./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/Problem01_label09.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee5ec8e7e176485b3680dac42e8f859f73658000 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:29:34,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:29:34,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:29:35,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:29:35,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:29:35,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:29:35,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:29:35,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:29:35,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:29:35,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:29:35,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:29:35,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:29:35,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:29:35,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:29:35,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:29:35,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:29:35,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:29:35,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:29:35,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:29:35,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:29:35,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:29:35,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:29:35,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:29:35,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:29:35,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:29:35,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:29:35,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:29:35,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:29:35,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:29:35,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:29:35,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:29:35,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:29:35,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:29:35,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:29:35,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:29:35,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:29:35,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:29:35,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:29:35,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:29:35,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:29:35,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:29:35,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:29:35,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:29:35,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:29:35,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:29:35,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:29:35,138 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:29:35,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:29:35,139 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:29:35,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:29:35,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:29:35,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:29:35,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:29:35,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:29:35,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:29:35,141 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:29:35,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:29:35,141 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:29:35,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:29:35,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:29:35,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:29:35,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:29:35,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:29:35,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:29:35,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:29:35,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:29:35,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:29:35,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:29:35,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:29:35,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:29:35,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:29:35,145 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(reach_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 -> ee5ec8e7e176485b3680dac42e8f859f73658000 [2020-10-19 22:29:35,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:29:35,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:29:35,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:29:35,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:29:35,357 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:29:35,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label09.c [2020-10-19 22:29:35,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e0721e9/22a990e8664d4c1f92dc17bb898cecff/FLAG53caa3c9c [2020-10-19 22:29:36,095 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:29:36,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label09.c [2020-10-19 22:29:36,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e0721e9/22a990e8664d4c1f92dc17bb898cecff/FLAG53caa3c9c [2020-10-19 22:29:36,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e0721e9/22a990e8664d4c1f92dc17bb898cecff [2020-10-19 22:29:36,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:29:36,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:29:36,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:36,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:29:36,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:29:36,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:36" (1/1) ... [2020-10-19 22:29:36,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ca2e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:36, skipping insertion in model container [2020-10-19 22:29:36,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:36" (1/1) ... [2020-10-19 22:29:36,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:29:36,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:29:36,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:37,002 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:29:37,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:37,156 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:29:37,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37 WrapperNode [2020-10-19 22:29:37,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:37,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:37,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:29:37,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:29:37,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:37,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:29:37,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:29:37,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:29:37,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... [2020-10-19 22:29:37,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:29:37,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:29:37,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:29:37,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:29:37,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:29:37,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:29:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:29:37,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:29:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:29:38,776 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:29:38,777 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:29:38,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:38 BoogieIcfgContainer [2020-10-19 22:29:38,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:29:38,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:29:38,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:29:38,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:29:38,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:29:36" (1/3) ... [2020-10-19 22:29:38,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb1a2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:38, skipping insertion in model container [2020-10-19 22:29:38,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:37" (2/3) ... [2020-10-19 22:29:38,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb1a2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:38, skipping insertion in model container [2020-10-19 22:29:38,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:38" (3/3) ... [2020-10-19 22:29:38,793 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label09.c [2020-10-19 22:29:38,806 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:29:38,818 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:29:38,834 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:29:38,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:29:38,874 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:29:38,875 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:29:38,876 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:29:38,876 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:29:38,876 