/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 17:30:40,722 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 17:30:40,725 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 17:30:40,737 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 17:30:40,737 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 17:30:40,738 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 17:30:40,739 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-07-20 17:30:40,743 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 17:30:40,743 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2020-07-20 17:30:40,746 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 17:30:40,747 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 17:30:40,748 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 17:30:40,749 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 17:30:40,750 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 17:30:40,750 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 17:30:40,752 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 17:30:40,754 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 17:30:40,755 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 17:30:40,756 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 17:30:40,757 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 17:30:40,758 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 17:30:40,760 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-07-20 17:30:40,761 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 17:30:40,762 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 17:30:40,762 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 17:30:40,763 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 17:30:40,763 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 17:30:40,764 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2020-07-20 17:30:40,766 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 17:30:40,767 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 17:30:40,767 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-07-20 17:30:40,768 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-20 17:30:40,772 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 17:30:40,773 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 17:30:40,786 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 17:30:40,787 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 17:30:40,788 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 17:30:40,788 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 17:30:40,788 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 17:30:40,788 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 17:30:40,789 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 17:30:40,789 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 17:30:40,789 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 17:30:40,789 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 17:30:40,789 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 17:30:40,790 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 17:30:40,790 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 17:30:40,790 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 17:30:40,790 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 17:30:40,790 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 17:30:40,791 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 17:30:40,791 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 17:30:40,791 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 17:30:40,791 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 17:30:40,791 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 17:30:40,791 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:30:40,792 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 17:30:40,792 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 17:30:40,792 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 17:30:40,792 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 17:30:40,792 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:30:40,793 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 17:30:40,793 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 17:30:40,793 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 -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 17:30:41,079 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 17:30:41,092 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 17:30:41,095 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 17:30:41,097 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 17:30:41,097 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 17:30:41,098 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c
[2020-07-20 17:30:41,171 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc1d74f5/c2cc1ff927c04875a7944ee3599343f6/FLAG38a4b9676
[2020-07-20 17:30:41,761 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 17:30:41,762 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c
[2020-07-20 17:30:41,784 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc1d74f5/c2cc1ff927c04875a7944ee3599343f6/FLAG38a4b9676
[2020-07-20 17:30:41,987 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc1d74f5/c2cc1ff927c04875a7944ee3599343f6
[2020-07-20 17:30:41,998 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 17:30:42,001 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 17:30:42,003 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 17:30:42,003 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 17:30:42,006 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 17:30:42,007 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:41" (1/1) ...
[2020-07-20 17:30:42,010 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a744c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42, skipping insertion in model container
[2020-07-20 17:30:42,011 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:30:41" (1/1) ...
[2020-07-20 17:30:42,018 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 17:30:42,088 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 17:30:42,666 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:30:42,672 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 17:30:42,801 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:30:42,817 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 17:30:42,817 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42 WrapperNode
[2020-07-20 17:30:42,817 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 17:30:42,818 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 17:30:42,818 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 17:30:42,819 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 17:30:42,833 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (1/1) ...
[2020-07-20 17:30:42,834 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (1/1) ...
[2020-07-20 17:30:42,853 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (1/1) ...
[2020-07-20 17:30:42,853 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (1/1) ...
[2020-07-20 17:30:42,889 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (1/1) ...
[2020-07-20 17:30:42,905 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (1/1) ...
[2020-07-20 17:30:42,911 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (1/1) ...
[2020-07-20 17:30:42,919 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 17:30:42,920 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 17:30:42,920 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 17:30:42,920 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 17:30:42,921 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (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 17:30:43,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 17:30:43,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 17:30:43,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 17:30:43,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 17:30:43,013 INFO  L130     BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 17:30:43,013 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 17:30:43,013 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 17:30:43,014 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 17:30:43,014 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 17:30:43,014 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 17:30:43,015 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 17:30:44,263 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 17:30:44,263 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 17:30:44,270 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:44 BoogieIcfgContainer
[2020-07-20 17:30:44,270 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 17:30:44,271 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 17:30:44,272 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 17:30:44,275 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 17:30:44,275 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:30:41" (1/3) ...
[2020-07-20 17:30:44,276 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e86620e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:44, skipping insertion in model container
[2020-07-20 17:30:44,276 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:30:42" (2/3) ...
[2020-07-20 17:30:44,277 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e86620e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:30:44, skipping insertion in model container
[2020-07-20 17:30:44,277 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:30:44" (3/3) ...
