./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label02.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_label02.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 371b9bea5c3591577da86339387e8bebd879d352 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:29:15,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:29:15,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:29:15,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:29:15,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:29:15,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:29:15,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:29:15,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:29:15,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:29:15,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:29:15,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:29:15,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:29:15,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:29:15,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:29:15,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:29:15,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:29:15,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:29:15,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:29:15,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:29:15,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:29:15,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:29:15,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:29:15,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:29:15,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:29:15,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:29:15,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:29:15,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:29:15,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:29:15,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:29:15,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:29:15,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:29:15,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:29:15,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:29:15,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:29:15,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:29:15,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:29:15,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:29:15,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:29:15,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:29:15,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:29:15,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:29:15,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:29:15,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:29:15,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:29:15,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:29:15,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:29:15,168 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:29:15,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:29:15,169 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:29:15,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:29:15,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:29:15,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:29:15,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:29:15,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:29:15,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:29:15,172 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:29:15,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:29:15,172 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:29:15,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:29:15,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:29:15,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:29:15,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:29:15,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:29:15,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:29:15,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:29:15,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:29:15,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:29:15,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:29:15,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:29:15,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:29:15,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:29:15,175 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 -> 371b9bea5c3591577da86339387e8bebd879d352 [2020-10-19 22:29:15,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:29:15,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:29:15,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:29:15,409 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:29:15,410 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:29:15,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-10-19 22:29:15,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f4109ee4/2be8854439f641d4910dbdfa19423f3b/FLAG2b1c52b3b [2020-10-19 22:29:16,159 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:29:16,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-10-19 22:29:16,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f4109ee4/2be8854439f641d4910dbdfa19423f3b/FLAG2b1c52b3b [2020-10-19 22:29:16,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f4109ee4/2be8854439f641d4910dbdfa19423f3b [2020-10-19 22:29:16,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:29:16,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:29:16,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:16,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:29:16,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:29:16,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:16" (1/1) ... [2020-10-19 22:29:16,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4031c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:16, skipping insertion in model container [2020-10-19 22:29:16,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:29:16" (1/1) ... [2020-10-19 22:29:16,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:29:16,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:29:16,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:16,922 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:29:17,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:29:17,095 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:29:17,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17 WrapperNode [2020-10-19 22:29:17,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:29:17,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:17,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:29:17,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:29:17,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:29:17,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:29:17,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:29:17,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:29:17,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (1/1) ... [2020-10-19 22:29:17,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:29:17,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:29:17,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:29:17,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:29:17,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (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 22:29:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:29:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:29:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:29:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:29:18,692 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:29:18,693 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:29:18,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:18 BoogieIcfgContainer [2020-10-19 22:29:18,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:29:18,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:29:18,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:29:18,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:29:18,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:29:16" (1/3) ... [2020-10-19 22:29:18,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f95b349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:18, skipping insertion in model container [2020-10-19 22:29:18,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:29:17" (2/3) ... [2020-10-19 22:29:18,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f95b349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:29:18, skipping