./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label59.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/Problem11_label59.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 2339cd634015f57a43df9bb5ba89705135f82683 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:14:48,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:14:48,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:14:48,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:14:48,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:14:48,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:14:48,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:14:48,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:14:48,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:14:48,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:14:48,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:14:48,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:14:48,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:14:48,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:14:48,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:14:48,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:14:48,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:14:48,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:14:48,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:14:48,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:14:48,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:14:48,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:14:48,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:14:48,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:14:48,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:14:48,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:14:48,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:14:48,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:14:48,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:14:48,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:14:48,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:14:48,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:14:48,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:14:48,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:14:48,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:14:48,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:14:48,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:14:48,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:14:48,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:14:48,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:14:48,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:14:48,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:14:48,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:14:48,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:14:48,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:14:48,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:14:48,174 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:14:48,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:14:48,174 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:14:48,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:14:48,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:14:48,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:14:48,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:14:48,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:14:48,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:14:48,177 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:14:48,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:14:48,177 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:14:48,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:14:48,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:14:48,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:14:48,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:14:48,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:14:48,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:14:48,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:14:48,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:14:48,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:14:48,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:14:48,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:14:48,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:14:48,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:14:48,181 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 -> 2339cd634015f57a43df9bb5ba89705135f82683 [2020-10-19 23:14:48,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:14:48,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:14:48,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:14:48,414 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:14:48,417 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:14:48,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2020-10-19 23:14:48,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093e5c9ee/47d034090cf64b74b975c2747bcc64e8/FLAG7713c4bef [2020-10-19 23:14:49,122 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:14:49,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2020-10-19 23:14:49,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093e5c9ee/47d034090cf64b74b975c2747bcc64e8/FLAG7713c4bef [2020-10-19 23:14:49,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/093e5c9ee/47d034090cf64b74b975c2747bcc64e8 [2020-10-19 23:14:49,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:14:49,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:14:49,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:14:49,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:14:49,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:14:49,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:14:49" (1/1) ... [2020-10-19 23:14:49,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561514bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:49, skipping insertion in model container [2020-10-19 23:14:49,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:14:49" (1/1) ... [2020-10-19 23:14:49,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:14:49,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:14:50,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:14:50,180 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:14:50,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:14:50,387 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:14:50,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50 WrapperNode [2020-10-19 23:14:50,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:14:50,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:14:50,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:14:50,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:14:50,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:14:50,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:14:50,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:14:50,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:14:50,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... [2020-10-19 23:14:50,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:14:50,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:14:50,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:14:50,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:14:50,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:14:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:14:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:14:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:14:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:14:52,729 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:14:52,730 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:14:52,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:14:52 BoogieIcfgContainer [2020-10-19 