[2020-07-20 17:30:44,279 INFO  L109   eAbstractionObserver]: Analyzing ICFG Problem10_label44.c
[2020-07-20 17:30:44,289 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 17:30:44,298 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 17:30:44,312 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 17:30:44,339 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 17:30:44,339 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 17:30:44,339 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 17:30:44,340 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 17:30:44,340 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 17:30:44,340 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 17:30:44,340 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 17:30:44,341 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 17:30:44,364 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-20 17:30:44,373 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-07-20 17:30:44,373 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:30:44,374 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:30:44,375 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:30:44,381 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:30:44,381 INFO  L82        PathProgramCache]: Analyzing trace with hash 745509942, now seen corresponding path program 1 times
[2020-07-20 17:30:44,390 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:30:44,391 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059943411]
[2020-07-20 17:30:44,391 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 17:30:44,526 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:30:44,526 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:30:44,529 INFO  L263         TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 17:30:44,537 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:30:44,611 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 17:30:44,611 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:30:44,613 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059943411]
[2020-07-20 17:30:44,614 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:30:44,614 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:30:44,615 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078480682]
[2020-07-20 17:30:44,620 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:30:44,620 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:30:44,639 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:30:44,640 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:30:44,643 INFO  L87              Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-20 17:30:45,668 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:30:45,668 INFO  L93              Difference]: Finished difference Result 571 states and 989 transitions.
[2020-07-20 17:30:45,669 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:30:45,670 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 63
[2020-07-20 17:30:45,671 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:30:45,687 INFO  L225             Difference]: With dead ends: 571
[2020-07-20 17:30:45,687 INFO  L226             Difference]: Without dead ends: 294
[2020-07-20 17:30:45,694 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 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 17:30:45,714 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-20 17:30:45,758 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-20 17:30:45,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-20 17:30:45,762 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions.
[2020-07-20 17:30:45,764 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 63
[2020-07-20 17:30:45,765 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:30:45,765 INFO  L479      AbstractCegarLoop]: Abstraction has 294 states and 391 transitions.
[2020-07-20 17:30:45,765 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:30:45,765 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions.
[2020-07-20 17:30:45,771 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2020-07-20 17:30:45,772 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:30:45,772 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 17:30:45,988 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:30:45,988 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:30:45,989 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:30:45,990 INFO  L82        PathProgramCache]: Analyzing trace with hash -825362990, now seen corresponding path program 1 times
[2020-07-20 17:30:45,990 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:30:45,991 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1756763362]
[2020-07-20 17:30:45,991 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 17:30:46,087 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:30:46,087 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:30:46,089 INFO  L263         TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:30:46,094 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:30:46,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:30:46,137 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:30:46,137 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1756763362]
[2020-07-20 17:30:46,138 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:30:46,138 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:30:46,138 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460432121]
[2020-07-20 17:30:46,140 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:30:46,140 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:30:46,141 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:30:46,141 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:30:46,141 INFO  L87              Difference]: Start difference. First operand 294 states and 391 transitions. Second operand 3 states.
[2020-07-20 17:30:46,811 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:30:46,812 INFO  L93              Difference]: Finished difference Result 725 states and 1001 transitions.
[2020-07-20 17:30:46,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:30:46,813 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 133
[2020-07-20 17:30:46,814 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:30:46,823 INFO  L225             Difference]: With dead ends: 725
[2020-07-20 17:30:46,823 INFO  L226             Difference]: Without dead ends: 437
[2020-07-20 17:30:46,825 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 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 17:30:46,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 437 states.
[2020-07-20 17:30:46,862 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437.
[2020-07-20 17:30:46,862 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 437 states.
[2020-07-20 17:30:46,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 568 transitions.
[2020-07-20 17:30:46,865 INFO  L78                 Accepts]: Start accepts. Automaton has 437 states and 568 transitions. Word has length 133
[2020-07-20 17:30:46,865 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:30:46,866 INFO  L479      AbstractCegarLoop]: Abstraction has 437 states and 568 transitions.
[2020-07-20 17:30:46,866 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:30:46,866 INFO  L276                IsEmpty]: Start isEmpty. Operand 437 states and 568 transitions.
[2020-07-20 17:30:46,869 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-07-20 17:30:46,869 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:30:46,869 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2020-07-20 17:30:47,079 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:30:47,081 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:30:47,081 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:30:47,082 INFO  L82        PathProgramCache]: Analyzing trace with hash -1901765607, now seen corresponding path program 1 times
[2020-07-20 17:30:47,083 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:30:47,084 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [314458866]
[2020-07-20 17:30:47,085 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 17:30:47,167 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:30:47,168 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:30:47,169 INFO  L263         TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-20 17:30:47,174 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:30:47,198 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:30:47,199 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-07-20 17:30:52,308 WARN  L193               SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 25
[2020-07-20 17:30:54,403 INFO  L501       QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-07-20 17:30:54,663 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:30:54,663 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:30:54,723 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:30:54,724 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:30:54,766 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [314458866]
[2020-07-20 17:30:54,767 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-07-20 17:30:54,767 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2020-07-20 17:30:54,767 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54871511]
[2020-07-20 17:30:54,768 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 17:30:54,768 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:30:54,768 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 17:30:54,769 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=36, Unknown=1, NotChecked=0, Total=56
[2020-07-20 17:30:54,769 INFO  L87              Difference]: Start difference. First operand 437 states and 568 transitions. Second operand 6 states.
