java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23.c
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 17:52:41,069 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 17:52:41,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 17:52:41,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 17:52:41,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 17:52:41,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 17:52:41,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 17:52:41,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 17:52:41,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 17:52:41,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 17:52:41,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 17:52:41,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 17:52:41,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 17:52:41,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
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[2019-10-13 17:52:41,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 17:52:41,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 17:52:41,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 17:52:41,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 17:52:41,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 17:52:41,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 17:52:41,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 17:52:41,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 17:52:41,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 17:52:41,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-13 17:52:41,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 17:52:41,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 17:52:41,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2019-10-13 17:52:41,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-10-13 17:52:41,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-13 17:52:41,129 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
[2019-10-13 17:52:41,156 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 17:52:41,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 17:52:41,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 17:52:41,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 17:52:41,158 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 17:52:41,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 17:52:41,158 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 17:52:41,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 17:52:41,159 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 17:52:41,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 17:52:41,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 17:52:41,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 17:52:41,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 17:52:41,160 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 17:52:41,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 17:52:41,160 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 17:52:41,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 17:52:41,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 17:52:41,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 17:52:41,161 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 17:52:41,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 17:52:41,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 17:52:41,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 17:52:41,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 17:52:41,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 17:52:41,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 17:52:41,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 17:52:41,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 17:52:41,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-10-13 17:52:41,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 17:52:41,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 17:52:41,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 17:52:41,491 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 17:52:41,492 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 17:52:41,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23.c
[2019-10-13 17:52:41,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de0a949d/a10fe11ae3cd43dfb72f6e598bbf6494/FLAGfca14d420
[2019-10-13 17:52:42,180 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 17:52:42,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label23.c
[2019-10-13 17:52:42,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de0a949d/a10fe11ae3cd43dfb72f6e598bbf6494/FLAGfca14d420
[2019-10-13 17:52:42,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de0a949d/a10fe11ae3cd43dfb72f6e598bbf6494
[2019-10-13 17:52:42,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 17:52:42,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 17:52:42,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 17:52:42,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 17:52:42,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 17:52:42,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:42" (1/1) ...
[2019-10-13 17:52:42,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486e466c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:42, skipping insertion in model container
[2019-10-13 17:52:42,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:52:42" (1/1) ...
[2019-10-13 17:52:42,543 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 17:52:42,596 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 17:52:43,101 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 17:52:43,118 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 17:52:43,258 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 17:52:43,278 INFO L192 MainTranslator]: Completed translation
[2019-10-13 17:52:43,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43 WrapperNode
[2019-10-13 17:52:43,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 17:52:43,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 17:52:43,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 17:52:43,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 17:52:43,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
[2019-10-13 17:52:43,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
[2019-10-13 17:52:43,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
[2019-10-13 17:52:43,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
[2019-10-13 17:52:43,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
[2019-10-13 17:52:43,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
[2019-10-13 17:52:43,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
[2019-10-13 17:52:43,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 17:52:43,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 17:52:43,377 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 17:52:43,377 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 17:52:43,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 17:52:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 17:52:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 17:52:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output
[2019-10-13 17:52:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 17:52:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output
[2019-10-13 17:52:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 17:52:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 17:52:43,442 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2019-10-13 17:52:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 17:52:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 17:52:43,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 17:52:44,630 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 17:52:44,631 INFO L284 CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-13 17:52:44,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:44 BoogieIcfgContainer
[2019-10-13 17:52:44,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 17:52:44,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 17:52:44,642 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 17:52:44,646 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 17:52:44,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:52:42" (1/3) ...
[2019-10-13 17:52:44,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8046319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:44, skipping insertion in model container
[2019-10-13 17:52:44,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:52:43" (2/3) ...
[2019-10-13 17:52:44,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8046319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:52:44, skipping insertion in model container
[2019-10-13 17:52:44,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:52:44" (3/3) ...