23:14:52,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:14:52,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:14:52,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:14:52,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:14:52,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:14:49" (1/3) ... [2020-10-19 23:14:52,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b19f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:14:52, skipping insertion in model container [2020-10-19 23:14:52,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:14:50" (2/3) ... [2020-10-19 23:14:52,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b19f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:14:52, skipping insertion in model container [2020-10-19 23:14:52,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:14:52" (3/3) ... [2020-10-19 23:14:52,741 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label59.c [2020-10-19 23:14:52,754 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:14:52,763 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:14:52,778 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:14:52,852 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:14:52,852 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:14:52,853 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:14:52,854 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:14:52,854 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:14:52,854 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:14:52,854 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:14:52,854 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:14:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-19 23:14:52,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-19 23:14:52,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:52,908 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] [2020-10-19 23:14:52,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:52,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:52,920 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2020-10-19 23:14:52,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:52,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304633783] [2020-10-19 23:14:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:14:53,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304633783] [2020-10-19 23:14:53,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:53,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:14:53,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262869773] [2020-10-19 23:14:53,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:53,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:53,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:53,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:53,422 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-19 23:14:55,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:55,329 INFO L93 Difference]: Finished difference Result 764 states and 1353 transitions. [2020-10-19 23:14:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:55,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-10-19 23:14:55,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:55,353 INFO L225 Difference]: With dead ends: 764 [2020-10-19 23:14:55,353 INFO L226 Difference]: Without dead ends: 416 [2020-10-19 23:14:55,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:55,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-19 23:14:55,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2020-10-19 23:14:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-10-19 23:14:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2020-10-19 23:14:55,435 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 59 [2020-10-19 23:14:55,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:55,436 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2020-10-19 23:14:55,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2020-10-19 23:14:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-19 23:14:55,441 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:55,442 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:14:55,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:14:55,442 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:55,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:55,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1625886686, now seen corresponding path program 1 times [2020-10-19 23:14:55,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:55,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920457036] [2020-10-19 23:14:55,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:14:55,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920457036] [2020-10-19 23:14:55,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:55,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:14:55,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458609041] [2020-10-19 23:14:55,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:55,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:55,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:55,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:55,586 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand 3 states. [2020-10-19 23:14:56,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:56,850 INFO L93 Difference]: Finished difference Result 1189 states and 1922 transitions. [2020-10-19 23:14:56,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:56,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-10-19 23:14:56,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:56,857 INFO L225 Difference]: With dead ends: 1189 [2020-10-19 23:14:56,857 INFO L226 Difference]: Without dead ends: 783 [2020-10-19 23:14:56,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:56,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-19 23:14:56,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-10-19 23:14:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-10-19 23:14:56,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1128 transitions. [2020-10-19 23:14:56,889 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1128 transitions. Word has length 124 [2020-10-19 23:14:56,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:56,890 INFO L481 AbstractCegarLoop]: Abstraction has 783 states and 1128 transitions. [2020-10-19 23:14:56,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1128 transitions. [2020-10-19 23:14:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-19 23:14:56,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:56,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:14:56,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:14:56,901 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:56,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:56,902 INFO L82 PathProgramCache]: Analyzing trace with hash -699731386, now seen corresponding path program 1 times [2020-10-19 23:14:56,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:56,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708648848] [2020-10-19 23:14:56,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:14:57,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708648848] [2020-10-19 23:14:57,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:57,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:14:57,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548410198] [2020-10-19 23:14:57,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:57,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:57,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:57,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:57,099 INFO L87 Difference]: Start difference. First operand 783 states and 1128 transitions. Second operand 3 states. [2020-10-19 23:14:58,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:58,442 INFO L93 Difference]: Finished difference Result 1942 states and 2803 transitions. [2020-10-19 23:14:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:58,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-19 23:14:58,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:58,451 INFO L225 Difference]: With dead ends: 1942 [2020-10-19 