/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 BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c
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This is Ultimate 0.1.25-d623d84
[2020-07-21 01:26:42,037 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-21 01:26:42,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-21 01:26:42,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-21 01:26:42,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-21 01:26:42,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-21 01:26:42,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-21 01:26:42,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-21 01:26:42,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-21 01:26:42,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-21 01:26:42,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-21 01:26:42,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-21 01:26:42,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-21 01:26:42,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-21 01:26:42,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-21 01:26:42,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-21 01:26:42,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-21 01:26:42,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-21 01:26:42,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-21 01:26:42,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-21 01:26:42,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-21 01:26:42,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-21 01:26:42,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-21 01:26:42,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-21 01:26:42,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-21 01:26:42,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-21 01:26:42,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-21 01:26:42,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-21 01:26:42,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-21 01:26:42,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-21 01:26:42,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-21 01:26:42,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-21 01:26:42,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2020-07-21 01:26:42,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-21 01:26:42,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-21 01:26:42,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-21 01:26:42,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-21 01:26:42,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-21 01:26:42,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-21 01:26:42,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-21 01:26:42,126 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
[2020-07-21 01:26:42,146 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-21 01:26:42,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-21 01:26:42,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-21 01:26:42,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-21 01:26:42,148 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-21 01:26:42,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-21 01:26:42,148 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-21 01:26:42,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-21 01:26:42,149 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-21 01:26:42,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-21 01:26:42,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-21 01:26:42,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-21 01:26:42,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-21 01:26:42,151 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-21 01:26:42,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-21 01:26:42,151 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-21 01:26:42,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-21 01:26:42,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-21 01:26:42,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-21 01:26:42,152 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-21 01:26:42,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-21 01:26:42,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-21 01:26:42,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-21 01:26:42,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-21 01:26:42,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-21 01:26:42,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-21 01:26:42,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:42,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-21 01:26:42,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-21 01:26:42,154 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 -> BIGGEST_EQUIVALENCE_CLASS
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
[2020-07-21 01:26:42,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-21 01:26:42,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-21 01:26:42,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-21 01:26:42,459 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-21 01:26:42,459 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-21 01:26:42,460 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label04.c
[2020-07-21 01:26:42,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fcc5d32/0413632e95d4401a8a1e3fca526d29fa/FLAG265b43b22
[2020-07-21 01:26:43,082 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-21 01:26:43,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label04.c
[2020-07-21 01:26:43,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fcc5d32/0413632e95d4401a8a1e3fca526d29fa/FLAG265b43b22
[2020-07-21 01:26:43,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fcc5d32/0413632e95d4401a8a1e3fca526d29fa
[2020-07-21 01:26:43,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-21 01:26:43,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-21 01:26:43,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-21 01:26:43,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-21 01:26:43,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-21 01:26:43,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:26:43" (1/1) ...
[2020-07-21 01:26:43,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ebe572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:43, skipping insertion in model container
[2020-07-21 01:26:43,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:26:43" (1/1) ...
[2020-07-21 01:26:43,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-21 01:26:43,437 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-21 01:26:43,992 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 01:26:43,998 INFO L203 MainTranslator]: Completed pre-run
[2020-07-21 01:26:44,093 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-21 01:26:44,108 INFO L208 MainTranslator]: Completed translation
[2020-07-21 01:26:44,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44 WrapperNode
[2020-07-21 01:26:44,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-21 01:26:44,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-21 01:26:44,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-21 01:26:44,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-21 01:26:44,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (1/1) ...
[2020-07-21 01:26:44,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (1/1) ...
[2020-07-21 01:26:44,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (1/1) ...
[2020-07-21 01:26:44,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (1/1) ...
[2020-07-21 01:26:44,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (1/1) ...
[2020-07-21 01:26:44,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (1/1) ...
[2020-07-21 01:26:44,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (1/1) ...
[2020-07-21 01:26:44,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-21 01:26:44,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-21 01:26:44,211 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-21 01:26:44,213 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-21 01:26:44,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (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
[2020-07-21 01:26:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-21 01:26:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-21 01:26:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2020-07-21 01:26:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-21 01:26:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2020-07-21 01:26:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-21 01:26:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-21 01:26:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-07-21 01:26:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-21 01:26:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-21 01:26:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-21 01:26:45,581 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-21 01:26:45,582 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-21 01:26:45,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:26:45 BoogieIcfgContainer
[2020-07-21 01:26:45,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-21 01:26:45,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-21 01:26:45,590 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-21 01:26:45,594 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-21 01:26:45,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:26:43" (1/3) ...
[2020-07-21 01:26:45,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e104880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:26:45, skipping insertion in model container
[2020-07-21 01:26:45,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:26:44" (2/3) ...
