./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label32.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/Problem03_label32.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 ca94f350ab3bc89616d4ccb4df8f67d9e5f5d191 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:34:09,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:34:09,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:34:09,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:34:09,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:34:09,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:34:09,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:34:09,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:34:09,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:34:09,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:34:09,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:34:09,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:34:09,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:34:09,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:34:09,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:34:09,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:34:09,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:34:09,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:34:09,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:34:09,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:34:09,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:34:09,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:34:09,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:34:09,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:34:09,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:34:09,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:34:09,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:34:09,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:34:09,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:34:09,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:34:09,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:34:09,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:34:09,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:34:09,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:34:09,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:34:09,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:34:09,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:34:09,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:34:09,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:34:09,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:34:09,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:34:09,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:34:09,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:34:09,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:34:09,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:34:09,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:34:09,185 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:34:09,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:34:09,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:34:09,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:34:09,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:34:09,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:34:09,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:34:09,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:34:09,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:34:09,187 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:34:09,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:34:09,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:34:09,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:34:09,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:34:09,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:34:09,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:34:09,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:34:09,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:34:09,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:34:09,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:34:09,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:34:09,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:34:09,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:34:09,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:34:09,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:34:09,190 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 -> ca94f350ab3bc89616d4ccb4df8f67d9e5f5d191 [2020-10-19 22:34:09,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:34:09,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:34:09,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:34:09,416 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:34:09,417 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:34:09,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2020-10-19 22:34:09,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad67f2b9/6515f4ae1304480da05429e6b663b2a3/FLAG8faf7790a [2020-10-19 22:34:10,223 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:34:10,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2020-10-19 22:34:10,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad67f2b9/6515f4ae1304480da05429e6b663b2a3/FLAG8faf7790a [2020-10-19 22:34:10,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ad67f2b9/6515f4ae1304480da05429e6b663b2a3 [2020-10-19 22:34:10,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:34:10,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:34:10,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:34:10,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:34:10,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:34:10,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:34:10" (1/1) ... [2020-10-19 22:34:10,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47483dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:10, skipping insertion in model container [2020-10-19 22:34:10,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:34:10" (1/1) ... [2020-10-19 22:34:10,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:34:10,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:34:11,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:34:11,141 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:34:11,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:34:11,581 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:34:11,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11 WrapperNode [2020-10-19 22:34:11,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:34:11,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:34:11,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:34:11,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:34:11,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:34:11,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:34:11,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:34:11,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:34:11,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... [2020-10-19 22:34:11,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:34:11,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:34:11,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:34:11,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:34:11,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:34:11,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:34:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:34:11,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:34:11,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:34:14,300 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:34:14,300 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:34:14,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:14 BoogieIcfgContainer [2020-10-19 22:34:14,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:34:14,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:34:14,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:34:14,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:34:14,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:34:10" (1/3) ... [2020-10-19 22:34:14,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66278a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:34:14, skipping insertion in model container [2020-10-19 22:34:14,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:34:11" (2/3) ... [2020-10-19 22:34:14,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66278a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:34:14, skipping insertion in model container [2020-10-19 22:34:14,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:14" (3/3) ... [2020-10-19 22:34:14,313 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label32.c [2020-10-19 22:34:14,325 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:34:14,334 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:34:14,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:34:14,377 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:34:14,377 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:34:14,377 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:34:14,378 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:34:14,378 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:34:14,378 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:34:14,378 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:34:14,379 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:34:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-10-19 22:34:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-19 22:34:14,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:14,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:14,420 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:14,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:14,427 INFO L82 PathProgramCache]: Analyzing trace with hash -570388181, now seen corresponding path program 1 times [2020-10-19 22:34:14,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:14,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454448707] [2020-10-19 22:34:14,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:15,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454448707] [2020-10-19 22:34:15,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:15,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:15,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721490101] [2020-10-19 