./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem10_label14.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d05d1de5597bdaeecbf29f7010022c1cc3574fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:05:14,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:05:14,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:05:14,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:05:14,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:05:14,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:05:14,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:05:14,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:05:14,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:05:14,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:05:14,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:05:14,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:05:14,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:05:14,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:05:14,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:05:14,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:05:14,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:05:14,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:05:14,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:05:14,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:05:14,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:05:14,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:05:14,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:05:14,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:05:14,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:05:14,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:05:14,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:05:14,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:05:14,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:05:14,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:05:14,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:05:14,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:05:14,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:05:14,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:05:14,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:05:14,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:05:14,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:05:14,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:05:14,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:05:14,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:05:14,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:05:14,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:05:14,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:05:14,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:05:14,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:05:14,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:05:14,808 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:05:14,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:05:14,809 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:05:14,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:05:14,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:05:14,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:05:14,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:05:14,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:05:14,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:05:14,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:05:14,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:05:14,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:05:14,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:05:14,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:05:14,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:05:14,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:05:14,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:05:14,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:05:14,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:05:14,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:05:14,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:05:14,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:05:14,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:05:14,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:05:14,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:05:14,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d05d1de5597bdaeecbf29f7010022c1cc3574fd [2019-11-28 16:05:15,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:05:15,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:05:15,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:05:15,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:05:15,172 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:05:15,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label14.c [2019-11-28 16:05:15,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6958bf057/84bb37c1170e475dbeae1f9fa25c029b/FLAG36e537eed [2019-11-28 16:05:15,864 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:05:15,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label14.c [2019-11-28 16:05:15,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6958bf057/84bb37c1170e475dbeae1f9fa25c029b/FLAG36e537eed [2019-11-28 16:05:16,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6958bf057/84bb37c1170e475dbeae1f9fa25c029b [2019-11-28 16:05:16,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:05:16,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:05:16,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:05:16,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:05:16,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:05:16,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee01756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16, skipping insertion in model container [2019-11-28 16:05:16,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:05:16,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:05:16,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:05:16,646 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:05:16,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:05:16,814 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:05:16,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16 WrapperNode [2019-11-28 16:05:16,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:05:16,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:05:16,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:05:16,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:05:16,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:05:16,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:05:16,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:05:16,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:05:16,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:16,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:17,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (1/1) ... [2019-11-28 16:05:17,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:05:17,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:05:17,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:05:17,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:05:17,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (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 [2019-11-28 16:05:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:05:17,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:05:18,336 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:05:18,336 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 16:05:18,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:18 BoogieIcfgContainer [2019-11-28 16:05:18,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:05:18,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:05:18,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:05:18,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:05:18,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:05:16" (1/3) ... [2019-11-28 16:05:18,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487a8c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:05:18, skipping insertion in model container [2019-11-28 16:05:18,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:05:16" (2/3) ... [2019-11-28 16:05:18,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487a8c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:05:18, skipping insertion in model container [2019-11-28 16:05:18,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:18" (3/3) ... [2019-11-28 16:05:18,349 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label14.c [2019-11-28 16:05:18,362 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:05:18,373 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:05:18,390 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:05:18,436 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:05:18,436 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:05:18,437 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:05:18,437 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:05:18,437 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:05:18,438 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:05:18,438 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:05:18,438 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:05:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-28 16:05:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 16:05:18,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:18,481 INFO L410 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] [2019-11-28 16:05:18,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:18,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:18,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1843609039, now seen corresponding path program 1 times [2019-11-28 16:05:18,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:18,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479950741] [2019-11-28 16:05:18,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:18,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479950741] [2019-11-28 16:05:18,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:18,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:05:18,825 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810884591] [2019-11-28 