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:29:38,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:29:38,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:29:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-19 22:29:38,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-19 22:29:38,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:38,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:38,927 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:38,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:38,935 INFO L82 PathProgramCache]: Analyzing trace with hash -286092569, now seen corresponding path program 1 times [2020-10-19 22:29:38,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:38,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976739467] [2020-10-19 22:29:38,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:39,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976739467] [2020-10-19 22:29:39,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:39,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:39,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891178659] [2020-10-19 22:29:39,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:39,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:39,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:39,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:39,413 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-19 22:29:40,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:40,385 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-19 22:29:40,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:40,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-10-19 22:29:40,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:40,404 INFO L225 Difference]: With dead ends: 529 [2020-10-19 22:29:40,404 INFO L226 Difference]: Without dead ends: 266 [2020-10-19 22:29:40,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:40,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-19 22:29:40,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-19 22:29:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-19 22:29:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-10-19 22:29:40,475 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 118 [2020-10-19 22:29:40,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:40,477 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-10-19 22:29:40,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-10-19 22:29:40,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 22:29:40,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:40,481 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:40,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:29:40,481 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:40,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:40,482 INFO L82 PathProgramCache]: Analyzing trace with hash -2013666879, now seen corresponding path program 1 times [2020-10-19 22:29:40,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:40,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685378985] [2020-10-19 22:29:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:40,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685378985] [2020-10-19 22:29:40,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:40,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:40,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098701360] [2020-10-19 22:29:40,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:40,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:40,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:40,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:40,588 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-10-19 22:29:41,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:41,155 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-10-19 22:29:41,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:41,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-19 22:29:41,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:41,160 INFO L225 Difference]: With dead ends: 792 [2020-10-19 22:29:41,160 INFO L226 Difference]: Without dead ends: 528 [2020-10-19 22:29:41,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:41,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-19 22:29:41,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-10-19 22:29:41,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-19 22:29:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 720 transitions. [2020-10-19 22:29:41,197 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 720 transitions. Word has length 123 [2020-10-19 22:29:41,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:41,198 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 720 transitions. [2020-10-19 22:29:41,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 720 transitions. [2020-10-19 22:29:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-19 22:29:41,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:41,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:41,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:29:41,204 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1476559362, now seen corresponding path program 1 times [2020-10-19 22:29:41,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:41,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301854293] [2020-10-19 22:29:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-19 22:29:41,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301854293] [2020-10-19 22:29:41,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:41,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:41,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879560555] [2020-10-19 22:29:41,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:41,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:41,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:41,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:41,281 INFO L87 Difference]: Start difference. First operand 528 states and 720 transitions. Second operand 3 states. [2020-10-19 22:29:41,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:41,816 INFO L93 Difference]: Finished difference Result 1578 states and 2155 transitions. [2020-10-19 22:29:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:41,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-10-19 22:29:41,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:41,824 INFO L225 Difference]: With dead ends: 1578 [2020-10-19 22:29:41,824 INFO L226 Difference]: Without dead ends: 1052 [2020-10-19 22:29:41,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:41,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-10-19 22:29:41,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2020-10-19 22:29:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-19 22:29:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1364 transitions. [2020-10-19 22:29:41,862 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1364 transitions. Word has length 133 [2020-10-19 22:29:41,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:41,862 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1364 transitions. [2020-10-19 22:29:41,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:41,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1364 transitions. [2020-10-19 22:29:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-19 22:29:41,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:41,868 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:41,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:29:41,869 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:41,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:41,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1292878968, now seen corresponding path program 1 times [2020-10-19 22:29:41,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:41,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042671037] [2020-10-19 22:29:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-19 22:29:41,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042671037] [2020-10-19 22:29:41,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:41,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:41,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454340904] [2020-10-19 22:29:41,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:41,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:41,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:41,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:41,961 INFO L87 Difference]: Start difference. First operand 1052 states and 1364 transitions. Second operand 3 states. [2020-10-19 22:29:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:42,600 INFO L93 Difference]: Finished difference Result 2888 states and 3759 transitions. [2020-10-19 22:29:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:42,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-10-19 22:29:42,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:42,610 INFO L225 Difference]: With dead ends: 2888 [2020-10-19 22:29:42,610 INFO L226 Difference]: Without dead ends: 1838 [2020-10-19 22:29:42,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:42,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-10-19 22:29:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-10-19 22:29:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-19 22:29:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1645 transitions. [2020-10-19 