./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label35.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/Problem14_label35.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 35f4318033d5aac76fc303e5aa56252a3ece16d4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:28:39,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:28:39,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:28:39,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:28:39,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:28:39,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:28:39,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:28:39,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:28:39,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:28:39,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:28:39,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:28:39,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:28:39,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:28:39,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:28:39,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:28:39,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:28:39,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:28:39,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:28:39,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:28:39,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:28:39,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:28:39,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:28:39,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:28:39,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:28:39,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:28:39,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:28:39,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:28:39,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:28:39,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:28:39,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:28:39,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:28:39,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:28:39,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:28:39,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:28:39,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:28:39,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:28:39,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:28:39,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:28:39,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:28:39,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:28:39,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:28:39,221 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:28:39,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:28:39,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:28:39,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:28:39,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:28:39,246 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:28:39,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:28:39,247 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:28:39,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:28:39,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:28:39,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:28:39,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:28:39,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:28:39,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:28:39,248 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:28:39,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:28:39,249 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:28:39,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:28:39,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:28:39,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:28:39,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:28:39,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:28:39,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:28:39,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:28:39,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:28:39,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:28:39,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:28:39,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:28:39,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:28:39,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:28:39,253 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 -> 35f4318033d5aac76fc303e5aa56252a3ece16d4 [2020-10-19 23:28:39,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:28:39,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:28:39,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:28:39,476 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:28:39,478 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:28:39,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-10-19 23:28:39,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fff3987/9285d20230bc45618264038e77d451ee/FLAG8d31517ad [2020-10-19 23:28:40,156 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:28:40,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-10-19 23:28:40,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fff3987/9285d20230bc45618264038e77d451ee/FLAG8d31517ad [2020-10-19 23:28:40,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00fff3987/9285d20230bc45618264038e77d451ee [2020-10-19 23:28:40,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:28:40,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:28:40,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:28:40,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:28:40,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:28:40,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:28:40" (1/1) ... [2020-10-19 23:28:40,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740eaadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:40, skipping insertion in model container [2020-10-19 23:28:40,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:28:40" (1/1) ... [2020-10-19 23:28:40,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:28:40,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:28:41,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:28:41,027 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:28:41,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:28:41,191 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:28:41,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41 WrapperNode [2020-10-19 23:28:41,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:28:41,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:28:41,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:28:41,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:28:41,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:28:41,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:28:41,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:28:41,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:28:41,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (1/1) ... [2020-10-19 23:28:41,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:28:41,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:28:41,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:28:41,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:28:41,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (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 23:28:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:28:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:28:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:28:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:28:43,168 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:28:43,168 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:28:43,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:43 BoogieIcfgContainer [2020-10-19 23:28:43,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:28:43,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:28:43,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:28:43,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:28:43,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:28:40" (1/3) ... [2020-10-19 23:28:43,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d3bb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:28:43, skipping insertion in model container [2020-10-19 23:28:43,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:28:41" (2/3) ... [2020-10-19 23:28:43,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d3bb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:28:43, skipping insertion in model container [2020-10-19 23:28:43,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:43" (3/3) ... [2020-10-19 23:28:43,179 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label35.c [2020-10-19 23:28:43,191 