[2019-10-13 17:52:44,662 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label23.c
[2019-10-13 17:52:44,675 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 17:52:44,687 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 17:52:44,702 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 17:52:44,745 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 17:52:44,746 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 17:52:44,747 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 17:52:44,748 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 17:52:44,748 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 17:52:44,748 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 17:52:44,748 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 17:52:44,749 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 17:52:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states.
[2019-10-13 17:52:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2019-10-13 17:52:44,803 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 17:52:44,804 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 17:52:44,806 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 17:52:44,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 17:52:44,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1083972551, now seen corresponding path program 1 times
[2019-10-13 17:52:44,822 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 17:52:44,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498411680]
[2019-10-13 17:52:44,823 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:44,823 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:44,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 17:52:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 17:52:45,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498411680]
[2019-10-13 17:52:45,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 17:52:45,402 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 17:52:45,402 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325041057]
[2019-10-13 17:52:45,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 17:52:45,407 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 17:52:45,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 17:52:45,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2019-10-13 17:52:45,424 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states.
[2019-10-13 17:52:46,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 17:52:46,987 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions.
[2019-10-13 17:52:46,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2019-10-13 17:52:46,989 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101
[2019-10-13 17:52:46,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 17:52:47,005 INFO L225 Difference]: With dead ends: 557
[2019-10-13 17:52:47,005 INFO L226 Difference]: Without dead ends: 286
[2019-10-13 17:52:47,013 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2019-10-13 17:52:47,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2019-10-13 17:52:47,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280.
[2019-10-13 17:52:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states.
[2019-10-13 17:52:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions.
[2019-10-13 17:52:47,139 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 101
[2019-10-13 17:52:47,140 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 17:52:47,140 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions.
[2019-10-13 17:52:47,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 17:52:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions.
[2019-10-13 17:52:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2019-10-13 17:52:47,147 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 17:52:47,147 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 17:52:47,148 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 17:52:47,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 17:52:47,148 INFO L82 PathProgramCache]: Analyzing trace with hash -322237296, now seen corresponding path program 1 times
[2019-10-13 17:52:47,148 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 17:52:47,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710717001]
[2019-10-13 17:52:47,149 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:47,149 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:47,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 17:52:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 17:52:47,338 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710717001]
[2019-10-13 17:52:47,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 17:52:47,339 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-10-13 17:52:47,339 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248006682]
[2019-10-13 17:52:47,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-10-13 17:52:47,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 17:52:47,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-10-13 17:52:47,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2019-10-13 17:52:47,343 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states.
[2019-10-13 17:52:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 17:52:48,809 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions.
[2019-10-13 17:52:48,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2019-10-13 17:52:48,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111
[2019-10-13 17:52:48,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 17:52:48,815 INFO L225 Difference]: With dead ends: 713
[2019-10-13 17:52:48,815 INFO L226 Difference]: Without dead ends: 439
[2019-10-13 17:52:48,817 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156
[2019-10-13 17:52:48,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states.
[2019-10-13 17:52:48,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421.
[2019-10-13 17:52:48,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states.
[2019-10-13 17:52:48,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions.
[2019-10-13 17:52:48,869 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 111
[2019-10-13 17:52:48,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 17:52:48,870 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions.
[2019-10-13 17:52:48,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-10-13 17:52:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions.
[2019-10-13 17:52:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2019-10-13 17:52:48,882 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 17:52:48,883 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 17:52:48,883 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 17:52:48,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 17:52:48,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1277669234, now seen corresponding path program 1 times
[2019-10-13 17:52:48,885 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 17:52:48,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94875552]
[2019-10-13 17:52:48,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:48,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:48,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 17:52:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 17:52:49,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94875552]
[2019-10-13 17:52:49,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17587110]
[2019-10-13 17:52:49,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 17:52:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:49,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjunts are in the unsatisfiable core
[2019-10-13 17:52:49,364 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 17:52:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 17:52:49,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2019-10-13 17:52:49,433 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8
[2019-10-13 17:52:49,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283879324]
[2019-10-13 17:52:49,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 17:52:49,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 17:52:49,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 17:52:49,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2019-10-13 17:52:49,435 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states.