22:29:42,648 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1645 transitions. Word has length 138 [2020-10-19 22:29:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:42,648 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1645 transitions. [2020-10-19 22:29:42,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1645 transitions. [2020-10-19 22:29:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-19 22:29:42,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:42,653 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:42,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:29:42,654 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:42,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:42,654 INFO L82 PathProgramCache]: Analyzing trace with hash -168867304, now seen corresponding path program 1 times [2020-10-19 22:29:42,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:42,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805879266] [2020-10-19 22:29:42,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:42,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805879266] [2020-10-19 22:29:42,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:42,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:42,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113274312] [2020-10-19 22:29:42,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:42,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:42,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:42,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:42,772 INFO L87 Difference]: Start difference. First operand 1314 states and 1645 transitions. Second operand 3 states. [2020-10-19 22:29:43,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:43,512 INFO L93 Difference]: Finished difference Result 3805 states and 4774 transitions. [2020-10-19 22:29:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:43,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-10-19 22:29:43,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:43,532 INFO L225 Difference]: With dead ends: 3805 [2020-10-19 22:29:43,533 INFO L226 Difference]: Without dead ends: 2493 [2020-10-19 22:29:43,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:43,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-10-19 22:29:43,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2100. [2020-10-19 22:29:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-10-19 22:29:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2568 transitions. [2020-10-19 22:29:43,637 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2568 transitions. Word has length 141 [2020-10-19 22:29:43,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:43,638 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2568 transitions. [2020-10-19 22:29:43,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2568 transitions. [2020-10-19 22:29:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-19 22:29:43,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:43,648 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:43,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:29:43,649 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:43,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:43,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1097106674, now seen corresponding path program 1 times [2020-10-19 22:29:43,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:43,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065392100] [2020-10-19 22:29:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-19 22:29:43,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065392100] [2020-10-19 22:29:43,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:43,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:43,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84722289] [2020-10-19 22:29:43,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:43,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:43,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:43,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:43,733 INFO L87 Difference]: Start difference. First operand 2100 states and 2568 transitions. Second operand 3 states. [2020-10-19 22:29:44,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:44,338 INFO L93 Difference]: Finished difference Result 4460 states and 5414 transitions. [2020-10-19 22:29:44,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:44,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-10-19 22:29:44,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:44,349 INFO L225 Difference]: With dead ends: 4460 [2020-10-19 22:29:44,350 INFO L226 Difference]: Without dead ends: 2231 [2020-10-19 22:29:44,353 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-10-19 22:29:44,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2231. [2020-10-19 22:29:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-10-19 22:29:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2493 transitions. [2020-10-19 22:29:44,403 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2493 transitions. Word has length 145 [2020-10-19 22:29:44,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:44,408 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2493 transitions. [2020-10-19 22:29:44,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2493 transitions. [2020-10-19 22:29:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-19 22:29:44,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:44,414 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:44,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:29:44,415 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:44,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:44,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1871493012, now seen corresponding path program 1 times [2020-10-19 22:29:44,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:44,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672307444] [2020-10-19 22:29:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:44,526 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-19 22:29:44,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672307444] [2020-10-19 22:29:44,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:44,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:44,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631823533] [2020-10-19 22:29:44,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:29:44,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:44,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:29:44,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:29:44,530 INFO L87 Difference]: Start difference. First operand 2231 states and 2493 transitions. Second operand 4 states. [2020-10-19 22:29:45,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:45,406 INFO L93 Difference]: Finished difference Result 4591 states and 5145 transitions. [2020-10-19 22:29:45,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:29:45,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-19 22:29:45,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:45,424 INFO L225 Difference]: With dead ends: 4591 [2020-10-19 22:29:45,425 INFO L226 Difference]: Without dead ends: 2493 [2020-10-19 22:29:45,430 INFO L677 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 [2020-10-19 22:29:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-10-19 22:29:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2100. [2020-10-19 22:29:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-10-19 22:29:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2313 transitions. [2020-10-19 22:29:45,546 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2313 transitions. Word has length 149 [2020-10-19 22:29:45,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:45,551 INFO L481 AbstractCegarLoop]: Abstraction has 2100 states and 2313 transitions. [2020-10-19 22:29:45,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:29:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2313 transitions. [2020-10-19 22:29:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-19 22:29:45,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:45,563 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:29:45,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:29:45,564 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:45,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:45,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1397886840, now seen corresponding path program 1 times [2020-10-19 22:29:45,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:45,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792723999] [2020-10-19 22:29:45,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-19 22:29:45,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792723999] [2020-10-19 22:29:45,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:45,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:45,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955231599] [2020-10-19 22:29:45,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:45,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:45,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:45,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:45,698 INFO L87 Difference]: Start difference. First operand 2100 states and 2313 transitions. Second operand 3 states. [2020-10-19 