[2020-07-21 01:26:45,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e104880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:26:45, skipping insertion in model container
[2020-07-21 01:26:45,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:26:45" (3/3) ...
[2020-07-21 01:26:45,598 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label04.c
[2020-07-21 01:26:45,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-21 01:26:45,619 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-21 01:26:45,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-21 01:26:45,662 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-21 01:26:45,663 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-21 01:26:45,663 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-21 01:26:45,663 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-21 01:26:45,663 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-21 01:26:45,664 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-21 01:26:45,664 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-21 01:26:45,664 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-21 01:26:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states.
[2020-07-21 01:26:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-07-21 01:26:45,697 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 01:26:45,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:45,698 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:45,705 INFO L82 PathProgramCache]: Analyzing trace with hash -460870769, now seen corresponding path program 1 times
[2020-07-21 01:26:45,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:45,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533320727]
[2020-07-21 01:26:45,715 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
[2020-07-21 01:26:45,902 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 01:26:45,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:45,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-21 01:26:45,929 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:46,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-21 01:26:46,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533320727]
[2020-07-21 01:26:46,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-21 01:26:46,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-21 01:26:46,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542334155]
[2020-07-21 01:26:46,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-21 01:26:46,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:46,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-21 01:26:46,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 01:26:46,062 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states.
[2020-07-21 01:26:47,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:47,117 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions.
[2020-07-21 01:26:47,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-21 01:26:47,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72
[2020-07-21 01:26:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:47,135 INFO L225 Difference]: With dead ends: 571
[2020-07-21 01:26:47,135 INFO L226 Difference]: Without dead ends: 294
[2020-07-21 01:26:47,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-21 01:26:47,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states.
[2020-07-21 01:26:47,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2020-07-21 01:26:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-07-21 01:26:47,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 391 transitions.
[2020-07-21 01:26:47,218 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 391 transitions. Word has length 72
[2020-07-21 01:26:47,219 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:47,219 INFO L479 AbstractCegarLoop]: Abstraction has 294 states and 391 transitions.
[2020-07-21 01:26:47,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-21 01:26:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 391 transitions.
[2020-07-21 01:26:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-07-21 01:26:47,232 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 01:26:47,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:47,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:47,434 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:47,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:47,436 INFO L82 PathProgramCache]: Analyzing trace with hash -2048937230, now seen corresponding path program 1 times
[2020-07-21 01:26:47,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:47,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855717133]
[2020-07-21 01:26:47,437 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
[2020-07-21 01:26:47,544 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-21 01:26:47,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:47,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-21 01:26:47,552 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-21 01:26:47,644 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-21 01:26:47,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855717133]
[2020-07-21 01:26:47,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-07-21 01:26:47,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2020-07-21 01:26:47,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729953134]
[2020-07-21 01:26:47,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-21 01:26:47,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:47,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-21 01:26:47,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2020-07-21 01:26:47,754 INFO L87 Difference]: Start difference. First operand 294 states and 391 transitions. Second operand 4 states.
[2020-07-21 01:26:48,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:48,519 INFO L93 Difference]: Finished difference Result 586 states and 784 transitions.
[2020-07-21 01:26:48,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-07-21 01:26:48,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142
[2020-07-21 01:26:48,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:48,525 INFO L225 Difference]: With dead ends: 586
[2020-07-21 01:26:48,525 INFO L226 Difference]: Without dead ends: 584
[2020-07-21 01:26:48,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2020-07-21 01:26:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states.
[2020-07-21 01:26:48,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584.
[2020-07-21 01:26:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states.
[2020-07-21 01:26:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 782 transitions.
[2020-07-21 01:26:48,560 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 782 transitions. Word has length 142
[2020-07-21 01:26:48,561 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:48,561 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 782 transitions.
[2020-07-21 01:26:48,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-21 01:26:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 782 transitions.
[2020-07-21 01:26:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2020-07-21 01:26:48,572 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 01:26:48,573 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:48,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:48,776 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:48,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:48,777 INFO L82 PathProgramCache]: Analyzing trace with hash 173580762, now seen corresponding path program 1 times
[2020-07-21 01:26:48,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:48,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1358135591]
[2020-07-21 01:26:48,780 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
[2020-07-21 01:26:48,921 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 01:26:48,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:48,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-21 01:26:48,931 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:48,980 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term
[2020-07-21 01:26:48,981 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-21 01:26:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:49,088 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:49,174 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:49,175 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:49,177 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 1] term
[2020-07-21 01:26:49,178 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts
[2020-07-21 01:26:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:49,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1358135591]
[2020-07-21 01:26:49,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:49,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-21 01:26:49,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106921112]
[2020-07-21 01:26:49,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 01:26:49,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:49,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 01:26:49,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-21 01:26:49,367 INFO L87 Difference]: Start difference. First operand 584 states and 782 transitions. Second operand 6 states.