[2020-07-20 17:36:12,207 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 23
[2020-07-20 17:36:34,737 WARN  L193               SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 29
[2020-07-20 17:39:43,944 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:39:43,945 INFO  L93              Difference]: Finished difference Result 1780 states and 2428 transitions.
[2020-07-20 17:39:43,956 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-07-20 17:39:43,957 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 142
[2020-07-20 17:39:43,958 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:39:43,971 INFO  L225             Difference]: With dead ends: 1780
[2020-07-20 17:39:43,971 INFO  L226             Difference]: Without dead ends: 1349
[2020-07-20 17:39:43,974 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=58, Invalid=97, Unknown=1, NotChecked=0, Total=156
[2020-07-20 17:39:43,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1349 states.
[2020-07-20 17:39:44,042 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1319.
[2020-07-20 17:39:44,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1319 states.
[2020-07-20 17:39:44,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1696 transitions.
[2020-07-20 17:39:44,051 INFO  L78                 Accepts]: Start accepts. Automaton has 1319 states and 1696 transitions. Word has length 142
[2020-07-20 17:39:44,052 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:39:44,052 INFO  L479      AbstractCegarLoop]: Abstraction has 1319 states and 1696 transitions.
[2020-07-20 17:39:44,052 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 17:39:44,052 INFO  L276                IsEmpty]: Start isEmpty. Operand 1319 states and 1696 transitions.
[2020-07-20 17:39:44,059 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2020-07-20 17:39:44,059 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:39:44,059 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:39:44,260 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:39:44,261 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:39:44,261 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:39:44,262 INFO  L82        PathProgramCache]: Analyzing trace with hash -1171294982, now seen corresponding path program 1 times
[2020-07-20 17:39:44,262 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:39:44,263 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905847515]
[2020-07-20 17:39:44,263 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 17:39:44,430 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:39:44,431 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:39:44,433 INFO  L263         TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:39:44,439 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:39:44,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:39:44,504 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:39:44,504 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905847515]
[2020-07-20 17:39:44,504 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:39:44,505 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:39:44,505 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392686274]
[2020-07-20 17:39:44,506 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:39:44,506 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:39:44,507 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:39:44,507 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:39:44,507 INFO  L87              Difference]: Start difference. First operand 1319 states and 1696 transitions. Second operand 3 states.
[2020-07-20 17:39:49,500 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:39:49,500 INFO  L93              Difference]: Finished difference Result 3355 states and 4414 transitions.
[2020-07-20 17:39:49,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:39:49,514 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 185
[2020-07-20 17:39:49,515 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:39:49,529 INFO  L225             Difference]: With dead ends: 3355
[2020-07-20 17:39:49,529 INFO  L226             Difference]: Without dead ends: 1319
[2020-07-20 17:39:49,534 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 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 17:39:49,537 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1319 states.
[2020-07-20 17:39:49,600 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1319.
[2020-07-20 17:39:49,602 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1319 states.
[2020-07-20 17:39:49,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1668 transitions.
[2020-07-20 17:39:49,617 INFO  L78                 Accepts]: Start accepts. Automaton has 1319 states and 1668 transitions. Word has length 185
[2020-07-20 17:39:49,618 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:39:49,618 INFO  L479      AbstractCegarLoop]: Abstraction has 1319 states and 1668 transitions.
[2020-07-20 17:39:49,619 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:39:49,619 INFO  L276                IsEmpty]: Start isEmpty. Operand 1319 states and 1668 transitions.
[2020-07-20 17:39:49,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2020-07-20 17:39:49,627 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:39:49,628 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:39:49,842 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:39:49,843 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:39:49,843 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:39:49,844 INFO  L82        PathProgramCache]: Analyzing trace with hash 726002093, now seen corresponding path program 1 times
[2020-07-20 17:39:49,844 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:39:49,845 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290937551]
[2020-07-20 17:39:49,846 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 17:39:50,008 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:39:50,009 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:39:50,011 INFO  L263         TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:39:50,023 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:39:50,107 INFO  L134       CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:39:50,108 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:39:50,108 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290937551]
[2020-07-20 17:39:50,108 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:39:50,108 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:39:50,109 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475375709]
[2020-07-20 17:39:50,109 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:39:50,110 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:39:50,110 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:39:50,110 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:39:50,110 INFO  L87              Difference]: Start difference. First operand 1319 states and 1668 transitions. Second operand 3 states.
