/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 DAGSIZE --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/Problem01_label10.c
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This is Ultimate 0.1.25-d623d84
[2020-07-20 21:59:41,352 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 21:59:41,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 21:59:41,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 21:59:41,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 21:59:41,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 21:59:41,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 21:59:41,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 21:59:41,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 21:59:41,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 21:59:41,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 21:59:41,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 21:59:41,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 21:59:41,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 21:59:41,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 21:59:41,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 21:59:41,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 21:59:41,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 21:59:41,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 21:59:41,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 21:59:41,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 21:59:41,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 21:59:41,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 21:59:41,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 21:59:41,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 21:59:41,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 21:59:41,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 21:59:41,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 21:59:41,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 21:59:41,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 21:59:41,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 21:59:41,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 21:59:41,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 21:59:41,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 21:59:41,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 21:59:41,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 21:59:41,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 21:59:41,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 21:59:41,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 21:59:41,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 21:59:41,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 21:59:41,439 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 21:59:41,470 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 21:59:41,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 21:59:41,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 21:59:41,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 21:59:41,472 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 21:59:41,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 21:59:41,472 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 21:59:41,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 21:59:41,477 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 21:59:41,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 21:59:41,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 21:59:41,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 21:59:41,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 21:59:41,478 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 21:59:41,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 21:59:41,479 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 21:59:41,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 21:59:41,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 21:59:41,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 21:59:41,480 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 21:59:41,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 21:59:41,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 21:59:41,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 21:59:41,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 21:59:41,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 21:59:41,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 21:59:41,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:41,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 21:59:41,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 21:59:41,482 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 -> DAGSIZE
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 21:59:41,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 21:59:41,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 21:59:41,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 21:59:41,786 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 21:59:41,787 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 21:59:41,788 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label10.c
[2020-07-20 21:59:41,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5db61a9/6d78931376514702bd82b62c9a0fc0ab/FLAGdfee686a0
[2020-07-20 21:59:42,442 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 21:59:42,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label10.c
[2020-07-20 21:59:42,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5db61a9/6d78931376514702bd82b62c9a0fc0ab/FLAGdfee686a0
[2020-07-20 21:59:42,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5db61a9/6d78931376514702bd82b62c9a0fc0ab
[2020-07-20 21:59:42,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 21:59:42,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 21:59:42,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 21:59:42,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 21:59:42,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 21:59:42,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:59:42" (1/1) ...
[2020-07-20 21:59:42,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65940f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:42, skipping insertion in model container
[2020-07-20 21:59:42,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:59:42" (1/1) ...
[2020-07-20 21:59:42,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 21:59:42,806 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 21:59:43,220 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 21:59:43,225 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 21:59:43,485 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 21:59:43,509 INFO L208 MainTranslator]: Completed translation
[2020-07-20 21:59:43,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43 WrapperNode
[2020-07-20 21:59:43,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 21:59:43,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 21:59:43,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 21:59:43,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 21:59:43,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (1/1) ...
[2020-07-20 21:59:43,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (1/1) ...
[2020-07-20 21:59:43,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (1/1) ...
[2020-07-20 21:59:43,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (1/1) ...
[2020-07-20 21:59:43,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (1/1) ...
[2020-07-20 21:59:43,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (1/1) ...
[2020-07-20 21:59:43,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (1/1) ...
[2020-07-20 21:59:43,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 21:59:43,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 21:59:43,689 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 21:59:43,689 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 21:59:43,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (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 21:59:43,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 21:59:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 21:59:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 21:59:43,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 21:59:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 21:59:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 21:59:43,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 21:59:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 21:59:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 21:59:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 21:59:43,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 21:59:45,002 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 21:59:45,003 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 21:59:45,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:59:45 BoogieIcfgContainer
[2020-07-20 21:59:45,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 21:59:45,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 21:59:45,011 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 21:59:45,014 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 21:59:45,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:59:42" (1/3) ...
[2020-07-20 21:59:45,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187b4613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:59:45, skipping insertion in model container
[2020-07-20 21:59:45,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:59:43" (2/3) ...
[2020-07-20 21:59:45,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187b4613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:59:45, skipping insertion in model container
[2020-07-20 21:59:45,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:59:45" (3/3) ...
[2020-07-20 21:59:45,018 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label10.c
[2020-07-20 21:59:45,029 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 21:59:45,038 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 21:59:45,053 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 21:59:45,079 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 21:59:45,079 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 21:59:45,079 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 21:59:45,079 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 21:59:45,080 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 21:59:45,080 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 21:59:45,080 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 21:59:45,080 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 21:59:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states.
