40,058 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2020-07-20 11:37:40,058 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:40,058 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:40,272 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:40,273 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:40,274 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:40,274 INFO  L82        PathProgramCache]: Analyzing trace with hash -1012541875, now seen corresponding path program 1 times
[2020-07-20 11:37:40,275 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:40,276 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303919445]
[2020-07-20 11:37:40,276 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:40,347 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:40,349 INFO  L263         TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:37:40,353 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:40,394 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:40,395 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:40,395 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303919445]
[2020-07-20 11:37:40,395 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:40,396 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 11:37:40,396 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325683703]
[2020-07-20 11:37:40,396 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 11:37:40,397 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:40,397 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 11:37:40,397 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 11:37:40,397 INFO  L87              Difference]: Start difference. First operand 580 states and 802 transitions. Second operand 5 states.
[2020-07-20 11:37:41,401 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:41,401 INFO  L93              Difference]: Finished difference Result 1470 states and 2115 transitions.
[2020-07-20 11:37:41,403 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 11:37:41,403 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 116
[2020-07-20 11:37:41,404 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:41,417 INFO  L225             Difference]: With dead ends: 1470
[2020-07-20 11:37:41,417 INFO  L226             Difference]: Without dead ends: 896
[2020-07-20 11:37:41,419 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-20 11:37:41,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 896 states.
[2020-07-20 11:37:41,474 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 886.
[2020-07-20 11:37:41,475 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 886 states.
[2020-07-20 11:37:41,479 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1170 transitions.
[2020-07-20 11:37:41,480 INFO  L78                 Accepts]: Start accepts. Automaton has 886 states and 1170 transitions. Word has length 116
[2020-07-20 11:37:41,480 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:41,480 INFO  L479      AbstractCegarLoop]: Abstraction has 886 states and 1170 transitions.
[2020-07-20 11:37:41,480 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 11:37:41,481 INFO  L276                IsEmpty]: Start isEmpty. Operand 886 states and 1170 transitions.
[2020-07-20 11:37:41,484 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2020-07-20 11:37:41,484 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:41,484 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:41,697 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:41,697 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:41,697 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:41,698 INFO  L82        PathProgramCache]: Analyzing trace with hash -892446079, now seen corresponding path program 1 times
[2020-07-20 11:37:41,698 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:41,698 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847651454]
[2020-07-20 11:37:41,698 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:41,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:41,762 INFO  L263         TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 11:37:41,766 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:41,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:41,842 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:41,843 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847651454]
[2020-07-20 11:37:41,843 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:41,844 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 11:37:41,844 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442153363]
[2020-07-20 11:37:41,845 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 11:37:41,846 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:41,846 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 11:37:41,847 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-07-20 11:37:41,848 INFO  L87              Difference]: Start difference. First operand 886 states and 1170 transitions. Second operand 5 states.
[2020-07-20 11:37:42,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:42,903 INFO  L93              Difference]: Finished difference Result 2233 states and 3103 transitions.
[2020-07-20 11:37:42,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 11:37:42,904 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 126
[2020-07-20 11:37:42,905 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:42,917 INFO  L225             Difference]: With dead ends: 2233
[2020-07-20 11:37:42,917 INFO  L226             Difference]: Without dead ends: 1353
[2020-07-20 11:37:42,920 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 11:37:42,922 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1353 states.
[2020-07-20 11:37:42,978 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1327.
[2020-07-20 11:37:42,978 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1327 states.
[2020-07-20 11:37:42,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1744 transitions.
[2020-07-20 11:37:42,985 INFO  L78                 Accepts]: Start accepts. Automaton has 1327 states and 1744 transitions. Word has length 126
[2020-07-20 11:37:42,987 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:42,987 INFO  L479      AbstractCegarLoop]: Abstraction has 1327 states and 1744 transitions.
[2020-07-20 11:37:42,987 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 11:37:42,988 INFO  L276                IsEmpty]: Start isEmpty. Operand 1327 states and 1744 transitions.