[2020-07-21 01:26:50,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:50,422 INFO L93 Difference]: Finished difference Result 1323 states and 1815 transitions.
[2020-07-21 01:26:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-07-21 01:26:50,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 261
[2020-07-21 01:26:50,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:50,428 INFO L225 Difference]: With dead ends: 1323
[2020-07-21 01:26:50,429 INFO L226 Difference]: Without dead ends: 745
[2020-07-21 01:26:50,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 516 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-21 01:26:50,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states.
[2020-07-21 01:26:50,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 739.
[2020-07-21 01:26:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states.
[2020-07-21 01:26:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1006 transitions.
[2020-07-21 01:26:50,464 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1006 transitions. Word has length 261
[2020-07-21 01:26:50,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:50,465 INFO L479 AbstractCegarLoop]: Abstraction has 739 states and 1006 transitions.
[2020-07-21 01:26:50,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 01:26:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1006 transitions.
[2020-07-21 01:26:50,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268
[2020-07-21 01:26:50,471 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-21 01:26:50,471 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-21 01:26:50,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:50,685 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-21 01:26:50,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-21 01:26:50,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1604137490, now seen corresponding path program 1 times
[2020-07-21 01:26:50,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-21 01:26:50,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236421714]
[2020-07-21 01:26:50,687 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
[2020-07-21 01:26:50,810 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-21 01:26:50,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-21 01:26:50,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-07-21 01:26:50,816 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-21 01:26:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:50,963 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-21 01:26:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 198 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-21 01:26:51,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236421714]
[2020-07-21 01:26:51,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-21 01:26:51,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6
[2020-07-21 01:26:51,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487773913]
[2020-07-21 01:26:51,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-21 01:26:51,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-21 01:26:51,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-21 01:26:51,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-07-21 01:26:51,171 INFO L87 Difference]: Start difference. First operand 739 states and 1006 transitions. Second operand 6 states.
[2020-07-21 01:26:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-21 01:26:52,257 INFO L93 Difference]: Finished difference Result 1641 states and 2276 transitions.
[2020-07-21 01:26:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-07-21 01:26:52,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 267
[2020-07-21 01:26:52,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-21 01:26:52,259 INFO L225 Difference]: With dead ends: 1641
[2020-07-21 01:26:52,259 INFO L226 Difference]: Without dead ends: 0
[2020-07-21 01:26:52,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 530 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-07-21 01:26:52,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-21 01:26:52,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-21 01:26:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-21 01:26:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-21 01:26:52,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267
[2020-07-21 01:26:52,269 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-21 01:26:52,269 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-21 01:26:52,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-21 01:26:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-21 01:26:52,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-21 01:26:52,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-21 01:26:52,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-21 01:26:52,850 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-21 01:26:52,850 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (or (< |old(~a19~0)| 7) (< 6 ~a19~0)))
[2020-07-21 01:26:52,851 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-21 01:26:52,851 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,851 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,851 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,851 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,851 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,851 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,852 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,852 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,852 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,852 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed.
[2020-07-21 01:26:52,852 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed.
[2020-07-21 01:26:52,852 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-07-21 01:26:52,852 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed.
[2020-07-21 01:26:52,853 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-07-21 01:26:52,853 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-07-21 01:26:52,853 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,853 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,853 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,854 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,854 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,854 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,854 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,854 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,854 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,854 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,855 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,855 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,855 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed.
[2020-07-21 01:26:52,856 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed.
[2020-07-21 01:26:52,856 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed.
[2020-07-21 01:26:52,857 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed.
[2020-07-21 01:26:52,859 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-07-21 01:26:52,859 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,860 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,860 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,860 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,860 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed.
[2020-07-21 01:26:52,862 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,862 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed.
[2020-07-21 01:26:52,863 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,864 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,865 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,865 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,865 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,865 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,865 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,868 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,868 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,869 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed.
[2020-07-21 01:26:52,870 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,871 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,872 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,873 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,874 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,875 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,876 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,877 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,878 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (<= ~a10~0 |old(~a10~0)|)) (.cse2 (<= |old(~a10~0)| ~a10~0))) (let ((.cse0 (and .cse1 .cse2))) (and (or .cse0 (not (<= |old(~a10~0)| 0))) (or .cse0 (not (<= 2 |old(~a10~0)|))) (or (and .cse1 .cse2 (< 6 ~a19~0)) (not (< 6 |old(~a19~0)|))))))
[2020-07-21 01:26:52,878 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,878 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,878 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,878 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,878 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,878 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,878 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed.