23:14:58,451 INFO L226 Difference]: Without dead ends: 1161 [2020-10-19 23:14:58,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-10-19 23:14:58,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1151. [2020-10-19 23:14:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-10-19 23:14:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1538 transitions. [2020-10-19 23:14:58,516 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1538 transitions. Word has length 127 [2020-10-19 23:14:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:58,517 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1538 transitions. [2020-10-19 23:14:58,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1538 transitions. [2020-10-19 23:14:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-19 23:14:58,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:58,520 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:14:58,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:14:58,521 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:58,522 INFO L82 PathProgramCache]: Analyzing trace with hash -200596440, now seen corresponding path program 1 times [2020-10-19 23:14:58,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:58,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114329316] [2020-10-19 23:14:58,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:14:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:14:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:14:58,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114329316] [2020-10-19 23:14:58,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:14:58,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:14:58,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598623612] [2020-10-19 23:14:58,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:14:58,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:14:58,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:14:58,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:58,686 INFO L87 Difference]: Start difference. First operand 1151 states and 1538 transitions. Second operand 3 states. [2020-10-19 23:14:59,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:14:59,933 INFO L93 Difference]: Finished difference Result 2855 states and 3737 transitions. [2020-10-19 23:14:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:14:59,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-19 23:14:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:14:59,944 INFO L225 Difference]: With dead ends: 2855 [2020-10-19 23:14:59,944 INFO L226 Difference]: Without dead ends: 1706 [2020-10-19 23:14:59,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:14:59,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-19 23:14:59,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1703. [2020-10-19 23:14:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-10-19 23:14:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2115 transitions. [2020-10-19 23:14:59,985 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2115 transitions. Word has length 128 [2020-10-19 23:14:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:14:59,986 INFO L481 AbstractCegarLoop]: Abstraction has 1703 states and 2115 transitions. [2020-10-19 23:14:59,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:14:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2115 transitions. [2020-10-19 23:14:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-19 23:14:59,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:14:59,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:14:59,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:14:59,991 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:14:59,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:14:59,991 INFO L82 PathProgramCache]: Analyzing trace with hash -25948149, now seen corresponding path program 1 times [2020-10-19 23:14:59,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:14:59,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144971708] [2020-10-19 23:14:59,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:00,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:00,263 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:15:00,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144971708] [2020-10-19 23:15:00,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:00,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:00,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880633356] [2020-10-19 23:15:00,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:15:00,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:00,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:15:00,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:15:00,267 INFO L87 Difference]: Start difference. First operand 1703 states and 2115 transitions. Second operand 4 states. [2020-10-19 23:15:02,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:02,532 INFO L93 Difference]: Finished difference Result 5262 states and 6698 transitions. [2020-10-19 23:15:02,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:15:02,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 202 [2020-10-19 23:15:02,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:02,555 INFO L225 Difference]: With dead ends: 5262 [2020-10-19 23:15:02,556 INFO L226 Difference]: Without dead ends: 3745 [2020-10-19 23:15:02,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:15:02,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2020-10-19 23:15:02,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3367. [2020-10-19 23:15:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3367 states. [2020-10-19 23:15:02,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3367 states and 4210 transitions. [2020-10-19 23:15:02,634 INFO L78 Accepts]: Start accepts. Automaton has 3367 states and 4210 transitions. Word has length 202 [2020-10-19 23:15:02,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:02,635 INFO L481 AbstractCegarLoop]: Abstraction has 3367 states and 4210 transitions. [2020-10-19 23:15:02,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:15:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 4210 transitions. [2020-10-19 23:15:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-19 23:15:02,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:02,641 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:15:02,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:15:02,641 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:02,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:02,642 INFO L82 PathProgramCache]: Analyzing trace with hash 416577895, now seen corresponding path program 1 times [2020-10-19 23:15:02,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:02,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432475648] [2020-10-19 23:15:02,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:15:02,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432475648] [2020-10-19 23:15:02,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:02,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:02,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227481918] [2020-10-19 23:15:02,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:02,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:02,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:02,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:02,856 INFO L87 Difference]: Start difference. First operand 3367 states and 4210 transitions. Second operand 3 states. [2020-10-19 23:15:04,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:04,478 INFO L93 Difference]: Finished difference Result 7294 states and 9306 transitions. [2020-10-19 23:15:04,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:04,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-19 23:15:04,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:04,502 INFO L225 Difference]: With dead ends: 7294 [2020-10-19 23:15:04,503 INFO L226 Difference]: Without dead ends: 4297 [2020-10-19 