[2020-07-20 21:59:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2020-07-20 21:59:45,117 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:59:45,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 21:59:45,118 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:59:45,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:59:45,125 INFO L82 PathProgramCache]: Analyzing trace with hash 262180542, now seen corresponding path program 1 times
[2020-07-20 21:59:45,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:59:45,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032323517]
[2020-07-20 21:59:45,135 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 21:59:45,334 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:59:45,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:59:45,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 21:59:45,348 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:59:45,456 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 21:59:45,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:59:45,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032323517]
[2020-07-20 21:59:45,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:59:45,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 21:59:45,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518781089]
[2020-07-20 21:59:45,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 21:59:45,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:59:45,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 21:59:45,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 21:59:45,487 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states.
[2020-07-20 21:59:46,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:59:46,439 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions.
[2020-07-20 21:59:46,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 21:59:46,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116
[2020-07-20 21:59:46,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:59:46,457 INFO L225 Difference]: With dead ends: 572
[2020-07-20 21:59:46,458 INFO L226 Difference]: Without dead ends: 278
[2020-07-20 21:59:46,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 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 21:59:46,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states.
[2020-07-20 21:59:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278.
[2020-07-20 21:59:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states.
[2020-07-20 21:59:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions.
[2020-07-20 21:59:46,533 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 116
[2020-07-20 21:59:46,534 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:59:46,534 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions.
[2020-07-20 21:59:46,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 21:59:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions.
[2020-07-20 21:59:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2020-07-20 21:59:46,539 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:59:46,539 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 21:59:46,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:46,753 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:59:46,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:59:46,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1657089323, now seen corresponding path program 1 times
[2020-07-20 21:59:46,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:59:46,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244191957]
[2020-07-20 21:59:46,756 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 21:59:46,897 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:59:46,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:59:46,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 21:59:46,915 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:59:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:59:46,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:59:46,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244191957]
[2020-07-20 21:59:46,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:59:46,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 21:59:46,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734719555]
[2020-07-20 21:59:46,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 21:59:46,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:59:46,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 21:59:46,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 21:59:46,980 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 3 states.
[2020-07-20 21:59:47,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:59:47,545 INFO L93 Difference]: Finished difference Result 820 states and 1181 transitions.
[2020-07-20 21:59:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 21:59:47,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126
[2020-07-20 21:59:47,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:59:47,558 INFO L225 Difference]: With dead ends: 820
[2020-07-20 21:59:47,558 INFO L226 Difference]: Without dead ends: 548
[2020-07-20 21:59:47,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 21:59:47,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states.
[2020-07-20 21:59:47,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 548.
[2020-07-20 21:59:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states.
[2020-07-20 21:59:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 734 transitions.
[2020-07-20 21:59:47,605 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 734 transitions. Word has length 126
[2020-07-20 21:59:47,606 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:59:47,606 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 734 transitions.
[2020-07-20 21:59:47,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 21:59:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 734 transitions.
[2020-07-20 21:59:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2020-07-20 21:59:47,611 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:59:47,611 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 21:59:47,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:47,825 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:59:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:59:47,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1783497359, now seen corresponding path program 1 times
[2020-07-20 21:59:47,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:59:47,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113827226]
[2020-07-20 21:59:47,829 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 21:59:47,996 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:59:47,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:59:48,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 21:59:48,012 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:59:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:59:48,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:59:48,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113827226]
[2020-07-20 21:59:48,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:59:48,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 21:59:48,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594571959]
[2020-07-20 21:59:48,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 21:59:48,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:59:48,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 21:59:48,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 21:59:48,100 INFO L87 Difference]: Start difference. First operand 548 states and 734 transitions. Second operand 3 states.
[2020-07-20 21:59:48,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:59:48,629 INFO L93 Difference]: Finished difference Result 1360 states and 1853 transitions.
[2020-07-20 21:59:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 21:59:48,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131
[2020-07-20 21:59:48,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:59:48,635 INFO L225 Difference]: With dead ends: 1360
[2020-07-20 21:59:48,636 INFO L226 Difference]: Without dead ends: 818
[2020-07-20 21:59:48,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 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 21:59:48,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states.
[2020-07-20 21:59:48,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 818.
[2020-07-20 21:59:48,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states.
[2020-07-20 21:59:48,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1060 transitions.
[2020-07-20 21:59:48,688 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1060 transitions. Word has length 131
[2020-07-20 21:59:48,689 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:59:48,689 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 1060 transitions.
[2020-07-20 21:59:48,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 21:59:48,689 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1060 transitions.
