/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c
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This is Ultimate 0.1.25-d623d84
[2020-07-20 17:32:44,893 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 17:32:44,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 17:32:44,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 17:32:44,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 17:32:44,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 17:32:44,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 17:32:44,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 17:32:44,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 17:32:44,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 17:32:44,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 17:32:44,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 17:32:44,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 17:32:44,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 17:32:44,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 17:32:44,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 17:32:44,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 17:32:44,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 17:32:44,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 17:32:44,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 17:32:44,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 17:32:44,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 17:32:44,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 17:32:44,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 17:32:44,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 17:32:44,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 17:32:44,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 17:32:44,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 17:32:44,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 17:32:44,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 17:32:44,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 17:32:44,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 17:32:44,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 17:32:44,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 17:32:44,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 17:32:44,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 17:32:44,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 17:32:44,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 17:32:44,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 17:32:44,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 17:32:44,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 17:32:44,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 17:32:44,963 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 17:32:44,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 17:32:44,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 17:32:44,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 17:32:44,965 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 17:32:44,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 17:32:44,965 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 17:32:44,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 17:32:44,966 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 17:32:44,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 17:32:44,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 17:32:44,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 17:32:44,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 17:32:44,967 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 17:32:44,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 17:32:44,967 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 17:32:44,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 17:32:44,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 17:32:44,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 17:32:44,968 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 17:32:44,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 17:32:44,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:32:44,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 17:32:44,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 17:32:44,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 17:32:44,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 17:32:44,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:44,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 17:32:44,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 17:32:44,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 17:32:45,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 17:32:45,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 17:32:45,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 17:32:45,308 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 17:32:45,308 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 17:32:45,309 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c
[2020-07-20 17:32:45,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0607d8a0b/e19d9c296e2a4a2089750c0428f0a345/FLAG56f00b775
[2020-07-20 17:32:45,988 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 17:32:45,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c
[2020-07-20 17:32:46,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0607d8a0b/e19d9c296e2a4a2089750c0428f0a345/FLAG56f00b775
[2020-07-20 17:32:46,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0607d8a0b/e19d9c296e2a4a2089750c0428f0a345
[2020-07-20 17:32:46,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 17:32:46,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 17:32:46,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 17:32:46,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 17:32:46,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 17:32:46,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:46" (1/1) ...
[2020-07-20 17:32:46,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce438f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:46, skipping insertion in model container
[2020-07-20 17:32:46,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:32:46" (1/1) ...
[2020-07-20 17:32:46,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 17:32:46,311 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 17:32:46,809 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:32:46,815 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 17:32:47,153 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 17:32:47,170 INFO L208 MainTranslator]: Completed translation
[2020-07-20 17:32:47,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47 WrapperNode
[2020-07-20 17:32:47,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 17:32:47,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 17:32:47,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 17:32:47,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 17:32:47,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
[2020-07-20 17:32:47,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 17:32:47,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 17:32:47,322 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 17:32:47,323 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 17:32:47,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 17:32:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 17:32:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 17:32:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-20 17:32:47,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 17:32:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-20 17:32:47,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 17:32:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 17:32:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-07-20 17:32:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 17:32:47,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 17:32:47,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 17:32:49,015 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 17:32:49,015 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 17:32:49,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:49 BoogieIcfgContainer
[2020-07-20 17:32:49,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 17:32:49,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 17:32:49,024 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 17:32:49,027 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 17:32:49,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:32:46" (1/3) ...
[2020-07-20 17:32:49,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32274b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:49, skipping insertion in model container
[2020-07-20 17:32:49,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:32:47" (2/3) ...
[2020-07-20 17:32:49,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32274b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:32:49, skipping insertion in model container
[2020-07-20 17:32:49,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:32:49" (3/3) ...
[2020-07-20 17:32:49,032 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c
[2020-07-20 17:32:49,042 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 17:32:49,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 17:32:49,065 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 17:32:49,089 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 17:32:49,089 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 17:32:49,090 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 17:32:49,090 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 17:32:49,090 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 17:32:49,090 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 17:32:49,090 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 17:32:49,090 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 17:32:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states.