23:15:04,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:04,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2020-10-19 23:15:04,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 4288. [2020-10-19 23:15:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4288 states. [2020-10-19 23:15:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 5293 transitions. [2020-10-19 23:15:04,647 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 5293 transitions. Word has length 239 [2020-10-19 23:15:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:04,648 INFO L481 AbstractCegarLoop]: Abstraction has 4288 states and 5293 transitions. [2020-10-19 23:15:04,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 5293 transitions. [2020-10-19 23:15:04,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-19 23:15:04,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:04,657 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:15:04,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:15:04,657 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:04,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:04,658 INFO L82 PathProgramCache]: Analyzing trace with hash 45252903, now seen corresponding path program 1 times [2020-10-19 23:15:04,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:04,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803836194] [2020-10-19 23:15:04,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:15:04,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803836194] [2020-10-19 23:15:04,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:04,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:04,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048016289] [2020-10-19 23:15:04,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:04,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:04,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:04,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:04,896 INFO L87 Difference]: Start difference. First operand 4288 states and 5293 transitions. Second operand 3 states. [2020-10-19 23:15:06,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:06,261 INFO L93 Difference]: Finished difference Result 11352 states and 14232 transitions. [2020-10-19 23:15:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:06,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-10-19 23:15:06,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:06,291 INFO L225 Difference]: With dead ends: 11352 [2020-10-19 23:15:06,291 INFO L226 Difference]: Without dead ends: 7248 [2020-10-19 23:15:06,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7248 states. [2020-10-19 23:15:06,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7248 to 6328. [2020-10-19 23:15:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6328 states. [2020-10-19 23:15:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6328 states to 6328 states and 7782 transitions. [2020-10-19 23:15:06,712 INFO L78 Accepts]: Start accepts. Automaton has 6328 states and 7782 transitions. Word has length 240 [2020-10-19 23:15:06,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:06,713 INFO L481 AbstractCegarLoop]: Abstraction has 6328 states and 7782 transitions. [2020-10-19 23:15:06,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 6328 states and 7782 transitions. [2020-10-19 23:15:06,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-19 23:15:06,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:06,720 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:15:06,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:15:06,721 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:06,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:06,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1175656651, now seen corresponding path program 1 times [2020-10-19 23:15:06,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:06,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138207319] [2020-10-19 23:15:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:15:07,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138207319] [2020-10-19 23:15:07,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:07,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:07,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117450209] [2020-10-19 23:15:07,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:15:07,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:07,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:15:07,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:15:07,005 INFO L87 Difference]: Start difference. First operand 6328 states and 7782 transitions. Second operand 4 states. [2020-10-19 23:15:09,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:09,504 INFO L93 Difference]: Finished difference Result 14138 states and 17500 transitions. [2020-10-19 23:15:09,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:15:09,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2020-10-19 23:15:09,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:09,575 INFO L225 Difference]: With dead ends: 14138 [2020-10-19 23:15:09,578 INFO L226 Difference]: Without dead ends: 8179 [2020-10-19 23:15:09,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:15:09,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8179 states. [2020-10-19 23:15:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8179 to 7802. [2020-10-19 23:15:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7802 states. [2020-10-19 23:15:09,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7802 states to 7802 states and 9446 transitions. [2020-10-19 23:15:09,836 INFO L78 Accepts]: Start accepts. Automaton has 7802 states and 9446 transitions. Word has length 261 [2020-10-19 23:15:09,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:09,837 INFO L481 AbstractCegarLoop]: Abstraction has 7802 states and 9446 transitions. [2020-10-19 23:15:09,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:15:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 7802 states and 9446 transitions. [2020-10-19 23:15:09,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-19 23:15:09,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:09,846 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:15:09,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:15:09,846 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:09,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:09,847 INFO L82 PathProgramCache]: Analyzing trace with hash 371745958, now seen corresponding path program 1 times [2020-10-19 23:15:09,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:09,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950263912] [2020-10-19 23:15:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:15:10,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950263912] [2020-10-19 23:15:10,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612554245] [2020-10-19 23:15:10,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:15:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:10,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 23:15:10,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:15:10,432 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 3, 1] term [2020-10-19 23:15:10,432 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-19 23:15:10,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:15:10,453 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:15:10,477 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-19 23:15:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:15:10,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 23:15:10,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-19 23:15:10,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836215746] [2020-10-19 23:15:10,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:15:10,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:10,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:15:10,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:15:10,723 INFO L87 Difference]: Start