[2020-07-20 21:59:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-07-20 21:59:48,695 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:59:48,696 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:48,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:48,910 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:59:48,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:59:48,911 INFO L82 PathProgramCache]: Analyzing trace with hash 750316320, now seen corresponding path program 1 times
[2020-07-20 21:59:48,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:59:48,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342062184]
[2020-07-20 21:59:48,912 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 21:59:49,056 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:59:49,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:59:49,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 21:59:49,061 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:59:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:59:49,103 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 21:59:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:59:49,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342062184]
[2020-07-20 21:59:49,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 21:59:49,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2020-07-20 21:59:49,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44478938]
[2020-07-20 21:59:49,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-07-20 21:59:49,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:59:49,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-07-20 21:59:49,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2020-07-20 21:59:49,191 INFO L87 Difference]: Start difference. First operand 818 states and 1060 transitions. Second operand 8 states.
[2020-07-20 21:59:51,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:59:51,292 INFO L93 Difference]: Finished difference Result 3084 states and 4287 transitions.
[2020-07-20 21:59:51,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-07-20 21:59:51,292 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142
[2020-07-20 21:59:51,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:59:51,312 INFO L225 Difference]: With dead ends: 3084
[2020-07-20 21:59:51,312 INFO L226 Difference]: Without dead ends: 2272
[2020-07-20 21:59:51,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132
[2020-07-20 21:59:51,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states.
[2020-07-20 21:59:51,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2065.
[2020-07-20 21:59:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2065 states.
[2020-07-20 21:59:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2574 transitions.
[2020-07-20 21:59:51,453 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 2574 transitions. Word has length 142
[2020-07-20 21:59:51,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:59:51,454 INFO L479 AbstractCegarLoop]: Abstraction has 2065 states and 2574 transitions.
[2020-07-20 21:59:51,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-07-20 21:59:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2574 transitions.
[2020-07-20 21:59:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2020-07-20 21:59:51,511 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:59:51,511 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 21:59:51,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:51,712 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:59:51,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:59:51,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1394209672, now seen corresponding path program 1 times
[2020-07-20 21:59:51,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:59:51,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035077830]
[2020-07-20 21:59:51,713 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 21:59:51,832 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:59:51,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:59:51,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 21:59:51,838 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:59:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2020-07-20 21:59:51,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:59:51,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035077830]
[2020-07-20 21:59:51,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:59:51,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 21:59:51,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948421898]
[2020-07-20 21:59:51,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 21:59:51,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:59:51,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 21:59:51,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 21:59:51,905 INFO L87 Difference]: Start difference. First operand 2065 states and 2574 transitions. Second operand 5 states.
[2020-07-20 21:59:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:59:52,720 INFO L93 Difference]: Finished difference Result 4710 states and 6033 transitions.
[2020-07-20 21:59:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 21:59:52,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149
[2020-07-20 21:59:52,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:59:52,738 INFO L225 Difference]: With dead ends: 4710
[2020-07-20 21:59:52,739 INFO L226 Difference]: Without dead ends: 2655
[2020-07-20 21:59:52,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2020-07-20 21:59:52,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states.
[2020-07-20 21:59:52,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2353.
[2020-07-20 21:59:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2353 states.
[2020-07-20 21:59:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2353 states and 3037 transitions.
[2020-07-20 21:59:52,881 INFO L78 Accepts]: Start accepts. Automaton has 2353 states and 3037 transitions. Word has length 149
[2020-07-20 21:59:52,882 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:59:52,882 INFO L479 AbstractCegarLoop]: Abstraction has 2353 states and 3037 transitions.
[2020-07-20 21:59:52,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 21:59:52,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 3037 transitions.
[2020-07-20 21:59:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151
[2020-07-20 21:59:52,896 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:59:52,897 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:59:53,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:53,113 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:59:53,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:59:53,114 INFO L82 PathProgramCache]: Analyzing trace with hash 403851526, now seen corresponding path program 1 times
[2020-07-20 21:59:53,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:59:53,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778300778]
[2020-07-20 21:59:53,114 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 21:59:53,240 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:59:53,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:59:53,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 21:59:53,246 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:59:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:59:53,290 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 21:59:53,363 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:59:53,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778300778]
[2020-07-20 21:59:53,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 21:59:53,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7
[2020-07-20 21:59:53,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657027014]
[2020-07-20 21:59:53,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 21:59:53,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:59:53,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 21:59:53,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-07-20 21:59:53,368 INFO L87 Difference]: Start difference. First operand 2353 states and 3037 transitions. Second operand 7 states.
[2020-07-20 21:59:54,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:59:54,166 INFO L93 Difference]: Finished difference Result 4178 states and 5399 transitions.