[2020-07-20 17:32:49,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2020-07-20 17:32:49,126 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:32:49,128 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]
[2020-07-20 17:32:49,128 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:49,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:49,133 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times
[2020-07-20 17:32:49,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:49,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584701723]
[2020-07-20 17:32:49,141 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:49,267 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:49,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:49,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 17:32:49,277 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:49,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:49,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584701723]
[2020-07-20 17:32:49,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:49,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:32:49,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826688924]
[2020-07-20 17:32:49,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:32:49,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:49,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:32:49,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:32:49,379 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states.
[2020-07-20 17:32:50,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:50,668 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions.
[2020-07-20 17:32:50,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 17:32:50,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56
[2020-07-20 17:32:50,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:50,687 INFO L225 Difference]: With dead ends: 688
[2020-07-20 17:32:50,688 INFO L226 Difference]: Without dead ends: 372
[2020-07-20 17:32:50,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:32:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states.
[2020-07-20 17:32:50,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372.
[2020-07-20 17:32:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states.
[2020-07-20 17:32:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 560 transitions.
[2020-07-20 17:32:50,771 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 560 transitions. Word has length 56
[2020-07-20 17:32:50,772 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:50,772 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 560 transitions.
[2020-07-20 17:32:50,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:32:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 560 transitions.
[2020-07-20 17:32:50,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2020-07-20 17:32:50,780 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:32:50,780 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:32:50,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:50,994 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:50,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:50,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1442467785, now seen corresponding path program 1 times
[2020-07-20 17:32:50,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:50,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [99133575]
[2020-07-20 17:32:50,997 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:51,104 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:51,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:51,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:32:51,112 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:51,156 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:51,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [99133575]
[2020-07-20 17:32:51,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:51,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:32:51,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289074142]
[2020-07-20 17:32:51,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:32:51,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:51,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:32:51,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:32:51,160 INFO L87 Difference]: Start difference. First operand 372 states and 560 transitions. Second operand 3 states.
[2020-07-20 17:32:52,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:52,148 INFO L93 Difference]: Finished difference Result 556 states and 862 transitions.
[2020-07-20 17:32:52,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 17:32:52,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135
[2020-07-20 17:32:52,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:52,158 INFO L225 Difference]: With dead ends: 556
[2020-07-20 17:32:52,158 INFO L226 Difference]: Without dead ends: 554
[2020-07-20 17:32:52,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:32:52,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states.
[2020-07-20 17:32:52,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554.
[2020-07-20 17:32:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states.
[2020-07-20 17:32:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 860 transitions.
[2020-07-20 17:32:52,198 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 860 transitions. Word has length 135
[2020-07-20 17:32:52,199 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:52,200 INFO L479 AbstractCegarLoop]: Abstraction has 554 states and 860 transitions.
[2020-07-20 17:32:52,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:32:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 860 transitions.
[2020-07-20 17:32:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2020-07-20 17:32:52,204 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:32:52,204 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:32:52,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:52,419 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:52,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:52,420 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times
[2020-07-20 17:32:52,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:52,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878788081]
[2020-07-20 17:32:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:52,510 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:52,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:52,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 17:32:52,517 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:52,594 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-20 17:32:52,595 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:52,597 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:52,624 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:52,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:52,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878788081]
[2020-07-20 17:32:52,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:52,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 17:32:52,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993633906]
[2020-07-20 17:32:52,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 17:32:52,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:52,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 17:32:52,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 17:32:52,697 INFO L87 Difference]: Start difference. First operand 554 states and 860 transitions. Second operand 5 states.
[2020-07-20 17:32:54,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:54,313 INFO L93 Difference]: Finished difference Result 1670 states and 2622 transitions.
