./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label37.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_label37.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 b3ccc46b30bd9e1d865272aecfdf21618e4ebade ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:01:24,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:01:24,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:01:24,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:01:24,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:01:24,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:01:24,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:01:24,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:01:24,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:01:24,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:01:24,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:01:24,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:01:24,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:01:24,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:01:24,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:01:24,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:01:24,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:01:24,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:01:24,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:01:24,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:01:24,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:01:24,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:01:24,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:01:24,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:01:24,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:01:24,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:01:24,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:01:24,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:01:24,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:01:24,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:01:24,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:01:24,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:01:24,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:01:24,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:01:24,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:01:24,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:01:24,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:01:24,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:01:24,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:01:24,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:01:24,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:01:24,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:01:24,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:01:24,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:01:24,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:01:24,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:01:24,478 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:01:24,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:01:24,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:01:24,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:01:24,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:01:24,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:01:24,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:01:24,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:01:24,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:01:24,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:01:24,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:01:24,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:01:24,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:01:24,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:01:24,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:01:24,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:01:24,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:01:24,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:01:24,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:01:24,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:01:24,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:01:24,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:01:24,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:01:24,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:01:24,486 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 -> b3ccc46b30bd9e1d865272aecfdf21618e4ebade [2019-11-27 23:01:24,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:01:24,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:01:24,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:01:24,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:01:24,821 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:01:24,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label37.c [2019-11-27 23:01:24,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa604f3fd/6196b80e49d3433b9ba1f086ce0031ac/FLAG7b766c996 [2019-11-27 23:01:25,480 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:01:25,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label37.c [2019-11-27 23:01:25,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa604f3fd/6196b80e49d3433b9ba1f086ce0031ac/FLAG7b766c996 [2019-11-27 23:01:25,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa604f3fd/6196b80e49d3433b9ba1f086ce0031ac [2019-11-27 23:01:25,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:01:25,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:01:25,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:01:25,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:01:25,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:01:25,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:01:25" (1/1) ... [2019-11-27 23:01:25,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0487e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:25, skipping insertion in model container [2019-11-27 23:01:25,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:01:25" (1/1) ... [2019-11-27 23:01:25,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:01:25,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:01:26,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:01:26,326 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:01:26,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:01:26,455 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:01:26,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26 WrapperNode [2019-11-27 23:01:26,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:01:26,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:01:26,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:01:26,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:01:26,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:01:26,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:01:26,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:01:26,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:01:26,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (1/1) ... [2019-11-27 23:01:26,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:01:26,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:01:26,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:01:26,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:01:26,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (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 [2019-11-27 23:01:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:01:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:01:27,959 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:01:27,959 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 23:01:27,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:01:27 BoogieIcfgContainer [2019-11-27 23:01:27,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:01:27,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:01:27,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:01:27,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:01:27,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:01:25" (1/3) ... [2019-11-27 23:01:27,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5913fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:01:27, skipping insertion in model container [2019-11-27 23:01:27,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:01:26" (2/3) ... [2019-11-27 23:01:27,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5913fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:01:27, skipping insertion in model container [2019-11-27 23:01:27,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:01:27" (3/3) ... [2019-11-27 