22:34:15,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:15,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:15,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:15,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:15,261 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-10-19 22:34:16,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:16,591 INFO L93 Difference]: Finished difference Result 858 states and 1499 transitions. [2020-10-19 22:34:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:16,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-19 22:34:16,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:16,628 INFO L225 Difference]: With dead ends: 858 [2020-10-19 22:34:16,628 INFO L226 Difference]: Without dead ends: 462 [2020-10-19 22:34:16,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-10-19 22:34:16,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2020-10-19 22:34:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-19 22:34:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2020-10-19 22:34:16,708 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 189 [2020-10-19 22:34:16,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:16,710 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2020-10-19 22:34:16,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2020-10-19 22:34:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-19 22:34:16,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:16,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:16,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:34:16,716 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:16,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:16,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1408951978, now seen corresponding path program 1 times [2020-10-19 22:34:16,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:16,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097144425] [2020-10-19 22:34:16,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:16,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097144425] [2020-10-19 22:34:16,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:16,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:16,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122809975] [2020-10-19 22:34:16,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:16,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:16,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:16,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:16,848 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand 3 states. [2020-10-19 22:34:18,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:18,070 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2020-10-19 22:34:18,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:18,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-10-19 22:34:18,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:18,077 INFO L225 Difference]: With dead ends: 1344 [2020-10-19 22:34:18,078 INFO L226 Difference]: Without dead ends: 886 [2020-10-19 22:34:18,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:18,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-19 22:34:18,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2020-10-19 22:34:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-10-19 22:34:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1315 transitions. [2020-10-19 22:34:18,121 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1315 transitions. Word has length 197 [2020-10-19 22:34:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:18,121 INFO L481 AbstractCegarLoop]: Abstraction has 870 states and 1315 transitions. [2020-10-19 22:34:18,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1315 transitions. [2020-10-19 22:34:18,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-19 22:34:18,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:18,130 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:18,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:34:18,130 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:18,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:18,131 INFO L82 PathProgramCache]: Analyzing trace with hash 274330525, now seen corresponding path program 1 times [2020-10-19 22:34:18,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:18,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632683886] [2020-10-19 22:34:18,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:34:19,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632683886] [2020-10-19 22:34:19,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:19,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:19,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597043547] [2020-10-19 22:34:19,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:34:19,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:19,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:34:19,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:34:19,046 INFO L87 Difference]: Start difference. First operand 870 states and 1315 transitions. Second operand 4 states. [2020-10-19 22:34:20,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:20,514 INFO L93 Difference]: Finished difference Result 1884 states and 2886 transitions. [2020-10-19 22:34:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:34:20,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 204 [2020-10-19 22:34:20,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:20,522 INFO L225 Difference]: With dead ends: 1884 [2020-10-19 22:34:20,523 INFO L226 Difference]: Without dead ends: 842 [2020-10-19 22:34:20,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:34:20,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2020-10-19 22:34:20,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2020-10-19 22:34:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 842 states. [2020-10-19 22:34:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1148 transitions. [2020-10-19 22:34:20,565 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1148 transitions. Word has length 204 [2020-10-19 22:34:20,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:20,565 INFO L481 AbstractCegarLoop]: Abstraction has 842 states and 1148 transitions. [2020-10-19 22:34:20,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:34:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1148 transitions. [2020-10-19 22:34:20,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-19 22:34:20,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:20,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:20,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:34:20,571 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:20,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:20,572 INFO L82 PathProgramCache]: Analyzing trace with hash 787758054, now seen corresponding path program 1 times [2020-10-19 22:34:20,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:20,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654478222] [2020-10-19 22:34:20,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:20,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654478222] [2020-10-19 22:34:20,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:20,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:20,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637618800] [2020-10-19 22:34:20,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:20,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:20,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:20,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:20,698 INFO L87 Difference]: Start difference. First operand 842 states and 1148 transitions. Second operand 3 states. [2020-10-19 22:34:21,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:21,652 INFO L93 Difference]: Finished difference Result 2504 states and 3420 transitions. [2020-10-19 22:34:21,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:21,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-10-19 22:34:21,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:21,661 INFO L225 Difference]: With dead ends: 2504 [2020-10-19 22:34:21,662 INFO L226 Difference]: Without dead ends: 1664 [2020-10-19 22:34:21,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:21,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-10-19 22:34:21,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1663. [2020-10-19 22:34:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1663 states. [2020-10-19 22:34:21,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2201 transitions. [2020-10-19 22:34:21,707 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2201 transitions. Word has length 212 [2020-10-19 22:34:21,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:21,707 INFO L481 AbstractCegarLoop]: Abstraction has 1663 states and 2201 transitions. [2020-10-19 22:34:21,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2201 transitions. [2020-10-19 22:34:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-19 22:34:21,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:21,715 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:21,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:34:21,716 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:21,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:21,734 INFO L82 PathProgramCache]: Analyzing trace with hash -296495238, now seen corresponding path program 1 times [2020-10-19 22:34:21,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:21,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948857289] [2020-10-19 22:34:21,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:22,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948857289] [2020-10-19 22:34:22,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:22,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:22,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967301676] [2020-10-19 22:34:22,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:34:22,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:22,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:34:22,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:34:22,253 INFO L87 Difference]: Start difference. First operand 1663 states and 2201 transitions. Second operand 4 states. [2020-10-19 