[2020-07-20 21:59:54,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 21:59:54,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 150
[2020-07-20 21:59:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:59:54,177 INFO L225 Difference]: With dead ends: 4178
[2020-07-20 21:59:54,178 INFO L226 Difference]: Without dead ends: 2242
[2020-07-20 21:59:54,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-07-20 21:59:54,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states.
[2020-07-20 21:59:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 1811.
[2020-07-20 21:59:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states.
[2020-07-20 21:59:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2290 transitions.
[2020-07-20 21:59:54,242 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2290 transitions. Word has length 150
[2020-07-20 21:59:54,242 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:59:54,242 INFO L479 AbstractCegarLoop]: Abstraction has 1811 states and 2290 transitions.
[2020-07-20 21:59:54,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 21:59:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2290 transitions.
[2020-07-20 21:59:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2020-07-20 21:59:54,249 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:59:54,250 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 21:59:54,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:54,464 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:59:54,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:59:54,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1675110515, now seen corresponding path program 1 times
[2020-07-20 21:59:54,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:59:54,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351861672]
[2020-07-20 21:59:54,465 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 21:59:54,590 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 21:59:54,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:59:54,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 21:59:54,599 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:59:54,652 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.
[2020-07-20 21:59:54,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:59:54,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351861672]
[2020-07-20 21:59:54,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:59:54,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 21:59:54,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653055981]
[2020-07-20 21:59:54,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 21:59:54,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:59:54,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 21:59:54,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 21:59:54,655 INFO L87 Difference]: Start difference. First operand 1811 states and 2290 transitions. Second operand 3 states.
[2020-07-20 21:59:55,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:59:55,132 INFO L93 Difference]: Finished difference Result 1811 states and 2290 transitions.
[2020-07-20 21:59:55,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 21:59:55,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170
[2020-07-20 21:59:55,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:59:55,135 INFO L225 Difference]: With dead ends: 1811
[2020-07-20 21:59:55,136 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 21:59:55,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 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 21:59:55,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 21:59:55,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 21:59:55,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 21:59:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 21:59:55,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170
[2020-07-20 21:59:55,144 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:59:55,144 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 21:59:55,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 21:59:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 21:59:55,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 21:59:55,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:59:55,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 21:59:56,056 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49
[2020-07-20 21:59:56,201 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34
[2020-07-20 21:59:56,336 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34
[2020-07-20 21:59:56,340 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 21:59:56,341 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (= ~a21~0 |old(~a21~0)|))
[2020-07-20 21:59:56,341 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 21:59:56,341 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,341 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,341 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,342 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,343 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,344 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,344 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,344 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,344 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,344 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,344 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,344 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,345 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,346 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed.
[2020-07-20 21:59:56,346 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,346 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,346 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,346 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed.
[2020-07-20 21:59:56,346 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,346 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed.
[2020-07-20 21:59:56,347 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,348 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,349 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,349 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,349 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed.
[2020-07-20 21:59:56,349 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed.
[2020-07-20 21:59:56,349 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed.
[2020-07-20 21:59:56,349 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed.
[2020-07-20 21:59:56,349 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,350 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed.
[2020-07-20 21:59:56,351 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,352 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed.
[2020-07-20 21:59:56,353 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,354 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed.
[2020-07-20 21:59:56,355 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,356 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed.
[2020-07-20 21:59:56,357 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed.
[2020-07-20 21:59:56,358 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,358 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse7 (not (<= 15 |old(~a8~0)|))) (.cse0 (<= ~a8~0 |old(~a8~0)|)) (.cse1 (<= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse6 (<= ~a7~0 0)) (.cse3 (not (<= |old(~a7~0)| 0))) (.cse4 (not (<= |old(~a8~0)| 13))) (.cse5 (not (= 1 |old(~a21~0)|)))) (and (or (and .cse0 .cse1 (<= ~a16~0 5) .cse2) (and (or .cse3 .cse4 .cse5) (or (not (<= |old(~a16~0)| 5)) .cse5)) (and .cse0 .cse1 .cse6 .cse2)) (or (not (<= |old(~a21~0)| 0)) (and .cse0 .cse1 .cse2) .cse4) (or .cse7 .cse6 .cse3 .cse5) (or .cse7 .cse5 (and .cse0 .cse1 (<= 15 ~a8~0) .cse2)) (or .cse6 .cse3 .cse4 (not (<= |old(~a16~0)| 4)) .cse5)))
[2020-07-20 21:59:56,358 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,358 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,358 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,358 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,358 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,358 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed.