22:29:46,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:46,336 INFO L93 Difference]: Finished difference Result 4984 states and 5534 transitions. [2020-10-19 22:29:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:46,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-10-19 22:29:46,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:46,351 INFO L225 Difference]: With dead ends: 4984 [2020-10-19 22:29:46,352 INFO L226 Difference]: Without dead ends: 3017 [2020-10-19 22:29:46,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:46,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-10-19 22:29:46,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2624. [2020-10-19 22:29:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-10-19 22:29:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2927 transitions. [2020-10-19 22:29:46,437 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2927 transitions. Word has length 158 [2020-10-19 22:29:46,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:46,437 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2927 transitions. [2020-10-19 22:29:46,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:46,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2927 transitions. [2020-10-19 22:29:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-19 22:29:46,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:46,444 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2020-10-19 22:29:46,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:29:46,445 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:46,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:46,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1266267216, now seen corresponding path program 1 times [2020-10-19 22:29:46,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:46,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499572987] [2020-10-19 22:29:46,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-19 22:29:46,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499572987] [2020-10-19 22:29:46,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:46,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:46,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457991711] [2020-10-19 22:29:46,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:46,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:46,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:46,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:46,524 INFO L87 Difference]: Start difference. First operand 2624 states and 2927 transitions. Second operand 3 states. [2020-10-19 22:29:46,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:46,945 INFO L93 Difference]: Finished difference Result 5508 states and 6148 transitions. [2020-10-19 22:29:46,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:46,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-10-19 22:29:46,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:46,960 INFO L225 Difference]: With dead ends: 5508 [2020-10-19 22:29:46,961 INFO L226 Difference]: Without dead ends: 2886 [2020-10-19 22:29:46,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:46,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-10-19 22:29:47,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2886. [2020-10-19 22:29:47,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2020-10-19 22:29:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3203 transitions. [2020-10-19 22:29:47,036 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3203 transitions. Word has length 174 [2020-10-19 22:29:47,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:47,037 INFO L481 AbstractCegarLoop]: Abstraction has 2886 states and 3203 transitions. [2020-10-19 22:29:47,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:47,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3203 transitions. [2020-10-19 22:29:47,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-19 22:29:47,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:47,044 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2020-10-19 22:29:47,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 22:29:47,045 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:47,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:47,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1741710570, now seen corresponding path program 1 times [2020-10-19 22:29:47,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:47,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228855417] [2020-10-19 22:29:47,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 65 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-10-19 22:29:47,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228855417] [2020-10-19 22:29:47,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078476208] [2020-10-19 22:29:47,134 INFO L95 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 [2020-10-19 22:29:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:47,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:47,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-19 22:29:47,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:47,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:47,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663919943] [2020-10-19 22:29:47,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:47,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:47,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:47,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:47,371 INFO L87 Difference]: Start difference. First operand 2886 states and 3203 transitions. Second operand 3 states. [2020-10-19 22:29:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:47,926 INFO L93 Difference]: Finished difference Result 6425 states and 7173 transitions. [2020-10-19 22:29:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:47,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-10-19 22:29:47,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:47,945 INFO L225 Difference]: With dead ends: 6425 [2020-10-19 22:29:47,946 INFO L226 Difference]: Without dead ends: 3672 [2020-10-19 22:29:47,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2020-10-19 22:29:48,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3148. [2020-10-19 22:29:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3148 states. [2020-10-19 22:29:48,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 3486 transitions. [2020-10-19 22:29:48,057 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 3486 transitions. Word has length 178 [2020-10-19 22:29:48,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:48,058 INFO L481 AbstractCegarLoop]: Abstraction has 3148 states and 3486 transitions. [2020-10-19 22:29:48,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3486 transitions. [2020-10-19 22:29:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-19 22:29:48,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:48,067 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:29:48,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-19 22:29:48,283 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:48,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:48,283 INFO L82 PathProgramCache]: Analyzing trace with hash 2044168189, now seen corresponding path program 1 times [2020-10-19 22:29:48,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:48,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399324554] [2020-10-19 22:29:48,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-19 22:29:48,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399324554] [2020-10-19 22:29:48,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325782619] [2020-10-19 22:29:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:48,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:48,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:48,612 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-19 22:29:48,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:48,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:48,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202277307] [2020-10-19 22:29:48,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:48,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:48,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:48,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:48,615 INFO L87 Difference]: Start difference. First operand 3148 states and 3486 transitions. Second operand 3 states. [2020-10-19 22:29:49,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:49,245 INFO L93 Difference]: Finished difference Result 6161 states and 6835 transitions. [2020-10-19 22:29:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:49,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-10-19 22:29:49,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:49,248 INFO L225 Difference]: With dead ends: 6161 [2020-10-19 22:29:49,248 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:29:49,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:49,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:29:49,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:29:49,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:29:49,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:29:49,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2020-10-19 22:29:49,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:49,260 