22:34:23,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:23,787 INFO L93 Difference]: Finished difference Result 4323 states and 5738 transitions. [2020-10-19 22:34:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:34:23,787 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 220 [2020-10-19 22:34:23,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:23,799 INFO L225 Difference]: With dead ends: 4323 [2020-10-19 22:34:23,800 INFO L226 Difference]: Without dead ends: 2488 [2020-10-19 22:34:23,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:34:23,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2020-10-19 22:34:23,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2487. [2020-10-19 22:34:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2487 states. [2020-10-19 22:34:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3250 transitions. [2020-10-19 22:34:23,863 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3250 transitions. Word has length 220 [2020-10-19 22:34:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:23,864 INFO L481 AbstractCegarLoop]: Abstraction has 2487 states and 3250 transitions. [2020-10-19 22:34:23,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:34:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3250 transitions. [2020-10-19 22:34:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-19 22:34:23,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:23,872 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:23,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:34:23,872 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:23,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:23,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1529537281, now seen corresponding path program 1 times [2020-10-19 22:34:23,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:23,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622635136] [2020-10-19 22:34:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-19 22:34:23,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622635136] [2020-10-19 22:34:23,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:23,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:23,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818373508] [2020-10-19 22:34:23,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:23,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:23,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:23,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:23,961 INFO L87 Difference]: Start difference. First operand 2487 states and 3250 transitions. Second operand 3 states. [2020-10-19 22:34:24,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:24,924 INFO L93 Difference]: Finished difference Result 6628 states and 8636 transitions. [2020-10-19 22:34:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:24,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2020-10-19 22:34:24,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:24,944 INFO L225 Difference]: With dead ends: 6628 [2020-10-19 22:34:24,945 INFO L226 Difference]: Without dead ends: 4143 [2020-10-19 22:34:24,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:24,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4143 states. [2020-10-19 22:34:25,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4143 to 4140. [2020-10-19 22:34:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2020-10-19 22:34:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5365 transitions. [2020-10-19 22:34:25,033 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5365 transitions. Word has length 222 [2020-10-19 22:34:25,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:25,034 INFO L481 AbstractCegarLoop]: Abstraction has 4140 states and 5365 transitions. [2020-10-19 22:34:25,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5365 transitions. [2020-10-19 22:34:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-19 22:34:25,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:25,044 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:25,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:34:25,045 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:25,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:25,046 INFO L82 PathProgramCache]: Analyzing trace with hash -12457689, now seen corresponding path program 1 times [2020-10-19 22:34:25,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:25,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571205547] [2020-10-19 22:34:25,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:25,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571205547] [2020-10-19 22:34:25,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114144579] [2020-10-19 22:34:25,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:25,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:25,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-19 22:34:25,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:25,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:34:25,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862252233] [2020-10-19 22:34:25,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:25,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:25,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:25,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:25,635 INFO L87 Difference]: Start difference. First operand 4140 states and 5365 transitions. Second operand 3 states. [2020-10-19 22:34:26,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:26,629 INFO L93 Difference]: Finished difference Result 8287 states and 10744 transitions. [2020-10-19 22:34:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:26,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-10-19 22:34:26,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:26,650 INFO L225 Difference]: With dead ends: 8287 [2020-10-19 22:34:26,650 INFO L226 Difference]: Without dead ends: 4149 [2020-10-19 22:34:26,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:26,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4149 states. [2020-10-19 22:34:26,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4149 to 4140. [2020-10-19 22:34:26,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2020-10-19 22:34:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5322 transitions. [2020-10-19 22:34:26,753 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5322 transitions. Word has length 227 [2020-10-19 22:34:26,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:26,753 INFO L481 AbstractCegarLoop]: Abstraction has 4140 states and 5322 transitions. [2020-10-19 22:34:26,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5322 transitions. [2020-10-19 22:34:26,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-19 22:34:26,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:26,768 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:26,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-19 22:34:26,983 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:26,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:26,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1266910207, now seen corresponding path program 1 times [2020-10-19 22:34:26,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:26,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034301494] [2020-10-19 22:34:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:34:27,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034301494] [2020-10-19 22:34:27,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476713320] [2020-10-19 22:34:27,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:27,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:27,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:27,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-19 22:34:27,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:27,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:34:27,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740982950] [2020-10-19 22:34:27,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:27,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:27,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:27,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:27,617 INFO L87 Difference]: Start difference. First operand 4140 states and 5322 transitions. Second operand 3 states. [2020-10-19 22:34:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:28,920 INFO L93 Difference]: Finished difference Result 12344 states and 15868 transitions. [2020-10-19 22:34:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:28,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-19 22:34:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:28,975 INFO L225 Difference]: With dead ends: 12344 [2020-10-19 22:34:28,976 INFO L226 Difference]: Without dead ends: 8206 [2020-10-19 22:34:28,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:29,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8206 states. [2020-10-19 22:34:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8206 to 8200. [2020-10-19 22:34:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8200 states. [2020-10-19 22:34:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8200 states to 8200 states and 9645 transitions. [2020-10-19 22:34:29,605 INFO L78 Accepts]: Start accepts. Automaton has 8200 states and 9645 transitions. Word has length 233 [2020-10-19 22:34:29,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:29,606 INFO L481 AbstractCegarLoop]: Abstraction has 8200 states and 9645 transitions. [2020-10-19 22:34:29,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 8200 states and 9645 transitions. [2020-10-19 22:34:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-19 22:34:29,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:29,623 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:29,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:29,839 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:29,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:29,839 INFO L82 PathProgramCache]: Analyzing trace with hash 205992449, now seen corresponding path program 1 times [2020-10-19 22:34:29,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:29,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560965364] [2020-10-19 22:34:29,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:29,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560965364] [2020-10-19 