[2020-07-20 11:37:43,001 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 188
[2020-07-20 11:37:43,002 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:43,002 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 11:37:43,216 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:43,217 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:43,218 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:43,218 INFO  L82        PathProgramCache]: Analyzing trace with hash 839505174, now seen corresponding path program 1 times
[2020-07-20 11:37:43,218 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:43,219 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621392535]
[2020-07-20 11:37:43,220 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:43,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:43,302 INFO  L263         TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:43,307 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:43,372 INFO  L134       CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:43,373 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:37:43,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 126 backedges. 124 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 11:37:43,531 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621392535]
[2020-07-20 11:37:43,532 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:37:43,532 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 11:37:43,532 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529545109]
[2020-07-20 11:37:43,534 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 11:37:43,534 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:43,534 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 11:37:43,534 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 11:37:43,535 INFO  L87              Difference]: Start difference. First operand 1327 states and 1744 transitions. Second operand 7 states.
[2020-07-20 11:37:44,879 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:44,879 INFO  L93              Difference]: Finished difference Result 3246 states and 4284 transitions.
[2020-07-20 11:37:44,880 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-07-20 11:37:44,880 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 187
[2020-07-20 11:37:44,881 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:44,894 INFO  L225             Difference]: With dead ends: 3246
[2020-07-20 11:37:44,894 INFO  L226             Difference]: Without dead ends: 1925
[2020-07-20 11:37:44,924 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 369 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132
[2020-07-20 11:37:44,927 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1925 states.
[2020-07-20 11:37:44,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1921.
[2020-07-20 11:37:44,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1921 states.
[2020-07-20 11:37:44,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1921 states and 2361 transitions.
[2020-07-20 11:37:44,994 INFO  L78                 Accepts]: Start accepts. Automaton has 1921 states and 2361 transitions. Word has length 187
[2020-07-20 11:37:44,994 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:44,995 INFO  L479      AbstractCegarLoop]: Abstraction has 1921 states and 2361 transitions.
[2020-07-20 11:37:44,995 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 11:37:44,995 INFO  L276                IsEmpty]: Start isEmpty. Operand 1921 states and 2361 transitions.
[2020-07-20 11:37:44,999 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2020-07-20 11:37:44,999 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:44,999 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2020-07-20 11:37:45,214 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:45,215 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:45,215 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:45,215 INFO  L82        PathProgramCache]: Analyzing trace with hash 1794002142, now seen corresponding path program 1 times
[2020-07-20 11:37:45,216 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:45,216 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022289646]
[2020-07-20 11:37:45,216 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:45,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:45,317 INFO  L263         TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:45,321 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:45,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 126 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2020-07-20 11:37:45,361 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:45,362 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022289646]
[2020-07-20 11:37:45,363 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:45,363 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:45,364 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727121006]
[2020-07-20 11:37:45,365 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:45,365 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:45,365 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:45,366 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:45,366 INFO  L87              Difference]: Start difference. First operand 1921 states and 2361 transitions. Second operand 3 states.
[2020-07-20 11:37:46,013 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:46,014 INFO  L93              Difference]: Finished difference Result 3230 states and 3986 transitions.
[2020-07-20 11:37:46,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:37:46,016 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 191
[2020-07-20 11:37:46,017 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:46,034 INFO  L225             Difference]: With dead ends: 3230
[2020-07-20 11:37:46,034 INFO  L226             Difference]: Without dead ends: 3228
[2020-07-20 11:37:46,037 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:46,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3228 states.
[2020-07-20 11:37:46,102 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 2219.
[2020-07-20 11:37:46,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2219 states.
[2020-07-20 11:37:46,110 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 2724 transitions.
[2020-07-20 11:37:46,110 INFO  L78                 Accepts]: Start accepts. Automaton has 2219 states and 2724 transitions. Word has length 191
[2020-07-20 11:37:46,111 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:46,111 INFO  L479      AbstractCegarLoop]: Abstraction has 2219 states and 2724 transitions.
[2020-07-20 11:37:46,111 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:46,111 INFO  L276                IsEmpty]: Start isEmpty. Operand 2219 states and 2724 transitions.