[2019-10-13 17:52:49,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 17:52:49,984 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions.
[2019-10-13 17:52:49,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 17:52:49,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112
[2019-10-13 17:52:49,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 17:52:49,994 INFO L225 Difference]: With dead ends: 1247
[2019-10-13 17:52:49,994 INFO L226 Difference]: Without dead ends: 832
[2019-10-13 17:52:49,996 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2019-10-13 17:52:49,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states.
[2019-10-13 17:52:50,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832.
[2019-10-13 17:52:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states.
[2019-10-13 17:52:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions.
[2019-10-13 17:52:50,030 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 112
[2019-10-13 17:52:50,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 17:52:50,030 INFO L462 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions.
[2019-10-13 17:52:50,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 17:52:50,031 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions.
[2019-10-13 17:52:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2019-10-13 17:52:50,034 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 17:52:50,034 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 17:52:50,239 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 17:52:50,240 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 17:52:50,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 17:52:50,240 INFO L82 PathProgramCache]: Analyzing trace with hash 125802458, now seen corresponding path program 1 times
[2019-10-13 17:52:50,240 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 17:52:50,241 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43185997]
[2019-10-13 17:52:50,241 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:50,242 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:50,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 17:52:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 17:52:50,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43185997]
[2019-10-13 17:52:50,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278486607]
[2019-10-13 17:52:50,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 17:52:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:50,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjunts are in the unsatisfiable core
[2019-10-13 17:52:50,586 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 17:52:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 17:52:50,642 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2019-10-13 17:52:50,642 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2019-10-13 17:52:50,642 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142192514]
[2019-10-13 17:52:50,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 17:52:50,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 17:52:50,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 17:52:50,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-10-13 17:52:50,645 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states.
[2019-10-13 17:52:51,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 17:52:51,257 INFO L93 Difference]: Finished difference Result 2343 states and 3200 transitions.
[2019-10-13 17:52:51,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 17:52:51,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118
[2019-10-13 17:52:51,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 17:52:51,267 INFO L225 Difference]: With dead ends: 2343
[2019-10-13 17:52:51,267 INFO L226 Difference]: Without dead ends: 1517
[2019-10-13 17:52:51,269 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-10-13 17:52:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states.
[2019-10-13 17:52:51,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517.
[2019-10-13 17:52:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1517 states.
[2019-10-13 17:52:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 2006 transitions.
[2019-10-13 17:52:51,329 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 2006 transitions. Word has length 118
[2019-10-13 17:52:51,330 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 17:52:51,330 INFO L462 AbstractCegarLoop]: Abstraction has 1517 states and 2006 transitions.
[2019-10-13 17:52:51,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 17:52:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 2006 transitions.
[2019-10-13 17:52:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2019-10-13 17:52:51,336 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 17:52:51,336 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 17:52:51,541 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 17:52:51,541 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 17:52:51,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 17:52:51,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1148353872, now seen corresponding path program 1 times
[2019-10-13 17:52:51,542 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL
[2019-10-13 17:52:51,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477327386]
[2019-10-13 17:52:51,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:51,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 17:52:51,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 17:52:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 17:52:51,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477327386]
[2019-10-13 17:52:51,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789861563]
[2019-10-13 17:52:51,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 17:52:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 17:52:51,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 8 conjunts are in the unsatisfiable core
[2019-10-13 17:52:51,857 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 17:52:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 17:52:51,909 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2019-10-13 17:52:51,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7
[2019-10-13 17:52:51,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102126872]
[2019-10-13 17:52:51,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 17:52:51,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-10-13 17:52:51,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 17:52:51,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2019-10-13 17:52:51,911 INFO L87 Difference]: Start difference. First operand 1517 states and 2006 transitions. Second operand 7 states.
[2019-10-13 17:52:54,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 17:52:54,113 INFO L93 Difference]: Finished difference Result 6114 states and 8764 transitions.