22:34:29,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901352360] [2020-10-19 22:34:29,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:30,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:30,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:34:30,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:30,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 22:34:30,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051044216] [2020-10-19 22:34:30,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:30,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:30,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:30,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:30,274 INFO L87 Difference]: Start difference. First operand 8200 states and 9645 transitions. Second operand 3 states. [2020-10-19 22:34:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:31,361 INFO L93 Difference]: Finished difference Result 20464 states and 24514 transitions. [2020-10-19 22:34:31,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:31,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-19 22:34:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:31,426 INFO L225 Difference]: With dead ends: 20464 [2020-10-19 22:34:31,427 INFO L226 Difference]: Without dead ends: 12266 [2020-10-19 22:34:31,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:34:31,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12266 states. [2020-10-19 22:34:31,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12266 to 12260. [2020-10-19 22:34:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12260 states. [2020-10-19 22:34:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12260 states to 12260 states and 14080 transitions. [2020-10-19 22:34:31,695 INFO L78 Accepts]: Start accepts. Automaton has 12260 states and 14080 transitions. Word has length 243 [2020-10-19 22:34:31,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:31,696 INFO L481 AbstractCegarLoop]: Abstraction has 12260 states and 14080 transitions. [2020-10-19 22:34:31,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 12260 states and 14080 transitions. [2020-10-19 22:34:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-19 22:34:31,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:31,722 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:31,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:31,938 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:31,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:31,938 INFO L82 PathProgramCache]: Analyzing trace with hash 729726468, now seen corresponding path program 1 times [2020-10-19 22:34:31,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:31,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026140718] [2020-10-19 22:34:31,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:32,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026140718] [2020-10-19 22:34:32,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:32,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:34:32,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550137344] [2020-10-19 22:34:32,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:32,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:32,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:32,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:32,136 INFO L87 Difference]: Start difference. First operand 12260 states and 14080 transitions. Second operand 3 states. [2020-10-19 22:34:33,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:33,198 INFO L93 Difference]: Finished difference Result 32872 states and 37889 transitions. [2020-10-19 22:34:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:33,199 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2020-10-19 22:34:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:33,236 INFO L225 Difference]: With dead ends: 32872 [2020-10-19 22:34:33,236 INFO L226 Difference]: Without dead ends: 20614 [2020-10-19 22:34:33,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20614 states. [2020-10-19 22:34:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20614 to 18356. [2020-10-19 22:34:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18356 states. [2020-10-19 22:34:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18356 states to 18356 states and 21300 transitions. [2020-10-19 22:34:33,573 INFO L78 Accepts]: Start accepts. Automaton has 18356 states and 21300 transitions. Word has length 264 [2020-10-19 22:34:33,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:33,574 INFO L481 AbstractCegarLoop]: Abstraction has 18356 states and 21300 transitions. [2020-10-19 22:34:33,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 18356 states and 21300 transitions. [2020-10-19 22:34:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-10-19 22:34:33,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:33,605 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:33,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:34:33,606 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:33,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:33,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1179044900, now seen corresponding path program 1 times [2020-10-19 22:34:33,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:33,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535710898] [2020-10-19 22:34:33,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-19 22:34:34,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535710898] [2020-10-19 22:34:34,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822363639] [2020-10-19 22:34:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:34,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:34,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-19 22:34:34,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:34,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:34:34,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345115885] [2020-10-19 22:34:34,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:34,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:34,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:34,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:34:34,603 INFO L87 Difference]: Start difference. First operand 18356 states and 21300 transitions. Second operand 3 states. [2020-10-19 22:34:35,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:35,567 INFO L93 Difference]: Finished difference Result 36513 states and 42394 transitions. [2020-10-19 22:34:35,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:35,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 275 [2020-10-19 22:34:35,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:35,600 INFO L225 Difference]: With dead ends: 36513 [2020-10-19 22:34:35,600 INFO L226 Difference]: Without dead ends: 18362 [2020-10-19 22:34:35,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:34:35,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18362 states. [2020-10-19 22:34:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18362 to 17747. [2020-10-19 22:34:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17747 states. [2020-10-19 22:34:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17747 states to 17747 states and 20376 transitions. [2020-10-19 22:34:35,940 INFO L78 Accepts]: Start accepts. Automaton has 17747 states and 20376 transitions. Word has length 275 [2020-10-19 22:34:35,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:35,941 INFO L481 AbstractCegarLoop]: Abstraction has 17747 states and 20376 transitions. [2020-10-19 22:34:35,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 17747 states and 20376 transitions. [2020-10-19 22:34:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-19 22:34:35,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:35,977 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:36,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:36,190 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:36,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:36,191 INFO L82 PathProgramCache]: Analyzing trace with hash -17999459, now seen corresponding path program 1 times [2020-10-19 22:34:36,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:36,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030074821] [2020-10-19 22:34:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 125 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-19 22:34:36,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030074821] [2020-10-19 22:34:36,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445718317] [2020-10-19 22:34:36,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:34:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:36,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:34:36,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:34:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-10-19 22:34:36,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:34:36,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:34:36,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703894940] [2020-10-19 22:34:36,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:36,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:36,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:36,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:34:36,973 INFO L87 Difference]: Start difference. First operand 17747 states and 20376 transitions. Second operand 3 states. [2020-10-19 22:34:38,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:38,045 INFO L93 Difference]: Finished difference Result 48750 states and 56141 transitions. [2020-10-19 22:34:38,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:38,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-10-19 22:34:38,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:38,091 INFO L225 Difference]: With dead ends: 48750 [2020-10-19 22:34:38,092 INFO L226 Difference]: Without dead ends: 31412 [2020-10-19 22:34:38,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:34:38,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31412 states. [2020-10-19 22:34:39,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31412 to 30584. [2020-10-19 22:34:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30584 states. [2020-10-19 22:34:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30584 states to 30584 states and 34664 transitions. [2020-10-19 