./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem14_label03.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 13ad5086b5d1d5ae7d450bde894279274e157430 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 23:26:42,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:26:42,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:26:42,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:26:42,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:26:42,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:26:42,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:26:42,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:26:42,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:26:42,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:26:42,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:26:42,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:26:42,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:26:42,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:26:42,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:26:42,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:26:42,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:26:42,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:26:42,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:26:42,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:26:42,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:26:42,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:26:42,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:26:42,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:26:42,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:26:42,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:26:42,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:26:42,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:26:42,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:26:42,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:26:42,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:26:42,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:26:42,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:26:42,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:26:42,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:26:42,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:26:42,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:26:42,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:26:42,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:26:42,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:26:42,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:26:42,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:26:42,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:26:42,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:26:42,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:26:42,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:26:42,189 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:26:42,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:26:42,190 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:26:42,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:26:42,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:26:42,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:26:42,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:26:42,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:26:42,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:26:42,191 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:26:42,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:26:42,192 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:26:42,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:26:42,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:26:42,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:26:42,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:26:42,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:26:42,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:26:42,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:26:42,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:26:42,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:26:42,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:26:42,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:26:42,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:26:42,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:26:42,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ad5086b5d1d5ae7d450bde894279274e157430 [2020-10-19 23:26:42,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:26:42,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:26:42,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:26:42,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:26:42,428 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:26:42,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2020-10-19 23:26:42,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8e0da42/0f61cf9d5c6d48e78ea5a800ac02851e/FLAGb1751199c [2020-10-19 23:26:43,168 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:26:43,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2020-10-19 23:26:43,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8e0da42/0f61cf9d5c6d48e78ea5a800ac02851e/FLAGb1751199c [2020-10-19 23:26:43,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d8e0da42/0f61cf9d5c6d48e78ea5a800ac02851e [2020-10-19 23:26:43,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:26:43,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:26:43,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:26:43,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:26:43,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:26:43,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:26:43" (1/1) ... [2020-10-19 23:26:43,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c67445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:43, skipping insertion in model container [2020-10-19 23:26:43,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:26:43" (1/1) ... [2020-10-19 23:26:43,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:26:43,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:26:44,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:26:44,112 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:26:44,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:26:44,357 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:26:44,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44 WrapperNode [2020-10-19 23:26:44,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:26:44,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:26:44,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:26:44,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:26:44,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:26:44,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:26:44,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:26:44,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:26:44,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... [2020-10-19 23:26:44,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:26:44,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:26:44,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:26:44,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:26:44,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:26:44,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:26:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:26:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:26:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:26:46,802 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:26:46,803 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:26:46,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:46 BoogieIcfgContainer [2020-10-19 23:26:46,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:26:46,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:26:46,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:26:46,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:26:46,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:26:43" (1/3) ... [2020-10-19 23:26:46,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb5bff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:26:46, skipping insertion in model container [2020-10-19 23:26:46,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:26:44" (2/3) ... [2020-10-19 23:26:46,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb5bff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:26:46, skipping insertion in model container [2020-10-19 23:26:46,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:46" (3/3) ... [2020-10-19 23:26:46,817 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label03.c [2020-10-19 23:26:46,828 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:26:46,836 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:26:46,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:26:46,878 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:26:46,878 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:26:46,879 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:26:46,879 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:26:46,879 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:26:46,879 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:26:46,879 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:26:46,880 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:26:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-19 