/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --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_label58.c
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This is Ultimate 0.1.25-d623d84
[2020-07-20 14:06:13,269 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 14:06:13,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 14:06:13,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 14:06:13,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 14:06:13,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 14:06:13,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 14:06:13,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 14:06:13,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 14:06:13,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 14:06:13,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 14:06:13,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 14:06:13,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 14:06:13,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 14:06:13,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 14:06:13,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 14:06:13,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 14:06:13,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 14:06:13,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 14:06:13,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 14:06:13,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 14:06:13,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 14:06:13,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 14:06:13,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 14:06:13,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 14:06:13,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 14:06:13,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 14:06:13,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 14:06:13,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 14:06:13,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 14:06:13,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 14:06:13,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 14:06:13,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 14:06:13,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 14:06:13,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 14:06:13,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 14:06:13,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 14:06:13,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 14:06:13,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 14:06:13,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 14:06:13,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 14:06:13,326 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 14:06:13,342 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 14:06:13,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 14:06:13,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 14:06:13,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 14:06:13,346 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 14:06:13,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 14:06:13,347 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 14:06:13,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 14:06:13,347 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 14:06:13,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 14:06:13,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 14:06:13,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 14:06:13,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 14:06:13,348 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 14:06:13,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 14:06:13,348 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 14:06:13,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 14:06:13,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 14:06:13,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 14:06:13,350 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 14:06:13,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 14:06:13,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 14:06:13,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 14:06:13,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 14:06:13,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 14:06:13,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 14:06:13,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:06:13,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 14:06:13,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 14:06:13,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
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 14:06:13,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 14:06:13,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 14:06:13,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 14:06:13,679 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 14:06:13,680 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 14:06:13,681 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label58.c
[2020-07-20 14:06:13,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59435161c/a71eb47af4bb4cd3bf7d6f952f15c6fe/FLAGd4e8cf4c1
[2020-07-20 14:06:14,269 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 14:06:14,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label58.c
[2020-07-20 14:06:14,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59435161c/a71eb47af4bb4cd3bf7d6f952f15c6fe/FLAGd4e8cf4c1
[2020-07-20 14:06:14,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59435161c/a71eb47af4bb4cd3bf7d6f952f15c6fe
[2020-07-20 14:06:14,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 14:06:14,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 14:06:14,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 14:06:14,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 14:06:14,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 14:06:14,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:06:14" (1/1) ...
[2020-07-20 14:06:14,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b24803d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:14, skipping insertion in model container
[2020-07-20 14:06:14,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:06:14" (1/1) ...
[2020-07-20 14:06:14,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 14:06:14,620 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 14:06:15,125 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:06:15,131 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 14:06:15,396 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 14:06:15,415 INFO L208 MainTranslator]: Completed translation
[2020-07-20 14:06:15,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15 WrapperNode
[2020-07-20 14:06:15,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 14:06:15,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 14:06:15,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 14:06:15,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 14:06:15,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (1/1) ...
[2020-07-20 14:06:15,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (1/1) ...
[2020-07-20 14:06:15,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (1/1) ...
[2020-07-20 14:06:15,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (1/1) ...
[2020-07-20 14:06:15,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (1/1) ...
[2020-07-20 14:06:15,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (1/1) ...
[2020-07-20 14:06:15,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (1/1) ...
[2020-07-20 14:06:15,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 14:06:15,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 14:06:15,568 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 14:06:15,568 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 14:06:15,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (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 14:06:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 14:06:15,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 14:06:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 14:06:15,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 14:06:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 14:06:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 14:06:15,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 14:06:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 14:06:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 14:06:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 14:06:15,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 14:06:16,886 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 14:06:16,887 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 14:06:16,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:06:16 BoogieIcfgContainer
[2020-07-20 14:06:16,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 14:06:16,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 14:06:16,896 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 14:06:16,899 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 14:06:16,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:06:14" (1/3) ...
[2020-07-20 14:06:16,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adcfa14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:06:16, skipping insertion in model container
[2020-07-20 14:06:16,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:06:15" (2/3) ...
[2020-07-20 14:06:16,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adcfa14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:06:16, skipping insertion in model container
[2020-07-20 14:06:16,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:06:16" (3/3) ...
[2020-07-20 14:06:16,904 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label58.c
[2020-07-20 14:06:16,915 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 14:06:16,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 14:06:16,938 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 14:06:16,965 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 14:06:16,966 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 14:06:16,966 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 14:06:16,966 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 14:06:16,966 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 14:06:16,966 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 14:06:16,967 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 14:06:16,967 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 14:06:16,991 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states.