[2020-07-20 17:39:55,787 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:39:55,788 INFO  L93              Difference]: Finished difference Result 2189 states and 2822 transitions.
[2020-07-20 17:39:55,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 17:39:55,804 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 200
[2020-07-20 17:39:55,805 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:39:55,821 INFO  L225             Difference]: With dead ends: 2189
[2020-07-20 17:39:55,822 INFO  L226             Difference]: Without dead ends: 2187
[2020-07-20 17:39:55,824 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 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 17:39:55,828 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2187 states.
[2020-07-20 17:39:55,926 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 1756.
[2020-07-20 17:39:55,927 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1756 states.
[2020-07-20 17:39:55,937 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2286 transitions.
[2020-07-20 17:39:55,938 INFO  L78                 Accepts]: Start accepts. Automaton has 1756 states and 2286 transitions. Word has length 200
[2020-07-20 17:39:55,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:39:55,939 INFO  L479      AbstractCegarLoop]: Abstraction has 1756 states and 2286 transitions.
[2020-07-20 17:39:55,940 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:39:55,940 INFO  L276                IsEmpty]: Start isEmpty. Operand 1756 states and 2286 transitions.
[2020-07-20 17:39:55,947 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 234
[2020-07-20 17:39:55,948 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:39:55,948 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 17:39:56,161 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:39:56,163 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:39:56,163 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:39:56,164 INFO  L82        PathProgramCache]: Analyzing trace with hash -31565570, now seen corresponding path program 1 times
[2020-07-20 17:39:56,164 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:39:56,165 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983679822]
[2020-07-20 17:39:56,165 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 17:39:56,303 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:39:56,304 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:39:56,307 INFO  L263         TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:39:56,313 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:39:56,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 191 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:39:56,492 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:39:57,026 INFO  L134       CoverageAnalysis]: Checked inductivity of 191 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:39:57,028 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983679822]
[2020-07-20 17:39:57,029 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 17:39:57,029 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-20 17:39:57,030 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051167435]
[2020-07-20 17:39:57,032 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 17:39:57,032 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:39:57,033 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 17:39:57,033 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-20 17:39:57,033 INFO  L87              Difference]: Start difference. First operand 1756 states and 2286 transitions. Second operand 6 states.
[2020-07-20 17:40:07,510 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:40:07,510 INFO  L93              Difference]: Finished difference Result 4228 states and 6058 transitions.
[2020-07-20 17:40:07,519 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-07-20 17:40:07,519 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 233
[2020-07-20 17:40:07,520 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:40:07,537 INFO  L225             Difference]: With dead ends: 4228
[2020-07-20 17:40:07,538 INFO  L226             Difference]: Without dead ends: 2478
[2020-07-20 17:40:07,543 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 462 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-20 17:40:07,546 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2478 states.
[2020-07-20 17:40:07,635 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 2074.
[2020-07-20 17:40:07,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2074 states.
[2020-07-20 17:40:07,644 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2622 transitions.
[2020-07-20 17:40:07,645 INFO  L78                 Accepts]: Start accepts. Automaton has 2074 states and 2622 transitions. Word has length 233
[2020-07-20 17:40:07,645 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:40:07,645 INFO  L479      AbstractCegarLoop]: Abstraction has 2074 states and 2622 transitions.
[2020-07-20 17:40:07,645 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 17:40:07,646 INFO  L276                IsEmpty]: Start isEmpty. Operand 2074 states and 2622 transitions.
[2020-07-20 17:40:07,655 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 299
[2020-07-20 17:40:07,655 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 17:40:07,655 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:40:07,868 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:40:07,870 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:40:07,870 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:40:07,870 INFO  L82        PathProgramCache]: Analyzing trace with hash 1481429953, now seen corresponding path program 1 times
[2020-07-20 17:40:07,871 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:40:07,871 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258925387]
[2020-07-20 17:40:07,872 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
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 17:40:08,026 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:40:08,027 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:40:08,030 INFO  L263         TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 13 conjunts are in the unsatisfiable core
[2020-07-20 17:40:08,037 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:40:08,429 WARN  L193               SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19
[2020-07-20 17:40:08,441 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:40:08,441 INFO  L501       QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts
[2020-07-20 17:40:08,771 WARN  L193               SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 21
[2020-07-20 17:40:09,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 387 backedges. 19 proven. 170 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked.