23:26:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-19 23:26:46,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:46,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:46,918 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:46,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:46,926 INFO L82 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2020-10-19 23:26:46,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:46,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140215916] [2020-10-19 23:26:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:47,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140215916] [2020-10-19 23:26:47,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:47,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:26:47,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555649729] [2020-10-19 23:26:47,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:47,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:47,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:47,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:47,409 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-19 23:26:48,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:48,621 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-19 23:26:48,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:48,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-10-19 23:26:48,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:48,642 INFO L225 Difference]: With dead ends: 670 [2020-10-19 23:26:48,643 INFO L226 Difference]: Without dead ends: 360 [2020-10-19 23:26:48,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:48,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-19 23:26:48,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-19 23:26:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-19 23:26:48,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-10-19 23:26:48,727 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 51 [2020-10-19 23:26:48,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:48,728 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-10-19 23:26:48,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-10-19 23:26:48,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-19 23:26:48,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:48,734 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:48,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:26:48,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:48,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:48,735 INFO L82 PathProgramCache]: Analyzing trace with hash 223663500, now seen corresponding path program 1 times [2020-10-19 23:26:48,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:48,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538473850] [2020-10-19 23:26:48,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:48,995 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:48,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538473850] [2020-10-19 23:26:48,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:48,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:26:48,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312824594] [2020-10-19 23:26:49,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:49,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:49,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:49,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:49,005 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-10-19 23:26:50,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:50,017 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-10-19 23:26:50,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:50,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-10-19 23:26:50,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:50,024 INFO L225 Difference]: With dead ends: 1076 [2020-10-19 23:26:50,024 INFO L226 Difference]: Without dead ends: 718 [2020-10-19 23:26:50,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:50,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-19 23:26:50,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-10-19 23:26:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-19 23:26:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-10-19 23:26:50,087 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 116 [2020-10-19 23:26:50,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:50,088 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-10-19 23:26:50,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-10-19 23:26:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-19 23:26:50,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:50,094 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:50,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 23:26:50,095 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:50,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:50,096 INFO L82 PathProgramCache]: Analyzing trace with hash -339073553, now seen corresponding path program 1 times [2020-10-19 23:26:50,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:50,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395766191] [2020-10-19 23:26:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:50,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395766191] [2020-10-19 23:26:50,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:50,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:26:50,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966742825] [2020-10-19 23:26:50,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:50,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:50,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:50,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:50,203 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-10-19 23:26:51,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:51,187 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-10-19 23:26:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:51,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-10-19 23:26:51,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:51,194 INFO L225 Difference]: With dead ends: 1608 [2020-10-19 23:26:51,195 INFO L226 Difference]: Without dead ends: 894 [2020-10-19 23:26:51,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:51,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-19 23:26:51,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-10-19 23:26:51,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-19 23:26:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-10-19 23:26:51,233 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 117 [2020-10-19 23:26:51,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:51,234 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-10-19 23:26:51,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-10-19 23:26:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-19 23:26:51,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:51,241 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:51,241 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:26:51,241 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:51,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:51,242 INFO L82 PathProgramCache]: Analyzing trace with hash 706319318, now seen corresponding path program 1 times [2020-10-19 23:26:51,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:51,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835927933] [2020-10-19 23:26:51,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:51,474 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:51,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835927933] [2020-10-19 23:26:51,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:51,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:51,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551822555] [2020-10-19 23:26:51,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:26:51,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:51,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:26:51,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:51,477 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-10-19 23:26:52,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:52,898 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-10-19 23:26:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:26:52,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2020-10-19 23:26:52,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:52,905 INFO L225 Difference]: With dead ends: 2144 [2020-10-19 23:26:52,906 INFO L226 Difference]: Without dead ends: 1252 [2020-10-19 23:26:52,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:26:52,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-10-19 23:26:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-10-19 23:26:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-19 23:26:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-10-19 23:26:52,944 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 120 [2020-10-19 23:26:52,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:52,945 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-10-19 23:26:52,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:26:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-10-19 23:26:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-19 23:26:52,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:52,951 