23:01:27,972 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c [2019-11-27 23:01:27,984 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:01:27,993 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:01:28,008 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:01:28,043 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:01:28,044 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:01:28,044 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:01:28,044 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:01:28,045 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:01:28,045 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:01:28,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:01:28,045 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:01:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-27 23:01:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-27 23:01:28,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:28,085 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:28,086 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:28,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:28,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2019-11-27 23:01:28,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:28,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752302054] [2019-11-27 23:01:28,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:28,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752302054] [2019-11-27 23:01:28,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:28,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:28,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850916296] [2019-11-27 23:01:28,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:28,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:28,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:28,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:28,529 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-27 23:01:30,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:30,143 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-27 23:01:30,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:30,145 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-11-27 23:01:30,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:30,164 INFO L225 Difference]: With dead ends: 709 [2019-11-27 23:01:30,164 INFO L226 Difference]: Without dead ends: 421 [2019-11-27 23:01:30,169 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 [2019-11-27 23:01:30,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-27 23:01:30,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-11-27 23:01:30,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-27 23:01:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2019-11-27 23:01:30,228 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 54 [2019-11-27 23:01:30,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:30,229 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2019-11-27 23:01:30,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2019-11-27 23:01:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-27 23:01:30,235 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:30,235 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, 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] [2019-11-27 23:01:30,235 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:30,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:30,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1381926164, now seen corresponding path program 1 times [2019-11-27 23:01:30,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:30,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607949009] [2019-11-27 23:01:30,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:30,449 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:30,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607949009] [2019-11-27 23:01:30,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:30,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:30,450 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155208272] [2019-11-27 23:01:30,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:30,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:30,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:30,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:30,453 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 4 states. [2019-11-27 23:01:31,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:31,403 INFO L93 Difference]: Finished difference Result 1118 states and 1640 transitions. [2019-11-27 23:01:31,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:31,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-11-27 23:01:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:31,410 INFO L225 Difference]: With dead ends: 1118 [2019-11-27 23:01:31,410 INFO L226 Difference]: Without dead ends: 838 [2019-11-27 23:01:31,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:31,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-27 23:01:31,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-27 23:01:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-27 23:01:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 970 transitions. [2019-11-27 23:01:31,454 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 970 transitions. Word has length 124 [2019-11-27 23:01:31,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:31,454 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 970 transitions. [2019-11-27 23:01:31,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 970 transitions. [2019-11-27 23:01:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-27 23:01:31,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:31,461 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, 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] [2019-11-27 23:01:31,464 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:31,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:31,464 INFO L82 PathProgramCache]: Analyzing trace with hash 624573956, now seen corresponding path program 1 times [2019-11-27 23:01:31,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:31,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583677656] [2019-11-27 23:01:31,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:31,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583677656] [2019-11-27 23:01:31,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855644607] [2019-11-27 23:01:31,792 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 [2019-11-27 23:01:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:31,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 23:01:31,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:01:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:31,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 23:01:31,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2019-11-27 23:01:31,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377654421] [2019-11-27 23:01:31,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 23:01:31,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:31,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 23:01:31,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:01:31,948 INFO L87 Difference]: Start difference. First operand 699 states and 970 transitions. Second operand 3 states. [2019-11-27 23:01:32,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:32,748 INFO L93 Difference]: Finished difference Result 1257 states and 1723 transitions. [2019-11-27 23:01:32,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 23:01:32,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-11-27 23:01:32,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:32,757 INFO L225 Difference]: With dead ends: 1257 [2019-11-27 23:01:32,758 INFO L226 Difference]: Without dead ends: 1255 [2019-11-27 23:01:32,759 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:01:32,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-11-27 23:01:32,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 838. [2019-11-27 23:01:32,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-11-27 23:01:32,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1178 transitions. [2019-11-27 23:01:32,796 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1178 transitions. Word has length 129 [2019-11-27 23:01:32,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:32,798 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1178 transitions. [2019-11-27 23:01:32,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 