difference. First operand 7802 states and 9446 transitions. Second operand 4 states. [2020-10-19 23:15:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:13,796 INFO L93 Difference]: Finished difference Result 18568 states and 22215 transitions. [2020-10-19 23:15:13,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 23:15:13,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 313 [2020-10-19 23:15:13,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:13,823 INFO L225 Difference]: With dead ends: 18568 [2020-10-19 23:15:13,824 INFO L226 Difference]: Without dead ends: 10584 [2020-10-19 23:15:13,834 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:15:13,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10584 states. [2020-10-19 23:15:13,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10584 to 8170. [2020-10-19 23:15:13,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8170 states. [2020-10-19 23:15:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 9709 transitions. [2020-10-19 23:15:13,977 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 9709 transitions. Word has length 313 [2020-10-19 23:15:13,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:13,978 INFO L481 AbstractCegarLoop]: Abstraction has 8170 states and 9709 transitions. [2020-10-19 23:15:13,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:15:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 9709 transitions. [2020-10-19 23:15:13,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-19 23:15:13,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:13,988 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:15:14,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-19 23:15:14,203 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:14,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:14,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1832930930, now seen corresponding path program 1 times [2020-10-19 23:15:14,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:14,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358246630] [2020-10-19 23:15:14,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-19 23:15:14,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358246630] [2020-10-19 23:15:14,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:14,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:14,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445662571] [2020-10-19 23:15:14,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:14,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:14,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:14,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:14,504 INFO L87 Difference]: Start difference. First operand 8170 states and 9709 transitions. Second operand 3 states. [2020-10-19 23:15:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:15,974 INFO L93 Difference]: Finished difference Result 18375 states and 21984 transitions. [2020-10-19 23:15:15,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:15,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-10-19 23:15:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:15,994 INFO L225 Difference]: With dead ends: 18375 [2020-10-19 23:15:15,995 INFO L226 Difference]: Without dead ends: 10575 [2020-10-19 23:15:16,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:16,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10575 states. [2020-10-19 23:15:16,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10575 to 10387. [2020-10-19 23:15:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10387 states. [2020-10-19 23:15:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10387 states to 10387 states and 12180 transitions. [2020-10-19 23:15:16,204 INFO L78 Accepts]: Start accepts. Automaton has 10387 states and 12180 transitions. Word has length 328 [2020-10-19 23:15:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:16,205 INFO L481 AbstractCegarLoop]: Abstraction has 10387 states and 12180 transitions. [2020-10-19 23:15:16,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 10387 states and 12180 transitions. [2020-10-19 23:15:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-19 23:15:16,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:16,220 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 23:15:16,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:15:16,221 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:16,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:16,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1788227563, now seen corresponding path program 1 times [2020-10-19 23:15:16,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:16,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672101318] [2020-10-19 23:15:16,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2020-10-19 23:15:16,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672101318] [2020-10-19 23:15:16,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:16,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:16,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130184946] [2020-10-19 23:15:16,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:16,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:16,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:16,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:16,498 INFO L87 Difference]: Start difference. First operand 10387 states and 12180 transitions. Second operand 3 states. [2020-10-19 23:15:18,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:18,348 INFO L93 Difference]: Finished difference Result 22246 states and 26070 transitions. [2020-10-19 23:15:18,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:18,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2020-10-19 23:15:18,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:18,374 INFO L225 Difference]: With dead ends: 22246 [2020-10-19 23:15:18,374 INFO L226 Difference]: Without dead ends: 12229 [2020-10-19 23:15:18,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:18,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12229 states. [2020-10-19 23:15:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12229 to 10016. [2020-10-19 23:15:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10016 states. [2020-10-19 23:15:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 11632 transitions. [2020-10-19 23:15:18,546 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 11632 transitions. Word has length 338 [2020-10-19 23:15:18,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:18,547 INFO L481 AbstractCegarLoop]: Abstraction has 10016 states and 11632 transitions. [2020-10-19 23:15:18,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 11632 transitions. [2020-10-19 23:15:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-19 23:15:18,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:18,563 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, 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, 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] [2020-10-19 23:15:18,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:15:18,563 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:18,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:18,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1688999866, now seen corresponding path program 1 times [2020-10-19 23:15:18,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:18,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661847676] [2020-10-19 23:15:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-19 23:15:19,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661847676] [2020-10-19 23:15:19,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:19,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:15:19,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195085450] [2020-10-19 23:15:19,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:19,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:19,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:19,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:19,075 