16:05:18,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:05:18,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:18,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:05:18,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:18,850 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-28 16:05:20,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:20,679 INFO L93 Difference]: Finished difference Result 694 states and 1246 transitions. [2019-11-28 16:05:20,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:05:20,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-28 16:05:20,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:20,700 INFO L225 Difference]: With dead ends: 694 [2019-11-28 16:05:20,701 INFO L226 Difference]: Without dead ends: 421 [2019-11-28 16:05:20,706 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-28 16:05:20,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-28 16:05:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-28 16:05:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-11-28 16:05:20,778 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 31 [2019-11-28 16:05:20,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:20,779 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-11-28 16:05:20,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:05:20,779 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-11-28 16:05:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-28 16:05:20,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:20,788 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:20,788 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:20,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:20,790 INFO L82 PathProgramCache]: Analyzing trace with hash 616624572, now seen corresponding path program 1 times [2019-11-28 16:05:20,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:20,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655097001] [2019-11-28 16:05:20,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:21,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655097001] [2019-11-28 16:05:21,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:21,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 16:05:21,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222584824] [2019-11-28 16:05:21,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 16:05:21,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:21,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 16:05:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:05:21,567 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 8 states. [2019-11-28 16:05:23,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:23,030 INFO L93 Difference]: Finished difference Result 715 states and 1090 transitions. [2019-11-28 16:05:23,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 16:05:23,031 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2019-11-28 16:05:23,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:23,035 INFO L225 Difference]: With dead ends: 715 [2019-11-28 16:05:23,035 INFO L226 Difference]: Without dead ends: 435 [2019-11-28 16:05:23,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 16:05:23,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2019-11-28 16:05:23,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 421. [2019-11-28 16:05:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-28 16:05:23,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 576 transitions. [2019-11-28 16:05:23,088 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 576 transitions. Word has length 146 [2019-11-28 16:05:23,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:23,091 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 576 transitions. [2019-11-28 16:05:23,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 16:05:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions. [2019-11-28 16:05:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-11-28 16:05:23,095 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:23,096 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:23,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:23,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:23,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1197128713, now seen corresponding path program 1 times [2019-11-28 16:05:23,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:23,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977065498] [2019-11-28 16:05:23,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:23,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977065498] [2019-11-28 16:05:23,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:23,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 16:05:23,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727303459] [2019-11-28 16:05:23,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 16:05:23,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:23,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 16:05:23,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:05:23,532 INFO L87 Difference]: Start difference. First operand 421 states and 576 transitions. Second operand 7 states. [2019-11-28 16:05:25,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:25,152 INFO L93 Difference]: Finished difference Result 991 states and 1446 transitions. [2019-11-28 16:05:25,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 16:05:25,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 212 [2019-11-28 16:05:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:25,167 INFO L225 Difference]: With dead ends: 991 [2019-11-28 16:05:25,167 INFO L226 Difference]: Without dead ends: 711 [2019-11-28 16:05:25,168 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:05:25,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2019-11-28 16:05:25,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 699. [2019-11-28 16:05:25,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-28 16:05:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 914 transitions. [2019-11-28 16:05:25,192 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 914 transitions. Word has length 212 [2019-11-28 16:05:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:25,193 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 914 transitions. [2019-11-28 16:05:25,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 16:05:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 914 transitions. [2019-11-28 16:05:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-28 16:05:25,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:25,199 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:25,200 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:25,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:25,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1537295179, now seen corresponding path program 1 times [2019-11-28 16:05:25,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:25,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100247680] [2019-11-28 16:05:25,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:25,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100247680] [2019-11-28 16:05:25,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:25,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 16:05:25,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269550527] [2019-11-28 16:05:25,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 16:05:25,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:25,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 16:05:25,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 16:05:25,386 INFO L87 Difference]: Start difference. First operand 699 states and 914 transitions. Second operand 5 states. [2019-11-28 16:05:26,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:26,919 INFO L93 Difference]: Finished difference Result 1535 states and 2110 transitions. [2019-11-28 16:05:26,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 16:05:26,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2019-11-28 16:05:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:26,925 INFO L225 Difference]: With dead ends: 1535 [2019-11-28 16:05:26,925 INFO L226 Difference]: Without dead ends: 699 [2019-11-28 16:05:26,927 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 16:05:26,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-11-28 16:05:26,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2019-11-28 16:05:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-28 16:05:26,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 774 transitions. [2019-11-28 16:05:26,942 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 774 transitions. Word has length 221 [2019-11-28 16:05:26,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:26,943 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 774 transitions. [2019-11-28 16:05:26,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 16:05:26,943 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 774 transitions. [2019-11-28 16:05:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-28 16:05:26,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:26,948 INFO L410 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, 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, 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] [2019-11-28 16:05:26,948 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:26,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:26,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1743086501, now seen corresponding path program 1 times [2019-11-28 16:05:26,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:26,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8443898] [2019-11-28 16:05:26,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:27,118 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8443898] [2019-11-28 16:05:27,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:05:27,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 16:05:27,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826876205] [2019-11-28 16:05:27,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:05:27,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:27,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:05:27,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:27,120 INFO L87 Difference]: Start difference. First operand 699 states and 774 transitions. Second operand 4 