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:52,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:26:52,951 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:52,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:52,952 INFO L82 PathProgramCache]: Analyzing trace with hash -425118446, now seen corresponding path program 1 times [2020-10-19 23:26:52,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:52,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447079681] [2020-10-19 23:26:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:53,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447079681] [2020-10-19 23:26:53,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:53,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:53,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142872512] [2020-10-19 23:26:53,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:26:53,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:53,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:26:53,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:53,137 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-10-19 23:26:54,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:54,182 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-10-19 23:26:54,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:26:54,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2020-10-19 23:26:54,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:54,191 INFO L225 Difference]: With dead ends: 2885 [2020-10-19 23:26:54,191 INFO L226 Difference]: Without dead ends: 1608 [2020-10-19 23:26:54,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-19 23:26:54,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-10-19 23:26:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-19 23:26:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-10-19 23:26:54,233 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 131 [2020-10-19 23:26:54,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:54,238 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-10-19 23:26:54,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:26:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-10-19 23:26:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-19 23:26:54,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:54,244 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:54,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:26:54,244 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:54,245 INFO L82 PathProgramCache]: Analyzing trace with hash 2063573127, now seen corresponding path program 1 times [2020-10-19 23:26:54,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:54,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119733581] [2020-10-19 23:26:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:26:54,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119733581] [2020-10-19 23:26:54,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:54,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:54,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116127643] [2020-10-19 23:26:54,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:54,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:54,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:54,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:54,495 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-10-19 23:26:55,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:55,330 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-10-19 23:26:55,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:55,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-10-19 23:26:55,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:55,342 INFO L225 Difference]: With dead ends: 3922 [2020-10-19 23:26:55,343 INFO L226 Difference]: Without dead ends: 2318 [2020-10-19 23:26:55,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:55,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-19 23:26:55,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-10-19 23:26:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:26:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2390 transitions. [2020-10-19 23:26:55,390 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2390 transitions. Word has length 225 [2020-10-19 23:26:55,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:55,390 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2390 transitions. [2020-10-19 23:26:55,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:55,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2390 transitions. [2020-10-19 23:26:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-10-19 23:26:55,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:55,397 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:55,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 23:26:55,397 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:55,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:55,398 INFO L82 PathProgramCache]: Analyzing trace with hash -487202449, now seen corresponding path program 1 times [2020-10-19 23:26:55,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:55,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272586931] [2020-10-19 23:26:55,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:55,840 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-19 23:26:55,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272586931] [2020-10-19 23:26:55,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:55,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:55,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559300079] [2020-10-19 23:26:55,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 23:26:55,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:55,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 23:26:55,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:55,843 INFO L87 Difference]: Start difference. First operand 2140 states and 2390 transitions. Second operand 4 states. [2020-10-19 23:26:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:56,930 INFO L93 Difference]: Finished difference Result 4336 states and 4860 transitions. [2020-10-19 23:26:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 23:26:56,931 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 342 [2020-10-19 23:26:56,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:56,942 INFO L225 Difference]: With dead ends: 4336 [2020-10-19 23:26:56,943 INFO L226 Difference]: Without dead ends: 2318 [2020-10-19 23:26:56,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 23:26:56,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-19 23:26:57,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-10-19 23:26:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-19 23:26:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2305 transitions. [2020-10-19 23:26:57,020 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2305 transitions. Word has length 342 [2020-10-19 23:26:57,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:57,021 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2305 transitions. [2020-10-19 23:26:57,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 23:26:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2305 transitions. [2020-10-19 23:26:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2020-10-19 23:26:57,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:57,032 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:57,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:26:57,033 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:57,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:57,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1395019641, now seen corresponding path program 1 times [2020-10-19 23:26:57,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:57,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777198983] [2020-10-19 23:26:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:26:57,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777198983] [2020-10-19 23:26:57,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:57,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:57,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023037073] [2020-10-19 23:26:57,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:57,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:57,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:57,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:57,514 INFO L87 Difference]: Start difference. First operand 2140 states and 2305 transitions. Second operand 3 states. [2020-10-19 23:26:58,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:58,380 INFO L93 Difference]: Finished difference Result 4456 states and 4866 transitions. [2020-10-19 23:26:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:58,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2020-10-19 23:26:58,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:58,397 INFO L225 Difference]: With dead ends: 4456 [2020-10-19 23:26:58,397 INFO L226 Difference]: Without dead ends: 2496 [2020-10-19 23:26:58,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:58,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-19 23:26:58,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-10-19 23:26:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-10-19 23:26:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2113 transitions. [2020-10-19 23:26:58,454 