insertion in model container [2020-10-19 22:29:18,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:18" (3/3) ... [2020-10-19 22:29:18,710 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2020-10-19 22:29:18,722 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:29:18,730 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:29:18,745 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:29:18,774 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:29:18,774 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:29:18,774 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:29:18,774 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:29:18,775 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:29:18,775 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:29:18,775 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:29:18,775 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:29:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-19 22:29:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-19 22:29:18,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:18,808 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] [2020-10-19 22:29:18,809 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:18,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:18,815 INFO L82 PathProgramCache]: Analyzing trace with hash -776841673, now seen corresponding path program 1 times [2020-10-19 22:29:18,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:18,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306978410] [2020-10-19 22:29:18,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:19,336 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 22:29:19,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306978410] [2020-10-19 22:29:19,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:19,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:19,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656722853] [2020-10-19 22:29:19,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:19,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:19,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:19,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:19,368 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-19 22:29:20,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:20,314 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-19 22:29:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:20,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-10-19 22:29:20,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:20,330 INFO L225 Difference]: With dead ends: 529 [2020-10-19 22:29:20,331 INFO L226 Difference]: Without dead ends: 266 [2020-10-19 22:29:20,335 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 22:29:20,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-19 22:29:20,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-19 22:29:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-19 22:29:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-10-19 22:29:20,396 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 90 [2020-10-19 22:29:20,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:20,397 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-10-19 22:29:20,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-10-19 22:29:20,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-19 22:29:20,402 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:20,402 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:29:20,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:29:20,403 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:20,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:20,403 INFO L82 PathProgramCache]: Analyzing trace with hash 133618700, now seen corresponding path program 1 times [2020-10-19 22:29:20,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:20,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179905242] [2020-10-19 22:29:20,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:20,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179905242] [2020-10-19 22:29:20,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:20,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:20,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43373785] [2020-10-19 22:29:20,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:20,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:20,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:20,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:20,507 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-10-19 22:29:21,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:21,201 INFO L93 Difference]: Finished difference Result 661 states and 955 transitions. [2020-10-19 22:29:21,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:21,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-10-19 22:29:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:21,206 INFO L225 Difference]: With dead ends: 661 [2020-10-19 22:29:21,207 INFO L226 Difference]: Without dead ends: 397 [2020-10-19 22:29:21,213 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 22:29:21,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-10-19 22:29:21,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-10-19 22:29:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-19 22:29:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2020-10-19 22:29:21,245 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 96 [2020-10-19 22:29:21,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:21,246 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2020-10-19 22:29:21,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2020-10-19 22:29:21,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-19 22:29:21,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:21,250 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:29:21,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:29:21,251 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:21,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:21,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1213093644, now seen corresponding path program 1 times [2020-10-19 22:29:21,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:21,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742102708] [2020-10-19 22:29:21,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:29:21,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742102708] [2020-10-19 22:29:21,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:21,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:21,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769668690] [2020-10-19 22:29:21,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:21,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:21,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:21,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:21,411 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 3 states. [2020-10-19 22:29:21,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:21,985 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2020-10-19 22:29:21,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:21,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-19 22:29:21,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:21,991 INFO L225 Difference]: With dead ends: 1185 [2020-10-19 22:29:21,991 INFO L226 Difference]: Without dead ends: 790 [2020-10-19 22:29:21,992 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 22:29:21,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-10-19 22:29:22,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2020-10-19 22:29:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-10-19 22:29:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 911 transitions. [2020-10-19 22:29:22,020 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 911 transitions. Word has length 97 [2020-10-19 22:29:22,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:22,021 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 911 transitions. [2020-10-19 22:29:22,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 911 transitions. [2020-10-19 22:29:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-19 22:29:22,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:22,027 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:29:22,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:29:22,028 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:22,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:22,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1734597635, now seen