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:28:43,199 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:28:43,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:28:43,244 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:28:43,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:28:43,244 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:28:43,244 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:28:43,245 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:28:43,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:28:43,245 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:28:43,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:28:43,268 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:28:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-19 23:28:43,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:43,278 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] [2020-10-19 23:28:43,278 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:43,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:43,285 INFO L82 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2020-10-19 23:28:43,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:43,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336048506] [2020-10-19 23:28:43,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:43,595 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 23:28:43,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336048506] [2020-10-19 23:28:43,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:43,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:28:43,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961020297] [2020-10-19 23:28:43,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:43,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:43,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:43,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:43,624 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:28:45,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:45,011 INFO L93 Difference]: Finished difference Result 686 states and 1217 transitions. [2020-10-19 23:28:45,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:45,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-10-19 23:28:45,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:45,028 INFO L225 Difference]: With dead ends: 686 [2020-10-19 23:28:45,028 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:28:45,033 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 23:28:45,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:28:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:28:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:28:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-10-19 23:28:45,102 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 44 [2020-10-19 23:28:45,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:45,102 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-10-19 23:28:45,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-10-19 23:28:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-19 23:28:45,108 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:45,108 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, 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] [2020-10-19 23:28:45,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:28:45,109 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:45,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1886923543, now seen corresponding path program 1 times [2020-10-19 23:28:45,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:45,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760794500] [2020-10-19 23:28:45,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:45,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760794500] [2020-10-19 23:28:45,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:45,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:45,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848804402] [2020-10-19 23:28:45,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:45,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:45,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:45,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:45,365 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2020-10-19 23:28:46,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:46,831 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2020-10-19 23:28:46,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:46,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2020-10-19 23:28:46,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:46,840 INFO L225 Difference]: With dead ends: 1074 [2020-10-19 23:28:46,841 INFO L226 Difference]: Without dead ends: 716 [2020-10-19 23:28:46,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-19 23:28:46,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-10-19 23:28:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:28:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2020-10-19 23:28:46,884 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 123 [2020-10-19 23:28:46,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:46,885 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2020-10-19 23:28:46,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2020-10-19 23:28:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-19 23:28:46,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:46,903 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:46,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:28:46,903 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:46,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:46,904 INFO L82 PathProgramCache]: Analyzing trace with hash -554388074, now seen corresponding path program 1 times [2020-10-19 23:28:46,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:46,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762895274] [2020-10-19 23:28:46,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:47,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762895274] [2020-10-19 23:28:47,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739042051] [2020-10-19 23:28:47,167 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 23:28:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:47,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:47,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-19 23:28:47,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:47,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 23:28:47,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340562364] [2020-10-19 23:28:47,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:47,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:47,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:47,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:28:47,451 INFO L87 Difference]: Start difference. First operand 716 states and 902 transitions. Second operand 3 states. [2020-10-19 23:28:48,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:48,357 INFO L93 Difference]: Finished difference Result 1252 states and 1612 transitions. [2020-10-19 23:28:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:48,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-10-19 23:28:48,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:48,366 INFO L225 Difference]: With dead ends: 1252 [2020-10-19 23:28:48,366 INFO L226 Difference]: Without dead ends: 1250 [2020-10-19 23:28:48,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 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 23:28:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-19 23:28:48,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 894. [2020-10-19 23:28:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-19 23:28:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-10-19 23:28:48,397 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 149 [2020-10-19 23:28:48,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:48,398 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-10-19 23:28:48,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-10-19 23:28:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-19 23:28:48,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:48,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:28:48,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-19 23:28:48,612 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:48,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:48,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1703012213, now seen corresponding path program 1 times [2020-10-19 23:28:48,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:48,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049105988] [2020-10-19 23:28:48,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-19 23:28:48,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049105988] [2020-10-19 