23:01:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1178 transitions. [2019-11-27 23:01:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-27 23:01:32,804 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:32,805 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, 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] [2019-11-27 23:01:33,008 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 23:01:33,008 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:33,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1945375884, now seen corresponding path program 1 times [2019-11-27 23:01:33,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:33,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138484304] [2019-11-27 23:01:33,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:01:33,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138484304] [2019-11-27 23:01:33,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:33,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 23:01:33,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339601119] [2019-11-27 23:01:33,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:33,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:33,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:33,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:33,212 INFO L87 Difference]: Start difference. First operand 838 states and 1178 transitions. Second operand 4 states. [2019-11-27 23:01:34,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:34,166 INFO L93 Difference]: Finished difference Result 2647 states and 3662 transitions. [2019-11-27 23:01:34,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:34,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2019-11-27 23:01:34,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:34,182 INFO L225 Difference]: With dead ends: 2647 [2019-11-27 23:01:34,182 INFO L226 Difference]: Without dead ends: 1811 [2019-11-27 23:01:34,185 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:34,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-11-27 23:01:34,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2019-11-27 23:01:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2019-11-27 23:01:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1620 transitions. [2019-11-27 23:01:34,247 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1620 transitions. Word has length 172 [2019-11-27 23:01:34,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:34,249 INFO L462 AbstractCegarLoop]: Abstraction has 1255 states and 1620 transitions. [2019-11-27 23:01:34,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1620 transitions. [2019-11-27 23:01:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-27 23:01:34,265 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:34,265 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:01:34,266 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:34,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1760218671, now seen corresponding path program 1 times [2019-11-27 23:01:34,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:34,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340138192] [2019-11-27 23:01:34,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-11-27 23:01:34,647 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340138192] [2019-11-27 23:01:34,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:34,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:34,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303047094] [2019-11-27 23:01:34,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:01:34,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:34,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:01:34,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:34,650 INFO L87 Difference]: Start difference. First operand 1255 states and 1620 transitions. Second operand 5 states. [2019-11-27 23:01:36,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:36,002 INFO L93 Difference]: Finished difference Result 4037 states and 5193 transitions. [2019-11-27 23:01:36,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:01:36,003 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 221 [2019-11-27 23:01:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:36,021 INFO L225 Difference]: With dead ends: 4037 [2019-11-27 23:01:36,022 INFO L226 Difference]: Without dead ends: 2784 [2019-11-27 23:01:36,025 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:01:36,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2019-11-27 23:01:36,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2228. [2019-11-27 23:01:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2019-11-27 23:01:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2779 transitions. [2019-11-27 23:01:36,089 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2779 transitions. Word has length 221 [2019-11-27 23:01:36,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:36,090 INFO L462 AbstractCegarLoop]: Abstraction has 2228 states and 2779 transitions. [2019-11-27 23:01:36,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:01:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2779 transitions. [2019-11-27 23:01:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-11-27 23:01:36,096 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:01:36,097 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, 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, 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] [2019-11-27 23:01:36,098 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:01:36,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:01:36,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1078472451, now seen corresponding path program 1 times [2019-11-27 23:01:36,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:01:36,099 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876269363] [2019-11-27 23:01:36,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:01:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:01:36,315 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2019-11-27 23:01:36,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876269363] [2019-11-27 23:01:36,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:01:36,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 23:01:36,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802233968] [2019-11-27 23:01:36,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 23:01:36,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:01:36,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 23:01:36,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:36,321 INFO L87 Difference]: Start difference. First operand 2228 states and 2779 transitions. Second operand 4 states. [2019-11-27 23:01:37,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:01:37,253 INFO L93 Difference]: Finished difference Result 5286 states and 6599 transitions. [2019-11-27 23:01:37,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:01:37,253 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 287 [2019-11-27 23:01:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:01:37,254 INFO L225 Difference]: With dead ends: 5286 [2019-11-27 23:01:37,254 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:01:37,260 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 23:01:37,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:01:37,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:01:37,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:01:37,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:01:37,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 287 [2019-11-27 23:01:37,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:01:37,262 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:01:37,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 23:01:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:01:37,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:01:37,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:01:37,468 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 22 [2019-11-27 23:01:37,585 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 22 [2019-11-27 23:01:37,589 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-27 23:01:37,589 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,590 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,590 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,590 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,590 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,590 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,590 