22:34:39,065 INFO L78 Accepts]: Start accepts. Automaton has 30584 states and 34664 transitions. Word has length 311 [2020-10-19 22:34:39,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:39,065 INFO L481 AbstractCegarLoop]: Abstraction has 30584 states and 34664 transitions. [2020-10-19 22:34:39,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 30584 states and 34664 transitions. [2020-10-19 22:34:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-10-19 22:34:39,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:34:39,096 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:34:39,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 22:34:39,310 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:34:39,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:34:39,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1765625295, now seen corresponding path program 1 times [2020-10-19 22:34:39,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:34:39,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227829398] [2020-10-19 22:34:39,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:34:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:34:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:34:39,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227829398] [2020-10-19 22:34:39,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:34:39,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:34:39,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136645987] [2020-10-19 22:34:39,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:34:39,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:34:39,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:34:39,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:39,699 INFO L87 Difference]: Start difference. First operand 30584 states and 34664 transitions. Second operand 3 states. [2020-10-19 22:34:40,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:34:40,780 INFO L93 Difference]: Finished difference Result 56059 states and 63401 transitions. [2020-10-19 22:34:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:34:40,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-10-19 22:34:40,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:34:40,781 INFO L225 Difference]: With dead ends: 56059 [2020-10-19 22:34:40,781 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:34:40,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:34:40,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:34:40,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:34:40,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:34:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:34:40,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2020-10-19 22:34:40,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:34:40,806 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:34:40,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:34:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:34:40,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:34:40,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-19 22:34:40,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:34:41,206 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-10-19 22:34:41,432 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-10-19 22:34:41,436 INFO L274 CegarLoopResult]: For program point L1621-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,436 INFO L274 CegarLoopResult]: For program point L1555-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L1489-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L763(lines 763 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L1622(line 1622) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L1556(line 1556) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L499(lines 499 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L1490(line 1490) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L235(lines 235 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,437 INFO L274 CegarLoopResult]: For program point L368(lines 368 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,438 INFO L274 CegarLoopResult]: For program point L1624-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,438 INFO L274 CegarLoopResult]: For program point L1558-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,439 INFO L274 CegarLoopResult]: For program point L1492-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,439 INFO L274 CegarLoopResult]: For program point L303(lines 303 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,439 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,440 INFO L274 CegarLoopResult]: For program point L1625(line 1625) no Hoare annotation was computed. [2020-10-19 22:34:41,440 INFO L274 CegarLoopResult]: For program point L568(lines 568 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,440 INFO L274 CegarLoopResult]: For program point L1559(line 1559) no Hoare annotation was computed. [2020-10-19 22:34:41,440 INFO L274 CegarLoopResult]: For program point L1493(line 1493) no Hoare annotation was computed. [2020-10-19 22:34:41,440 INFO L274 CegarLoopResult]: For program point L436(lines 436 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,440 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,440 INFO L274 CegarLoopResult]: For program point L1097(lines 1097 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,441 INFO L274 CegarLoopResult]: For program point L635(lines 635 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,441 INFO L274 CegarLoopResult]: For program point L1362(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:34:41,441 INFO L274 CegarLoopResult]: For program point L1362-2(lines 1362 1381) no Hoare annotation was computed. [2020-10-19 22:34:41,441 INFO L274 CegarLoopResult]: For program point L1164(lines 1164 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,441 INFO L274 CegarLoopResult]: For program point L107(lines 107 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,441 INFO L274 CegarLoopResult]: For program point L1627-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,442 INFO L274 CegarLoopResult]: For program point L1561-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,442 INFO L274 CegarLoopResult]: For program point L1495-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,442 INFO L274 CegarLoopResult]: For program point L240(lines 240 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,442 INFO L274 CegarLoopResult]: For program point L174(lines 174 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,442 INFO L274 CegarLoopResult]: For program point L1033(lines 1033 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,442 INFO L274 CegarLoopResult]: For program point L901(lines 901 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,443 INFO L274 CegarLoopResult]: For program point L703(lines 703 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,443 INFO L274 CegarLoopResult]: For program point L1628(line 1628) no Hoare annotation was computed. [2020-10-19 22:34:41,443 INFO L274 CegarLoopResult]: For program point L1562(line 1562) no Hoare annotation was computed. [2020-10-19 22:34:41,443 INFO L274 CegarLoopResult]: For program point L1496(line 1496) no Hoare annotation was computed. [2020-10-19 22:34:41,443 INFO L274 CegarLoopResult]: For program point L968(lines 968 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,443 INFO L274 CegarLoopResult]: For program point L771(lines 771 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,443 INFO L274 CegarLoopResult]: For program point L1630-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,444 INFO L274 CegarLoopResult]: For program point L1564-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,444 INFO L274 CegarLoopResult]: For program point L1498-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,444 INFO L274 CegarLoopResult]: For program point L838(lines 838 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,444 INFO L274 CegarLoopResult]: For program point L1631(line 1631) no Hoare annotation was computed. [2020-10-19 22:34:41,444 INFO L274 CegarLoopResult]: For program point L1565(line 1565) no Hoare annotation was computed. [2020-10-19 22:34:41,444 INFO L274 CegarLoopResult]: For program point L1499(line 1499) no Hoare annotation was computed. [2020-10-19 22:34:41,445 INFO L274 CegarLoopResult]: For program point L443(lines 443 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,445 INFO L274 CegarLoopResult]: For program point L1434(lines 1434 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,445 INFO L274 CegarLoopResult]: For program point L576(lines 576 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,445 INFO L274 CegarLoopResult]: For program point L1633-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,445 INFO L274 CegarLoopResult]: For program point L1567-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,445 INFO L274 CegarLoopResult]: For program point L1501-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,446 INFO L274 CegarLoopResult]: For program point L1634(line 1634) no Hoare annotation was computed. [2020-10-19 22:34:41,446 INFO L274 CegarLoopResult]: For program point L1568(line 1568) no Hoare annotation was computed. [2020-10-19 22:34:41,446 INFO L274 CegarLoopResult]: For program point L1502(line 1502) no Hoare annotation was computed. [2020-10-19 22:34:41,446 INFO L274 CegarLoopResult]: For program point L379(lines 379 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,446 INFO L274 CegarLoopResult]: For program point L1106(lines 1106 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,446 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,447 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:34:41,447 INFO L274 CegarLoopResult]: For program point L314(lines 314 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,447 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-19 22:34:41,447 INFO L274 CegarLoopResult]: For program point L1239(lines 1239 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,447 INFO L274 CegarLoopResult]: For program point L116(lines 116 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,447 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:34:41,447 INFO L274 CegarLoopResult]: For program point L1041-2(lines 1041 1061) no Hoare annotation was computed. [2020-10-19 22:34:41,448 INFO L274 CegarLoopResult]: For program point L909(lines 909 