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:29:49,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:29:49,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:29:49,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:49,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:29:49,597 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2020-10-19 22:29:49,742 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-10-19 22:29:49,855 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2020-10-19 22:29:49,860 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,860 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,861 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,861 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,861 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,862 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,862 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-19 22:29:49,862 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-19 22:29:49,862 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-19 22:29:49,863 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-19 22:29:49,863 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-19 22:29:49,863 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-19 22:29:49,863 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-19 22:29:49,864 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-19 22:29:49,864 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-19 22:29:49,864 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-19 22:29:49,864 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:29:49,865 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-19 22:29:49,865 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-19 22:29:49,865 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,865 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,866 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,866 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,866 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,866 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,866 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-19 22:29:49,866 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-19 22:29:49,867 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-19 22:29:49,867 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-19 22:29:49,867 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-19 22:29:49,867 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-19 22:29:49,867 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-19 22:29:49,868 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-19 22:29:49,868 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-19 22:29:49,868 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-19 22:29:49,868 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,868 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,868 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,869 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,869 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,869 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,869 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-19 22:29:49,869 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-19 22:29:49,870 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-19 22:29:49,870 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-19 22:29:49,870 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-19 22:29:49,870 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-19 22:29:49,870 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-19 22:29:49,870 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-19 22:29:49,871 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-19 22:29:49,871 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-19 22:29:49,871 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-19 22:29:49,871 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-19 22:29:49,871 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-19 22:29:49,872 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-19 22:29:49,872 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-19 22:29:49,872 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,872 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,873 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,873 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,873 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,873 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-19 22:29:49,874 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-19 22:29:49,874 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-19 22:29:49,874 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-19 22:29:49,874 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-19 22:29:49,874 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-19 22:29:49,875 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-19 22:29:49,875 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-19 22:29:49,875 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-19 22:29:49,876 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1))) (or (and (<= 14 ~a8~0) .cse0) (and .cse1 (= ~a17~0 1)) (<= ~a16~0 4) (and .cse0 (= ~a7~0 0)) (and .cse2 .cse1) (and (= ~a21~0 1) .cse2) (<= 15 ~a8~0))) [2020-10-19 22:29:49,876 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,876 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,876 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,877 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,877 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,877 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-19 22:29:49,877 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-19 22:29:49,877 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-19 22:29:49,877 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-19 22:29:49,878 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-19 22:29:49,878 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-19 22:29:49,878 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-19 22:29:49,878 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-19 22:29:49,878 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-19 22:29:49,878 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-19 22:29:49,879 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-19 22:29:49,879 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-19 22:29:49,879 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-19 22:29:49,879 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-19 22:29:49,879 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,880 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,880 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,880 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,880 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,880 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-19 22:29:49,880 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-19 22:29:49,881 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-19 22:29:49,881 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-19 22:29:49,881 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-19 22:29:49,881 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-19 22:29:49,881 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-19 22:29:49,881 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-19 22:29:49,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:29:49,882 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-19 22:29:49,882 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,882 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,882 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,882 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,883 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-19 22:29:49,883 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,883 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-19 22:29:49,883 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-19 22:29:49,883 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-19 22:29:49,883 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-19 22:29:49,884 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-19 22:29:49,884 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-19 22:29:49,884 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-19 22:29:49,884 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-19 22:29:49,884 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-19 22:29:49,884 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-19 22:29:49,885 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-19 22:29:49,885 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-19 22:29:49,885 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-19 22:29:49,885 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,886 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 5)) (.cse1 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1))) (or (and (<= 14 ~a8~0) .cse0) (and .cse1 (= ~a17~0 1)) (<= ~a16~0 4) (and .cse0 (= ~a7~0 0)) (and .cse2 .cse1) (and (= ~a21~0 1) .cse2) (<= 15 ~a8~0))) [2020-10-19 22:29:49,886 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,886 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,886 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,887 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,887 