./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/Problem10_label20.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 5f1b516ad92cff7c57e645cab8ee25525b51209a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:26:50,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:26:50,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:26:50,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:26:50,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:26:50,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:26:50,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:26:50,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:26:50,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:26:50,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:26:50,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:26:50,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:26:50,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:26:50,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:26:50,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:26:50,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:26:50,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:26:50,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:26:50,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:26:50,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:26:50,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:26:50,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:26:50,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:26:50,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:26:50,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:26:50,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:26:50,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:26:50,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:26:50,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:26:50,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:26:50,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:26:50,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:26:50,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:26:50,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:26:50,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:26:50,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:26:50,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:26:50,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:26:50,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:26:50,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:26:50,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:26:50,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:26:50,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:26:50,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:26:50,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:26:50,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:26:50,248 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:26:50,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:26:50,248 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:26:50,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:26:50,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:26:50,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:26:50,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:26:50,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:26:50,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:26:50,251 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:26:50,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:26:50,251 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:26:50,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:26:50,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:26:50,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:26:50,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:26:50,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:26:50,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:26:50,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:26:50,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:26:50,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:26:50,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:26:50,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:26:50,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:26:50,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:26:50,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f1b516ad92cff7c57e645cab8ee25525b51209a [2020-10-25 20:26:50,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:26:50,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:26:50,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:26:50,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:26:50,721 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:26:50,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label20.c [2020-10-25 20:26:50,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a631de6/58e8bbdecff2467fa88427923c058522/FLAG774ba274d [2020-10-25 20:26:51,470 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:26:51,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label20.c [2020-10-25 20:26:51,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a631de6/58e8bbdecff2467fa88427923c058522/FLAG774ba274d [2020-10-25 20:26:51,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a631de6/58e8bbdecff2467fa88427923c058522 [2020-10-25 20:26:51,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:26:51,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:26:51,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:26:51,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:26:51,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:26:51,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:26:51" (1/1) ... [2020-10-25 20:26:51,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce9481c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:51, skipping insertion in model container [2020-10-25 20:26:51,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:26:51" (1/1) ... [2020-10-25 20:26:51,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:26:51,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:26:52,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:26:52,281 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:26:52,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:26:52,439 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:26:52,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52 WrapperNode [2020-10-25 20:26:52,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:26:52,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:26:52,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:26:52,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:26:52,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:26:52,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:26:52,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:26:52,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:26:52,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (1/1) ... [2020-10-25 20:26:52,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:26:52,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:26:52,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:26:52,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:26:52,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (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 [2020-10-25 20:26:52,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:26:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:26:52,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:26:52,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:26:54,182 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:26:54,183 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:26:54,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:54 BoogieIcfgContainer [2020-10-25 20:26:54,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:26:54,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:26:54,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:26:54,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:26:54,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:26:51" (1/3) ... [2020-10-25 20:26:54,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35444980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:26:54, skipping insertion in model container [2020-10-25 20:26:54,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:52" (2/3) ... [2020-10-25 20:26:54,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35444980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:26:54, skipping insertion in model container [2020-10-25 20:26:54,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:54" (3/3) ... [2020-10-25 20:26:54,194 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label20.c [2020-10-25 20:26:54,203 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:26:54,207 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:26:54,220 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:26:54,248 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:26:54,248 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:26:54,249 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:26:54,249 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:26:54,249 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:26:54,249 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:26:54,249 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:26:54,250 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:26:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-25 20:26:54,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-25 20:26:54,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:54,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:54,278 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:54,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:54,285 INFO L82 PathProgramCache]: Analyzing trace with hash -716875070, now seen corresponding path program 1 times [2020-10-25 20:26:54,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:54,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998868431] [2020-10-25 20:26:54,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:54,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998868431] [2020-10-25 20:26:54,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:54,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:26:54,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560431620] [2020-10-25 20:26:54,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:54,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:54,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:54,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:54,698 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-25 20:26:55,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:55,865 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-10-25 20:26:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:55,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-10-25 20:26:55,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:55,883 INFO L225 Difference]: With dead ends: 553 [2020-10-25 20:26:55,883 INFO L226 Difference]: Without dead ends: 282 [2020-10-25 20:26:55,888 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 [2020-10-25 20:26:55,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-25 20:26:55,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-25 