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,448 INFO L274 CegarLoopResult]: For program point L711(lines 711 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,448 INFO L274 CegarLoopResult]: For program point L645(lines 645 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,448 INFO L274 CegarLoopResult]: For program point L1636-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,448 INFO L274 CegarLoopResult]: For program point L1570-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,448 INFO L274 CegarLoopResult]: For program point L1504-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,449 INFO L274 CegarLoopResult]: For program point L183(lines 183 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,449 INFO L274 CegarLoopResult]: For program point L712(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:34:41,449 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 733) no Hoare annotation was computed. [2020-10-19 22:34:41,449 INFO L274 CegarLoopResult]: For program point L1637(line 1637) no Hoare annotation was computed. [2020-10-19 22:34:41,449 INFO L274 CegarLoopResult]: For program point L1571(line 1571) no Hoare annotation was computed. [2020-10-19 22:34:41,449 INFO L274 CegarLoopResult]: For program point L1505(line 1505) no Hoare annotation was computed. [2020-10-19 22:34:41,449 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,450 INFO L274 CegarLoopResult]: For program point L250(lines 250 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,450 INFO L274 CegarLoopResult]: For program point L1175(lines 1175 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,450 INFO L274 CegarLoopResult]: For program point L977(lines 977 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,450 INFO L274 CegarLoopResult]: For program point L779(lines 779 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,450 INFO L274 CegarLoopResult]: For program point L515(lines 515 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,450 INFO L274 CegarLoopResult]: For program point L846(lines 846 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,451 INFO L274 CegarLoopResult]: For program point L1639-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,451 INFO L274 CegarLoopResult]: For program point L1573-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,451 INFO L274 CegarLoopResult]: For program point L1507-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,451 INFO L274 CegarLoopResult]: For program point L1640(line 1640) no Hoare annotation was computed. [2020-10-19 22:34:41,451 INFO L274 CegarLoopResult]: For program point L1574(line 1574) no Hoare annotation was computed. [2020-10-19 22:34:41,451 INFO L274 CegarLoopResult]: For program point L1508(line 1508) no Hoare annotation was computed. [2020-10-19 22:34:41,452 INFO L274 CegarLoopResult]: For program point L452(lines 452 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,452 INFO L274 CegarLoopResult]: For program point L585(lines 585 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,452 INFO L274 CegarLoopResult]: For program point L1642-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,452 INFO L274 CegarLoopResult]: For program point L1576-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,452 INFO L274 CegarLoopResult]: For program point L1510-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,452 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,453 INFO L274 CegarLoopResult]: For program point L321(lines 321 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,453 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,453 INFO L274 CegarLoopResult]: For program point L57(lines 57 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,453 INFO L274 CegarLoopResult]: For program point L1643(line 1643) no Hoare annotation was computed. [2020-10-19 22:34:41,453 INFO L274 CegarLoopResult]: For program point L1577(line 1577) no Hoare annotation was computed. [2020-10-19 22:34:41,453 INFO L274 CegarLoopResult]: For program point L1511(line 1511) no Hoare annotation was computed. [2020-10-19 22:34:41,454 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:34:41,454 INFO L274 CegarLoopResult]: For program point L58(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:34:41,454 INFO L274 CegarLoopResult]: For program point L58-2(lines 58 73) no Hoare annotation was computed. [2020-10-19 22:34:41,454 INFO L274 CegarLoopResult]: For program point L786(lines 786 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,454 INFO L274 CegarLoopResult]: For program point L1645-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,454 INFO L274 CegarLoopResult]: For program point L1579-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,454 INFO L274 CegarLoopResult]: For program point L1513-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,455 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,455 INFO L274 CegarLoopResult]: For program point L985(lines 985 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,455 INFO L274 CegarLoopResult]: For program point L919(lines 919 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,455 INFO L274 CegarLoopResult]: For program point L655(lines 655 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,455 INFO L274 CegarLoopResult]: For program point L1646(line 1646) no Hoare annotation was computed. [2020-10-19 22:34:41,455 INFO L274 CegarLoopResult]: For program point L1580(line 1580) no Hoare annotation was computed. [2020-10-19 22:34:41,456 INFO L274 CegarLoopResult]: For program point L1514(line 1514) no Hoare annotation was computed. [2020-10-19 22:34:41,456 INFO L274 CegarLoopResult]: For program point L259(lines 259 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,456 INFO L274 CegarLoopResult]: For program point L193(lines 193 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,456 INFO L274 CegarLoopResult]: For program point L1184(lines 1184 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,456 INFO L274 CegarLoopResult]: For program point L920(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:34:41,456 INFO L274 CegarLoopResult]: For program point L920-2(lines 920 937) no Hoare annotation was computed. [2020-10-19 22:34:41,456 INFO L274 CegarLoopResult]: For program point L524(lines 524 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,457 INFO L274 CegarLoopResult]: For program point L1383(lines 1383 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,457 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,457 INFO L274 CegarLoopResult]: For program point L194(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:34:41,457 INFO L274 CegarLoopResult]: For program point L128(lines 128 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,457 INFO L274 CegarLoopResult]: For program point L194-2(lines 194 213) no Hoare annotation was computed. [2020-10-19 22:34:41,457 INFO L274 CegarLoopResult]: For program point L855(lines 855 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,458 INFO L274 CegarLoopResult]: For program point L1648-1(lines 1648 1650) no Hoare annotation was computed. [2020-10-19 22:34:41,458 INFO L274 CegarLoopResult]: For program point L1582-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,458 INFO L274 CegarLoopResult]: For program point L1516-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,458 INFO L274 CegarLoopResult]: For program point L1384(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:34:41,458 INFO L274 CegarLoopResult]: For program point L1384-2(lines 1384 1402) no Hoare annotation was computed. [2020-10-19 22:34:41,458 INFO L274 CegarLoopResult]: For program point L1252(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:34:41,460 INFO L274 CegarLoopResult]: For program point L1252-2(lines 1252 1274) no Hoare annotation was computed. [2020-10-19 22:34:41,460 INFO L274 CegarLoopResult]: For program point L1649(line 1649) no Hoare annotation was computed. [2020-10-19 22:34:41,460 INFO L274 CegarLoopResult]: For program point L1583(line 1583) no Hoare annotation was computed. [2020-10-19 22:34:41,460 INFO L274 CegarLoopResult]: For program point L1517(line 1517) no Hoare annotation was computed. [2020-10-19 22:34:41,460 INFO L274 CegarLoopResult]: For program point L460(lines 460 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,460 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,461 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:34:41,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:34:41,461 INFO L274 CegarLoopResult]: For program point L660(lines 660 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,463 INFO L270 CegarLoopResult]: At program point L1651(lines 56 1652) the Hoare annotation is: (let ((.cse2 (<= ~a27~0 0)) (.cse1 (<= ~a12~0 0)) (.cse6 (= ~a26~0 ~a11~0)) (.cse4 (= ~a12~0 1)) (.cse0 (= ~a5~0 1)) (.cse5 (= ~a27~0 1)) (.cse3 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (<= ~a3~0 0)) (and .cse4 .cse0 .cse5 .cse3 .cse6 (= ~a15~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (= ~a11~0 0)) (and .cse0 .cse5 .