[2020-07-20 21:59:56,359 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,360 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed.
[2020-07-20 21:59:56,361 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,362 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed.
[2020-07-20 21:59:56,363 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 21:59:56,364 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (= 1 ~a21~0))
[2020-07-20 21:59:56,364 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 21:59:56,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 21:59:56,365 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (<= ~a7~0 0) (<= 15 ~a8~0) (= ~a21~0 |old(~a21~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a21~0)|)))
[2020-07-20 21:59:56,365 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed.
[2020-07-20 21:59:56,365 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= 1 ~a21~0)) (.cse0 (<= ~a8~0 13))) (or (and .cse0 (<= ~a7~0 0) (= ~a21~0 |old(~a21~0)|)) (not (<= 15 |old(~a8~0)|)) (and (<= 15 ~a8~0) .cse1) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (<= ~a16~0 5) .cse1) (and .cse0 (<= ~a21~0 0)) (not (= 1 |old(~a21~0)|))))
[2020-07-20 21:59:56,365 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed.
[2020-07-20 21:59:56,365 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed.
[2020-07-20 21:59:56,366 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (= 1 ~a21~0)) (.cse0 (<= ~a8~0 13))) (or (and .cse0 (<= ~a7~0 0) (= ~a21~0 |old(~a21~0)|)) (not (<= 15 |old(~a8~0)|)) (and (<= 15 ~a8~0) .cse1) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (and (<= ~a16~0 5) .cse1) (and .cse0 (<= ~a21~0 0)) (not (= 1 |old(~a21~0)|))))
[2020-07-20 21:59:56,366 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed.
[2020-07-20 21:59:56,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:59:56 BoogieIcfgContainer
[2020-07-20 21:59:56,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 21:59:56,389 INFO L168 Benchmark]: Toolchain (without parser) took 13658.05 ms. Allocated memory was 145.8 MB in the beginning and 401.6 MB in the end (delta: 255.9 MB). Free memory was 100.6 MB in the beginning and 257.8 MB in the end (delta: -157.2 MB). Peak memory consumption was 225.9 MB. Max. memory is 7.1 GB.
[2020-07-20 21:59:56,389 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 21:59:56,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.49 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 100.2 MB in the beginning and 172.8 MB in the end (delta: -72.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB.
[2020-07-20 21:59:56,391 INFO L168 Benchmark]: Boogie Preprocessor took 175.85 ms. Allocated memory is still 206.6 MB. Free memory was 172.8 MB in the beginning and 167.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
[2020-07-20 21:59:56,392 INFO L168 Benchmark]: RCFGBuilder took 1320.43 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 167.9 MB in the beginning and 182.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB.
[2020-07-20 21:59:56,393 INFO L168 Benchmark]: TraceAbstraction took 11375.96 ms. Allocated memory was 240.1 MB in the beginning and 401.6 MB in the end (delta: 161.5 MB). Free memory was 182.8 MB in the beginning and 257.8 MB in the end (delta: -75.0 MB). Peak memory consumption was 213.7 MB. Max. memory is 7.1 GB.
[2020-07-20 21:59:56,397 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 145.8 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 777.49 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 100.2 MB in the beginning and 172.8 MB in the end (delta: -72.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 175.85 ms. Allocated memory is still 206.6 MB. Free memory was 172.8 MB in the beginning and 167.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1320.43 ms. Allocated memory was 206.6 MB in the beginning and 240.1 MB in the end (delta: 33.6 MB). Free memory was 167.9 MB in the beginning and 182.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 11375.96 ms. Allocated memory was 240.1 MB in the beginning and 401.6 MB in the end (delta: 161.5 MB). Free memory was 182.8 MB in the beginning and 257.8 MB in the end (delta: -75.0 MB). Peak memory consumption was 213.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 506]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 583]: Loop Invariant
Derived loop invariant: ((((((((a8 <= 13 && a7 <= 0) && a21 == \old(a21)) || !(15 <= \old(a8))) || (15 <= a8 && 1 == a21)) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || (a16 <= 5 && 1 == a21)) || (a8 <= 13 && a21 <= 0)) || !(1 == \old(a21))
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 594 SDtfs, 2076 SDslu, 203 SDs, 0 SdLazy, 4387 SolverSat, 728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1283 GetRequests, 1256 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2353occurred in iteration=5, 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, 940 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 90 NumberOfFragments, 281 HoareAnnotationTreeSize, 62 FomulaSimplifications, 1637 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 709 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1267 ConstructedInterpolants, 0 QuantifiedInterpolants, 351466 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2826 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 280/288 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...