20:26:55,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-25 20:26:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-10-25 20:26:55,955 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 28 [2020-10-25 20:26:55,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:55,956 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-10-25 20:26:55,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:55,956 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-10-25 20:26:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-25 20:26:55,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:55,961 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:55,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:26:55,961 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:55,962 INFO L82 PathProgramCache]: Analyzing trace with hash 2109759789, now seen corresponding path program 1 times [2020-10-25 20:26:55,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:55,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175046738] [2020-10-25 20:26:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:56,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175046738] [2020-10-25 20:26:56,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:56,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:26:56,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287809369] [2020-10-25 20:26:56,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:56,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:56,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:56,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:56,152 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-10-25 20:26:57,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:57,103 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-10-25 20:26:57,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:57,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-10-25 20:26:57,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:57,108 INFO L225 Difference]: With dead ends: 701 [2020-10-25 20:26:57,109 INFO L226 Difference]: Without dead ends: 421 [2020-10-25 20:26:57,111 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 [2020-10-25 20:26:57,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-25 20:26:57,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-10-25 20:26:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-25 20:26:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-10-25 20:26:57,137 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 97 [2020-10-25 20:26:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:57,138 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-10-25 20:26:57,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-10-25 20:26:57,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-25 20:26:57,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:57,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:57,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:26:57,144 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:57,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:57,144 INFO L82 PathProgramCache]: Analyzing trace with hash 879221854, now seen corresponding path program 1 times [2020-10-25 20:26:57,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:57,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135755778] [2020-10-25 20:26:57,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:57,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135755778] [2020-10-25 20:26:57,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:57,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:57,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609662546] [2020-10-25 20:26:57,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:57,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:57,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:57,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:57,278 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 3 states. [2020-10-25 20:26:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:58,129 INFO L93 Difference]: Finished difference Result 562 states and 787 transitions. [2020-10-25 20:26:58,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:58,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-10-25 20:26:58,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:58,134 INFO L225 Difference]: With dead ends: 562 [2020-10-25 20:26:58,134 INFO L226 Difference]: Without dead ends: 560 [2020-10-25 20:26:58,135 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 [2020-10-25 20:26:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-25 20:26:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2020-10-25 20:26:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-25 20:26:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-10-25 20:26:58,171 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 103 [2020-10-25 20:26:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:58,172 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-10-25 20:26:58,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-10-25 20:26:58,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-25 20:26:58,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:58,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:58,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:26:58,178 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:58,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:58,186 INFO L82 PathProgramCache]: Analyzing trace with hash 659995248, now seen corresponding path program 1 times [2020-10-25 20:26:58,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:58,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391084084] [2020-10-25 20:26:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:58,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391084084] [2020-10-25 20:26:58,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:58,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:58,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589665615] [2020-10-25 20:26:58,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:26:58,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:58,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:26:58,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:26:58,438 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 4 states. [2020-10-25 20:26:59,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:59,392 INFO L93 Difference]: Finished difference Result 990 states and 1390 transitions. [2020-10-25 20:26:59,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 20:26:59,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-10-25 20:26:59,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:59,402 INFO L225 Difference]: With dead ends: 990 [2020-10-25 20:26:59,402 INFO L226 Difference]: Without dead ends: 571 [2020-10-25 20:26:59,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:26:59,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-10-25 20:26:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2020-10-25 20:26:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-25 20:26:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2020-10-25 20:26:59,424 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 106 [2020-10-25 20:26:59,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:59,425 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2020-10-25 20:26:59,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:26:59,425 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2020-10-25 20:26:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-25 20:26:59,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:59,429 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:26:59,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:26:59,430 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:59,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:59,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1634593020, now seen corresponding path program 1 times [2020-10-25 20:26:59,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:59,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913753748] [2020-10-25 20:26:59,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:59,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913753748] [2020-10-25 20:26:59,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:59,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:26:59,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114988994] [2020-10-25 20:26:59,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:59,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:59,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:59,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:59,596 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2020-10-25 20:27:00,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:00,322 INFO L93 Difference]: Finished difference Result 1257 states and 1713 transitions. [2020-10-25 20:27:00,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:00,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-10-25 20:27:00,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:00,330 INFO L225 Difference]: With dead ends: 1257 [2020-10-25 20:27:00,330 INFO L226 Difference]: Without dead ends: 838 [2020-10-25 20:27:00,332 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 [2020-10-25 20:27:00,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-25 20:27:00,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-10-25 20:27:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-25 20:27:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2020-10-25 20:27:00,350 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 172 [2020-10-25 20:27:00,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:00,350 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2020-10-25 20:27:00,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:00,351 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2020-10-25 20:27:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-25 20:27:00,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:00,355 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:00,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:27:00,356 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:00,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:00,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1239767820, now seen corresponding path program 1 times [2020-10-25 20:27:00,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:00,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074864502] [2020-10-25 20:27:00,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:00,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074864502] [2020-10-25 20:27:00,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:00,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 20:27:00,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079421968] [2020-10-25 20:27:00,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 20:27:00,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:00,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 20:27:00,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:00,827 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 7 states. [2020-10-25 20:27:01,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:01,555 INFO L93 Difference]: Finished difference Result 1312 