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6 (<= ~a6~0 0)) (and .cse4 .cse0 .cse5 (<= 2 ~a3~0) .cse3))) [2020-10-19 22:34:41,463 INFO L274 CegarLoopResult]: For program point L594(lines 594 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,464 INFO L274 CegarLoopResult]: For program point L1585-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,464 INFO L274 CegarLoopResult]: For program point L1519-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,464 INFO L274 CegarLoopResult]: For program point L1586(line 1586) no Hoare annotation was computed. [2020-10-19 22:34:41,464 INFO L274 CegarLoopResult]: For program point L1520(line 1520) no Hoare annotation was computed. [2020-10-19 22:34:41,464 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,464 INFO L274 CegarLoopResult]: For program point L331(lines 331 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,465 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,465 INFO L277 CegarLoopResult]: At program point L1654(lines 1654 1671) the Hoare annotation is: true [2020-10-19 22:34:41,465 INFO L274 CegarLoopResult]: For program point L531(lines 531 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,466 INFO L274 CegarLoopResult]: For program point L1588-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,466 INFO L274 CegarLoopResult]: For program point L1522-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,466 INFO L274 CegarLoopResult]: For program point L399(lines 399 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,466 INFO L274 CegarLoopResult]: For program point L267(lines 267 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,466 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,466 INFO L274 CegarLoopResult]: For program point L1589(line 1589) no Hoare annotation was computed. [2020-10-19 22:34:41,467 INFO L274 CegarLoopResult]: For program point L1523(line 1523) no Hoare annotation was computed. [2020-10-19 22:34:41,467 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:34:41,467 INFO L274 CegarLoopResult]: For program point L797(lines 797 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,467 INFO L274 CegarLoopResult]: For program point L137(lines 137 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,467 INFO L274 CegarLoopResult]: For program point L996(lines 996 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,467 INFO L274 CegarLoopResult]: For program point L1591-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,467 INFO L274 CegarLoopResult]: For program point L1525-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,468 INFO L274 CegarLoopResult]: For program point L1129(lines 1129 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,468 INFO L274 CegarLoopResult]: For program point L1063(lines 1063 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,468 INFO L274 CegarLoopResult]: For program point L865(lines 865 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,468 INFO L274 CegarLoopResult]: For program point L667(lines 667 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,468 INFO L274 CegarLoopResult]: For program point L1592(line 1592) no Hoare annotation was computed. [2020-10-19 22:34:41,468 INFO L274 CegarLoopResult]: For program point L1526(line 1526) no Hoare annotation was computed. [2020-10-19 22:34:41,469 INFO L274 CegarLoopResult]: For program point L469(lines 469 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,469 INFO L274 CegarLoopResult]: For program point L1328(lines 1328 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,469 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:34:41,469 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-10-19 22:34:41,469 INFO L274 CegarLoopResult]: For program point L735(lines 735 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,470 INFO L270 CegarLoopResult]: At program point L1660-2(lines 1660 1670) the Hoare annotation is: (let ((.cse2 (<= ~a27~0 0)) (.cse1 (<= ~a12~0 0)) (.cse6 (= ~a26~0 ~a11~0)) (.cse4 (= ~a12~0 1)) (.cse0 (= ~a5~0 1)) (.cse5 (= ~a27~0 1)) (.cse3 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (<= ~a3~0 0)) (and .cse4 .cse0 .cse5 .cse3 .cse6 (= ~a15~0 1)) (and .cse4 .cse0 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse3 (= ~a11~0 0)) (and .cse0 .cse5 .cse1 .cse3) (and .cse4 .cse0 .cse5 .cse3 .cse6 (<= ~a6~0 0)) (and .cse4 .cse0 .cse5 (<= 2 ~a3~0) .cse3))) [2020-10-19 22:34:41,470 INFO L274 CegarLoopResult]: For program point L1594-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,470 INFO L274 CegarLoopResult]: For program point L1528-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,470 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,470 INFO L274 CegarLoopResult]: For program point L75(lines 75 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,470 INFO L274 CegarLoopResult]: For program point L1595(line 1595) no Hoare annotation was computed. [2020-10-19 22:34:41,471 INFO L274 CegarLoopResult]: For program point L1529(line 1529) no Hoare annotation was computed. [2020-10-19 22:34:41,471 INFO L274 CegarLoopResult]: For program point L605(lines 605 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,471 INFO L274 CegarLoopResult]: For program point L407(lines 407 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,471 INFO L274 CegarLoopResult]: For program point L341(lines 341 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,471 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,471 INFO L274 CegarLoopResult]: For program point L1068(lines 1068 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,472 INFO L274 CegarLoopResult]: For program point L870(lines 870 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,472 INFO L274 CegarLoopResult]: For program point L1597-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,472 INFO L274 CegarLoopResult]: For program point L1531-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,472 INFO L274 CegarLoopResult]: For program point L871(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:34:41,472 INFO L274 CegarLoopResult]: For program point L871-2(lines 871 889) no Hoare annotation was computed. [2020-10-19 22:34:41,472 INFO L274 CegarLoopResult]: For program point L1598(line 1598) no Hoare annotation was computed. [2020-10-19 22:34:41,473 INFO L274 CegarLoopResult]: For program point L541(lines 541 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,473 INFO L274 CegarLoopResult]: For program point L1532(line 1532) no Hoare annotation was computed. [2020-10-19 22:34:41,473 INFO L274 CegarLoopResult]: For program point L1202(lines 1202 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,473 INFO L274 CegarLoopResult]: For program point L806(lines 806 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,473 INFO L274 CegarLoopResult]: For program point L1665(line 1665) no Hoare annotation was computed. [2020-10-19 22:34:41,473 INFO L274 CegarLoopResult]: For program point L278(lines 278 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,474 INFO L274 CegarLoopResult]: For program point L1005(lines 1005 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,474 INFO L274 CegarLoopResult]: For program point L939(lines 939 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,474 INFO L274 CegarLoopResult]: For program point L1600-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,474 INFO L274 CegarLoopResult]: For program point L1534-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,474 INFO L274 CegarLoopResult]: For program point L1468(lines 1468 1470) no Hoare annotation was computed. [2020-10-19 22:34:41,474 INFO L274 CegarLoopResult]: For program point L1468-2(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,474 INFO L274 CegarLoopResult]: For program point L1601(line 1601) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1535(line 1535) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1469(line 1469) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L148(lines 148 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L677(lines 677 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1338(lines 1338 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L215(lines 215 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1603-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1537-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1471-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:34:41,475 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1423) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L84(lines 84 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L745(lines 745 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L1604(line 1604) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L1538(line 1538) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L1472(line 1472) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L548(lines 548 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L482(lines 482 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L416(lines 416 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point L350(lines 350 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,476 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L1606-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L1540-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L1474-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L1276(lines 1276 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L616(lines 616 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L1607(line 1607) no Hoare annotation was computed. [2020-10-19 22:34:41,477 INFO L274 CegarLoopResult]: For program point L1541(line 1541) no Hoare annotation was computed. [2020-10-19 22:34:41,478 INFO L274 CegarLoopResult]: For program point L1475(line 1475) no Hoare annotation was computed. [2020-10-19 22:34:41,478 INFO L274 CegarLoopResult]: For program point L286(lines 286 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,478 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,478 INFO L274 CegarLoopResult]: For program point L815(lines 815 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,479 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,479 INFO L274 CegarLoopResult]: For program point L1609-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,479 INFO L274 CegarLoopResult]: For program point L1543-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,479 INFO L274 CegarLoopResult]: For program point L1477-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,479 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:34:41,479 INFO L274 CegarLoopResult]: For program point L1213-2(lines 1213 1226) no Hoare annotation was computed. [2020-10-19 22:34:41,480 INFO L274 CegarLoopResult]: For program point L949(lines 949 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,480 INFO L274 CegarLoopResult]: For program point L1610(line 1610) no Hoare annotation was computed. [2020-10-19 22:34:41,481 INFO L274 CegarLoopResult]: For program point L1544(line 1544) no Hoare annotation was computed. [2020-10-19 22:34:41,481 INFO L274 CegarLoopResult]: For program point L1478(line 1478) no Hoare annotation was computed. [2020-10-19 22:34:41,481 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,481 INFO L274 CegarLoopResult]: For program point L157(lines 157 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,482 INFO L274 CegarLoopResult]: For program point L91(lines 91 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,482 INFO L274 CegarLoopResult]: For program point L686(lines 686 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,482 INFO L274 CegarLoopResult]: For program point L224(lines 224 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,482 INFO L274 CegarLoopResult]: For program point L687(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:34:41,482 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 701) no Hoare annotation was