[2020-07-20 17:32:54,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-07-20 17:32:54,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139
[2020-07-20 17:32:54,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:54,321 INFO L225 Difference]: With dead ends: 1670
[2020-07-20 17:32:54,322 INFO L226 Difference]: Without dead ends: 1122
[2020-07-20 17:32:54,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-07-20 17:32:54,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states.
[2020-07-20 17:32:54,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1108.
[2020-07-20 17:32:54,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states.
[2020-07-20 17:32:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1494 transitions.
[2020-07-20 17:32:54,386 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1494 transitions. Word has length 139
[2020-07-20 17:32:54,387 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:54,387 INFO L479 AbstractCegarLoop]: Abstraction has 1108 states and 1494 transitions.
[2020-07-20 17:32:54,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 17:32:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1494 transitions.
[2020-07-20 17:32:54,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2020-07-20 17:32:54,394 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:32:54,394 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:32:54,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:54,609 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:54,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:54,610 INFO L82 PathProgramCache]: Analyzing trace with hash 837695806, now seen corresponding path program 1 times
[2020-07-20 17:32:54,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:54,612 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723018876]
[2020-07-20 17:32:54,612 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:54,745 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:54,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:54,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 17:32:54,763 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2020-07-20 17:32:54,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:32:54,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723018876]
[2020-07-20 17:32:54,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:32:54,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 17:32:54,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303938622]
[2020-07-20 17:32:54,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 17:32:54,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:54,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 17:32:54,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 17:32:54,887 INFO L87 Difference]: Start difference. First operand 1108 states and 1494 transitions. Second operand 5 states.
[2020-07-20 17:32:56,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:32:56,251 INFO L93 Difference]: Finished difference Result 2620 states and 3803 transitions.
[2020-07-20 17:32:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 17:32:56,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209
[2020-07-20 17:32:56,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:32:56,263 INFO L225 Difference]: With dead ends: 2620
[2020-07-20 17:32:56,263 INFO L226 Difference]: Without dead ends: 1700
[2020-07-20 17:32:56,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 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 17:32:56,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states.
[2020-07-20 17:32:56,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1670.
[2020-07-20 17:32:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states.
[2020-07-20 17:32:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2228 transitions.
[2020-07-20 17:32:56,340 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2228 transitions. Word has length 209
[2020-07-20 17:32:56,340 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:32:56,340 INFO L479 AbstractCegarLoop]: Abstraction has 1670 states and 2228 transitions.
[2020-07-20 17:32:56,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 17:32:56,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2228 transitions.
[2020-07-20 17:32:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2020-07-20 17:32:56,346 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:32:56,347 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:32:56,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:56,563 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:32:56,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:32:56,564 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times
[2020-07-20 17:32:56,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:32:56,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337698990]
[2020-07-20 17:32:56,565 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:32:56,669 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:32:56,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:32:56,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 17:32:56,674 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:32:56,751 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-20 17:32:56,752 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:56,753 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:56,776 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 17:32:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:56,862 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 17:32:57,013 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36
[2020-07-20 17:32:57,059 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 1] term
[2020-07-20 17:32:57,059 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,061 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[4, 2, 1] term
[2020-07-20 17:32:57,061 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,063 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,064 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,065 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,066 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,087 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,088 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts
[2020-07-20 17:32:57,205 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,208 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,239 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-20 17:32:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 99 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 17:32:57,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337698990]
[2020-07-20 17:32:57,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 17:32:57,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13
[2020-07-20 17:32:57,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17449728]
[2020-07-20 17:32:57,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states
[2020-07-20 17:32:57,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:32:57,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2020-07-20 17:32:57,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2020-07-20 17:32:57,454 INFO L87 Difference]: Start difference. First operand 1670 states and 2228 transitions. Second operand 13 states.
[2020-07-20 17:33:01,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:01,367 INFO L93 Difference]: Finished difference Result 4674 states and 6586 transitions.