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-27 23:01:37,590 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-27 23:01:37,591 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-27 23:01:37,592 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-27 23:01:37,593 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-27 23:01:37,594 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-27 23:01:37,595 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-27 23:01:37,595 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-27 23:01:37,595 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-27 23:01:37,595 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-27 23:01:37,595 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse1 (not (= ~a19~0 10)))) (or (= ~a19~0 9) (and .cse0 (not (= ~a10~0 4))) (and (<= ~a1~0 38) .cse1) (and .cse0 .cse1 (<= 8 ~a19~0)))) [2019-11-27 23:01:37,595 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,596 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-27 23:01:37,597 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-27 23:01:37,598 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-27 23:01:37,598 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-27 23:01:37,598 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-27 23:01:37,598 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-27 23:01:37,598 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,598 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,598 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,598 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-27 23:01:37,599 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-27 23:01:37,600 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-27 23:01:37,601 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-27 23:01:37,602 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-27 23:01:37,602 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:01:37,602 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-27 23:01:37,602 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse1 (not (= ~a19~0 10)))) (or (= ~a19~0 9) (and .cse0 (not (= ~a10~0 4))) (and (<= ~a1~0 38) .cse1) (and .cse0 .cse1 (<= 8 ~a19~0)))) [2019-11-27 23:01:37,602 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-27 23:01:37,602 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,602 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-27 23:01:37,603 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-27 23:01:37,604 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-27 23:01:37,604 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-27 23:01:37,604 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-27 23:01:37,604 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-27 23:01:37,604 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-27 23:01:37,604 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-27 23:01:37,604 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,605 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-27 23:01:37,606 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-27 23:01:37,607 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-27 23:01:37,608 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,617 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,617 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,617 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,617 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,617 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,617 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-27 23:01:37,617 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-27 23:01:37,618 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,619 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-27 23:01:37,620 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-27 23:01:37,621 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-27 23:01:37,623 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-27 23:01:37,623 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-27 23:01:37,623 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-27 23:01:37,623 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:01:37,623 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2019-11-27 23:01:37,623 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-27 23:01:37,624 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-27 23:01:37,625 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-27 23:01:37,625 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-27 23:01:37,625 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-27 23:01:37,625 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-27 23:01:37,625 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-27 23:01:37,625 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-27 23:01:37,625 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-27 23:01:37,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:01:37 BoogieIcfgContainer [2019-11-27 23:01:37,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:01:37,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:01:37,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:01:37,659 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:01:37,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:01:27" (3/4) ... [2019-11-27 23:01:37,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:01:37,699 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 23:01:37,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:01:37,896 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:01:37,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:01:37,898 INFO L168 Benchmark]: Toolchain (without parser) took 12155.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 959.0 MB in the beginning and 907.7 MB in the end (delta: 51.3 MB). Peak memory consumption was 379.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:37,898 INFO L168 Benchmark]: CDTParser took 0.62 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. [2019-11-27 23:01:37,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:37,900 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.02 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:37,900 INFO L168 Benchmark]: Boogie Preprocessor took 83.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:37,901 INFO L168 Benchmark]: RCFGBuilder took 1322.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:37,901 INFO L168 Benchmark]: TraceAbstraction took 9695.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 992.2 MB in the beginning and 926.7 MB in the end (delta: 65.5 MB). Peak memory consumption was 255.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:37,902 INFO L168 Benchmark]: Witness Printer took 237.65 ms. Allocated memory is still 1.4 GB. Free memory was 926.7 MB in the beginning and 907.7 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-11-27 23:01:37,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 712.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.02 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1322.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9695.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 992.2 MB in the beginning and 926.7 MB in the end (delta: 65.5 MB). Peak memory consumption was 255.8 MB. Max. memory is 11.5 GB. * Witness Printer took 237.65 ms. Allocated memory is still 1.4 GB. Free memory was 926.7 MB in the beginning and 907.7 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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 == 9 || (!(a10 == 3) && !(a10 == 4))) || (a1 <= 38 && !(a19 == 10))) || ((!(a10 == 3) && !(a19 == 10)) && 8 <= a19) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a19 == 9 || (!(a10 == 3) && !(a10 == 4))) || (a1 <= 38 && !(a19 == 10))) || ((!(a10 == 3) && !(a19 == 10)) && 8 <= a19) - 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: 9.2s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 199 SDtfs, 1658 SDslu, 55 SDs, 0 SdLazy, 3650 SolverSat, 820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 135 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1807 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 50 NumberOfFragments, 67 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1348 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1124 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1116 NumberOfCodeBlocks, 1116 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 619340 SizeOfPredicates, 1 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 736/737 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...