[2019-10-13 17:52:54,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2019-10-13 17:52:54,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127
[2019-10-13 17:52:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 17:52:54,115 INFO L225 Difference]: With dead ends: 6114
[2019-10-13 17:52:54,115 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 17:52:54,127 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2019-10-13 17:52:54,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 17:52:54,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 17:52:54,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 17:52:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 17:52:54,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127
[2019-10-13 17:52:54,129 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 17:52:54,129 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 17:52:54,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 17:52:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 17:52:54,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 17:52:54,332 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 17:52:54,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 17:52:55,072 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 38
[2019-10-13 17:52:55,199 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 17:52:55,200 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|))
[2019-10-13 17:52:55,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 17:52:55,200 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,200 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,201 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed.
[2019-10-13 17:52:55,202 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed.
[2019-10-13 17:52:55,202 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed.
[2019-10-13 17:52:55,202 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed.
[2019-10-13 17:52:55,202 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed.
[2019-10-13 17:52:55,202 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed.
[2019-10-13 17:52:55,202 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,202 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,203 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,204 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed.
[2019-10-13 17:52:55,204 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed.
[2019-10-13 17:52:55,204 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed.
[2019-10-13 17:52:55,204 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed.
[2019-10-13 17:52:55,204 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed.
[2019-10-13 17:52:55,204 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed.
[2019-10-13 17:52:55,204 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,205 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,205 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,205 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,205 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,205 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,205 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed.
[2019-10-13 17:52:55,205 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,206 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,206 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,206 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,206 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,206 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,206 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,206 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed.
[2019-10-13 17:52:55,207 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed.
[2019-10-13 17:52:55,207 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed.
[2019-10-13 17:52:55,207 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed.
[2019-10-13 17:52:55,207 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed.
[2019-10-13 17:52:55,207 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed.
[2019-10-13 17:52:55,207 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,207 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed.
[2019-10-13 17:52:55,208 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,209 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,210 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,211 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,211 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed.
[2019-10-13 17:52:55,211 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed.
[2019-10-13 17:52:55,211 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed.
[2019-10-13 17:52:55,211 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed.
[2019-10-13 17:52:55,211 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed.
[2019-10-13 17:52:55,211 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,212 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed.
[2019-10-13 17:52:55,213 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,214 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed.
[2019-10-13 17:52:55,215 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed.
[2019-10-13 17:52:55,216 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,216 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,216 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,216 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,216 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,216 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,216 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,217 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,217 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,217 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,217 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,217 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed.
[2019-10-13 17:52:55,217 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed.
[2019-10-13 17:52:55,217 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed.
[2019-10-13 17:52:55,218 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed.
[2019-10-13 17:52:55,218 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed.
[2019-10-13 17:52:55,218 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,218 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)))) (and (or (not (<= |old(~a8~0)| 13)) .cse0) (or (not (<= |old(~a7~0)| 0)) .cse0) (or .cse0 (not (<= |old(~a17~0)| 0))) (or .cse0 (= 1 |old(~a20~0)|)) (or (not (<= 5 |old(~a16~0)|)) .cse0)))
[2019-10-13 17:52:55,218 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,218 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,219 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,219 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,219 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,219 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed.
[2019-10-13 17:52:55,219 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,219 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,220 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,220 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,220 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed.
[2019-10-13 17:52:55,220 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed.
[2019-10-13 17:52:55,220 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed.
[2019-10-13 17:52:55,220 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed.
[2019-10-13 17:52:55,220 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed.
[2019-10-13 17:52:55,221 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed.
[2019-10-13 17:52:55,221 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,221 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,221 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,221 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,221 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,221 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,222 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,222 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,222 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,222 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,222 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,222 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,222 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,223 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed.
[2019-10-13 17:52:55,223 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed.
[2019-10-13 17:52:55,223 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed.
[2019-10-13 17:52:55,223 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed.
[2019-10-13 17:52:55,223 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed.