[2020-07-20 17:33:01,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2020-07-20 17:33:01,374 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223
[2020-07-20 17:33:01,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:01,395 INFO L225 Difference]: With dead ends: 4674
[2020-07-20 17:33:01,395 INFO L226 Difference]: Without dead ends: 3192
[2020-07-20 17:33:01,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=413, Unknown=0, NotChecked=0, Total=600
[2020-07-20 17:33:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3192 states.
[2020-07-20 17:33:01,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3192 to 2804.
[2020-07-20 17:33:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2804 states.
[2020-07-20 17:33:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 3698 transitions.
[2020-07-20 17:33:01,494 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 3698 transitions. Word has length 223
[2020-07-20 17:33:01,495 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:01,495 INFO L479 AbstractCegarLoop]: Abstraction has 2804 states and 3698 transitions.
[2020-07-20 17:33:01,495 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2020-07-20 17:33:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3698 transitions.
[2020-07-20 17:33:01,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274
[2020-07-20 17:33:01,500 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:33:01,501 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:33:01,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:01,716 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:33:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:33:01,717 INFO L82 PathProgramCache]: Analyzing trace with hash 2106362550, now seen corresponding path program 1 times
[2020-07-20 17:33:01,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:33:01,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812931840]
[2020-07-20 17:33:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:01,838 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:33:01,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:33:01,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:33:01,846 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:33:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked.
[2020-07-20 17:33:01,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:33:01,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812931840]
[2020-07-20 17:33:01,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:33:01,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:33:01,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044423858]
[2020-07-20 17:33:01,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:33:01,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:33:01,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:33:01,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:01,950 INFO L87 Difference]: Start difference. First operand 2804 states and 3698 transitions. Second operand 3 states.
[2020-07-20 17:33:02,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:02,911 INFO L93 Difference]: Finished difference Result 3716 states and 4937 transitions.
[2020-07-20 17:33:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 17:33:02,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 273
[2020-07-20 17:33:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:02,945 INFO L225 Difference]: With dead ends: 3716
[2020-07-20 17:33:02,945 INFO L226 Difference]: Without dead ends: 3714
[2020-07-20 17:33:02,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states.
[2020-07-20 17:33:03,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 2802.
[2020-07-20 17:33:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2802 states.
[2020-07-20 17:33:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3609 transitions.
[2020-07-20 17:33:03,094 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3609 transitions. Word has length 273
[2020-07-20 17:33:03,095 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:03,095 INFO L479 AbstractCegarLoop]: Abstraction has 2802 states and 3609 transitions.
[2020-07-20 17:33:03,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:33:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3609 transitions.
[2020-07-20 17:33:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472
[2020-07-20 17:33:03,119 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:33:03,120 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:33:03,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:03,334 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:33:03,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:33:03,335 INFO L82 PathProgramCache]: Analyzing trace with hash 313381864, now seen corresponding path program 1 times
[2020-07-20 17:33:03,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:33:03,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53292438]
[2020-07-20 17:33:03,336 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:03,739 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:33:03,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:33:03,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:33:03,752 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:33:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked.
[2020-07-20 17:33:04,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:33:04,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53292438]
[2020-07-20 17:33:04,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:33:04,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:33:04,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87245141]
[2020-07-20 17:33:04,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:33:04,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:33:04,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:33:04,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:04,091 INFO L87 Difference]: Start difference. First operand 2802 states and 3609 transitions. Second operand 3 states.
[2020-07-20 17:33:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:04,962 INFO L93 Difference]: Finished difference Result 3902 states and 5058 transitions.
[2020-07-20 17:33:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 17:33:04,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 471
[2020-07-20 17:33:04,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:04,986 INFO L225 Difference]: With dead ends: 3902
[2020-07-20 17:33:04,986 INFO L226 Difference]: Without dead ends: 3900
[2020-07-20 17:33:04,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:04,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3900 states.
[2020-07-20 17:33:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3900 to 2802.
[2020-07-20 17:33:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2802 states.
[2020-07-20 17:33:05,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3609 transitions.