states and 1687 transitions. [2020-10-25 20:27:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 20:27:01,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-10-25 20:27:01,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:01,560 INFO L225 Difference]: With dead ends: 1312 [2020-10-25 20:27:01,560 INFO L226 Difference]: Without dead ends: 699 [2020-10-25 20:27:01,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:01,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-10-25 20:27:01,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-10-25 20:27:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-25 20:27:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 885 transitions. [2020-10-25 20:27:01,594 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 885 transitions. Word has length 181 [2020-10-25 20:27:01,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:01,598 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 885 transitions. [2020-10-25 20:27:01,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 20:27:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 885 transitions. [2020-10-25 20:27:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-25 20:27:01,602 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:01,603 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:01,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:27:01,604 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:01,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:01,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1114306482, now seen corresponding path program 1 times [2020-10-25 20:27:01,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:01,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416806549] [2020-10-25 20:27:01,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:01,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416806549] [2020-10-25 20:27:01,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:01,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:01,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768080971] [2020-10-25 20:27:01,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:01,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:01,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:01,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:01,825 INFO L87 Difference]: Start difference. First operand 699 states and 885 transitions. Second operand 3 states. [2020-10-25 20:27:02,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:02,589 INFO L93 Difference]: Finished difference Result 1674 states and 2215 transitions. [2020-10-25 20:27:02,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:02,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-10-25 20:27:02,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:02,596 INFO L225 Difference]: With dead ends: 1674 [2020-10-25 20:27:02,596 INFO L226 Difference]: Without dead ends: 1116 [2020-10-25 20:27:02,598 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 [2020-10-25 20:27:02,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-25 20:27:02,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2020-10-25 20:27:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-25 20:27:02,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1213 transitions. [2020-10-25 20:27:02,622 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1213 transitions. Word has length 217 [2020-10-25 20:27:02,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:02,623 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1213 transitions. [2020-10-25 20:27:02,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1213 transitions. [2020-10-25 20:27:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-25 20:27:02,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:02,628 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:02,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:27:02,629 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:02,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:02,629 INFO L82 PathProgramCache]: Analyzing trace with hash -982585202, now seen corresponding path program 1 times [2020-10-25 20:27:02,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:02,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085134605] [2020-10-25 20:27:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 51 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:03,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085134605] [2020-10-25 20:27:03,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008083739] [2020-10-25 20:27:03,454 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 [2020-10-25 20:27:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:03,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:27:03,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:27:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-25 20:27:03,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:27:03,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 20:27:03,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334573495] [2020-10-25 20:27:03,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:03,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:03,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:03,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:03,836 INFO L87 Difference]: Start difference. First operand 977 states and 1213 transitions. Second operand 3 states. [2020-10-25 20:27:04,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:04,738 INFO L93 Difference]: Finished difference Result 1811 states and 2280 transitions. [2020-10-25 20:27:04,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:04,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 273 [2020-10-25 20:27:04,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:04,740 INFO L225 Difference]: With dead ends: 1811 [2020-10-25 20:27:04,740 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:27:04,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:04,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:27:04,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:27:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:27:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:27:04,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-10-25 20:27:04,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:04,745 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:27:04,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:27:04,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:27:04,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-25 20:27:04,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:27:05,133 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 21 [2020-10-25 20:27:05,278 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 21 [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:27:05,282 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:27:05,283 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:27:05,283 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-25 20:27:05,283 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-25 20:27:05,283 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-25 20:27:05,285 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:27:05,285 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-25 20:27:05,285 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:27:05,286 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,287 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,288 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,288 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-25 20:27:05,288 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-25 20:27:05,288 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-25 20:27:05,290 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-25 20:27:05,290 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:27:05,291 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:27:05,291 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:27:05,291 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:27:05,291 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:27:05,291 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-25 20:27:05,291 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-25 20:27:05,292 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-25 20:27:05,292 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-25 20:27:05,293 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-25 20:27:05,294 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,294 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,294 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,294 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,294 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,294 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-25 20:27:05,295 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:27:05,295 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:27:05,295 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:27:05,295 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:27:05,295 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:27:05,296 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a19~0 6)) (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-10-25 20:27:05,296 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-25 20:27:05,296 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-25 20:27:05,296 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-25 20:27:05,297 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-25 20:27:05,297 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,297 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,297 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,297 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,297 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,298 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-25 20:27:05,298 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-25 20:27:05,298 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-25 20:27:05,298 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:27:05,298 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:27:05,298 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:27:05,299 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:27:05,299 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:27:05,299 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-25 20:27:05,299 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-25 20:27:05,299 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-25 20:27:05,299 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-25 20:27:05,300 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-25 20:27:05,300 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-25 20:27:05,300 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,300 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,300 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,301 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,301 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,301 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:27:05,301 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:27:05,301 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:27:05,301 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:27:05,302 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:27:05,302 