23:28:48,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:48,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:48,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819386765] [2020-10-19 23:28:48,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:48,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:48,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:48,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:48,934 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-10-19 23:28:49,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:49,979 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-10-19 23:28:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:49,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 203 [2020-10-19 23:28:49,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:49,987 INFO L225 Difference]: With dead ends: 1993 [2020-10-19 23:28:49,988 INFO L226 Difference]: Without dead ends: 1072 [2020-10-19 23:28:49,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:49,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-10-19 23:28:50,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-10-19 23:28:50,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-19 23:28:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-10-19 23:28:50,021 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 203 [2020-10-19 23:28:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:50,022 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-10-19 23:28:50,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-10-19 23:28:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-19 23:28:50,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:50,027 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 23:28:50,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:28:50,028 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:50,028 INFO L82 PathProgramCache]: Analyzing trace with hash -916384219, now seen corresponding path program 1 times [2020-10-19 23:28:50,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:50,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277897360] [2020-10-19 23:28:50,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 83 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:50,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277897360] [2020-10-19 23:28:50,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133497695] [2020-10-19 23:28:50,315 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 23:28:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:50,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:28:50,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:28:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-19 23:28:50,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:28:50,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-19 23:28:50,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328017565] [2020-10-19 23:28:50,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:50,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:50,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:50,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:28:50,489 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-10-19 23:28:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:51,446 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-10-19 23:28:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:51,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-10-19 23:28:51,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:51,456 INFO L225 Difference]: With dead ends: 2320 [2020-10-19 23:28:51,456 INFO L226 Difference]: Without dead ends: 1250 [2020-10-19 23:28:51,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:28:51,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-10-19 23:28:51,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-10-19 23:28:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-19 23:28:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-10-19 23:28:51,499 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 215 [2020-10-19 23:28:51,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:51,500 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-10-19 23:28:51,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-10-19 23:28:51,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-19 23:28:51,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:51,507 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:51,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:28:51,722 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:51,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1822557348, now seen corresponding path program 1 times [2020-10-19 23:28:51,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:51,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573885962] [2020-10-19 23:28:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:28:52,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573885962] [2020-10-19 23:28:52,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:52,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:52,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253655601] [2020-10-19 23:28:52,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:52,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:52,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:52,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:52,078 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-10-19 23:28:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:52,872 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-10-19 23:28:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:52,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-19 23:28:52,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:52,883 INFO L225 Difference]: With dead ends: 2854 [2020-10-19 23:28:52,883 INFO L226 Difference]: Without dead ends: 1784 [2020-10-19 23:28:52,886 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 23:28:52,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-10-19 23:28:52,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2020-10-19 23:28:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-19 23:28:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2013 transitions. [2020-10-19 23:28:52,930 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2013 transitions. Word has length 218 [2020-10-19 23:28:52,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:52,934 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2013 transitions. [2020-10-19 23:28:52,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2013 transitions. [2020-10-19 23:28:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-10-19 23:28:52,941 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:52,941 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:52,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:28:52,942 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:52,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:52,942 INFO L82 PathProgramCache]: Analyzing trace with hash -2081929129, now seen corresponding path program 1 times [2020-10-19 23:28:52,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:52,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490899298] [2020-10-19 23:28:52,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 23:28:53,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490899298] [2020-10-19 23:28:53,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:53,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:53,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808051052] [2020-10-19 23:28:53,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:28:53,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:53,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:28:53,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:53,322 INFO L87 Difference]: Start difference. First operand 1784 states and 2013 transitions. Second operand 4 states. [2020-10-19 23:28:54,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:54,188 INFO L93 Difference]: Finished difference Result 3624 states and 4105 transitions. [2020-10-19 23:28:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:28:54,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 335 [2020-10-19 23:28:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:54,198 INFO L225 Difference]: With dead ends: 3624 [2020-10-19 23:28:54,198 INFO L226 Difference]: Without dead ends: 1962 [2020-10-19 23:28:54,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:28:54,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2020-10-19 23:28:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2020-10-19 23:28:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-10-19 23:28:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 1934 transitions. [2020-10-19 23:28:54,239 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 1934 transitions. Word has length 335 [2020-10-19 