[2020-07-20 17:40:09,269 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:40:09,691 WARN  L193               SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34
[2020-07-20 17:40:09,861 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 34
[2020-07-20 17:40:10,000 WARN  L193               SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 34
[2020-07-20 17:40:10,109 INFO  L501       QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts
[2020-07-20 17:40:10,110 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:40:10,111 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:40:10,112 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:40:10,259 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:40:10,747 WARN  L193               SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30
[2020-07-20 17:40:10,756 INFO  L501       QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts
[2020-07-20 17:40:10,765 INFO  L501       QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:40:11,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 387 backedges. 178 proven. 11 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked.
[2020-07-20 17:40:11,131 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258925387]
[2020-07-20 17:40:11,131 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 17:40:11,131 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9
[2020-07-20 17:40:11,132 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914922559]
[2020-07-20 17:40:11,133 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-07-20 17:40:11,133 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:40:11,133 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-07-20 17:40:11,134 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72
[2020-07-20 17:40:11,134 INFO  L87              Difference]: Start difference. First operand 2074 states and 2622 transitions. Second operand 9 states.
[2020-07-20 17:40:24,767 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:40:24,768 INFO  L93              Difference]: Finished difference Result 4785 states and 6114 transitions.
[2020-07-20 17:40:24,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 17:40:24,778 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 298
[2020-07-20 17:40:24,779 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:40:24,779 INFO  L225             Difference]: With dead ends: 4785
[2020-07-20 17:40:24,780 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 17:40:24,790 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90
[2020-07-20 17:40:24,790 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 17:40:24,791 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 17:40:24,791 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 17:40:24,791 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 17:40:24,791 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298
[2020-07-20 17:40:24,791 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:40:24,791 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 17:40:24,792 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-07-20 17:40:24,792 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 17:40:24,792 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 17:40:25,005 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:40:25,009 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 17:40:25,709 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 15
[2020-07-20 17:40:26,041 WARN  L193               SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27
[2020-07-20 17:40:30,050 WARN  L193               SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 151 DAG size of output: 72
[2020-07-20 17:40:31,013 WARN  L193               SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44
[2020-07-20 17:40:31,943 WARN  L193               SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44
[2020-07-20 17:40:31,950 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:40:31,950 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= |old(~a19~0)| ~a19~0) (<= |old(~a1~0)| ~a1~0))
[2020-07-20 17:40:31,950 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:40:31,950 INFO  L268        CegarLoopResult]: For program point  L465(lines 465 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,951 INFO  L268        CegarLoopResult]: For program point  L201-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,951 INFO  L268        CegarLoopResult]: For program point  L168-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,951 INFO  L268        CegarLoopResult]: For program point  L135-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,951 INFO  L268        CegarLoopResult]: For program point  L102-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,951 INFO  L268        CegarLoopResult]: For program point  L69-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,951 INFO  L268        CegarLoopResult]: For program point  L36-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,951 INFO  L268        CegarLoopResult]: For program point  L499(lines 499 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,952 INFO  L268        CegarLoopResult]: For program point  L301(lines 301 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,952 INFO  L268        CegarLoopResult]: For program point  L202(line 202)  no Hoare annotation was computed.
[2020-07-20 17:40:31,952 INFO  L268        CegarLoopResult]: For program point  L169(line 169)  no Hoare annotation was computed.
[2020-07-20 17:40:31,952 INFO  L268        CegarLoopResult]: For program point  L136(line 136)  no Hoare annotation was computed.
[2020-07-20 17:40:31,953 INFO  L268        CegarLoopResult]: For program point  L103(line 103)  no Hoare annotation was computed.
[2020-07-20 17:40:31,953 INFO  L268        CegarLoopResult]: For program point  L70(line 70)  no Hoare annotation was computed.
[2020-07-20 17:40:31,953 INFO  L268        CegarLoopResult]: For program point  L37(line 37)  no Hoare annotation was computed.
[2020-07-20 17:40:31,953 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,953 INFO  L268        CegarLoopResult]: For program point  L236(lines 236 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,954 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,954 INFO  L268        CegarLoopResult]: For program point  L171-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,954 INFO  L268        CegarLoopResult]: For program point  L138-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,954 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,954 INFO  L268        CegarLoopResult]: For program point  L72-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,954 INFO  L268        CegarLoopResult]: For program point  L39-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,954 INFO  L268        CegarLoopResult]: For program point  L436(lines 436 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,955 INFO  L268        CegarLoopResult]: For program point  L403(lines 403 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,955 INFO  L268        CegarLoopResult]: For program point  L370(lines 370 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,955 INFO  L268        CegarLoopResult]: For program point  L271(lines 271 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,955 INFO  L268        CegarLoopResult]: For program point  L172(line 172)  no Hoare annotation was computed.