corresponding path program 1 times [2020-10-19 22:29:22,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:22,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850797468] [2020-10-19 22:29:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:22,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850797468] [2020-10-19 22:29:22,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:22,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:22,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607821596] [2020-10-19 22:29:22,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:22,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:22,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:22,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:22,161 INFO L87 Difference]: Start difference. First operand 659 states and 911 transitions. Second operand 3 states. [2020-10-19 22:29:22,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:22,767 INFO L93 Difference]: Finished difference Result 1971 states and 2728 transitions. [2020-10-19 22:29:22,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:22,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-19 22:29:22,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:22,775 INFO L225 Difference]: With dead ends: 1971 [2020-10-19 22:29:22,776 INFO L226 Difference]: Without dead ends: 1314 [2020-10-19 22:29:22,778 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 22:29:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-19 22:29:22,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 921. [2020-10-19 22:29:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-10-19 22:29:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1204 transitions. [2020-10-19 22:29:22,809 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1204 transitions. Word has length 103 [2020-10-19 22:29:22,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:22,810 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1204 transitions. [2020-10-19 22:29:22,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1204 transitions. [2020-10-19 22:29:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-19 22:29:22,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:22,815 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:29:22,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:29:22,816 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:22,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:22,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1320040445, now seen corresponding path program 1 times [2020-10-19 22:29:22,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:22,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225080289] [2020-10-19 22:29:22,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 22:29:22,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225080289] [2020-10-19 22:29:22,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:22,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:22,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290944953] [2020-10-19 22:29:22,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:22,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:22,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:22,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:22,889 INFO L87 Difference]: Start difference. First operand 921 states and 1204 transitions. Second operand 3 states. [2020-10-19 22:29:23,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:23,474 INFO L93 Difference]: Finished difference Result 2102 states and 2722 transitions. [2020-10-19 22:29:23,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:23,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-10-19 22:29:23,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:23,483 INFO L225 Difference]: With dead ends: 2102 [2020-10-19 22:29:23,484 INFO L226 Difference]: Without dead ends: 1183 [2020-10-19 22:29:23,486 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 22:29:23,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-10-19 22:29:23,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-10-19 22:29:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-10-19 22:29:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1329 transitions. [2020-10-19 22:29:23,523 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1329 transitions. Word has length 107 [2020-10-19 22:29:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:23,523 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1329 transitions. [2020-10-19 22:29:23,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1329 transitions. [2020-10-19 22:29:23,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-19 22:29:23,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:23,528 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:23,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:29:23,528 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:23,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:23,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1768360917, now seen corresponding path program 1 times [2020-10-19 22:29:23,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:23,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963330593] [2020-10-19 22:29:23,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:23,665 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 22:29:23,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963330593] [2020-10-19 22:29:23,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:23,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:29:23,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115275884] [2020-10-19 22:29:23,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:23,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:23,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:23,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:23,670 INFO L87 Difference]: Start difference. First operand 1052 states and 1329 transitions. Second operand 3 states. [2020-10-19 22:29:24,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:24,203 INFO L93 Difference]: Finished difference Result 2364 states and 2972 transitions. [2020-10-19 22:29:24,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:24,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-10-19 22:29:24,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:24,210 INFO L225 Difference]: With dead ends: 2364 [2020-10-19 22:29:24,210 INFO L226 Difference]: Without dead ends: 1314 [2020-10-19 22:29:24,212 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 22:29:24,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-19 22:29:24,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-10-19 22:29:24,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-19 22:29:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1621 transitions. [2020-10-19 22:29:24,241 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1621 transitions. Word has length 119 [2020-10-19 22:29:24,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:24,241 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1621 transitions. [2020-10-19 22:29:24,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1621 transitions. [2020-10-19 22:29:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 22:29:24,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:24,245 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:24,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:29:24,246 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:24,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:24,246 INFO L82 PathProgramCache]: Analyzing trace with hash 776987611, now seen corresponding path program 1 times [2020-10-19 22:29:24,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:24,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622205213] [2020-10-19 22:29:24,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:29:24,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622205213] [2020-10-19 22:29:24,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474125967] [2020-10-19 22:29:24,345 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 22:29:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:24,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:24,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-19 22:29:24,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:24,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 22:29:24,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016793876] [2020-10-19 