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2113 transitions. Word has length 437 [2020-10-19 23:26:58,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:58,455 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2113 transitions. [2020-10-19 23:26:58,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2113 transitions. [2020-10-19 23:26:58,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2020-10-19 23:26:58,465 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:58,465 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:58,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:26:58,466 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:58,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:58,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1906645232, now seen corresponding path program 1 times [2020-10-19 23:26:58,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:58,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537436360] [2020-10-19 23:26:58,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:26:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:26:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:26:59,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537436360] [2020-10-19 23:26:59,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:26:59,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:26:59,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517576453] [2020-10-19 23:26:59,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:26:59,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:26:59,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:26:59,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:59,054 INFO L87 Difference]: Start difference. First operand 1962 states and 2113 transitions. Second operand 3 states. [2020-10-19 23:26:59,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:26:59,799 INFO L93 Difference]: Finished difference Result 4456 states and 4867 transitions. [2020-10-19 23:26:59,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:26:59,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 444 [2020-10-19 23:26:59,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:26:59,815 INFO L225 Difference]: With dead ends: 4456 [2020-10-19 23:26:59,815 INFO L226 Difference]: Without dead ends: 2674 [2020-10-19 23:26:59,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:26:59,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-19 23:26:59,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-19 23:26:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-19 23:26:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2664 transitions. [2020-10-19 23:26:59,875 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2664 transitions. Word has length 444 [2020-10-19 23:26:59,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:26:59,877 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2664 transitions. [2020-10-19 23:26:59,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:26:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2664 transitions. [2020-10-19 23:26:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2020-10-19 23:26:59,894 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:26:59,895 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:26:59,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:26:59,895 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:26:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:26:59,896 INFO L82 PathProgramCache]: Analyzing trace with hash -351650160, now seen corresponding path program 1 times [2020-10-19 23:26:59,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:26:59,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516999884] [2020-10-19 23:26:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-19 23:27:00,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516999884] [2020-10-19 23:27:00,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:00,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:00,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314205126] [2020-10-19 23:27:00,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:00,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:00,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:00,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:00,588 INFO L87 Difference]: Start difference. First operand 2496 states and 2664 transitions. Second operand 3 states. [2020-10-19 23:27:01,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:01,366 INFO L93 Difference]: Finished difference Result 5524 states and 5977 transitions. [2020-10-19 23:27:01,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:01,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 599 [2020-10-19 23:27:01,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:01,388 INFO L225 Difference]: With dead ends: 5524 [2020-10-19 23:27:01,388 INFO L226 Difference]: Without dead ends: 3208 [2020-10-19 23:27:01,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:01,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-19 23:27:01,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-10-19 23:27:01,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-19 23:27:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3230 transitions. [2020-10-19 23:27:01,617 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3230 transitions. Word has length 599 [2020-10-19 23:27:01,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:01,619 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3230 transitions. [2020-10-19 23:27:01,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3230 transitions. [2020-10-19 23:27:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2020-10-19 23:27:01,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:01,626 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:01,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:27:01,626 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:01,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:01,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1264120547, now seen corresponding path program 1 times [2020-10-19 23:27:01,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:01,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465974928] [2020-10-19 23:27:01,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 793 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-10-19 23:27:02,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465974928] [2020-10-19 23:27:02,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:27:02,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:27:02,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576548430] [2020-10-19 23:27:02,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:02,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:02,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:02,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:02,189 INFO L87 Difference]: Start difference. First operand 3030 states and 3230 transitions. Second operand 3 states. [2020-10-19 23:27:02,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:02,943 INFO L93 Difference]: Finished difference Result 6592 states and 7101 transitions. [2020-10-19 23:27:02,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:02,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 617 [2020-10-19 23:27:02,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:02,967 INFO L225 Difference]: With dead ends: 6592 [2020-10-19 23:27:02,967 INFO L226 Difference]: Without dead ends: 3742 [2020-10-19 23:27:02,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:27:02,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-19 23:27:03,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-10-19 23:27:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-19 23:27:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3622 transitions. [2020-10-19 23:27:03,030 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3622 transitions. Word has length 617 [2020-10-19 23:27:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:03,032 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3622 transitions. [2020-10-19 23:27:03,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:03,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3622 transitions. [2020-10-19 23:27:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-10-19 23:27:03,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:03,039 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:03,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 23:27:03,040 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:03,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:03,041 INFO L82 PathProgramCache]: Analyzing trace with hash 466603747, now seen corresponding path program 1 times [2020-10-19 23:27:03,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:03,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623606831] [2020-10-19 23:27:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 887 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-19 23:27:03,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623606831] [2020-10-19 23:27:03,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382062468] [2020-10-19 23:27:03,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:03,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:04,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-19 23:27:04,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:04,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:27:04,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489633042] [2020-10-19 