23:28:54,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:54,240 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 1934 transitions. [2020-10-19 23:28:54,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:28:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 1934 transitions. [2020-10-19 23:28:54,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-10-19 23:28:54,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:54,248 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:54,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:28:54,249 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:54,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:54,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1086763460, now seen corresponding path program 1 times [2020-10-19 23:28:54,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:54,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173920775] [2020-10-19 23:28:54,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:54,652 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:54,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173920775] [2020-10-19 23:28:54,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:54,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:54,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168272285] [2020-10-19 23:28:54,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:54,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:54,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:54,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:54,663 INFO L87 Difference]: Start difference. First operand 1784 states and 1934 transitions. Second operand 3 states. [2020-10-19 23:28:55,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:55,408 INFO L93 Difference]: Finished difference Result 4278 states and 4675 transitions. [2020-10-19 23:28:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:55,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 430 [2020-10-19 23:28:55,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:55,422 INFO L225 Difference]: With dead ends: 4278 [2020-10-19 23:28:55,422 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:28:55,425 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 23:28:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:28:55,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2140. [2020-10-19 23:28:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:28:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2293 transitions. [2020-10-19 23:28:55,471 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2293 transitions. Word has length 430 [2020-10-19 23:28:55,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:55,472 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2293 transitions. [2020-10-19 23:28:55,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2293 transitions. [2020-10-19 23:28:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-10-19 23:28:55,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:55,481 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:28:55,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:28:55,481 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:55,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:55,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1854428793, now seen corresponding path program 1 times [2020-10-19 23:28:55,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:55,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175641210] [2020-10-19 23:28:55,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:28:55,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175641210] [2020-10-19 23:28:55,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:55,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:55,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209743918] [2020-10-19 23:28:55,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:55,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:55,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:55,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:55,910 INFO L87 Difference]: Start difference. First operand 2140 states and 2293 transitions. Second operand 3 states. [2020-10-19 23:28:56,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:56,686 INFO L93 Difference]: Finished difference Result 4634 states and 5045 transitions. [2020-10-19 23:28:56,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:56,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2020-10-19 23:28:56,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:56,698 INFO L225 Difference]: With dead ends: 4634 [2020-10-19 23:28:56,698 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:28:56,702 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 23:28:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:28:56,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-19 23:28:56,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:28:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2662 transitions. [2020-10-19 23:28:56,750 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2662 transitions. Word has length 437 [2020-10-19 23:28:56,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:56,751 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2662 transitions. [2020-10-19 23:28:56,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2662 transitions. [2020-10-19 23:28:56,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-10-19 23:28:56,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:56,756 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-19 23:28:56,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:28:56,757 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:56,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1220397136, now seen corresponding path program 1 times [2020-10-19 23:28:56,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:56,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118631865] [2020-10-19 23:28:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-19 23:28:57,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118631865] [2020-10-19 23:28:57,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:57,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:57,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008738913] [2020-10-19 23:28:57,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:57,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:57,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:57,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:57,386 INFO L87 Difference]: Start difference. First operand 2496 states and 2662 transitions. Second operand 3 states. [2020-10-19 23:28:58,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:58,164 INFO L93 Difference]: Finished difference Result 5524 states and 5973 transitions. [2020-10-19 23:28:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:58,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 592 [2020-10-19 23:28:58,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:58,179 INFO L225 Difference]: With dead ends: 5524 [2020-10-19 23:28:58,179 INFO L226 Difference]: Without dead ends: 3208 [2020-10-19 23:28:58,183 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 23:28:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-19 23:28:58,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-10-19 23:28:58,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-19 23:28:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3228 transitions. [2020-10-19 23:28:58,233 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3228 transitions. Word has length 592 [2020-10-19 23:28:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:58,234 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3228 transitions. [2020-10-19 23:28:58,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3228 transitions. [2020-10-19 23:28:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2020-10-19 23:28:58,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:58,240 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-19 23:28:58,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:28:58,241 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:58,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:58,241 INFO L82 PathProgramCache]: Analyzing trace with hash 195729629, now seen corresponding path program 1 times [2020-10-19 23:28:58,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:58,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098871863] [2020-10-19 23:28:58,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:28:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1121 backedges. 