22:29:24,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:24,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:24,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:24,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:24,568 INFO L87 Difference]: Start difference. First operand 1314 states and 1621 transitions. Second operand 3 states. [2020-10-19 22:29:25,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:25,348 INFO L93 Difference]: Finished difference Result 3674 states and 4530 transitions. [2020-10-19 22:29:25,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:25,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-19 22:29:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:25,363 INFO L225 Difference]: With dead ends: 3674 [2020-10-19 22:29:25,364 INFO L226 Difference]: Without dead ends: 2362 [2020-10-19 22:29:25,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:25,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-10-19 22:29:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-10-19 22:29:25,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-10-19 22:29:25,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2855 transitions. [2020-10-19 22:29:25,436 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2855 transitions. Word has length 123 [2020-10-19 22:29:25,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:25,437 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2855 transitions. [2020-10-19 22:29:25,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:25,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2855 transitions. [2020-10-19 22:29:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-19 22:29:25,445 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:25,446 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:25,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-19 22:29:25,660 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:25,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:25,660 INFO L82 PathProgramCache]: Analyzing trace with hash -694021722, now seen corresponding path program 1 times [2020-10-19 22:29:25,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:25,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209983312] [2020-10-19 22:29:25,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-19 22:29:25,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209983312] [2020-10-19 22:29:25,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:29:25,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:29:25,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353969207] [2020-10-19 22:29:25,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:25,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:25,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:25,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:29:25,726 INFO L87 Difference]: Start difference. First operand 2362 states and 2855 transitions. Second operand 3 states. [2020-10-19 22:29:26,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:26,310 INFO L93 Difference]: Finished difference Result 5377 states and 6544 transitions. [2020-10-19 22:29:26,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:26,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-10-19 22:29:26,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:26,323 INFO L225 Difference]: With dead ends: 5377 [2020-10-19 22:29:26,324 INFO L226 Difference]: Without dead ends: 2624 [2020-10-19 22:29:26,328 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 22:29:26,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-10-19 22:29:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2493. [2020-10-19 22:29:26,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-10-19 22:29:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2818 transitions. [2020-10-19 22:29:26,400 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2818 transitions. Word has length 130 [2020-10-19 22:29:26,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:26,401 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2818 transitions. [2020-10-19 22:29:26,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2818 transitions. [2020-10-19 22:29:26,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-19 22:29:26,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:26,406 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 22:29:26,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:29:26,407 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:26,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:26,407 INFO L82 PathProgramCache]: Analyzing trace with hash 965568418, now seen corresponding path program 1 times [2020-10-19 22:29:26,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:26,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600505536] [2020-10-19 22:29:26,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 70 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-19 22:29:26,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600505536] [2020-10-19 22:29:26,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012745634] [2020-10-19 22:29:26,500 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 22:29:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:26,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:26,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-19 22:29:26,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:26,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:26,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758419958] [2020-10-19 22:29:26,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:26,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:26,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:26,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:26,685 INFO L87 Difference]: Start difference. First operand 2493 states and 2818 transitions. Second operand 3 states. [2020-10-19 22:29:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:27,206 INFO L93 Difference]: Finished difference Result 5246 states and 5939 transitions. [2020-10-19 22:29:27,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:27,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-10-19 22:29:27,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:27,221 INFO L225 Difference]: With dead ends: 5246 [2020-10-19 22:29:27,221 INFO L226 Difference]: Without dead ends: 2755 [2020-10-19 22:29:27,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 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 22:29:27,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-10-19 22:29:27,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2624. [2020-10-19 22:29:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-10-19 22:29:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2893 transitions. [2020-10-19 22:29:27,282 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2893 transitions. Word has length 155 [2020-10-19 22:29:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:27,286 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2893 transitions. [2020-10-19 22:29:27,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2893 transitions. [2020-10-19 22:29:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-19 22:29:27,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:27,292 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 22:29:27,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:27,507 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:27,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:27,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1054489320, now seen corresponding path program 1 times [2020-10-19 22:29:27,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:27,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443625722] [2020-10-19 22:29:27,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-19 22:29:27,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443625722] [2020-10-19 22:29:27,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473236188] [2020-10-19 22:29:27,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:27,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:27,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-19 22:29:27,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:27,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:27,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848519974] [2020-10-19 22:29:27,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:27,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:27,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:27,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:27,793 INFO L87 Difference]: Start difference. First operand 2624 states