./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label19.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/Problem10_label19.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 cadf597caed07f3b2dfb8567621b257decd47f20 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:09:55,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 23:09:55,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 23:09:56,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 23:09:56,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 23:09:56,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 23:09:56,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 23:09:56,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 23:09:56,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 23:09:56,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 23:09:56,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 23:09:56,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 23:09:56,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 23:09:56,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 23:09:56,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 23:09:56,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 23:09:56,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 23:09:56,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 23:09:56,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 23:09:56,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 23:09:56,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 23:09:56,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 23:09:56,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 23:09:56,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 23:09:56,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 23:09:56,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 23:09:56,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 23:09:56,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 23:09:56,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 23:09:56,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 23:09:56,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 23:09:56,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 23:09:56,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 23:09:56,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 23:09:56,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 23:09:56,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 23:09:56,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 23:09:56,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 23:09:56,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 23:09:56,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 23:09:56,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 23:09:56,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 23:09:56,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 23:09:56,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 23:09:56,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 23:09:56,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 23:09:56,160 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 23:09:56,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 23:09:56,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 23:09:56,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 23:09:56,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 23:09:56,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 23:09:56,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 23:09:56,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 23:09:56,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 23:09:56,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 23:09:56,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 23:09:56,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 23:09:56,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 23:09:56,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 23:09:56,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 23:09:56,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 23:09:56,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 23:09:56,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 23:09:56,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 23:09:56,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 23:09:56,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 23:09:56,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 23:09:56,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 23:09:56,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 23:09:56,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 23:09:56,168 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 -> cadf597caed07f3b2dfb8567621b257decd47f20 [2020-10-19 23:09:56,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 23:09:56,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 23:09:56,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 23:09:56,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 23:09:56,386 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 23:09:56,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2020-10-19 23:09:56,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a401aa4/8b0d99857044408c96c64b0de86015dd/FLAG482da3705 [2020-10-19 23:09:57,019 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 23:09:57,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label19.c [2020-10-19 23:09:57,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a401aa4/8b0d99857044408c96c64b0de86015dd/FLAG482da3705 [2020-10-19 23:09:57,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a401aa4/8b0d99857044408c96c64b0de86015dd [2020-10-19 23:09:57,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 23:09:57,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 23:09:57,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 23:09:57,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 23:09:57,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 23:09:57,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:57,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2936de78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57, skipping insertion in model container [2020-10-19 23:09:57,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:57,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 23:09:57,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 23:09:57,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:09:57,799 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 23:09:57,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 23:09:57,963 INFO L208 MainTranslator]: Completed translation [2020-10-19 23:09:57,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57 WrapperNode [2020-10-19 23:09:57,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 23:09:57,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 23:09:57,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 23:09:57,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 23:09:57,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:57,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 23:09:58,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 23:09:58,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 23:09:58,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 23:09:58,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (1/1) ... [2020-10-19 23:09:58,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 23:09:58,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 23:09:58,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 23:09:58,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 23:09:58,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (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 23:09:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 23:09:58,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 23:09:58,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 23:09:58,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 23:09:59,876 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 23:09:59,877 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 23:09:59,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:59 BoogieIcfgContainer [2020-10-19 23:09:59,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 23:09:59,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 23:09:59,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 23:09:59,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 23:09:59,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 11:09:57" (1/3) ... [2020-10-19 23:09:59,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d19ee5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:09:59, skipping insertion in model container [2020-10-19 23:09:59,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 11:09:57" (2/3) ... [2020-10-19 23:09:59,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d19ee5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 11:09:59, skipping insertion in model container [2020-10-19 23:09:59,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:59" (3/3) ... [2020-10-19 23:09:59,888 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2020-10-19 23:09:59,900 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 23:09:59,909 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 23:09:59,923 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 23:09:59,951 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 23:09:59,951 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 23:09:59,951 