[2020-07-20 11:37:46,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 205
[2020-07-20 11:37:46,115 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:46,116 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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]
[2020-07-20 11:37:46,330 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:46,331 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:46,332 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:46,332 INFO  L82        PathProgramCache]: Analyzing trace with hash 1119643437, now seen corresponding path program 1 times
[2020-07-20 11:37:46,333 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:46,333 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148627966]
[2020-07-20 11:37:46,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:46,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:46,453 INFO  L263         TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:46,457 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:46,492 INFO  L134       CoverageAnalysis]: Checked inductivity of 138 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked.
[2020-07-20 11:37:46,493 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:46,493 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148627966]
[2020-07-20 11:37:46,493 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:46,493 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:46,493 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234536820]
[2020-07-20 11:37:46,494 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:46,494 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:46,494 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:46,494 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:46,495 INFO  L87              Difference]: Start difference. First operand 2219 states and 2724 transitions. Second operand 3 states.
[2020-07-20 11:37:47,124 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:47,124 INFO  L93              Difference]: Finished difference Result 4432 states and 5449 transitions.
[2020-07-20 11:37:47,125 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:37:47,125 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 204
[2020-07-20 11:37:47,126 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:47,137 INFO  L225             Difference]: With dead ends: 4432
[2020-07-20 11:37:47,138 INFO  L226             Difference]: Without dead ends: 2219
[2020-07-20 11:37:47,143 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:47,146 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2219 states.
[2020-07-20 11:37:47,192 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2074.
[2020-07-20 11:37:47,193 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2074 states.
[2020-07-20 11:37:47,199 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2492 transitions.
[2020-07-20 11:37:47,200 INFO  L78                 Accepts]: Start accepts. Automaton has 2074 states and 2492 transitions. Word has length 204
[2020-07-20 11:37:47,200 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:47,200 INFO  L479      AbstractCegarLoop]: Abstraction has 2074 states and 2492 transitions.
[2020-07-20 11:37:47,201 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:47,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 2074 states and 2492 transitions.
[2020-07-20 11:37:47,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 313
[2020-07-20 11:37:47,210 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:47,210 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:47,424 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:47,425 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:47,425 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:47,425 INFO  L82        PathProgramCache]: Analyzing trace with hash -1601268491, now seen corresponding path program 1 times
[2020-07-20 11:37:47,426 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:47,426 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277180856]
[2020-07-20 11:37:47,427 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:47,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:47,540 INFO  L263         TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:47,546 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:47,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 307 backedges. 276 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2020-07-20 11:37:47,671 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:37:47,785 INFO  L134       CoverageAnalysis]: Checked inductivity of 307 backedges. 158 proven. 72 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.
[2020-07-20 11:37:47,785 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277180856]
[2020-07-20 11:37:47,786 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:37:47,786 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 11:37:47,786 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705414034]
[2020-07-20 11:37:47,787 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 11:37:47,787 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:47,787 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 11:37:47,788 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 11:37:47,788 INFO  L87              Difference]: Start difference. First operand 2074 states and 2492 transitions. Second operand 6 states.
[2020-07-20 11:37:48,892 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:48,893 INFO  L93              Difference]: Finished difference Result 5346 states and 6558 transitions.
[2020-07-20 11:37:48,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 11:37:48,898 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 312
[2020-07-20 11:37:48,898 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:48,910 INFO  L225             Difference]: With dead ends: 5346
[2020-07-20 11:37:48,910 INFO  L226             Difference]: Without dead ends: 2110
[2020-07-20 11:37:48,920 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 620 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-20 11:37:48,922 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2110 states.
[2020-07-20 11:37:48,964 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2110 to 1192.
[2020-07-20 11:37:48,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1192 states.
[2020-07-20 11:37:48,967 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1349 transitions.
[2020-07-20 11:37:48,967 INFO  L78                 Accepts]: Start accepts. Automaton has 1192 states and 1349 transitions. Word has length 312
[2020-07-20 11:37:48,968 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:48,968 INFO  L479      AbstractCegarLoop]: Abstraction has 1192 states and 1349 transitions.
[2020-07-20 11:37:48,968 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 11:37:48,968 INFO  L276                IsEmpty]: Start isEmpty. Operand 1192 states and 1349 transitions.