states. [2019-11-28 16:05:28,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:28,254 INFO L93 Difference]: Finished difference Result 1813 states and 2063 transitions. [2019-11-28 16:05:28,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:05:28,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 257 [2019-11-28 16:05:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:28,265 INFO L225 Difference]: With dead ends: 1813 [2019-11-28 16:05:28,267 INFO L226 Difference]: Without dead ends: 1116 [2019-11-28 16:05:28,269 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:05:28,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-28 16:05:28,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-11-28 16:05:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-11-28 16:05:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1243 transitions. [2019-11-28 16:05:28,313 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1243 transitions. Word has length 257 [2019-11-28 16:05:28,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:28,314 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1243 transitions. [2019-11-28 16:05:28,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:05:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1243 transitions. [2019-11-28 16:05:28,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-11-28 16:05:28,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:05:28,327 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:05:28,327 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:05:28,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:05:28,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1031152901, now seen corresponding path program 1 times [2019-11-28 16:05:28,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:05:28,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132008860] [2019-11-28 16:05:28,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:05:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:05:29,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132008860] [2019-11-28 16:05:29,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949935411] [2019-11-28 16:05:29,359 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 [2019-11-28 16:05:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:05:29,476 INFO L264 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-28 16:05:29,492 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:05:29,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,572 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,573 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,574 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,575 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,580 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,583 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,584 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,589 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,594 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,596 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,596 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,597 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,599 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:29,602 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:05:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 250 proven. 62 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-28 16:05:30,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 16:05:30,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 4] total 15 [2019-11-28 16:05:30,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515988108] [2019-11-28 16:05:30,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-28 16:05:30,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:05:30,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-28 16:05:30,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2019-11-28 16:05:30,258 INFO L87 Difference]: Start difference. First operand 1116 states and 1243 transitions. Second operand 16 states. [2019-11-28 16:05:38,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:05:38,767 INFO L93 Difference]: Finished difference Result 4907 states and 5646 transitions. [2019-11-28 16:05:38,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-11-28 16:05:38,774 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 330 [2019-11-28 16:05:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:05:38,775 INFO L225 Difference]: With dead ends: 4907 [2019-11-28 16:05:38,775 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:05:38,781 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 327 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2019-11-28 16:05:38,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:05:38,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:05:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:05:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:05:38,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 330 [2019-11-28 16:05:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:05:38,782 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:05:38,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-28 16:05:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:05:38,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:05:38,988 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:05:38,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:05:39,281 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2019-11-28 16:05:39,434 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2019-11-28 16:05:39,439 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-28 16:05:39,440 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,440 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,440 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,440 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,440 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,440 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,440 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-28 16:05:39,441 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-28 16:05:39,442 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-28 16:05:39,443 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-28 16:05:39,444 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,444 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,444 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,444 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,444 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,444 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-28 16:05:39,444 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-28 16:05:39,445 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,446 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,450 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-28 16:05:39,450 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-28 16:05:39,451 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-28 16:05:39,451 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-28 16:05:39,451 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-28 16:05:39,451 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-28 16:05:39,451 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse5 (= ~a19~0 9))) (let ((.cse1 (not (= ~a10~0 3))) (.cse2 (not (= ~a10~0 4))) (.cse3 (<= ~a1~0 218)) (.cse0 (<= ~a19~0 8)) (.cse4 (not .cse5))) (or (and (not (= ~a19~0 6)) .cse0) (and .cse1 .cse0 .cse2) (and .cse1 .cse3 .cse4 .cse2) (and (= 14 ~a4~0) .cse5 (= ~a12~0 0)) (and .cse3 .cse0) (and (= ~a10~0 1) .cse4)))) [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,452 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-28 16:05:39,453 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-28 16:05:39,454 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-28 16:05:39,454 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-28 16:05:39,454 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-28 16:05:39,454 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-28 16:05:39,454 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-28 16:05:39,454 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-28 16:05:39,454 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,454 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 16:05:39,455 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-28 16:05:39,456 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-28 16:05:39,456 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-28 16:05:39,456 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-28 16:05:39,456 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-28 16:05:39,456 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,458 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,458 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,458 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,458 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,459 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-28 16:05:39,462 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-28 16:05:39,462 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-28 16:05:39,462 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-28 16:05:39,462 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-28 16:05:39,462 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-28 16:05:39,462 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-28 16:05:39,463 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-28 16:05:39,463 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-28 16:05:39,463 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-28 16:05:39,463 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-28 16:05:39,463 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:05:39,463 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-28 16:05:39,463 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse5 (= ~a19~0 9))) (let ((.cse1 (not (= ~a10~0 3))) (.cse2 (not (= ~a10~0 4))) (.cse3 (<= ~a1~0 218)) (.cse0 (<= ~a19~0 8)) (.cse4 (not .cse5))) (or (and (not (= ~a19~0 6)) .cse0) (and .cse1 .cse0 .cse2) (and .cse1 .cse3 .cse4 .cse2) (and (= 14 ~a4~0) .cse5 (= ~a12~0 0)) (and .cse3 .cse0) (and (= ~a10~0 1) .cse4)))) [2019-11-28 16:05:39,464 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-28 16:05:39,464 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,466 