[2020-07-20 17:40:31,955 INFO  L268        CegarLoopResult]: For program point  L139(line 139)  no Hoare annotation was computed.
[2020-07-20 17:40:31,955 INFO  L268        CegarLoopResult]: For program point  L106(line 106)  no Hoare annotation was computed.
[2020-07-20 17:40:31,956 INFO  L268        CegarLoopResult]: For program point  L73(line 73)  no Hoare annotation was computed.
[2020-07-20 17:40:31,956 INFO  L268        CegarLoopResult]: For program point  L40(line 40)  no Hoare annotation was computed.
[2020-07-20 17:40:31,956 INFO  L268        CegarLoopResult]: For program point  L569(lines 569 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,956 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,956 INFO  L268        CegarLoopResult]: For program point  L504(lines 504 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,956 INFO  L268        CegarLoopResult]: For program point  L471(lines 471 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,957 INFO  L268        CegarLoopResult]: For program point  calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175)  no Hoare annotation was computed.
[2020-07-20 17:40:31,957 INFO  L268        CegarLoopResult]: For program point  L306(lines 306 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,957 INFO  L268        CegarLoopResult]: For program point  L174-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,957 INFO  L268        CegarLoopResult]: For program point  L141-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,957 INFO  L268        CegarLoopResult]: For program point  L108-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,957 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,957 INFO  L268        CegarLoopResult]: For program point  L42-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,958 INFO  L268        CegarLoopResult]: For program point  L340(lines 340 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,958 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 17:40:31,958 INFO  L268        CegarLoopResult]: For program point  L142(line 142)  no Hoare annotation was computed.
[2020-07-20 17:40:31,958 INFO  L268        CegarLoopResult]: For program point  L109(line 109)  no Hoare annotation was computed.
[2020-07-20 17:40:31,958 INFO  L268        CegarLoopResult]: For program point  L76(line 76)  no Hoare annotation was computed.
[2020-07-20 17:40:31,958 INFO  L268        CegarLoopResult]: For program point  L43(line 43)  no Hoare annotation was computed.
[2020-07-20 17:40:31,958 INFO  L268        CegarLoopResult]: For program point  L540(lines 540 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,959 INFO  L268        CegarLoopResult]: For program point  L408(lines 408 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,959 INFO  L268        CegarLoopResult]: For program point  L375(lines 375 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,959 INFO  L268        CegarLoopResult]: For program point  L210(lines 210 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,959 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,959 INFO  L268        CegarLoopResult]: For program point  L144-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,959 INFO  L268        CegarLoopResult]: For program point  L111-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,959 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,960 INFO  L268        CegarLoopResult]: For program point  L45-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,960 INFO  L268        CegarLoopResult]: For program point  L442(lines 442 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,960 INFO  L268        CegarLoopResult]: For program point  L277(lines 277 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,960 INFO  L268        CegarLoopResult]: For program point  L244(lines 244 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,960 INFO  L268        CegarLoopResult]: For program point  L178(line 178)  no Hoare annotation was computed.
[2020-07-20 17:40:31,960 INFO  L268        CegarLoopResult]: For program point  L145(line 145)  no Hoare annotation was computed.
[2020-07-20 17:40:31,960 INFO  L268        CegarLoopResult]: For program point  L112(line 112)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L79(line 79)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L46(line 46)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L509(lines 509 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L476(lines 476 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L378(lines 378 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L345(lines 345 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L312(lines 312 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,961 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L147-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L114-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L81-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L48-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L181(line 181)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L148(line 148)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L115(line 115)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-07-20 17:40:31,962 INFO  L268        CegarLoopResult]: For program point  L545(lines 545 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L215(lines 215 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L249(lines 249 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L183-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L150-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L84-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L51-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  calculate_outputFINAL(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  calculate_outputEXIT(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L514(lines 514 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L481(lines 481 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,963 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L283(lines 283 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L184(line 184)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L52(line 52)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L548(lines 548 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L383(lines 383 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L317(lines 317 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L351(lines 351 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L186-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,964 INFO  L268        CegarLoopResult]: For program point  L153-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,965 INFO  L268        CegarLoopResult]: For program point  L120-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,965 INFO  L268        CegarLoopResult]: For program point  L87-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,965 INFO  L268        CegarLoopResult]: For program point  L21(lines 21 23)  no Hoare annotation was computed.