[2020-07-20 11:37:48,975 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 349
[2020-07-20 11:37:48,976 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:48,976 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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]
[2020-07-20 11:37:49,192 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:49,193 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:49,193 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:49,193 INFO  L82        PathProgramCache]: Analyzing trace with hash -1000768387, now seen corresponding path program 1 times
[2020-07-20 11:37:49,194 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:49,194 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359081548]
[2020-07-20 11:37:49,195 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:49,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:49,302 INFO  L263         TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:49,307 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:49,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 343 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2020-07-20 11:37:49,482 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 11:37:49,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 343 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2020-07-20 11:37:49,814 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359081548]
[2020-07-20 11:37:49,814 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 11:37:49,815 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 11:37:49,815 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834026315]
[2020-07-20 11:37:49,817 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 11:37:49,817 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:49,817 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 11:37:49,818 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2020-07-20 11:37:49,818 INFO  L87              Difference]: Start difference. First operand 1192 states and 1349 transitions. Second operand 7 states.
[2020-07-20 11:37:51,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:51,493 INFO  L93              Difference]: Finished difference Result 3852 states and 4550 transitions.
[2020-07-20 11:37:51,499 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-07-20 11:37:51,499 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 348
[2020-07-20 11:37:51,500 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:51,511 INFO  L225             Difference]: With dead ends: 3852
[2020-07-20 11:37:51,511 INFO  L226             Difference]: Without dead ends: 2666
[2020-07-20 11:37:51,515 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 693 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110
[2020-07-20 11:37:51,518 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2666 states.
[2020-07-20 11:37:51,574 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2646.
[2020-07-20 11:37:51,575 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2646 states.
[2020-07-20 11:37:51,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3035 transitions.
[2020-07-20 11:37:51,580 INFO  L78                 Accepts]: Start accepts. Automaton has 2646 states and 3035 transitions. Word has length 348
[2020-07-20 11:37:51,581 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:51,581 INFO  L479      AbstractCegarLoop]: Abstraction has 2646 states and 3035 transitions.
[2020-07-20 11:37:51,581 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 11:37:51,582 INFO  L276                IsEmpty]: Start isEmpty. Operand 2646 states and 3035 transitions.
[2020-07-20 11:37:51,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 401
[2020-07-20 11:37:51,593 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 11:37:51,594 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 11:37:51,808 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:51,809 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 11:37:51,809 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 11:37:51,810 INFO  L82        PathProgramCache]: Analyzing trace with hash -1469145691, now seen corresponding path program 1 times
[2020-07-20 11:37:51,811 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 11:37:51,811 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813771921]
[2020-07-20 11:37:51,811 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:51,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-20 11:37:51,938 INFO  L263         TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 11:37:51,942 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 11:37:52,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 414 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked.
[2020-07-20 11:37:52,095 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 11:37:52,095 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813771921]
[2020-07-20 11:37:52,095 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 11:37:52,095 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 11:37:52,096 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844610757]
[2020-07-20 11:37:52,096 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 11:37:52,096 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 11:37:52,097 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 11:37:52,097 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:52,097 INFO  L87              Difference]: Start difference. First operand 2646 states and 3035 transitions. Second operand 3 states.
[2020-07-20 11:37:52,578 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 11:37:52,578 INFO  L93              Difference]: Finished difference Result 2646 states and 3035 transitions.