[2019-10-13 17:52:55,223 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,224 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed.
[2019-10-13 17:52:55,225 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,226 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,226 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed.
[2019-10-13 17:52:55,226 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 17:52:55,226 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (<= 5 ~a16~0) (<= ~a7~0 0))
[2019-10-13 17:52:55,226 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 17:52:55,226 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 17:52:55,226 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0)))
[2019-10-13 17:52:55,226 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed.
[2019-10-13 17:52:55,226 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= 5 ~a16~0) (<= ~a8~0 13) (<= ~a7~0 0) (not (= ~a20~0 1)))
[2019-10-13 17:52:55,226 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed.
[2019-10-13 17:52:55,227 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed.
[2019-10-13 17:52:55,227 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a16~0)| 5)) (<= ~a17~0 0) (not (<= |old(~a7~0)| 0)) (<= 5 ~a16~0) (<= ~a8~0 13) (<= ~a7~0 0) (not (= ~a20~0 1)))
[2019-10-13 17:52:55,227 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed.
[2019-10-13 17:52:55,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:52:55 BoogieIcfgContainer
[2019-10-13 17:52:55,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 17:52:55,245 INFO L168 Benchmark]: Toolchain (without parser) took 12722.91 ms. Allocated memory was 139.5 MB in the beginning and 399.0 MB in the end (delta: 259.5 MB). Free memory was 101.5 MB in the beginning and 338.1 MB in the end (delta: -236.6 MB). Peak memory consumption was 232.5 MB. Max. memory is 7.1 GB.
[2019-10-13 17:52:55,245 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 139.5 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2019-10-13 17:52:55,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.51 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 101.5 MB in the beginning and 171.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB.
[2019-10-13 17:52:55,247 INFO L168 Benchmark]: Boogie Preprocessor took 97.45 ms. Allocated memory is still 205.5 MB. Free memory was 171.3 MB in the beginning and 166.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
[2019-10-13 17:52:55,248 INFO L168 Benchmark]: RCFGBuilder took 1261.06 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 166.3 MB in the beginning and 180.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB.
[2019-10-13 17:52:55,249 INFO L168 Benchmark]: TraceAbstraction took 10602.67 ms. Allocated memory was 239.6 MB in the beginning and 399.0 MB in the end (delta: 159.4 MB). Free memory was 180.8 MB in the beginning and 338.1 MB in the end (delta: -157.3 MB). Peak memory consumption was 211.6 MB. Max. memory is 7.1 GB.
[2019-10-13 17:52:55,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.47 ms. Allocated memory is still 139.5 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 753.51 ms. Allocated memory was 139.5 MB in the beginning and 205.5 MB in the end (delta: 66.1 MB). Free memory was 101.5 MB in the beginning and 171.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 97.45 ms. Allocated memory is still 205.5 MB. Free memory was 171.3 MB in the beginning and 166.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1261.06 ms. Allocated memory was 205.5 MB in the beginning and 239.6 MB in the end (delta: 34.1 MB). Free memory was 166.3 MB in the beginning and 180.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 10602.67 ms. Allocated memory was 239.6 MB in the beginning and 399.0 MB in the end (delta: 159.4 MB). Free memory was 180.8 MB in the beginning and 338.1 MB in the end (delta: -157.3 MB). Peak memory consumption was 211.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 461]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 583]: Loop Invariant
Derived loop invariant: ((((((!(5 <= \old(a16)) || !(\old(a16) <= 5)) || a17 <= 0) || !(\old(a7) <= 0)) || 5 <= a16) || a8 <= 13) || a7 <= 0) || !(a20 == 1)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 10.4s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 505 SDtfs, 1830 SDslu, 150 SDs, 0 SdLazy, 3205 SolverSat, 706 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 416 GetRequests, 377 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1517occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 167 NumberOfFragments, 279 HoareAnnotationTreeSize, 75 FomulaSimplifications, 9618 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2622 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 926 NumberOfCodeBlocks, 926 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 360009 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1059 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 71/97 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...