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-25 20:27:05,302 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-25 20:27:05,302 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-25 20:27:05,302 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:27:05,302 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-25 20:27:05,303 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,303 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,303 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,303 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,303 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,303 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-25 20:27:05,304 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-25 20:27:05,304 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-25 20:27:05,304 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-25 20:27:05,304 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:27:05,304 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:27:05,304 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:27:05,305 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:27:05,305 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:27:05,305 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-25 20:27:05,305 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-25 20:27:05,306 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-25 20:27:05,306 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= ~a19~0 6)) (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-10-25 20:27:05,306 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-25 20:27:05,306 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,307 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,307 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,307 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,307 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:27:05,307 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,307 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,308 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-25 20:27:05,308 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-25 20:27:05,308 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-25 20:27:05,308 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:27:05,308 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:27:05,308 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:27:05,308 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:27:05,309 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:27:05,309 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:27:05,309 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-25 20:27:05,309 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-25 20:27:05,309 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:27:05,309 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-25 20:27:05,310 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-25 20:27:05,310 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,310 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,310 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,310 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,310 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,310 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,311 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-25 20:27:05,311 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-25 20:27:05,311 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-25 20:27:05,311 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:27:05,311 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:27:05,311 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:27:05,311 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:27:05,312 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:27:05,312 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:27:05,312 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-25 20:27:05,312 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-25 20:27:05,312 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-25 20:27:05,312 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:27:05,313 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-25 20:27:05,313 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-25 20:27:05,313 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-25 20:27:05,313 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,313 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,313 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,314 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,314 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,314 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,314 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-25 20:27:05,314 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:27:05,314 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:27:05,314 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:27:05,315 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:27:05,315 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:27:05,315 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:27:05,315 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-25 20:27:05,315 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-25 20:27:05,315 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-25 20:27:05,316 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-25 20:27:05,316 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-25 20:27:05,316 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-25 20:27:05,316 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,316 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,316 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,316 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,317 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,317 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:27:05,317 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,317 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:27:05,317 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-25 20:27:05,317 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-25 20:27:05,318 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-25 20:27:05,318 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:27:05,318 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:27:05,318 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:27:05,318 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:27:05,318 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:27:05,319 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:27:05,319 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-25 20:27:05,319 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-25 20:27:05,319 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-25 20:27:05,319 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,319 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,319 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,320 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,320 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,320 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:05,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:27:05 BoogieIcfgContainer [2020-10-25 20:27:05,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:27:05,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:27:05,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:27:05,350 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:27:05,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:54" (3/4) ... [2020-10-25 20:27:05,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:27:05,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:27:05,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:27:05,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:27:05,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:27:05,622 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:27:05,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:27:05,624 INFO L168 Benchmark]: Toolchain (without parser) took 13884.72 ms. Allocated memory was 54.5 MB in the beginning and 222.3 MB in the end (delta: 167.8 MB). Free memory was 29.7 MB in the beginning and 89.6 MB in the end (delta: -60.0 MB). Peak memory consumption was 108.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:05,625 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 21.5 MB in the beginning and 21.4 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:27:05,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.99 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 27.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:05,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.98 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 32.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:05,626 INFO L168 Benchmark]: Boogie Preprocessor took 138.64 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 27.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:05,627 INFO L168 Benchmark]: RCFGBuilder took 1460.60 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 27.1 MB in the beginning and 57.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:05,627 INFO L168 Benchmark]: TraceAbstraction took 11161.75 ms. Allocated memory was 83.9 MB in the beginning and 222.3 MB in the end (delta: 138.4 MB). Free memory was 56.9 MB in the beginning and 105.4 MB in the end (delta: -48.5 MB). Peak memory consumption was 91.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:05,628 INFO L168 Benchmark]: Witness Printer took 272.87 ms. Allocated memory is still 222.3 MB. Free memory was 105.4 MB in the beginning and 89.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:05,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 21.5 MB in the beginning and 21.4 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 693.99 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 27.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.98 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 32.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.64 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 27.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1460.60 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 27.1 MB in the beginning and 57.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11161.75 ms. Allocated memory was 83.9 MB in the beginning and 222.3 MB in the end (delta: 138.4 MB). Free memory was 56.9 MB in the beginning and 105.4 MB in the end (delta: -48.5 MB). Peak memory consumption was 91.0 MB. Max. memory is 16.1 GB. * Witness Printer took 272.87 ms. Allocated memory is still 222.3 MB. Free memory was 105.4 MB in the beginning and 89.6 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a19 <= 6) || ((8 <= a19 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((14 == a4 && a12 == 0) && a19 <= 6) || ((8 <= a19 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 811 SDtfs, 1030 SDslu, 46 SDs, 0 SdLazy, 3174 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 428 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 21 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 507 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 182 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 1847494 SizeOfPredicates, 1 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 660/774 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...