and 2893 transitions. Second operand 3 states. [2020-10-19 22:29:28,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:28,387 INFO L93 Difference]: Finished difference Result 3150 states and 3486 transitions. [2020-10-19 22:29:28,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:28,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-19 22:29:28,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:28,406 INFO L225 Difference]: With dead ends: 3150 [2020-10-19 22:29:28,407 INFO L226 Difference]: Without dead ends: 3148 [2020-10-19 22:29:28,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 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 22:29:28,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-10-19 22:29:28,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-10-19 22:29:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-19 22:29:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3332 transitions. [2020-10-19 22:29:28,496 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3332 transitions. Word has length 159 [2020-10-19 22:29:28,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:28,496 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3332 transitions. [2020-10-19 22:29:28,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:28,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3332 transitions. [2020-10-19 22:29:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-19 22:29:28,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:28,524 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2020-10-19 22:29:28,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-19 22:29:28,739 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:28,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:28,740 INFO L82 PathProgramCache]: Analyzing trace with hash 793487067, now seen corresponding path program 1 times [2020-10-19 22:29:28,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:28,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525685752] [2020-10-19 22:29:28,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:28,834 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-19 22:29:28,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525685752] [2020-10-19 22:29:28,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949413419] [2020-10-19 22:29:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:28,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:28,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-19 22:29:29,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:29,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:29,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574780231] [2020-10-19 22:29:29,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:29,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:29,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:29,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:29,028 INFO L87 Difference]: Start difference. First operand 3017 states and 3332 transitions. Second operand 3 states. [2020-10-19 22:29:29,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:29,603 INFO L93 Difference]: Finished difference Result 6949 states and 7685 transitions. [2020-10-19 22:29:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:29,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-19 22:29:29,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:29,620 INFO L225 Difference]: With dead ends: 6949 [2020-10-19 22:29:29,620 INFO L226 Difference]: Without dead ends: 3934 [2020-10-19 22:29:29,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 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 22:29:29,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2020-10-19 22:29:29,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3279. [2020-10-19 22:29:29,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2020-10-19 22:29:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3625 transitions. [2020-10-19 22:29:29,699 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3625 transitions. Word has length 189 [2020-10-19 22:29:29,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:29,700 INFO L481 AbstractCegarLoop]: Abstraction has 3279 states and 3625 transitions. [2020-10-19 22:29:29,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3625 transitions. [2020-10-19 22:29:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-19 22:29:29,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:29,709 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2020-10-19 22:29:29,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:29,923 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:29,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:29,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1051716072, now seen corresponding path program 1 times [2020-10-19 22:29:29,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:29,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181511604] [2020-10-19 22:29:29,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 109 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-10-19 22:29:30,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181511604] [2020-10-19 22:29:30,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259437106] [2020-10-19 22:29:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:30,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:30,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-19 22:29:30,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:30,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:30,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150290842] [2020-10-19 22:29:30,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:30,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:30,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:30,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:30,271 INFO L87 Difference]: Start difference. First operand 3279 states and 3625 transitions. Second operand 3 states. [2020-10-19 22:29:30,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:30,715 INFO L93 Difference]: Finished difference Result 6556 states and 7248 transitions. [2020-10-19 22:29:30,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:30,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-10-19 22:29:30,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:30,728 INFO L225 Difference]: With dead ends: 6556 [2020-10-19 22:29:30,729 INFO L226 Difference]: Without dead ends: 3279 [2020-10-19 22:29:30,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 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 22:29:30,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-10-19 22:29:30,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3017. [2020-10-19 22:29:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-10-19 22:29:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3313 transitions. [2020-10-19 22:29:30,817 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3313 transitions. Word has length 231 [2020-10-19 22:29:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:30,818 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3313 transitions. [2020-10-19 22:29:30,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3313 transitions. [2020-10-19 22:29:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-19 22:29:30,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:30,826 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:31,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 22:29:31,040 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:31,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:31,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1965892638, now seen corresponding path program 1 times [2020-10-19 22:29:31,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:31,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101518021] [2020-10-19 22:29:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 142 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 22:29:31,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101518021] [2020-10-19 22:29:31,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071162765] [2020-10-19 22:29:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:31,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:31,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-10-19 22:29:31,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:31,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:31,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618145478] [2020-10-19 