765 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-10-19 23:28:58,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098871863] [2020-10-19 23:28:58,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:28:58,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:28:58,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274295723] [2020-10-19 23:28:58,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:28:58,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:28:58,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:28:58,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:28:58,689 INFO L87 Difference]: Start difference. First operand 3030 states and 3228 transitions. Second operand 3 states. [2020-10-19 23:28:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:28:59,625 INFO L93 Difference]: Finished difference Result 6592 states and 7097 transitions. [2020-10-19 23:28:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:28:59,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 610 [2020-10-19 23:28:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:28:59,643 INFO L225 Difference]: With dead ends: 6592 [2020-10-19 23:28:59,643 INFO L226 Difference]: Without dead ends: 3742 [2020-10-19 23:28:59,647 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 23:28:59,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-19 23:28:59,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-10-19 23:28:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:28:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3621 transitions. [2020-10-19 23:28:59,705 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3621 transitions. Word has length 610 [2020-10-19 23:28:59,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:28:59,706 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3621 transitions. [2020-10-19 23:28:59,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:28:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3621 transitions. [2020-10-19 23:28:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2020-10-19 23:28:59,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:28:59,716 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 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] [2020-10-19 23:28:59,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:28:59,716 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:28:59,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:28:59,717 INFO L82 PathProgramCache]: Analyzing trace with hash -577709181, now seen corresponding path program 1 times [2020-10-19 23:28:59,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:28:59,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692872106] [2020-10-19 23:28:59,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:28:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 852 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:29:00,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692872106] [2020-10-19 23:29:00,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39191986] [2020-10-19 23:29:00,491 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 23:29:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:00,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:00,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-19 23:29:00,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:00,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:29:00,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694238399] [2020-10-19 23:29:00,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:00,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:00,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:00,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:00,889 INFO L87 Difference]: Start difference. First operand 3386 states and 3621 transitions. Second operand 3 states. [2020-10-19 23:29:01,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:01,591 INFO L93 Difference]: Finished difference Result 7660 states and 8181 transitions. [2020-10-19 23:29:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:01,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 633 [2020-10-19 23:29:01,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:01,608 INFO L225 Difference]: With dead ends: 7660 [2020-10-19 23:29:01,608 INFO L226 Difference]: Without dead ends: 3564 [2020-10-19 23:29:01,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 633 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:01,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-19 23:29:01,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-10-19 23:29:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:29:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3600 transitions. [2020-10-19 23:29:01,667 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3600 transitions. Word has length 633 [2020-10-19 23:29:01,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:01,668 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3600 transitions. [2020-10-19 23:29:01,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3600 transitions. [2020-10-19 23:29:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2020-10-19 23:29:01,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:01,677 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 23:29:01,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 23:29:01,893 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:01,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:01,893 INFO L82 PathProgramCache]: Analyzing trace with hash 666541358, now seen corresponding path program 1 times [2020-10-19 23:29:01,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:01,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23015060] [2020-10-19 23:29:01,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 1264 proven. 155 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-10-19 23:29:02,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23015060] [2020-10-19 23:29:02,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803354621] [2020-10-19 23:29:02,574 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 23:29:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:02,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:02,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-19 23:29:03,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:03,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:29:03,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725053559] [2020-10-19 23:29:03,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:03,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:03,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:03,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:03,062 INFO L87 Difference]: Start difference. First operand 3386 states and 3600 transitions. Second operand 3 states. [2020-10-19 23:29:03,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:03,763 INFO L93 Difference]: Finished difference Result 4278 states and 4538 transitions. [2020-10-19 23:29:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:03,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 780 [2020-10-19 23:29:03,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:03,781 INFO L225 Difference]: With dead ends: 4278 [2020-10-19 23:29:03,782 INFO L226 Difference]: Without dead ends: 4276 [2020-10-19 23:29:03,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:03,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-19 23:29:03,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-10-19 23:29:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:29:03,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-19 23:29:03,841 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 780 [2020-10-19 23:29:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:03,842 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-19 23:29:03,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-19 23:29:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2020-10-19 23:29:03,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:29:03,852 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 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] [2020-10-19 23:29:04,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:29:04,067 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:29:04,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:29:04,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1531095310, now seen corresponding path program 1 times [2020-10-19 23:29:04,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:29:04,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613296524] [2020-10-19 23:29:04,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:29:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 1735 proven. 