[2020-07-20 11:37:52,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 11:37:52,579 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 400
[2020-07-20 11:37:52,580 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 11:37:52,580 INFO  L225             Difference]: With dead ends: 2646
[2020-07-20 11:37:52,580 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 11:37:52,591 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 11:37:52,592 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 11:37:52,592 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 11:37:52,592 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 11:37:52,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 11:37:52,593 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400
[2020-07-20 11:37:52,593 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 11:37:52,593 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 11:37:52,593 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 11:37:52,593 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 11:37:52,594 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 11:37:52,807 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 11:37:52,811 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 11:37:53,269 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99
[2020-07-20 11:37:53,403 WARN  L193               SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99
[2020-07-20 11:37:54,158 WARN  L193               SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 48
[2020-07-20 11:37:54,651 WARN  L193               SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32
[2020-07-20 11:37:55,098 WARN  L193               SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32
[2020-07-20 11:37:55,102 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 11:37:55,103 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|))
[2020-07-20 11:37:55,103 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 11:37:55,103 INFO  L268        CegarLoopResult]: For program point  L465(lines 465 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,103 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO  L268        CegarLoopResult]: For program point  L168-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO  L268        CegarLoopResult]: For program point  L135-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO  L268        CegarLoopResult]: For program point  L69-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO  L268        CegarLoopResult]: For program point  L36-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO  L268        CegarLoopResult]: For program point  L499(lines 499 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,104 INFO  L268        CegarLoopResult]: For program point  L301(lines 301 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L103(line 103)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,105 INFO  L268        CegarLoopResult]: For program point  L236(lines 236 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L171-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L72-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L39-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L436(lines 436 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L403(lines 403 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,106 INFO  L268        CegarLoopResult]: For program point  L370(lines 370 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L271(lines 271 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L73(line 73)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L569(lines 569 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,107 INFO  L268        CegarLoopResult]: For program point  L504(lines 504 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO  L268        CegarLoopResult]: For program point  L471(lines 471 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91)  no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO  L268        CegarLoopResult]: For program point  L174-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO  L268        CegarLoopResult]: For program point  L141-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO  L268        CegarLoopResult]: For program point  L108-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,108 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L42-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L340(lines 340 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L43(line 43)  no Hoare annotation was computed.
[2020-07-20 11:37:55,109 INFO  L268        CegarLoopResult]: For program point  L540(lines 540 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L210(lines 210 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L111-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L45-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,110 INFO  L268        CegarLoopResult]: For program point  L442(lines 442 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L277(lines 277 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L244(lines 244 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L178(line 178)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-07-20 11:37:55,111 INFO  L268        CegarLoopResult]: For program point  L509(lines 509 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L476(lines 476 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L147-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L81-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,112 INFO  L268        CegarLoopResult]: For program point  L48-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,113 INFO  L268        CegarLoopResult]: For program point  L249(lines 249 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  L183-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  L150-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  L84-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,114 INFO  L268        CegarLoopResult]: For program point  L514(lines 514 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L481(lines 481 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-20 11:37:55,115 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L548(lines 548 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L383(lines 383 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L351(lines 351 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L153-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L120-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,116 INFO  L268        CegarLoopResult]: For program point  L87-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L21(lines 21 23)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L21-2(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L517(lines 517 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L220(lines 220 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-20 11:37:55,117 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L419(lines 419 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L254(lines 254 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,118 INFO  L268        CegarLoopResult]: For program point  L156-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L57-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L24-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L487(lines 487 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-07-20 11:37:55,119 INFO  L268        CegarLoopResult]: For program point  L554(lines 554 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 20 574)  the Hoare annotation is:  (let ((.cse5 (<= ~a10~0 |old(~a10~0)|)) (.cse2 (<= |old(~a1~0)| ~a1~0)) (.cse6 (<= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (and .cse5 .cse2 .cse6)) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse1 (not (<= 1 |old(~a10~0)|))) (.cse4 (not (<= |old(~a10~0)| 2)))) (and (or (not (<= |old(~a19~0)| 6)) .cse0) (or .cse1 .cse2 .cse3 .cse4) (or (not (<= 23 |old(~a1~0)|)) .cse3 .cse0) (or (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) .cse5 .cse2 .cse6) .cse4) (or (and .cse5 .cse2 .cse6 (<= 2 ~a10~0)) .cse3 (not (<= 2 |old(~a10~0)|))) (or .cse1 (and .cse5 .cse6) .cse3 .cse4) (or .cse1 (<= 1 ~a10~0) .cse4))))
[2020-07-20 11:37:55,120 INFO  L268        CegarLoopResult]: For program point  L357(lines 357 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,120 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L159-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L126-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L93-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L60-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L27-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L523(lines 523 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 11:37:55,121 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L61(line 61)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L557(lines 557 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L425(lines 425 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L326(lines 326 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L393(lines 393 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,122 INFO  L268        CegarLoopResult]: For program point  L360(lines 360 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L195-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L162-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L96-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L63-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L30-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L526(lines 526 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L493(lines 493 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 11:37:55,123 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L296(lines 296 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,124 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L99-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L33-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L529(lines 529 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L430(lines 430 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,125 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L100(line 100)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,126 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 572)  no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 9 ~a19~0) (<= 23 ~a1~0))
[2020-07-20 11:37:55,127 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 11:37:55,127 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 11:37:55,127 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 576 592)  the Hoare annotation is:  (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a10~0 |old(~a10~0)|) (<= |old(~a1~0)| ~a1~0) (<= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)))
[2020-07-20 11:37:55,127 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 11:37:55,128 INFO  L264        CegarLoopResult]: At program point  L590(line 590)  the Hoare annotation is:  (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= 23 ~a1~0)) (and (<= 1 ~a10~0) .cse1) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= 2 ~a10~0)) (and (<= 9 ~a19~0) .cse1)))
[2020-07-20 11:37:55,128 INFO  L268        CegarLoopResult]: For program point  L590-1(line 590)  no Hoare annotation was computed.