[2020-07-20 17:33:05,081 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3609 transitions. Word has length 471
[2020-07-20 17:33:05,082 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:05,082 INFO L479 AbstractCegarLoop]: Abstraction has 2802 states and 3609 transitions.
[2020-07-20 17:33:05,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:33:05,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3609 transitions.
[2020-07-20 17:33:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555
[2020-07-20 17:33:05,099 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 17:33:05,099 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 17:33:05,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:05,304 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 17:33:05,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 17:33:05,305 INFO L82 PathProgramCache]: Analyzing trace with hash -347572093, now seen corresponding path program 1 times
[2020-07-20 17:33:05,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 17:33:05,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506137406]
[2020-07-20 17:33:05,306 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:05,549 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 17:33:05,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 17:33:05,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-20 17:33:05,560 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 17:33:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked.
[2020-07-20 17:33:05,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 17:33:05,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506137406]
[2020-07-20 17:33:05,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 17:33:05,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 17:33:05,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040426460]
[2020-07-20 17:33:05,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 17:33:05,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 17:33:05,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 17:33:05,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:05,808 INFO L87 Difference]: Start difference. First operand 2802 states and 3609 transitions. Second operand 3 states.
[2020-07-20 17:33:06,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 17:33:06,884 INFO L93 Difference]: Finished difference Result 6152 states and 7942 transitions.
[2020-07-20 17:33:06,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 17:33:06,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 554
[2020-07-20 17:33:06,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 17:33:06,886 INFO L225 Difference]: With dead ends: 6152
[2020-07-20 17:33:06,886 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 17:33:06,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 17:33:06,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 17:33:06,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 17:33:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 17:33:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 17:33:06,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 554
[2020-07-20 17:33:06,899 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 17:33:06,899 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 17:33:06,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 17:33:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 17:33:06,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 17:33:07,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 17:33:07,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 17:33:08,040 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 47
[2020-07-20 17:33:08,169 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37
[2020-07-20 17:33:08,279 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37
[2020-07-20 17:33:08,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 17:33:08,284 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a12~0 |old(~a12~0)|) (<= ~a24~0 |old(~a24~0)|) (<= ~a15~0 |old(~a15~0)|) (<= |old(~a21~0)| ~a21~0))
[2020-07-20 17:33:08,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,285 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,286 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,287 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,288 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,289 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-07-20 17:33:08,290 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,291 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,292 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,293 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed.
[2020-07-20 17:33:08,294 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse1 (<= ~a12~0 |old(~a12~0)|)) (.cse2 (<= ~a24~0 |old(~a24~0)|)) (.cse3 (<= ~a15~0 |old(~a15~0)|)) (.cse4 (<= |old(~a21~0)| ~a21~0))) (let ((.cse0 (and .cse1 .cse2 .cse3 .cse4))) (and (or (not (<= |old(~a21~0)| 7)) (<= ~a21~0 7)) (or (not (<= |old(~a24~0)| 1)) (not (< |old(~a12~0)| 81)) .cse0) (or (not (<= |old(~a15~0)| 5)) .cse0) (or (and (not (<= |old(~a21~0)| 9)) (not (<= 7 |old(~a15~0)|))) (and .cse1 .cse2 .cse3 (<= ~a21~0 9) .cse4) (and .cse1 (<= 7 ~a15~0) .cse2 .cse3 .cse4)) (or (not (<= 8 |old(~a15~0)|)) (<= 8 ~a15~0)))))
[2020-07-20 17:33:08,295 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,295 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,296 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-07-20 17:33:08,297 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed.
[2020-07-20 17:33:08,298 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,299 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,300 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,301 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,302 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,303 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed.
[2020-07-20 17:33:08,304 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed.
[2020-07-20 17:33:08,305 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,306 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,307 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,308 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-07-20 17:33:08,309 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-07-20 17:33:08,310 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,311 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed.