[2020-07-20 14:06:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2020-07-20 14:06:17,004 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 14:06:17,005 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]
[2020-07-20 14:06:17,005 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:06:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:06:17,012 INFO L82 PathProgramCache]: Analyzing trace with hash 575241111, now seen corresponding path program 1 times
[2020-07-20 14:06:17,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:06:17,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1212041301]
[2020-07-20 14:06:17,022 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 14:06:17,211 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:06:17,212 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:06:17,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:06:17,226 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:06:17,328 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 14:06:17,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:06:17,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1212041301]
[2020-07-20 14:06:17,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:06:17,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:06:17,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610032509]
[2020-07-20 14:06:17,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:06:17,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:06:17,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:06:17,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:06:17,369 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states.
[2020-07-20 14:06:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:06:18,358 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions.
[2020-07-20 14:06:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 14:06:18,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105
[2020-07-20 14:06:18,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:06:18,378 INFO L225 Difference]: With dead ends: 547
[2020-07-20 14:06:18,378 INFO L226 Difference]: Without dead ends: 278
[2020-07-20 14:06:18,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:06:18,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states.
[2020-07-20 14:06:18,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278.
[2020-07-20 14:06:18,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states.
[2020-07-20 14:06:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions.
[2020-07-20 14:06:18,457 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 105
[2020-07-20 14:06:18,458 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:06:18,458 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions.
[2020-07-20 14:06:18,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:06:18,458 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions.
[2020-07-20 14:06:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2020-07-20 14:06:18,462 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 14:06:18,463 INFO L422 BasicCegarLoop]: trace histogram [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]
[2020-07-20 14:06:18,676 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:06:18,677 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:06:18,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:06:18,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1991368934, now seen corresponding path program 1 times
[2020-07-20 14:06:18,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:06:18,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582137169]
[2020-07-20 14:06:18,678 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 14:06:18,793 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:06:18,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:06:18,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 14:06:18,801 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:06:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 14:06:18,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:06:18,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582137169]
[2020-07-20 14:06:18,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:06:18,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 14:06:18,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288138924]
[2020-07-20 14:06:18,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 14:06:18,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:06:18,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 14:06:18,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 14:06:18,866 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states.
[2020-07-20 14:06:19,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:06:19,696 INFO L93 Difference]: Finished difference Result 842 states and 1252 transitions.
[2020-07-20 14:06:19,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 14:06:19,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114
[2020-07-20 14:06:19,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:06:19,706 INFO L225 Difference]: With dead ends: 842
[2020-07-20 14:06:19,706 INFO L226 Difference]: Without dead ends: 570
[2020-07-20 14:06:19,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 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 14:06:19,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states.
[2020-07-20 14:06:19,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556.
[2020-07-20 14:06:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states.
[2020-07-20 14:06:19,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions.
[2020-07-20 14:06:19,777 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 114
[2020-07-20 14:06:19,777 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:06:19,777 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions.
[2020-07-20 14:06:19,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 14:06:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions.
[2020-07-20 14:06:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2020-07-20 14:06:19,788 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 14:06:19,791 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 14:06:19,992 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:06:19,993 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:06:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:06:19,995 INFO L82 PathProgramCache]: Analyzing trace with hash -672258637, now seen corresponding path program 1 times
[2020-07-20 14:06:19,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:06:19,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927714301]
[2020-07-20 14:06:19,996 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 14:06:20,137 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:06:20,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:06:20,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:06:20,145 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:06:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2020-07-20 14:06:20,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:06:20,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927714301]
[2020-07-20 14:06:20,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:06:20,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:06:20,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84432205]
[2020-07-20 14:06:20,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:06:20,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:06:20,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:06:20,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:06:20,190 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 3 states.
[2020-07-20 14:06:20,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:06:20,706 INFO L93 Difference]: Finished difference Result 1648 states and 2356 transitions.
[2020-07-20 14:06:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 14:06:20,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125
[2020-07-20 14:06:20,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:06:20,716 INFO L225 Difference]: With dead ends: 1648
[2020-07-20 14:06:20,717 INFO L226 Difference]: Without dead ends: 1098
[2020-07-20 14:06:20,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 123 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 14:06:20,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states.
[2020-07-20 14:06:20,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 963.