[2020-07-20 11:37:55,128 INFO  L268        CegarLoopResult]: For program point  L587(line 587)  no Hoare annotation was computed.
[2020-07-20 11:37:55,128 INFO  L264        CegarLoopResult]: At program point  L582-2(lines 582 591)  the Hoare annotation is:  (let ((.cse0 (<= ~a19~0 9)) (.cse1 (<= ~a10~0 2))) (or (not (<= 23 |old(~a1~0)|)) (and .cse0 (<= 23 ~a1~0)) (and (<= 1 ~a10~0) .cse1) (<= ~a19~0 6) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and .cse0 (<= 2 ~a10~0)) (and (<= 9 ~a19~0) .cse1)))
[2020-07-20 11:37:55,128 INFO  L268        CegarLoopResult]: For program point  L582-3(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 11:37:55,151 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:37:55 BoogieIcfgContainer
[2020-07-20 11:37:55,152 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 11:37:55,159 INFO  L168              Benchmark]: Toolchain (without parser) took 20145.74 ms. Allocated memory was 144.2 MB in the beginning and 534.2 MB in the end (delta: 390.1 MB). Free memory was 100.4 MB in the beginning and 341.0 MB in the end (delta: -240.6 MB). Peak memory consumption was 361.0 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,161 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 144.2 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,162 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 769.15 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.1 MB in the beginning and 170.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,162 INFO  L168              Benchmark]: Boogie Preprocessor took 132.05 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,163 INFO  L168              Benchmark]: RCFGBuilder took 1473.20 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.3 MB in the beginning and 180.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,168 INFO  L168              Benchmark]: TraceAbstraction took 17765.04 ms. Allocated memory was 234.9 MB in the beginning and 534.2 MB in the end (delta: 299.4 MB). Free memory was 180.5 MB in the beginning and 341.0 MB in the end (delta: -160.5 MB). Peak memory consumption was 350.4 MB. Max. memory is 7.1 GB.
[2020-07-20 11:37:55,176 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32 ms. Allocated memory is still 144.2 MB. Free memory is still 120.3 MB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 769.15 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 100.1 MB in the beginning and 170.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 132.05 ms. Allocated memory is still 203.9 MB. Free memory was 170.2 MB in the beginning and 165.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1473.20 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.3 MB in the beginning and 180.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 17765.04 ms. Allocated memory was 234.9 MB in the beginning and 534.2 MB in the end (delta: 299.4 MB). Free memory was 180.5 MB in the beginning and 341.0 MB in the end (delta: -160.5 MB). Peak memory consumption was 350.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 91]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 582]: Loop Invariant
    Derived loop invariant: (((((((!(23 <= \old(a1)) || (a19 <= 9 && 23 <= a1)) || (1 <= a10 && a10 <= 2)) || a19 <= 6) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(\old(a19) <= 9)) || (a19 <= 9 && 2 <= a10)) || (9 <= a19 && a10 <= 2)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 790 SDtfs, 2848 SDslu, 264 SDs, 0 SdLazy, 5918 SolverSat, 1179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2886 GetRequests, 2841 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2646occurred 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 2132 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 91 PreInvPairs, 143 NumberOfFragments, 277 HoareAnnotationTreeSize, 91 FomulaSimplifications, 9724 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6102 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2024 NumberOfCodeBlocks, 2024 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2858 ConstructedInterpolants, 0 QuantifiedInterpolants, 1519756 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3687 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 2232/2314 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...