23:27:04,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:04,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:04,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:04,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:04,340 INFO L87 Difference]: Start difference. First operand 3386 states and 3622 transitions. Second operand 3 states. [2020-10-19 23:27:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:05,264 INFO L93 Difference]: Finished difference Result 7304 states and 7885 transitions. [2020-10-19 23:27:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:05,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 640 [2020-10-19 23:27:05,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:05,285 INFO L225 Difference]: With dead ends: 7304 [2020-10-19 23:27:05,286 INFO L226 Difference]: Without dead ends: 4098 [2020-10-19 23:27:05,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 640 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:05,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2020-10-19 23:27:05,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3920. [2020-10-19 23:27:05,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-10-19 23:27:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4191 transitions. [2020-10-19 23:27:05,368 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4191 transitions. Word has length 640 [2020-10-19 23:27:05,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:05,369 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4191 transitions. [2020-10-19 23:27:05,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4191 transitions. [2020-10-19 23:27:05,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2020-10-19 23:27:05,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:05,381 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:05,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-19 23:27:05,595 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:05,597 INFO L82 PathProgramCache]: Analyzing trace with hash 776834831, now seen corresponding path program 1 times [2020-10-19 23:27:05,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:05,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646360923] [2020-10-19 23:27:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 1299 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-10-19 23:27:06,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646360923] [2020-10-19 23:27:06,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957188435] [2020-10-19 23:27:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:06,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 993 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:06,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1817 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-19 23:27:07,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:07,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:27:07,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828041442] [2020-10-19 23:27:07,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:07,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:07,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:07,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:07,018 INFO L87 Difference]: Start difference. First operand 3920 states and 4191 transitions. Second operand 3 states. [2020-10-19 23:27:07,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:07,766 INFO L93 Difference]: Finished difference Result 5346 states and 5682 transitions. [2020-10-19 23:27:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:07,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 787 [2020-10-19 23:27:07,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:07,790 INFO L225 Difference]: With dead ends: 5346 [2020-10-19 23:27:07,790 INFO L226 Difference]: Without dead ends: 5344 [2020-10-19 23:27:07,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 790 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:07,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-10-19 23:27:07,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 3920. [2020-10-19 23:27:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3920 states. [2020-10-19 23:27:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4191 transitions. [2020-10-19 23:27:07,851 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4191 transitions. Word has length 787 [2020-10-19 23:27:07,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:07,854 INFO L481 AbstractCegarLoop]: Abstraction has 3920 states and 4191 transitions. [2020-10-19 23:27:07,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4191 transitions. [2020-10-19 23:27:07,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2020-10-19 23:27:07,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:27:07,868 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:27:08,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-19 23:27:08,082 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:27:08,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:27:08,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1038157372, now seen corresponding path program 1 times [2020-10-19 23:27:08,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:27:08,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566915814] [2020-10-19 23:27:08,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:27:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1389 proven. 155 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2020-10-19 23:27:09,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566915814] [2020-10-19 23:27:09,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497329731] [2020-10-19 23:27:09,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:27:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:27:09,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:27:09,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:27:09,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2020-10-19 23:27:09,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:27:09,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 23:27:09,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482550559] [2020-10-19 23:27:09,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:27:09,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:27:09,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:27:09,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:09,766 INFO L87 Difference]: Start difference. First operand 3920 states and 4191 transitions. Second operand 3 states. [2020-10-19 23:27:10,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:27:10,526 INFO L93 Difference]: Finished difference Result 8726 states and 9348 transitions. [2020-10-19 23:27:10,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:27:10,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 805 [2020-10-19 23:27:10,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:27:10,530 INFO L225 Difference]: With dead ends: 8726 [2020-10-19 23:27:10,530 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:27:10,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 805 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:27:10,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:27:10,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:27:10,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:27:10,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:27:10,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 805 [2020-10-19 23:27:10,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:27:10,540 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:27:10,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:27:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:27:10,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:27:10,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-19 23:27:10,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:27:11,058 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-19 23:27:11,245 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-10-19 23:27:11,250 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-19 23:27:11,250 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:27:11,250 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-19 23:27:11,251 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-19 23:27:11,252 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:27:11,253 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:27:11,253 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:27:11,253 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-19 23:27:11,253 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-19 23:27:11,254 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-19 23:27:11,254 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,254 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,255 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,255 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-19 23:27:11,255 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:27:11,255 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:27:11,255 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:27:11,256 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-19 23:27:11,256 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-19 23:27:11,256 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-19 23:27:11,256 