22:29:31,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:31,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:31,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:31,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:31,356 INFO L87 Difference]: Start difference. First operand 3017 states and 3313 transitions. Second operand 3 states. [2020-10-19 22:29:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:31,874 INFO L93 Difference]: Finished difference Result 6687 states and 7334 transitions. [2020-10-19 22:29:31,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:31,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-19 22:29:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:31,892 INFO L225 Difference]: With dead ends: 6687 [2020-10-19 22:29:31,893 INFO L226 Difference]: Without dead ends: 3541 [2020-10-19 22:29:31,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 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 22:29:31,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-10-19 22:29:31,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3410. [2020-10-19 22:29:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-10-19 22:29:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3690 transitions. [2020-10-19 22:29:31,953 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3690 transitions. Word has length 243 [2020-10-19 22:29:31,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:31,953 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 3690 transitions. [2020-10-19 22:29:31,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3690 transitions. [2020-10-19 22:29:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-19 22:29:31,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:29:31,963 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:29:32,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:32,178 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:29:32,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:29:32,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1368618920, now seen corresponding path program 1 times [2020-10-19 22:29:32,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:29:32,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955283654] [2020-10-19 22:29:32,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:29:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-10-19 22:29:32,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955283654] [2020-10-19 22:29:32,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099248282] [2020-10-19 22:29:32,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:29:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:29:32,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:29:32,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:29:32,528 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-10-19 22:29:32,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:29:32,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:29:32,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106574520] [2020-10-19 22:29:32,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:29:32,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:29:32,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:29:32,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:29:32,531 INFO L87 Difference]: Start difference. First operand 3410 states and 3690 transitions. Second operand 3 states. [2020-10-19 22:29:32,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:29:32,994 INFO L93 Difference]: Finished difference Result 6292 states and 6812 transitions. [2020-10-19 22:29:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:29:32,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2020-10-19 22:29:32,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:29:32,995 INFO L225 Difference]: With dead ends: 6292 [2020-10-19 22:29:32,995 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:29:33,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 247 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 22:29:33,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:29:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:29:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:29:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:29:33,001 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2020-10-19 22:29:33,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:29:33,001 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:29:33,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:29:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:29:33,001 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:29:33,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-19 22:29:33,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:29:34,038 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-10-19 22:29:34,713 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-10-19 22:29:34,717 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,717 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,717 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,717 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-19 22:29:34,718 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,719 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-19 22:29:34,720 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-19 22:29:34,720 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-19 22:29:34,720 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-19 22:29:34,720 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-19 22:29:34,720 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-19 22:29:34,721 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-19 22:29:34,721 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-19 22:29:34,721 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-19 22:29:34,721 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-19 22:29:34,721 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,721 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,722 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,722 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,722 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,722 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,722 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-19 22:29:34,722 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-19 22:29:34,723 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-19 22:29:34,723 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-19 22:29:34,723 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-19 22:29:34,723 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-19 22:29:34,723 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-19 22:29:34,723 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-19 22:29:34,724 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-19 22:29:34,724 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-19 22:29:34,724 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-19 22:29:34,724 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-19 22:29:34,724 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-19 22:29:34,724 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-19 22:29:34,725 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-19 22:29:34,725 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,725 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,725 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,725 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,725 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,726 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-19 22:29:34,726 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-19 22:29:34,726 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-19 22:29:34,726 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-19 22:29:34,726 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-19 22:29:34,726 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-19 22:29:34,727 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-19 22:29:34,727 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-19 22:29:34,727 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-19 22:29:34,728 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-10-19 22:29:34,728 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,728 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,728 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,728 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,728 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,729 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-19 22:29:34,729 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-19 