[2020-07-20 17:33:08,312 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 17:33:08,313 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a24~0 1) (<= (+ ~a12~0 49) 0) (<= ~a15~0 8) (<= 7 ~a21~0) (<= ~a21~0 7) (<= 8 ~a15~0))
[2020-07-20 17:33:08,313 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 17:33:08,313 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 17:33:08,313 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (and (<= ~a12~0 |old(~a12~0)|) (<= ~a24~0 |old(~a24~0)|) (<= ~a15~0 8) (<= ~a21~0 7) (<= |old(~a21~0)| ~a21~0) (<= 8 ~a15~0)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)))
[2020-07-20 17:33:08,313 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed.
[2020-07-20 17:33:08,313 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (and (< ~a24~0 2) (< ~a12~0 81)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)) (<= ~a21~0 9))
[2020-07-20 17:33:08,313 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed.
[2020-07-20 17:33:08,314 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed.
[2020-07-20 17:33:08,314 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (<= |old(~a24~0)| 1)) (and (< ~a24~0 2) (< ~a12~0 81)) (<= 7 ~a15~0) (<= ~a15~0 5) (not (<= (+ |old(~a12~0)| 49) 0)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a15~0)| 8)) (not (<= |old(~a21~0)| 7)) (not (<= 8 |old(~a15~0)|)) (<= ~a21~0 9))
[2020-07-20 17:33:08,314 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed.
[2020-07-20 17:33:08,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:33:08 BoogieIcfgContainer
[2020-07-20 17:33:08,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 17:33:08,339 INFO L168 Benchmark]: Toolchain (without parser) took 22126.93 ms. Allocated memory was 144.7 MB in the beginning and 518.0 MB in the end (delta: 373.3 MB). Free memory was 99.6 MB in the beginning and 366.0 MB in the end (delta: -266.4 MB). Peak memory consumption was 399.4 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,340 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.69 ms. Allocated memory was 144.7 MB in the beginning and 206.6 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 170.2 MB in the end (delta: -71.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,341 INFO L168 Benchmark]: Boogie Preprocessor took 149.29 ms. Allocated memory is still 206.6 MB. Free memory was 170.2 MB in the beginning and 164.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,342 INFO L168 Benchmark]: RCFGBuilder took 1700.20 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,343 INFO L168 Benchmark]: TraceAbstraction took 19313.61 ms. Allocated memory was 238.0 MB in the beginning and 518.0 MB in the end (delta: 280.0 MB). Free memory was 158.6 MB in the beginning and 366.0 MB in the end (delta: -207.4 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB.
[2020-07-20 17:33:08,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 956.69 ms. Allocated memory was 144.7 MB in the beginning and 206.6 MB in the end (delta: 61.9 MB). Free memory was 99.1 MB in the beginning and 170.2 MB in the end (delta: -71.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 149.29 ms. Allocated memory is still 206.6 MB. Free memory was 170.2 MB in the beginning and 164.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1700.20 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 19313.61 ms. Allocated memory was 238.0 MB in the beginning and 518.0 MB in the end (delta: 280.0 MB). Free memory was 158.6 MB in the beginning and 366.0 MB in the end (delta: -207.4 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 154]: 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: 880]: Loop Invariant
Derived loop invariant: ((((((((!(\old(a24) <= 1) || (a24 < 2 && a12 < 81)) || 7 <= a15) || a15 <= 5) || !(\old(a12) + 49 <= 0)) || !(7 <= \old(a21))) || !(\old(a15) <= 8)) || !(\old(a21) <= 7)) || !(8 <= \old(a15))) || a21 <= 9
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.0s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 526 SDtfs, 3536 SDslu, 228 SDs, 0 SdLazy, 6707 SolverSat, 1757 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2293 GetRequests, 2252 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2804occurred 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: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2442 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 56 PreInvPairs, 94 NumberOfFragments, 266 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3689 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1561 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2060 NumberOfCodeBlocks, 2060 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2274 ConstructedInterpolants, 0 QuantifiedInterpolants, 1821494 SizeOfPredicates, 18 NumberOfNonLiveVariables, 3505 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 2263/2347 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...