110 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2020-10-19 23:29:04,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613296524] [2020-10-19 23:29:04,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65944982] [2020-10-19 23:29:04,828 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 23:29:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:29:05,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:29:05,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:29:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-19 23:29:05,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:29:05,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:29:05,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138009571] [2020-10-19 23:29:05,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:29:05,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:29:05,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:29:05,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:05,337 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-19 23:29:06,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:29:06,085 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-10-19 23:29:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:29:06,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 811 [2020-10-19 23:29:06,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:29:06,087 INFO L225 Difference]: With dead ends: 7302 [2020-10-19 23:29:06,087 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:29:06,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 814 GetRequests, 811 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:29:06,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:29:06,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:29:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:29:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:29:06,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 811 [2020-10-19 23:29:06,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:29:06,093 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:29:06,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:29:06,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:29:06,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:29:06,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-19 23:29:06,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:29:06,544 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-19 23:29:06,708 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-10-19 23:29:06,712 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:29:06,713 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,714 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,715 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:29:06,715 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:29:06,715 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:29:06,715 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:29:06,715 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:29:06,715 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:29:06,715 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:29:06,716 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,717 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,718 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,719 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,720 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:29:06,721 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:29:06,722 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:29:06,723 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:29:06,724 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,725 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,726 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,727 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:29:06,728 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:29:06,729 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:29:06,730 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:29:06,731 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:29:06,732 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,733 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,734 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,735 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:29:06,736 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:29:06,737 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,737 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,737 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:29:06,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:29:06 BoogieIcfgContainer [2020-10-19 23:29:06,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:29:06,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:29:06,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:29:06,759 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:29:06,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:28:43" (3/4) ... [2020-10-19 23:29:06,764 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:29:06,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:29:06,812 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:29:06,814 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:06,815 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:29:07,003 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:29:07,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:29:07,005 INFO L168 Benchmark]: Toolchain (without parser) took 26621.32 ms. Allocated memory was 35.1 MB in the beginning and 504.4 MB in the end (delta: 469.2 MB). Free memory was 10.5 MB in the beginning and 247.0 MB in the end (delta: -236.5 MB). Peak memory consumption was 232.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,005 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 33.6 MB. Free memory was 18.6 MB in the beginning and 18.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.83 ms. Allocated memory was 35.1 MB in the beginning and 46.7 MB in the end (delta: 11.5 MB). Free memory was 9.6 MB in the beginning and 22.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.31 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 22.3 MB in the beginning and 24.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,006 INFO L168 Benchmark]: Boogie Preprocessor took 144.37 ms. Allocated memory is still 47.2 MB. Free memory was 24.7 MB in the beginning and 18.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,007 INFO L168 Benchmark]: RCFGBuilder took 1634.21 ms. Allocated memory was 47.2 MB in the beginning and 70.8 MB in the end (delta: 23.6 MB). Free memory was 17.9 MB in the beginning and 38.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,007 INFO L168 Benchmark]: TraceAbstraction took 23587.32 ms. Allocated memory was 70.8 MB in the beginning and 504.4 MB in the end (delta: 433.6 MB). Free memory was 37.6 MB in the beginning and 264.3 MB in the end (delta: -226.7 MB). Peak memory consumption was 206.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,008 INFO L168 Benchmark]: Witness Printer took 244.23 ms. Allocated memory is still 504.4 MB. Free memory was 264.3 MB in the beginning and 247.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:29:07,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 33.6 MB. Free memory was 18.6 MB in the beginning and 18.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 808.83 ms. Allocated memory was 35.1 MB in the beginning and 46.7 MB in the end (delta: 11.5 MB). Free memory was 9.6 MB in the beginning and 22.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 193.31 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 22.3 MB in the beginning and 24.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 144.37 ms. Allocated memory is still 47.2 MB. Free memory was 24.7 MB in the beginning and 18.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1634.21 ms. Allocated memory was 47.2 MB in the beginning and 70.8 MB in the end (delta: 23.6 MB). Free memory was 17.9 MB in the beginning and 38.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 23587.32 ms. Allocated memory was 70.8 MB in the beginning and 504.4 MB in the end (delta: 433.6 MB). Free memory was 37.6 MB in the beginning and 264.3 MB in the end (delta: -226.7 MB). Peak memory consumption was 206.9 MB. Max. memory is 14.3 GB. * Witness Printer took 244.23 ms. Allocated memory is still 504.4 MB. Free memory was 264.3 MB in the beginning and 247.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 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: 22]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.0s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1919 SDtfs, 1911 SDslu, 77 SDs, 0 SdLazy, 7239 SolverSat, 888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2629 GetRequests, 2600 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2556 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 8168 NumberOfCodeBlocks, 8168 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 8149 ConstructedInterpolants, 0 QuantifiedInterpolants, 8863771 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3399 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 19 InterpolantComputations, 14 PerfectInterpolantSequences, 14982/15463 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...