22:29:34,729 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-19 22:29:34,729 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-19 22:29:34,729 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-19 22:29:34,729 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-19 22:29:34,730 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-19 22:29:34,730 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-19 22:29:34,730 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-19 22:29:34,730 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-19 22:29:34,730 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-19 22:29:34,730 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-19 22:29:34,731 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-19 22:29:34,731 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-19 22:29:34,731 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,731 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,731 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,732 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,732 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,732 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-19 22:29:34,732 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-19 22:29:34,732 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-19 22:29:34,732 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-19 22:29:34,732 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-19 22:29:34,733 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-19 22:29:34,733 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-19 22:29:34,733 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-19 22:29:34,733 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:29:34,733 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-19 22:29:34,733 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,734 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,734 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,734 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,734 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-19 22:29:34,734 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,735 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-19 22:29:34,735 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-19 22:29:34,735 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-19 22:29:34,735 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-19 22:29:34,735 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-19 22:29:34,735 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-19 22:29:34,735 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-19 22:29:34,736 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-19 22:29:34,736 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-19 22:29:34,736 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-19 22:29:34,736 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-19 22:29:34,736 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-19 22:29:34,737 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-19 22:29:34,737 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,737 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-10-19 22:29:34,737 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,737 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,737 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,738 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-19 22:29:34,739 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-19 22:29:34,740 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-19 22:29:34,741 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-19 22:29:34,742 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-19 22:29:34,743 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-19 22:29:34,744 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-19 22:29:34,744 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-19 22:29:34,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:29:34 BoogieIcfgContainer [2020-10-19 22:29:34,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:29:34,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:29:34,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:29:34,774 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:29:34,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:29:18" (3/4) ... [2020-10-19 22:29:34,779 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:29:34,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:29:34,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:29:34,808 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:34,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:29:35,027 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:29:35,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:29:35,030 INFO L168 Benchmark]: Toolchain (without parser) took 18613.35 ms. Allocated memory was 41.4 MB in the beginning and 195.0 MB in the end (delta: 153.6 MB). Free memory was 18.1 MB in the beginning and 58.6 MB in the end (delta: -40.4 MB). Peak memory consumption was 113.2 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,030 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.6 MB in the beginning and 7.5 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.07 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 17.3 MB in the beginning and 17.4 MB in the end (delta: -141.3 kB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.19 ms. Allocated memory is still 44.6 MB. Free memory was 17.4 MB in the beginning and 11.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,032 INFO L168 Benchmark]: Boogie Preprocessor took 122.03 ms. Allocated memory is still 44.6 MB. Free memory was 11.3 MB in the beginning and 22.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,032 INFO L168 Benchmark]: RCFGBuilder took 1382.24 ms. Allocated memory was 44.6 MB in the beginning and 55.6 MB in the end (delta: 11.0 MB). Free memory was 22.6 MB in the beginning and 20.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,033 INFO L168 Benchmark]: TraceAbstraction took 16072.83 ms. Allocated memory was 55.6 MB in the beginning and 195.0 MB in the end (delta: 139.5 MB). Free memory was 20.0 MB in the beginning and 79.5 MB in the end (delta: -59.5 MB). Peak memory consumption was 138.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,033 INFO L168 Benchmark]: Witness Printer took 254.90 ms. Allocated memory is still 195.0 MB. Free memory was 79.5 MB in the beginning and 58.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:29:35,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.6 MB in the beginning and 7.5 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 669.07 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 17.3 MB in the beginning and 17.4 MB in the end (delta: -141.3 kB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 95.19 ms. Allocated memory is still 44.6 MB. Free memory was 17.4 MB in the beginning and 11.3 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 122.03 ms. Allocated memory is still 44.6 MB. Free memory was 11.3 MB in the beginning and 22.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1382.24 ms. Allocated memory was 44.6 MB in the beginning and 55.6 MB in the end (delta: 11.0 MB). Free memory was 22.6 MB in the beginning and 20.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 16072.83 ms. Allocated memory was 55.6 MB in the beginning and 195.0 MB in the end (delta: 139.5 MB). Free memory was 20.0 MB in the beginning and 79.5 MB in the end (delta: -59.5 MB). Peak memory consumption was 138.9 MB. Max. memory is 14.3 GB. * Witness Printer took 254.90 ms. Allocated memory is still 195.0 MB. Free memory was 79.5 MB in the beginning and 58.6 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: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1188 SDtfs, 1463 SDslu, 73 SDs, 0 SdLazy, 4517 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1377 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=13, 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, 14 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 367 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2774 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1000 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 3438 NumberOfCodeBlocks, 3438 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3417 ConstructedInterpolants, 0 QuantifiedInterpolants, 1107946 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2973 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 3385/3406 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...