[2020-07-21 01:26:52,879 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-07-21 01:26:52,880 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,880 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,880 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,880 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,880 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,880 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,881 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,881 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,881 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,881 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,881 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,881 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,881 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,882 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,882 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,882 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed.
[2020-07-21 01:26:52,882 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-07-21 01:26:52,882 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-07-21 01:26:52,882 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed.
[2020-07-21 01:26:52,882 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-07-21 01:26:52,883 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-07-21 01:26:52,883 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,883 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,883 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,883 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,884 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,884 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,884 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,884 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,884 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed.
[2020-07-21 01:26:52,884 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,884 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,885 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,885 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed.
[2020-07-21 01:26:52,885 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed.
[2020-07-21 01:26:52,885 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed.
[2020-07-21 01:26:52,885 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed.
[2020-07-21 01:26:52,885 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-07-21 01:26:52,886 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-07-21 01:26:52,886 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,886 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,886 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed.
[2020-07-21 01:26:52,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-21 01:26:52,886 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (< 6 ~a19~0))
[2020-07-21 01:26:52,887 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-21 01:26:52,887 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-21 01:26:52,887 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= ~a10~0 |old(~a10~0)|) (<= |old(~a10~0)| ~a10~0) (< 6 ~a19~0)) (not (< 6 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)))
[2020-07-21 01:26:52,887 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed.
[2020-07-21 01:26:52,887 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= ~a10~0 0) (not (< 6 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (< 6 ~a19~0) (<= 2 ~a10~0))
[2020-07-21 01:26:52,887 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed.
[2020-07-21 01:26:52,888 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed.
[2020-07-21 01:26:52,888 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= ~a10~0 0) (not (< 6 |old(~a19~0)|)) (not (<= |old(~a10~0)| 0)) (< 6 ~a19~0) (<= 2 ~a10~0))
[2020-07-21 01:26:52,888 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed.
[2020-07-21 01:26:52,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:26:52 BoogieIcfgContainer
[2020-07-21 01:26:52,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-21 01:26:52,909 INFO L168 Benchmark]: Toolchain (without parser) took 9533.82 ms. Allocated memory was 146.8 MB in the beginning and 367.0 MB in the end (delta: 220.2 MB). Free memory was 103.1 MB in the beginning and 117.5 MB in the end (delta: -14.4 MB). Peak memory consumption was 205.8 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:52,910 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 146.8 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-21 01:26:52,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.19 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 102.9 MB in the beginning and 172.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:52,912 INFO L168 Benchmark]: Boogie Preprocessor took 100.59 ms. Allocated memory is still 206.6 MB. Free memory was 172.5 MB in the beginning and 167.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:52,913 INFO L168 Benchmark]: RCFGBuilder took 1377.52 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 180.2 MB in the end (delta: -12.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:52,914 INFO L168 Benchmark]: TraceAbstraction took 7316.39 ms. Allocated memory was 238.0 MB in the beginning and 367.0 MB in the end (delta: 129.0 MB). Free memory was 180.2 MB in the beginning and 117.5 MB in the end (delta: 62.7 MB). Peak memory consumption was 191.7 MB. Max. memory is 7.1 GB.
[2020-07-21 01:26:52,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.48 ms. Allocated memory is still 146.8 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 732.19 ms. Allocated memory was 146.8 MB in the beginning and 206.6 MB in the end (delta: 59.8 MB). Free memory was 102.9 MB in the beginning and 172.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 100.59 ms. Allocated memory is still 206.6 MB. Free memory was 172.5 MB in the beginning and 167.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1377.52 ms. Allocated memory was 206.6 MB in the beginning and 238.0 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 180.2 MB in the end (delta: -12.4 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 7316.39 ms. Allocated memory was 238.0 MB in the beginning and 367.0 MB in the end (delta: 129.0 MB). Free memory was 180.2 MB in the beginning and 117.5 MB in the end (delta: 62.7 MB). Peak memory consumption was 191.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 202]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 582]: Loop Invariant
Derived loop invariant: (((a10 <= 0 || !(6 < \old(a19))) || !(\old(a10) <= 0)) || 6 < a19) || 2 <= a10
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 178 SDtfs, 984 SDslu, 91 SDs, 0 SdLazy, 2233 SolverSat, 659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1418 GetRequests, 1395 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=739occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 25 PreInvPairs, 43 NumberOfFragments, 117 HoareAnnotationTreeSize, 25 FomulaSimplifications, 162 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 283 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 742 NumberOfCodeBlocks, 613 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1405 ConstructedInterpolants, 0 QuantifiedInterpolants, 1128317 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1165 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 860/930 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...