[2020-07-20 14:06:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states.
[2020-07-20 14:06:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1347 transitions.
[2020-07-20 14:06:20,770 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1347 transitions. Word has length 125
[2020-07-20 14:06:20,771 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:06:20,771 INFO L479 AbstractCegarLoop]: Abstraction has 963 states and 1347 transitions.
[2020-07-20 14:06:20,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:06:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1347 transitions.
[2020-07-20 14:06:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2020-07-20 14:06:20,777 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 14:06:20,777 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]
[2020-07-20 14:06:20,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:06:20,992 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 14:06:20,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 14:06:20,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1096458673, now seen corresponding path program 1 times
[2020-07-20 14:06:20,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 14:06:20,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75349513]
[2020-07-20 14:06:20,993 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 14:06:21,133 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 14:06:21,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 14:06:21,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 14:06:21,139 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 14:06:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2020-07-20 14:06:21,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 14:06:21,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75349513]
[2020-07-20 14:06:21,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 14:06:21,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 14:06:21,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701258461]
[2020-07-20 14:06:21,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 14:06:21,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 14:06:21,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 14:06:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 14:06:21,176 INFO L87 Difference]: Start difference. First operand 963 states and 1347 transitions. Second operand 3 states.
[2020-07-20 14:06:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 14:06:21,736 INFO L93 Difference]: Finished difference Result 2192 states and 3104 transitions.
[2020-07-20 14:06:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 14:06:21,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139
[2020-07-20 14:06:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 14:06:21,738 INFO L225 Difference]: With dead ends: 2192
[2020-07-20 14:06:21,738 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 14:06:21,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 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 14:06:21,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 14:06:21,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 14:06:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 14:06:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 14:06:21,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139
[2020-07-20 14:06:21,744 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 14:06:21,744 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 14:06:21,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 14:06:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 14:06:21,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 14:06:21,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 14:06:21,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 14:06:22,215 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 14:06:22,216 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~a7~0 |old(~a7~0)|)
[2020-07-20 14:06:22,216 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 14:06:22,216 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,216 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,216 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,217 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed.
[2020-07-20 14:06:22,218 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed.
[2020-07-20 14:06:22,218 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed.
[2020-07-20 14:06:22,218 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed.
[2020-07-20 14:06:22,218 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed.
[2020-07-20 14:06:22,218 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed.
[2020-07-20 14:06:22,218 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,218 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,219 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,219 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,219 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,219 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,219 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,219 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,220 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,220 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,220 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed.
[2020-07-20 14:06:22,220 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed.
[2020-07-20 14:06:22,220 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed.
[2020-07-20 14:06:22,220 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed.
[2020-07-20 14:06:22,220 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed.
[2020-07-20 14:06:22,221 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed.
[2020-07-20 14:06:22,221 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,221 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,221 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,221 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 473) no Hoare annotation was computed.
[2020-07-20 14:06:22,221 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,222 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,222 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,222 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed.
[2020-07-20 14:06:22,222 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,222 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,222 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,222 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,223 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,223 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,223 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,223 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed.
[2020-07-20 14:06:22,223 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed.
[2020-07-20 14:06:22,223 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed.
[2020-07-20 14:06:22,223 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed.
[2020-07-20 14:06:22,224 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed.
[2020-07-20 14:06:22,224 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed.
[2020-07-20 14:06:22,224 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,224 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,224 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,224 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,224 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed.
[2020-07-20 14:06:22,225 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,226 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,226 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,226 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,226 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,226 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,226 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,226 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,227 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,227 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,227 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,227 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,227 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,227 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,227 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,228 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,229 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,230 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,231 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,232 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,232 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed.
[2020-07-20 14:06:22,232 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed.
[2020-07-20 14:06:22,232 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed.
[2020-07-20 14:06:22,232 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed.
[2020-07-20 14:06:22,232 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed.
[2020-07-20 14:06:22,232 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,233 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed.
[2020-07-20 14:06:22,234 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,235 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (<= ~a7~0 |old(~a7~0)|))) (and (or (not (<= 15 |old(~a8~0)|)) (and (<= 15 ~a8~0) .cse0)) (or (not (<= |old(~a8~0)| 13)) (and (<= ~a8~0 13) .cse0)) (or (not (<= |old(~a16~0)| 5)) (and (<= ~a16~0 5) .cse0))))
[2020-07-20 14:06:22,235 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,235 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,235 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,235 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed.