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-19 23:27:11,256 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-19 23:27:11,256 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,257 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,257 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,257 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-19 23:27:11,257 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:27:11,257 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:27:11,258 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:27:11,258 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-19 23:27:11,258 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-19 23:27:11,258 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-19 23:27:11,258 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,258 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,259 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,259 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-19 23:27:11,259 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:27:11,259 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:27:11,259 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:27:11,260 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-19 23:27:11,260 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-19 23:27:11,260 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-19 23:27:11,260 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-19 23:27:11,260 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-19 23:27:11,260 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,261 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,261 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,261 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-19 23:27:11,261 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:27:11,261 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:27:11,261 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:27:11,262 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-19 23:27:11,262 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-19 23:27:11,262 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-19 23:27:11,262 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-19 23:27:11,262 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,262 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,263 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,263 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:27:11,263 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:27:11,263 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:27:11,263 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-19 23:27:11,263 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-19 23:27:11,264 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-19 23:27:11,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:27:11,264 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-19 23:27:11,264 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-19 23:27:11,264 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,264 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,264 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,265 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-19 23:27:11,265 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-19 23:27:11,265 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:27:11,265 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:27:11,265 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:27:11,265 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-19 23:27:11,266 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-19 23:27:11,266 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-19 23:27:11,266 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,266 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,266 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,266 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:27:11,267 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:27:11,267 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:27:11,267 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-19 23:27:11,267 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-19 23:27:11,267 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-19 23:27:11,267 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-19 23:27:11,268 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-19 23:27:11,268 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,268 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,268 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,268 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:27:11,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:27:11,269 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-19 23:27:11,269 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-19 23:27:11,269 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:27:11,269 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:27:11,269 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:27:11,270 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-19 23:27:11,270 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-19 23:27:11,270 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-19 23:27:11,270 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,270 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,271 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,271 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-19 23:27:11,271 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:27:11,271 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:27:11,271 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:27:11,271 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-19 23:27:11,272 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-19 23:27:11,272 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:27:11,272 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-19 23:27:11,272 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-19 23:27:11,272 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,272 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,273 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,273 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-19 23:27:11,273 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:27:11,273 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:27:11,273 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:27:11,273 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-19 23:27:11,274 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-19 23:27:11,274 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-19 23:27:11,274 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-19 23:27:11,274 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,274 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,274 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-19 23:27:11,275 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:27:11,275 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:27:11,275 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-19 23:27:11,275 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-19 23:27:11,275 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-19 23:27:11,275 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-19 23:27:11,276 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-19 23:27:11,276 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,276 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,276 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-19 23:27:11,276 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:27:11,276 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:27:11,277 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-19 23:27:11,277 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-19 23:27:11,277 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-19 23:27:11,277 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,277 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,278 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a15~0 8))) (or (and .cse0 .cse1 (<= ~a21~0 9)) (and (<= 7 ~a15~0) .cse0 (<= 10 ~a21~0)) (and (< 0 (+ ~a12~0 43)) .cse0) (and (<= 8 ~a21~0) .cse0 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse1 (<= ~a21~0 6)))) [2020-10-19 23:27:11,278 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-19 23:27:11,278 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-19 23:27:11,278 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:27:11,278 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:27:11,279 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-19 23:27:11,279 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-19 23:27:11,279 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-19 23:27:11,279 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-19 23:27:11,279 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,279 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,280 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-19 23:27:11,280 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-19 23:27:11,280 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-19 23:27:11,280 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:27:11,280 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:27:11,280 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-19 23:27:11,281 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-19 23:27:11,281 