INFO L87 Difference]: Start difference. First operand 10016 states and 11632 transitions. Second operand 3 states. [2020-10-19 23:15:19,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:19,831 INFO L93 Difference]: Finished difference Result 19656 states and 22870 transitions. [2020-10-19 23:15:19,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:19,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-10-19 23:15:19,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:19,849 INFO L225 Difference]: With dead ends: 19656 [2020-10-19 23:15:19,849 INFO L226 Difference]: Without dead ends: 10010 [2020-10-19 23:15:19,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10010 states. [2020-10-19 23:15:20,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10010 to 10010. [2020-10-19 23:15:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10010 states. [2020-10-19 23:15:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 11619 transitions. [2020-10-19 23:15:20,020 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 11619 transitions. Word has length 341 [2020-10-19 23:15:20,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:20,021 INFO L481 AbstractCegarLoop]: Abstraction has 10010 states and 11619 transitions. [2020-10-19 23:15:20,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 11619 transitions. [2020-10-19 23:15:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-19 23:15:20,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:20,037 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, 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, 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] [2020-10-19 23:15:20,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 23:15:20,037 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:20,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:20,038 INFO L82 PathProgramCache]: Analyzing trace with hash -713468782, now seen corresponding path program 1 times [2020-10-19 23:15:20,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:20,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080382059] [2020-10-19 23:15:20,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:15:20,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080382059] [2020-10-19 23:15:20,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677340460] [2020-10-19 23:15:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:15:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:20,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-19 23:15:20,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:15:21,031 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-19 23:15:21,039 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:15:21,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:15:21,057 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:15:21,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-19 23:15:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:15:21,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-19 23:15:21,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-19 23:15:21,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847365573] [2020-10-19 23:15:21,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:15:21,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:21,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:15:21,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:15:21,343 INFO L87 Difference]: Start difference. First operand 10010 states and 11619 transitions. Second operand 7 states. [2020-10-19 23:15:25,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:25,121 INFO L93 Difference]: Finished difference Result 19701 states and 22694 transitions. [2020-10-19 23:15:25,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-19 23:15:25,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2020-10-19 23:15:25,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:25,168 INFO L225 Difference]: With dead ends: 19701 [2020-10-19 23:15:25,169 INFO L226 Difference]: Without dead ends: 10061 [2020-10-19 23:15:25,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 363 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-19 23:15:25,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10061 states. [2020-10-19 23:15:25,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10061 to 8152. [2020-10-19 23:15:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8152 states. [2020-10-19 23:15:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8152 states to 8152 states and 9272 transitions. [2020-10-19 23:15:25,294 INFO L78 Accepts]: Start accepts. Automaton has 8152 states and 9272 transitions. Word has length 365 [2020-10-19 23:15:25,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:25,295 INFO L481 AbstractCegarLoop]: Abstraction has 8152 states and 9272 transitions. [2020-10-19 23:15:25,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:15:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 8152 states and 9272 transitions. [2020-10-19 23:15:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-19 23:15:25,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:25,318 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-19 23:15:25,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-19 23:15:25,531 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:25,533 INFO L82 PathProgramCache]: Analyzing trace with hash 875235954, now seen corresponding path program 1 times [2020-10-19 23:15:25,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:25,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173350205] [2020-10-19 23:15:25,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-19 23:15:25,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173350205] [2020-10-19 23:15:25,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:25,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:25,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743531610] [2020-10-19 23:15:25,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:25,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:25,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:25,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:25,941 INFO L87 Difference]: Start difference. First operand 8152 states and 9272 transitions. Second operand 3 states. [2020-10-19 23:15:27,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:27,308 INFO L93 Difference]: Finished difference Result 17411 states and 19880 transitions. [2020-10-19 23:15:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:27,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2020-10-19 23:15:27,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:27,325 INFO L225 Difference]: With dead ends: 17411 [2020-10-19 23:15:27,326 INFO L226 Difference]: Without dead ends: 9445 [2020-10-19 23:15:27,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:27,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2020-10-19 23:15:27,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9072. [2020-10-19 23:15:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9072 states. [2020-10-19 23:15:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9072 states to 9072 states and 10272 transitions. [2020-10-19 23:15:27,454 INFO L78 Accepts]: Start accepts. Automaton has 9072 states and 10272 transitions. Word has length 381 [2020-10-19 23:15:27,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:27,454 INFO L481 AbstractCegarLoop]: Abstraction has 9072 states and 10272 transitions. [2020-10-19 23:15:27,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 9072 states and 10272 transitions. [2020-10-19 23:15:27,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-10-19 23:15:27,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:27,476 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:15:27,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-19 23:15:27,477 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:27,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:27,478 INFO L82 PathProgramCache]: Analyzing trace with hash -730563007, now seen corresponding path program 1 times [2020-10-19 23:15:27,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:27,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121451375] [2020-10-19 23:15:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:27,872 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-19 23:15:27,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121451375] [2020-10-19 23:15:27,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:27,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:27,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605982291] [2020-10-19 23:15:27,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:27,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:27,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:27,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:27,875 INFO L87 Difference]: Start difference. First operand 9072 states and 10272 transitions. Second operand 3 states. [2020-10-19 23:15:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:29,064 INFO L93 Difference]: Finished difference Result 17771 states and 20159 transitions. [2020-10-19 23:15:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:29,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 396 [2020-10-19 23:15:29,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:29,076 INFO L225 Difference]: With dead ends: 17771 [2020-10-19 23:15:29,076 INFO L226 Difference]: Without dead ends: 9069 [2020-10-19 23:15:29,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9069 states. [2020-10-19 23:15:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9069 to 9069. [2020-10-19 23:15:29,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9069 states. [2020-10-19 23:15:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9069 states to 9069 states and 10154 transitions. [2020-10-19 23:15:29,175 INFO L78 Accepts]: Start accepts. Automaton has 9069 states and 10154 transitions. Word has length 396 [2020-10-19 23:15:29,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:29,176 INFO L481 AbstractCegarLoop]: Abstraction has 9069 states and 10154 transitions. [2020-10-19 23:15:29,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 9069 states and 10154 transitions. [2020-10-19 23:15:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-10-19 23:15:29,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:15:29,187 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:15:29,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-19 23:15:29,187 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:15:29,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:15:29,188 INFO L82 PathProgramCache]: Analyzing trace with hash -2126634708, now seen corresponding path program 1 times [2020-10-19 23:15:29,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:15:29,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989295778] [2020-10-19 23:15:29,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:15:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:15:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-19 23:15:29,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989295778] [2020-10-19 23:15:29,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:15:29,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:15:29,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221435390] [2020-10-19 23:15:29,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:15:29,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:15:29,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:15:29,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:29,482 INFO L87 Difference]: Start difference. First operand 9069 states and 10154 transitions. Second operand 3 states. [2020-10-19 23:15:30,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:15:30,912 INFO L93 Difference]: Finished difference Result 19238 states and 21554 transitions. [2020-10-19 23:15:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:15:30,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 411 [2020-10-19 23:15:30,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:15:30,916 INFO L225 Difference]: With dead ends: 19238 [2020-10-19 23:15:30,916 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:15:30,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:15:30,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:15:30,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:15:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:15:30,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:15:30,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411 [2020-10-19 23:15:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:15:30,926 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:15:30,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:15:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:15:30,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:15:30,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-19 23:15:30,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:15:31,168 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 111 [2020-10-19 23:15:31,459 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 111 [2020-10-19 23:15:31,971 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-10-19 23:15:32,481 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-10-19 23:15:32,486 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,486 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,487 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,487 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 266)) (.cse6 (<= ~a25~0 10)) (.cse0 (<= 10 ~a25~0)) (.cse4 (<= ~a29~0 220)) (.cse5 (<= ~a23~0 137)) (.cse7 (= ~a4~0 1)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 12)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 (<= 246 ~a29~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 (<= 260 ~a29~0) .cse1 .cse2) (and .cse6 .cse5 .cse0 .cse7) (and .cse0 .cse1 .cse7 .cse2) (and .cse6 .cse0 .cse1 .cse4 .cse2) (and .cse5 (<= ~a29~0 130) .cse8 .cse7) (and (<= 141 ~a29~0) .cse1 .cse7 .cse2) (and .cse1 .cse8 .cse2))) [2020-10-19 23:15:32,487 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,487 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:15:32,488 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-19 23:15:32,488 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,488 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,488 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,489 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,489 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,489 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,489 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-19 23:15:32,489 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-19 23:15:32,489 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-19 23:15:32,489 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-19 23:15:32,490 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,490 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,490 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,490 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,490 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,491 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,491 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,491 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-19 23:15:32,491 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-19 23:15:32,491 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-19 23:15:32,491 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-19 23:15:32,492 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 266)) (.cse6 (<= ~a25~0 10)) (.cse0 (<= 10 ~a25~0)) (.cse4 (<= ~a29~0 220)) (.cse5 (<= ~a23~0 137)) (.cse7 (= ~a4~0 1)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 12)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 (<= 246 ~a29~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 (<= 260 ~a29~0) .cse1 .cse2) (and .cse6 .cse5 .cse0 .cse7) (and .cse0 .cse1 .cse7 .cse2) (and .cse6 .cse0 .cse1 .cse4 .cse2) (and .cse5 (<= ~a29~0 130) .cse8 .cse7) (and (<= 141 ~a29~0) .cse1 .cse7 .cse2) (and .cse1 .cse8 .cse2))) [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,493 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,494 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,495 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-19 23:15:32,496 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-19 23:15:32,497 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:15:32,498 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,499 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-19 23:15:32,500 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,501 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,502 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,503 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:15:32,504 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-19 23:15:32,505 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-19 23:15:32,506 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-19 23:15:32,507 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,508 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-19 23:15:32,509 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,510 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,511 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,512 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-19 23:15:32,513 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-19 23:15:32,514 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-19 23:15:32,515 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-19 23:15:32,515 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-19 23:15:32,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:15:32 BoogieIcfgContainer [2020-10-19 23:15:32,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:15:32,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:15:32,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:15:32,540 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:15:32,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:14:52" (3/4) ... [2020-10-19 23:15:32,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:15:32,575 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:15:32,577 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:15:32,578 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:15:32,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:15:32,862 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:15:32,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:15:32,864 INFO L168 Benchmark]: Toolchain (without parser) took 43500.88 ms. Allocated memory was 36.7 MB in the beginning and 470.3 MB in the end (delta: 433.6 MB). Free memory was 7.6 MB in the beginning and 199.1 MB in the end (delta: -191.5 MB). Peak memory consumption was 242.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,864 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 36.7 MB. Free memory was 15.4 MB in the beginning and 15.3 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1020.57 ms. Allocated memory was 36.7 MB in the beginning and 48.8 MB in the end (delta: 12.1 MB). Free memory was 6.7 MB in the beginning and 23.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 358.40 ms. Allocated memory was 48.8 MB in the beginning and 59.2 MB in the end (delta: 10.5 MB). Free memory was 23.0 MB in the beginning and 32.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,865 INFO L168 Benchmark]: Boogie Preprocessor took 158.69 ms. Allocated memory is still 59.2 MB. Free memory was 32.0 MB in the beginning and 21.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,866 INFO L168 Benchmark]: RCFGBuilder took 1823.34 ms. Allocated memory was 59.2 MB in the beginning and 75.5 MB in the end (delta: 16.3 MB). Free memory was 21.4 MB in the beginning and 17.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,866 INFO L168 Benchmark]: TraceAbstraction took 39806.22 ms. Allocated memory was 75.5 MB in the beginning and 470.3 MB in the end (delta: 394.8 MB). Free memory was 16.5 MB in the beginning and 233.6 MB in the end (delta: -217.1 MB). Peak memory consumption was 351.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,867 INFO L168 Benchmark]: Witness Printer took 321.82 ms. Allocated memory is still 470.3 MB. Free memory was 233.6 MB in the beginning and 199.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:15:32,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 36.7 MB. Free memory was 15.4 MB in the beginning and 15.3 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1020.57 ms. Allocated memory was 36.7 MB in the beginning and 48.8 MB in the end (delta: 12.1 MB). Free memory was 6.7 MB in the beginning and 23.0 MB in the end (delta: -16.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 358.40 ms. Allocated memory was 48.8 MB in the beginning and 59.2 MB in the end (delta: 10.5 MB). Free memory was 23.0 MB in the beginning and 32.0 MB in the end (delta: -9.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 158.69 ms. Allocated memory is still 59.2 MB. Free memory was 32.0 MB in the beginning and 21.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1823.34 ms. Allocated memory was 59.2 MB in the beginning and 75.5 MB in the end (delta: 16.3 MB). Free memory was 21.4 MB in the beginning and 17.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 39806.22 ms. Allocated memory was 75.5 MB in the beginning and 470.3 MB in the end (delta: 394.8 MB). Free memory was 16.5 MB in the beginning and 233.6 MB in the end (delta: -217.1 MB). Peak memory consumption was 351.5 MB. Max. memory is 14.3 GB. * Witness Printer took 321.82 ms. Allocated memory is still 470.3 MB. Free memory was 233.6 MB in the beginning and 199.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 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: 24]: Loop Invariant Derived loop invariant: ((((((((((((10 <= a25 && a8 == 15) && 246 <= a29) && a3 == 1) && a23 <= 266) || (((a8 == 15 && a29 <= 220) && a3 == 1) && a23 <= 266)) || (((a23 <= 137 && 10 <= a25) && a8 == 15) && a3 == 1)) || (((a23 <= 137 && 260 <= a29) && a8 == 15) && a3 == 1)) || (((a25 <= 10 && a23 <= 137) && 10 <= a25) && a4 == 1)) || (((10 <= a25 && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a25 <= 10 && 10 <= a25) && a8 == 15) && a29 <= 220) && a3 == 1)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((141 <= a29 && a8 == 15) && a4 == 1) && a3 == 1)) || ((a8 == 15 && a25 == 12) && a3 == 1) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((((10 <= a25 && a8 == 15) && 246 <= a29) && a3 == 1) && a23 <= 266) || (((a8 == 15 && a29 <= 220) && a3 == 1) && a23 <= 266)) || (((a23 <= 137 && 10 <= a25) && a8 == 15) && a3 == 1)) || (((a23 <= 137 && 260 <= a29) && a8 == 15) && a3 == 1)) || (((a25 <= 10 && a23 <= 137) && 10 <= a25) && a4 == 1)) || (((10 <= a25 && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a25 <= 10 && 10 <= a25) && a8 == 15) && a29 <= 220) && a3 == 1)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((141 <= a29 && a8 == 15) && a4 == 1) && a3 == 1)) || ((a8 == 15 && a25 == 12) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.0s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 28.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2841 SDtfs, 4002 SDslu, 392 SDs, 0 SdLazy, 12131 SolverSat, 2370 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 697 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10387occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 8802 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 269 HoareAnnotationTreeSize, 3 FomulaSimplifications, 26769 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 16946 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 4931 NumberOfCodeBlocks, 4931 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4913 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617286 SizeOfPredicates, 8 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 3676/4016 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...