[2020-07-20 17:40:31,965 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,965 INFO  L268        CegarLoopResult]: For program point  L21-2(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,965 INFO  L268        CegarLoopResult]: For program point  L517(lines 517 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,965 INFO  L268        CegarLoopResult]: For program point  L286(lines 286 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L220(lines 220 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L187(line 187)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L121(line 121)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L22(line 22)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L419(lines 419 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L320(lines 320 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L254(lines 254 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L354(lines 354 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,966 INFO  L268        CegarLoopResult]: For program point  L189-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L156-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L90-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L57-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L24-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L487(lines 487 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L454(lines 454 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L388(lines 388 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L190(line 190)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-07-20 17:40:31,967 INFO  L268        CegarLoopResult]: For program point  L58(line 58)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L25(line 25)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L554(lines 554 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L264        CegarLoopResult]: At program point  calculate_outputENTRY(lines 20 574)  the Hoare annotation is:  (let ((.cse1 (<= ~a10~0 0)) (.cse5 (<= |old(~a19~0)| ~a19~0)) (.cse6 (<= |old(~a1~0)| ~a1~0))) (let ((.cse4 (not (<= 2 |old(~a10~0)|))) (.cse3 (<= 2 ~a10~0)) (.cse8 (not (<= 9 |old(~a19~0)|))) (.cse2 (not (<= |old(~a10~0)| 0))) (.cse10 (and .cse1 .cse5 .cse6)) (.cse7 (not (= 0 ~a12~0))) (.cse9 (not (= 14 ~a4~0))) (.cse0 (not (<= |old(~a19~0)| 7)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or (and (or (not (= 9 ~a19~0)) (< 0 (+ ~a1~0 13)) (not (= 0 ~a10~0))) .cse5 .cse6) (= 0 |old(~a10~0)|) .cse7 .cse8 .cse9) (or .cse7 .cse9 .cse4 (and .cse5 .cse6 .cse3)) (or .cse2 .cse7 .cse8 .cse10 .cse9) (or (not (<= 23 |old(~a1~0)|)) .cse2 .cse7 .cse10 .cse9) (or (and .cse5 .cse6) .cse7 .cse9 (forall ((v_~a1~0_367 Int)) (or (not (= 0 (mod v_~a1~0_367 5))) (not (<= (+ (div v_~a1~0_367 5) 331501) |old(~a1~0)|)) (not (< 0 (+ v_~a1~0_367 13)))))) (or .cse0 (and .cse6 (<= ~a19~0 7))))))
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L357(lines 357 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L291(lines 291 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L225(lines 225 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L192-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,968 INFO  L268        CegarLoopResult]: For program point  L159-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L126-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L93-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L60-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L27-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L523(lines 523 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L127(line 127)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L94(line 94)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L61(line 61)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L28(line 28)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L557(lines 557 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,969 INFO  L268        CegarLoopResult]: For program point  L425(lines 425 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L326(lines 326 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L393(lines 393 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L360(lines 360 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L195-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L162-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L96-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L63-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,970 INFO  L268        CegarLoopResult]: For program point  L30-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L526(lines 526 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L493(lines 493 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L163(line 163)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L130(line 130)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L97(line 97)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L64(line 64)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L329(lines 329 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L296(lines 296 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L231(lines 231 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,971 INFO  L268        CegarLoopResult]: For program point  L165-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L132-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L99-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L33-1(lines 20 574)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L529(lines 529 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L430(lines 430 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L265(lines 265 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L166(line 166)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L133(line 133)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L100(line 100)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L67(line 67)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-07-20 17:40:31,972 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,973 INFO  L268        CegarLoopResult]: For program point  L398(lines 398 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,973 INFO  L268        CegarLoopResult]: For program point  L365(lines 365 572)  no Hoare annotation was computed.
[2020-07-20 17:40:31,973 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 17:40:31,973 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= ~a10~0 0) (= 14 ~a4~0) (<= 9 ~a19~0) (= 0 ~a12~0) (<= 23 ~a1~0))
[2020-07-20 17:40:31,973 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 17:40:31,973 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 17:40:31,973 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 (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 0) (<= |old(~a19~0)| ~a19~0) (<= |old(~a1~0)| ~a1~0)) (not (= 14 ~a4~0)))
[2020-07-20 17:40:31,973 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 17:40:31,973 INFO  L264        CegarLoopResult]: At program point  L590(line 590)  the Hoare annotation is:  (or (not (<= 23 |old(~a1~0)|)) (<= 9 ~a19~0) (exists ((v_~a1~0_367 Int)) (and (= 0 (mod v_~a1~0_367 5)) (<= (+ (div v_~a1~0_367 5) 331501) ~a1~0) (< 0 (+ v_~a1~0_367 13)))) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) (<= 2 ~a10~0) (and (<= ~a10~0 0) (<= 23 ~a1~0)) (<= ~a19~0 7))
[2020-07-20 17:40:31,974 INFO  L268        CegarLoopResult]: For program point  L590-1(line 590)  no Hoare annotation was computed.