[2020-07-20 14:06:22,236 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed.
[2020-07-20 14:06:22,237 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed.
[2020-07-20 14:06:22,237 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed.
[2020-07-20 14:06:22,237 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed.
[2020-07-20 14:06:22,237 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed.
[2020-07-20 14:06:22,237 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,237 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,237 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,238 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,239 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,239 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed.
[2020-07-20 14:06:22,239 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed.
[2020-07-20 14:06:22,239 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed.
[2020-07-20 14:06:22,239 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed.
[2020-07-20 14:06:22,239 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed.
[2020-07-20 14:06:22,239 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,240 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,241 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,241 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,241 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,241 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed.
[2020-07-20 14:06:22,241 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,241 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed.
[2020-07-20 14:06:22,241 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed.
[2020-07-20 14:06:22,242 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 14:06:22,243 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0))
[2020-07-20 14:06:22,243 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 14:06:22,243 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 14:06:22,243 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (and (<= ~a16~0 5) (<= 15 ~a8~0) (<= ~a7~0 |old(~a7~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)))
[2020-07-20 14:06:22,243 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed.
[2020-07-20 14:06:22,243 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0) (<= ~a16~0 5))
[2020-07-20 14:06:22,244 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed.
[2020-07-20 14:06:22,244 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed.
[2020-07-20 14:06:22,244 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (<= 15 ~a8~0) (<= ~a16~0 5))
[2020-07-20 14:06:22,244 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed.
[2020-07-20 14:06:22,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 02:06:22 BoogieIcfgContainer
[2020-07-20 14:06:22,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 14:06:22,268 INFO L168 Benchmark]: Toolchain (without parser) took 7737.98 ms. Allocated memory was 137.9 MB in the beginning and 291.0 MB in the end (delta: 153.1 MB). Free memory was 101.3 MB in the beginning and 90.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 163.8 MB. Max. memory is 7.1 GB.
[2020-07-20 14:06:22,269 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-20 14:06:22,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.12 ms. Allocated memory was 137.9 MB in the beginning and 207.1 MB in the end (delta: 69.2 MB). Free memory was 100.9 MB in the beginning and 173.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB.
[2020-07-20 14:06:22,271 INFO L168 Benchmark]: Boogie Preprocessor took 150.46 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB.
[2020-07-20 14:06:22,271 INFO L168 Benchmark]: RCFGBuilder took 1326.59 ms. Allocated memory was 207.1 MB in the beginning and 238.0 MB in the end (delta: 30.9 MB). Free memory was 168.7 MB in the beginning and 183.0 MB in the end (delta: -14.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB.
[2020-07-20 14:06:22,272 INFO L168 Benchmark]: TraceAbstraction took 5369.66 ms. Allocated memory was 238.0 MB in the beginning and 291.0 MB in the end (delta: 53.0 MB). Free memory was 183.0 MB in the beginning and 90.6 MB in the end (delta: 92.4 MB). Peak memory consumption was 145.4 MB. Max. memory is 7.1 GB.
[2020-07-20 14:06:22,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 880.12 ms. Allocated memory was 137.9 MB in the beginning and 207.1 MB in the end (delta: 69.2 MB). Free memory was 100.9 MB in the beginning and 173.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 150.46 ms. Allocated memory is still 207.1 MB. Free memory was 173.9 MB in the beginning and 168.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1326.59 ms. Allocated memory was 207.1 MB in the beginning and 238.0 MB in the end (delta: 30.9 MB). Free memory was 168.7 MB in the beginning and 183.0 MB in the end (delta: -14.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5369.66 ms. Allocated memory was 238.0 MB in the beginning and 291.0 MB in the end (delta: 53.0 MB). Free memory was 183.0 MB in the beginning and 90.6 MB in the end (delta: 92.4 MB). Peak memory consumption was 145.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 473]: 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 || !(15 <= \old(a8))) || !(\old(a7) <= 0)) || !(\old(a16) <= 5)) || 15 <= a8) || a16 <= 5
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 299 SDtfs, 679 SDslu, 78 SDs, 0 SdLazy, 1641 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=963occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 149 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 29 PreInvPairs, 47 NumberOfFragments, 118 HoareAnnotationTreeSize, 29 FomulaSimplifications, 283 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 154 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 483 NumberOfCodeBlocks, 483 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 134857 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1473 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 68/68 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...