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-19 22:29:49,887 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-19 22:29:49,887 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-19 22:29:49,887 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-19 22:29:49,888 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-19 22:29:49,888 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-19 22:29:49,888 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-19 22:29:49,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:29:49,889 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-19 22:29:49,889 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,889 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,890 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,890 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,890 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,890 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-19 22:29:49,891 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-19 22:29:49,891 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-19 22:29:49,891 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-19 22:29:49,891 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-19 22:29:49,892 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-19 22:29:49,892 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-19 22:29:49,892 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-19 22:29:49,892 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-19 22:29:49,893 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-19 22:29:49,893 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:29:49,893 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-19 22:29:49,893 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-19 22:29:49,894 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,894 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,894 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,894 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,895 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-19 22:29:49,895 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,895 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,895 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-19 22:29:49,896 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-19 22:29:49,896 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-19 22:29:49,896 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-19 22:29:49,897 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-19 22:29:49,897 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-19 22:29:49,897 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-19 22:29:49,897 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-19 22:29:49,898 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-19 22:29:49,898 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-19 22:29:49,898 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-19 22:29:49,898 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-19 22:29:49,899 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:29:49,899 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:29:49,899 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,900 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,900 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,900 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,900 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,901 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-19 22:29:49,901 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:49,901 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-19 22:29:49,901 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-19 22:29:49,902 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-19 22:29:49,902 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-19 22:29:49,902 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-19 22:29:49,902 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-19 22:29:49,903 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-19 22:29:49,903 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-19 22:29:49,903 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-19 22:29:49,903 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-19 22:29:49,904 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-19 22:29:49,904 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-19 22:29:49,904 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-19 22:29:49,904 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-19 22:29:49,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:29:49 BoogieIcfgContainer [2020-10-19 22:29:49,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:29:49,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:29:49,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:29:49,934 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:29:49,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:38" (3/4) ... [2020-10-19 22:29:49,938 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:29:49,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:29:49,967 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:29:49,969 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:49,971 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:50,184 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:29:50,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:29:50,186 INFO L168 Benchmark]: Toolchain (without parser) took 13758.70 ms. Allocated memory was 40.4 MB in the beginning and 142.1 MB in the end (delta: 101.7 MB). Free memory was 16.6 MB in the beginning and 48.4 MB in the end (delta: -31.7 MB). Peak memory consumption was 70.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,187 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.96 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 15.7 MB in the beginning and 25.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.19 ms. Allocated memory is still 43.0 MB. Free memory was 25.8 MB in the beginning and 20.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,189 INFO L168 Benchmark]: Boogie Preprocessor took 136.74 ms. Allocated memory is still 43.0 MB. Free memory was 20.0 MB in the beginning and 15.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,190 INFO L168 Benchmark]: RCFGBuilder took 1366.79 ms. Allocated memory was 43.0 MB in the beginning and 55.6 MB in the end (delta: 12.6 MB). Free memory was 15.2 MB in the beginning and 29.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,191 INFO L168 Benchmark]: TraceAbstraction took 11150.67 ms. Allocated memory was 55.6 MB in the beginning and 142.1 MB in the end (delta: 86.5 MB). Free memory was 29.2 MB in the beginning and 69.3 MB in the end (delta: -40.2 MB). Peak memory consumption was 103.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,191 INFO L168 Benchmark]: Witness Printer took 251.48 ms. Allocated memory is still 142.1 MB. Free memory was 69.3 MB in the beginning and 48.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:50,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 31.5 MB. Free memory was 7.9 MB in the beginning and 7.8 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 730.96 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 15.7 MB in the beginning and 25.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 111.19 ms. Allocated memory is still 43.0 MB. Free memory was 25.8 MB in the beginning and 20.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 136.74 ms. Allocated memory is still 43.0 MB. Free memory was 20.0 MB in the beginning and 15.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1366.79 ms. Allocated memory was 43.0 MB in the beginning and 55.6 MB in the end (delta: 12.6 MB). Free memory was 15.2 MB in the beginning and 29.6 MB in the end (delta: -14.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 11150.67 ms. Allocated memory was 55.6 MB in the beginning and 142.1 MB in the end (delta: 86.5 MB). Free memory was 29.2 MB in the beginning and 69.3 MB in the end (delta: -40.2 MB). Peak memory consumption was 103.7 MB. Max. memory is 14.3 GB. * Witness Printer took 251.48 ms. Allocated memory is still 142.1 MB. Free memory was 69.3 MB in the beginning and 48.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((((((14 <= a8 && a16 <= 5) || (a8 <= 13 && a17 == 1)) || a16 <= 4) || (a16 <= 5 && a7 == 0)) || (a20 == 1 && a8 <= 13)) || (a21 == 1 && a20 == 1)) || 15 <= a8 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((14 <= a8 && a16 <= 5) || (a8 <= 13 && a17 == 1)) || a16 <= 4) || (a16 <= 5 && a7 == 0)) || (a20 == 1 && a8 <= 13)) || (a21 == 1 && a20 == 1)) || 15 <= a8 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.6s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 686 SDtfs, 1431 SDslu, 61 SDs, 0 SdLazy, 3687 SolverSat, 640 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3148occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2227 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2028 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 98 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2075 NumberOfCodeBlocks, 2075 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2062 ConstructedInterpolants, 0 QuantifiedInterpolants, 606128 SizeOfPredicates, 2 NumberOfNonLiveVariables, 774 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 812/818 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...