[2020-07-20 17:40:31,974 INFO  L268        CegarLoopResult]: For program point  L587(line 587)  no Hoare annotation was computed.
[2020-07-20 17:40:31,974 INFO  L264        CegarLoopResult]: At program point  L582-2(lines 582 591)  the Hoare annotation is:  (or (not (<= 23 |old(~a1~0)|)) (<= 9 ~a19~0) (exists ((v_~a1~0_367 Int)) (and (= 0 (mod v_~a1~0_367 5)) (<= (+ (div v_~a1~0_367 5) 331501) ~a1~0) (< 0 (+ v_~a1~0_367 13)))) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) (<= 2 ~a10~0) (and (<= ~a10~0 0) (<= 23 ~a1~0)) (<= ~a19~0 7))
[2020-07-20 17:40:31,974 INFO  L268        CegarLoopResult]: For program point  L582-3(lines 576 592)  no Hoare annotation was computed.
[2020-07-20 17:40:31,987 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:31,989 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:31,989 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:31,998 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:31,998 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:31,998 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:32,002 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:40:32 BoogieIcfgContainer
[2020-07-20 17:40:32,002 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 17:40:32,004 INFO  L168              Benchmark]: Toolchain (without parser) took 590004.47 ms. Allocated memory was 145.2 MB in the beginning and 337.6 MB in the end (delta: 192.4 MB). Free memory was 102.0 MB in the beginning and 217.4 MB in the end (delta: -115.4 MB). Peak memory consumption was 219.5 MB. Max. memory is 7.1 GB.
[2020-07-20 17:40:32,005 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 17:40:32,006 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 815.40 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 171.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB.
[2020-07-20 17:40:32,007 INFO  L168              Benchmark]: Boogie Preprocessor took 101.19 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
[2020-07-20 17:40:32,008 INFO  L168              Benchmark]: RCFGBuilder took 1350.12 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 181.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:40:32,009 INFO  L168              Benchmark]: TraceAbstraction took 587731.09 ms. Allocated memory was 237.5 MB in the beginning and 337.6 MB in the end (delta: 100.1 MB). Free memory was 181.4 MB in the beginning and 217.4 MB in the end (delta: -36.0 MB). Peak memory consumption was 206.6 MB. Max. memory is 7.1 GB.
[2020-07-20 17:40:32,013 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 815.40 ms. Allocated memory was 145.2 MB in the beginning and 205.0 MB in the end (delta: 59.8 MB). Free memory was 101.6 MB in the beginning and 171.1 MB in the end (delta: -69.5 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 101.19 ms. Allocated memory is still 205.0 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1350.12 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 181.4 MB in the end (delta: -15.3 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 587731.09 ms. Allocated memory was 237.5 MB in the beginning and 337.6 MB in the end (delta: 100.1 MB). Free memory was 181.4 MB in the beginning and 217.4 MB in the end (delta: -36.0 MB). Peak memory consumption was 206.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
  - GenericResult: Unfinished Backtranslation
    Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 175]: 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
[2020-07-20 17:40:32,023 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:32,024 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:32,024 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:32,025 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:32,025 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
[2020-07-20 17:40:32,025 WARN  L417   cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_367,QUANTIFIED]
    Derived loop invariant: ((((((((!(23 <= \old(a1)) || 9 <= a19) || (\exists v_~a1~0_367 : int :: (0 == v_~a1~0_367 % 5 && v_~a1~0_367 / 5 + 331501 <= a1) && 0 < v_~a1~0_367 + 13)) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(0 == a12)) || !(14 == a4)) || 2 <= a10) || (a10 <= 0 && 23 <= a1)) || a19 <= 7
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 580.6s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 565.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 672 SDtfs, 1862 SDslu, 183 SDs, 0 SdLazy, 4572 SolverSat, 1002 SolverUnsat, 231 SolverUnknown, 0 SolverNotchecked, 527.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1850 GetRequests, 1817 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2074occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 865 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 71 PreInvPairs, 119 NumberOfFragments, 356 HoareAnnotationTreeSize, 71 FomulaSimplifications, 4404 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2012 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 1254 NumberOfCodeBlocks, 1254 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1776 ConstructedInterpolants, 118 QuantifiedInterpolants, 1752392 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2291 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 1142/1380 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...