computed. [2020-10-19 22:34:41,482 INFO L274 CegarLoopResult]: For program point L1612-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,483 INFO L274 CegarLoopResult]: For program point L1546-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,483 INFO L274 CegarLoopResult]: For program point L1480-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,483 INFO L274 CegarLoopResult]: For program point L1613(line 1613) no Hoare annotation was computed. [2020-10-19 22:34:41,483 INFO L274 CegarLoopResult]: For program point L1547(line 1547) no Hoare annotation was computed. [2020-10-19 22:34:41,483 INFO L274 CegarLoopResult]: For program point L490(lines 490 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,483 INFO L274 CegarLoopResult]: For program point L1481(line 1481) no Hoare annotation was computed. [2020-10-19 22:34:41,483 INFO L274 CegarLoopResult]: For program point L424(lines 424 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,484 INFO L274 CegarLoopResult]: For program point L358(lines 358 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,484 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:34:41,484 INFO L274 CegarLoopResult]: For program point L755(lines 755 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,484 INFO L274 CegarLoopResult]: For program point L624(lines 624 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,484 INFO L274 CegarLoopResult]: For program point L558(lines 558 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,484 INFO L274 CegarLoopResult]: For program point L1615-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,485 INFO L274 CegarLoopResult]: For program point L1549-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,485 INFO L274 CegarLoopResult]: For program point L1483-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,485 INFO L274 CegarLoopResult]: For program point L294(lines 294 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,485 INFO L274 CegarLoopResult]: For program point L1285(lines 1285 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,485 INFO L274 CegarLoopResult]: For program point L1616(line 1616) no Hoare annotation was computed. [2020-10-19 22:34:41,485 INFO L274 CegarLoopResult]: For program point L1550(line 1550) no Hoare annotation was computed. [2020-10-19 22:34:41,485 INFO L274 CegarLoopResult]: For program point L1484(line 1484) no Hoare annotation was computed. [2020-10-19 22:34:41,486 INFO L274 CegarLoopResult]: For program point L1352(lines 1352 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,486 INFO L274 CegarLoopResult]: For program point L1286(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:34:41,486 INFO L274 CegarLoopResult]: For program point L1286-2(lines 1286 1305) no Hoare annotation was computed. [2020-10-19 22:34:41,486 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,486 INFO L274 CegarLoopResult]: For program point L97(lines 97 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,486 INFO L274 CegarLoopResult]: For program point L1088(lines 1088 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,487 INFO L274 CegarLoopResult]: For program point L1023(lines 1023 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,487 INFO L274 CegarLoopResult]: For program point L957(lines 957 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,487 INFO L274 CegarLoopResult]: For program point L891(lines 891 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,487 INFO L274 CegarLoopResult]: For program point L1618-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,487 INFO L274 CegarLoopResult]: For program point L1552-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,487 INFO L274 CegarLoopResult]: For program point L1486-1(lines 56 1652) no Hoare annotation was computed. [2020-10-19 22:34:41,487 INFO L274 CegarLoopResult]: For program point L1619(line 1619) no Hoare annotation was computed. [2020-10-19 22:34:41,488 INFO L274 CegarLoopResult]: For program point L1553(line 1553) no Hoare annotation was computed. [2020-10-19 22:34:41,488 INFO L274 CegarLoopResult]: For program point L1487(line 1487) no Hoare annotation was computed. [2020-10-19 22:34:41,488 INFO L274 CegarLoopResult]: For program point L166(lines 166 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,488 INFO L274 CegarLoopResult]: For program point L827(lines 827 1467) no Hoare annotation was computed. [2020-10-19 22:34:41,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:34:41 BoogieIcfgContainer [2020-10-19 22:34:41,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:34:41,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:34:41,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:34:41,513 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:34:41,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:34:14" (3/4) ... [2020-10-19 22:34:41,518 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:34:41,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:34:41,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:34:41,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:34:41,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:34:41,833 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:34:41,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:34:41,835 INFO L168 Benchmark]: Toolchain (without parser) took 31512.22 ms. Allocated memory was 42.5 MB in the beginning and 440.4 MB in the end (delta: 397.9 MB). Free memory was 17.0 MB in the beginning and 53.0 MB in the end (delta: -36.0 MB). Peak memory consumption was 362.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,835 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 32.0 MB. Free memory was 9.1 MB in the beginning and 9.0 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.48 ms. Allocated memory was 42.5 MB in the beginning and 48.8 MB in the end (delta: 6.3 MB). Free memory was 16.2 MB in the beginning and 19.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.10 ms. Allocated memory was 48.8 MB in the beginning and 51.4 MB in the end (delta: 2.6 MB). Free memory was 19.2 MB in the beginning and 21.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,836 INFO L168 Benchmark]: Boogie Preprocessor took 115.49 ms. Allocated memory is still 51.4 MB. Free memory was 21.3 MB in the beginning and 10.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,837 INFO L168 Benchmark]: RCFGBuilder took 2410.82 ms. Allocated memory was 51.4 MB in the beginning and 97.0 MB in the end (delta: 45.6 MB). Free memory was 10.4 MB in the beginning and 54.0 MB in the end (delta: -43.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,837 INFO L168 Benchmark]: TraceAbstraction took 27208.18 ms. Allocated memory was 97.0 MB in the beginning and 440.4 MB in the end (delta: 343.4 MB). Free memory was 54.0 MB in the beginning and 102.2 MB in the end (delta: -48.1 MB). Peak memory consumption was 295.3 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,838 INFO L168 Benchmark]: Witness Printer took 320.18 ms. Allocated memory is still 440.4 MB. Free memory was 102.2 MB in the beginning and 53.0 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:34:41,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 32.0 MB. Free memory was 9.1 MB in the beginning and 9.0 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1253.48 ms. Allocated memory was 42.5 MB in the beginning and 48.8 MB in the end (delta: 6.3 MB). Free memory was 16.2 MB in the beginning and 19.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 193.10 ms. Allocated memory was 48.8 MB in the beginning and 51.4 MB in the end (delta: 2.6 MB). Free memory was 19.2 MB in the beginning and 21.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 115.49 ms. Allocated memory is still 51.4 MB. Free memory was 21.3 MB in the beginning and 10.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2410.82 ms. Allocated memory was 51.4 MB in the beginning and 97.0 MB in the end (delta: 45.6 MB). Free memory was 10.4 MB in the beginning and 54.0 MB in the end (delta: -43.6 MB). Peak memory consumption was 37.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 27208.18 ms. Allocated memory was 97.0 MB in the beginning and 440.4 MB in the end (delta: 343.4 MB). Free memory was 54.0 MB in the beginning and 102.2 MB in the end (delta: -48.1 MB). Peak memory consumption was 295.3 MB. Max. memory is 14.3 GB. * Witness Printer took 320.18 ms. Allocated memory is still 440.4 MB. Free memory was 102.2 MB in the beginning and 53.0 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 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: 56]: Loop Invariant Derived loop invariant: (((((((((a5 == 1 && a12 <= 0) && a27 <= 0) && a18 == 1) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a15 == 1)) || (((a12 == 1 && a5 == 1) && a27 <= 0) && a18 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a11 == 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a18 == 1)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a18 == 1) - InvariantResult [Line: 1654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1660]: Loop Invariant Derived loop invariant: (((((((((a5 == 1 && a12 <= 0) && a27 <= 0) && a18 == 1) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a15 == 1)) || (((a12 == 1 && a5 == 1) && a27 <= 0) && a18 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a11 == 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a18 == 1)) || (((((a12 == 1 && a5 == 1) && a27 == 1) && a18 == 1) && a26 == a11) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a18 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.4s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1883 SDtfs, 2076 SDslu, 234 SDs, 0 SdLazy, 7937 SolverSat, 1246 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1321 GetRequests, 1294 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30584occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 3745 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 185 NumberOfFragments, 253 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3816 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 792 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 4413 NumberOfCodeBlocks, 4413 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4395 ConstructedInterpolants, 0 QuantifiedInterpolants, 4364394 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2521 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 1224/1259 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...