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-19 23:27:11,281 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:27:11,281 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,281 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,281 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-19 23:27:11,282 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-19 23:27:11,282 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:27:11,282 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:27:11,282 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-19 23:27:11,282 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-19 23:27:11,282 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,282 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,283 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:27:11,283 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,283 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-19 23:27:11,283 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse1 (<= ~a15~0 8))) (or (and .cse0 .cse1 (<= ~a21~0 9)) (and (<= 7 ~a15~0) .cse0 (<= 10 ~a21~0)) (and (< 0 (+ ~a12~0 43)) .cse0) (and (<= 8 ~a21~0) .cse0 (<= ~a21~0 8)) (and (<= (+ ~a12~0 49) 0) .cse1 (<= ~a21~0 6)))) [2020-10-19 23:27:11,283 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-19 23:27:11,284 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-19 23:27:11,284 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:27:11,284 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:27:11,284 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:27:11,284 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-19 23:27:11,284 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-19 23:27:11,285 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-19 23:27:11,285 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-19 23:27:11,285 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,285 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,285 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,285 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-19 23:27:11,285 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:27:11,286 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:27:11,286 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:27:11,286 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-19 23:27:11,286 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:27:11,286 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-19 23:27:11,286 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-19 23:27:11,287 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-19 23:27:11,287 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-19 23:27:11,287 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,287 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,287 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,287 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-19 23:27:11,288 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-19 23:27:11,288 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:27:11,288 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:27:11,288 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:27:11,288 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-19 23:27:11,288 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-19 23:27:11,288 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-19 23:27:11,289 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,289 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,289 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,289 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-19 23:27:11,289 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:27:11,289 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:27:11,290 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:27:11,290 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-19 23:27:11,290 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-19 23:27:11,290 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-19 23:27:11,290 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-19 23:27:11,290 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-19 23:27:11,291 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,291 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,291 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-19 23:27:11,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:27:11 BoogieIcfgContainer [2020-10-19 23:27:11,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:27:11,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:27:11,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:27:11,316 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:27:11,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:26:46" (3/4) ... [2020-10-19 23:27:11,321 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:27:11,346 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:27:11,348 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:27:11,349 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:27:11,351 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:27:11,556 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:27:11,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:27:11,558 INFO L168 Benchmark]: Toolchain (without parser) took 28099.34 ms. Allocated memory was 40.9 MB in the beginning and 544.2 MB in the end (delta: 503.3 MB). Free memory was 16.9 MB in the beginning and 335.3 MB in the end (delta: -318.4 MB). Peak memory consumption was 184.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,559 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.8 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 893.39 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 16.0 MB in the beginning and 19.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 166.12 ms. Allocated memory is still 43.5 MB. Free memory was 19.6 MB in the beginning and 9.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,561 INFO L168 Benchmark]: Boogie Preprocessor took 137.07 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 9.9 MB in the beginning and 17.1 MB in the end (delta: -7.3 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,564 INFO L168 Benchmark]: RCFGBuilder took 2142.73 ms. Allocated memory was 44.6 MB in the beginning and 59.2 MB in the end (delta: 14.7 MB). Free memory was 16.8 MB in the beginning and 27.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,565 INFO L168 Benchmark]: TraceAbstraction took 24508.07 ms. Allocated memory was 59.2 MB in the beginning and 544.2 MB in the end (delta: 485.0 MB). Free memory was 27.3 MB in the beginning and 363.2 MB in the end (delta: -335.9 MB). Peak memory consumption was 149.1 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,565 INFO L168 Benchmark]: Witness Printer took 240.76 ms. Allocated memory is still 544.2 MB. Free memory was 363.2 MB in the beginning and 335.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:27:11,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 31.5 MB. Free memory was 7.8 MB in the beginning and 7.8 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 893.39 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 16.0 MB in the beginning and 19.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 166.12 ms. Allocated memory is still 43.5 MB. Free memory was 19.6 MB in the beginning and 9.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 137.07 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 9.9 MB in the beginning and 17.1 MB in the end (delta: -7.3 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2142.73 ms. Allocated memory was 44.6 MB in the beginning and 59.2 MB in the end (delta: 14.7 MB). Free memory was 16.8 MB in the beginning and 27.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 22.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 24508.07 ms. Allocated memory was 59.2 MB in the beginning and 544.2 MB in the end (delta: 485.0 MB). Free memory was 27.3 MB in the beginning and 363.2 MB in the end (delta: -335.9 MB). Peak memory consumption was 149.1 MB. Max. memory is 14.3 GB. * Witness Printer took 240.76 ms. Allocated memory is still 544.2 MB. Free memory was 363.2 MB in the beginning and 335.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a15 <= 8) && a21 <= 9) || ((7 <= a15 && a24 == 1) && 10 <= a21)) || (0 < a12 + 43 && a24 == 1)) || ((8 <= a21 && a24 == 1) && a21 <= 8)) || ((a12 + 49 <= 0 && a15 <= 8) && a21 <= 6) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((a24 == 1 && a15 <= 8) && a21 <= 9) || ((7 <= a15 && a24 == 1) && 10 <= a21)) || (0 < a12 + 43 && a24 == 1)) || ((8 <= a21 && a24 == 1) && a21 <= 8)) || ((a12 + 49 <= 0 && a15 <= 8) && a21 <= 6) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.8s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1918 SDtfs, 1976 SDslu, 79 SDs, 0 SdLazy, 7243 SolverSat, 977 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2272 GetRequests, 2248 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 3210 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2032 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 418 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 7663 NumberOfCodeBlocks, 7663 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7646 ConstructedInterpolants, 0 QuantifiedInterpolants, 8372549 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2824 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 14158/14578 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...