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,467 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,467 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,467 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-28 16:05:39,467 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,467 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,468 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-28 16:05:39,468 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-28 16:05:39,468 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-28 16:05:39,468 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-28 16:05:39,468 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-28 16:05:39,468 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-28 16:05:39,468 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-28 16:05:39,469 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-28 16:05:39,469 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-28 16:05:39,469 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-28 16:05:39,469 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-28 16:05:39,470 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-28 16:05:39,470 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-28 16:05:39,470 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,470 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,470 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,470 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,470 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,471 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,471 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-28 16:05:39,471 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-28 16:05:39,471 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-28 16:05:39,471 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:05:39,471 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-28 16:05:39,471 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-28 16:05:39,472 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-28 16:05:39,472 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-28 16:05:39,472 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-28 16:05:39,472 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-28 16:05:39,472 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-28 16:05:39,472 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-28 16:05:39,472 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-28 16:05:39,473 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-28 16:05:39,473 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-28 16:05:39,473 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-28 16:05:39,473 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,473 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,473 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,474 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,474 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,474 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,474 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-28 16:05:39,474 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-28 16:05:39,474 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-28 16:05:39,474 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-28 16:05:39,475 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-28 16:05:39,475 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-28 16:05:39,475 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:05:39,475 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-28 16:05:39,476 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-28 16:05:39,476 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-28 16:05:39,477 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-28 16:05:39,477 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-28 16:05:39,477 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-28 16:05:39,477 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-28 16:05:39,477 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,477 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,478 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,478 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,478 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,478 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,478 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-28 16:05:39,478 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-28 16:05:39,478 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-28 16:05:39,479 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-28 16:05:39,479 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-28 16:05:39,479 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-28 16:05:39,484 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-28 16:05:39,485 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-28 16:05:39,485 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-28 16:05:39,485 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-28 16:05:39,485 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-28 16:05:39,485 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:05:39,486 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2019-11-28 16:05:39,486 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-28 16:05:39,486 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,486 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,486 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,486 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,487 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,487 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-28 16:05:39,487 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-28 16:05:39,487 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-28 16:05:39,487 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-28 16:05:39,487 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-28 16:05:39,487 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-28 16:05:39,488 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-28 16:05:39,488 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-28 16:05:39,488 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-28 16:05:39,488 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-28 16:05:39,488 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-28 16:05:39,488 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-28 16:05:39,488 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-28 16:05:39,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:05:39 BoogieIcfgContainer [2019-11-28 16:05:39,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:05:39,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:05:39,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:05:39,547 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:05:39,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:05:18" (3/4) ... [2019-11-28 16:05:39,556 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:05:39,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:05:39,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:05:39,837 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:05:39,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:05:39,839 INFO L168 Benchmark]: Toolchain (without parser) took 23730.43 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 631.8 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -60.1 MB). Peak memory consumption was 571.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:39,840 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:05:39,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:39,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:39,842 INFO L168 Benchmark]: Boogie Preprocessor took 92.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:05:39,842 INFO L168 Benchmark]: RCFGBuilder took 1330.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.3 MB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:39,843 INFO L168 Benchmark]: TraceAbstraction took 21205.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 496.0 MB). Free memory was 985.3 MB in the beginning and 1.0 GB in the end (delta: -63.2 MB). Peak memory consumption was 432.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:39,843 INFO L168 Benchmark]: Witness Printer took 291.27 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:05:39,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 704.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1330.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.3 MB in the end (delta: 105.3 MB). Peak memory consumption was 105.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21205.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 496.0 MB). Free memory was 985.3 MB in the beginning and 1.0 GB in the end (delta: -63.2 MB). Peak memory consumption was 432.8 MB. Max. memory is 11.5 GB. * Witness Printer took 291.27 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: (((((!(a19 == 6) && a19 <= 8) || ((!(a10 == 3) && a19 <= 8) && !(a10 == 4))) || (((!(a10 == 3) && a1 <= 218) && !(a19 == 9)) && !(a10 == 4))) || ((14 == a4 && a19 == 9) && a12 == 0)) || (a1 <= 218 && a19 <= 8)) || (a10 == 1 && !(a19 == 9)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((!(a19 == 6) && a19 <= 8) || ((!(a10 == 3) && a19 <= 8) && !(a10 == 4))) || (((!(a10 == 3) && a1 <= 218) && !(a19 == 9)) && !(a10 == 4))) || ((14 == a4 && a19 == 9) && a12 == 0)) || (a1 <= 218 && a19 <= 8)) || (a10 == 1 && !(a19 == 9)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 20.5s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 421 SDtfs, 3129 SDslu, 272 SDs, 0 SdLazy, 12456 SolverSat, 1447 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 334 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1116occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 165 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 93 NumberOfFragments, 125 HoareAnnotationTreeSize, 3 FomulaSimplifications, 13852 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 636 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1527 NumberOfCodeBlocks, 1527 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1520 ConstructedInterpolants, 73 QuantifiedInterpolants, 3048125 SizeOfPredicates, 4 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 727/1130 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...