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 23:09:59,952 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 23:09:59,952 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 23:09:59,952 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 23:09:59,952 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 23:09:59,953 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 23:09:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-19 23:09:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-19 23:09:59,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:09:59,983 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] [2020-10-19 23:09:59,984 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:09:59,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:09:59,991 INFO L82 PathProgramCache]: Analyzing trace with hash -748286455, now seen corresponding path program 1 times [2020-10-19 23:10:00,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:00,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788243727] [2020-10-19 23:10:00,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:00,227 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 23:10:00,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788243727] [2020-10-19 23:10:00,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:00,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:10:00,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238405984] [2020-10-19 23:10:00,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:00,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:00,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:00,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:00,253 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-19 23:10:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:01,269 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-10-19 23:10:01,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:01,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-10-19 23:10:01,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:01,288 INFO L225 Difference]: With dead ends: 568 [2020-10-19 23:10:01,288 INFO L226 Difference]: Without dead ends: 282 [2020-10-19 23:10:01,293 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 23:10:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-19 23:10:01,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-19 23:10:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-19 23:10:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-10-19 23:10:01,361 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 29 [2020-10-19 23:10:01,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:01,362 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-10-19 23:10:01,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-10-19 23:10:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-19 23:10:01,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:01,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:01,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 23:10:01,368 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:01,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:01,368 INFO L82 PathProgramCache]: Analyzing trace with hash 687807866, now seen corresponding path program 1 times [2020-10-19 23:10:01,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:01,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234735984] [2020-10-19 23:10:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-19 23:10:01,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234735984] [2020-10-19 23:10:01,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167844333] [2020-10-19 23:10:01,618 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 23:10:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:01,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:10:01,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:10:01,768 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:01,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:10:01,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 23:10:01,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725280226] [2020-10-19 23:10:01,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:01,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:01,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:01,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:10:01,773 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-10-19 23:10:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:02,505 INFO L93 Difference]: Finished difference Result 840 states and 1291 transitions. [2020-10-19 23:10:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:02,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-10-19 23:10:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:02,512 INFO L225 Difference]: With dead ends: 840 [2020-10-19 23:10:02,512 INFO L226 Difference]: Without dead ends: 560 [2020-10-19 23:10:02,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:10:02,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-19 23:10:02,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-19 23:10:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-19 23:10:02,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 770 transitions. [2020-10-19 23:10:02,551 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 770 transitions. Word has length 95 [2020-10-19 23:10:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:02,552 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 770 transitions. [2020-10-19 23:10:02,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 770 transitions. [2020-10-19 23:10:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-19 23:10:02,557 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:02,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:02,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-19 23:10:02,770 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:02,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:02,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1291793931, now seen corresponding path program 1 times [2020-10-19 23:10:02,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:02,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102319045] [2020-10-19 23:10:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:03,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102319045] [2020-10-19 23:10:03,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:03,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:10:03,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913325652] [2020-10-19 23:10:03,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:03,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:03,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:03,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:03,023 INFO L87 Difference]: Start difference. First operand 560 states and 770 transitions. Second operand 3 states. [2020-10-19 23:10:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:03,733 INFO L93 Difference]: Finished difference Result 1396 states and 1967 transitions. [2020-10-19 23:10:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:03,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-10-19 23:10:03,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:03,739 INFO L225 Difference]: With dead ends: 1396 [2020-10-19 23:10:03,740 INFO L226 Difference]: Without dead ends: 838 [2020-10-19 23:10:03,742 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 23:10:03,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-10-19 23:10:03,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-10-19 23:10:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-10-19 23:10:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1089 transitions. [2020-10-19 23:10:03,795 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1089 transitions. Word has length 106 [2020-10-19 23:10:03,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:03,796 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1089 transitions. [2020-10-19 23:10:03,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1089 transitions. [2020-10-19 23:10:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-19 23:10:03,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:03,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:10:03,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 23:10:03,816 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:03,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:03,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1882716050, now seen corresponding path program 1 times [2020-10-19 23:10:03,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:03,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238914966] [2020-10-19 23:10:03,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:03,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238914966] [2020-10-19 23:10:03,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:03,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:10:03,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401323259] [2020-10-19 23:10:03,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:03,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:03,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:03,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:03,956 INFO L87 Difference]: Start difference. First operand 838 states and 1089 transitions. Second operand 3 states. [2020-10-19 23:10:04,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:04,681 INFO L93 Difference]: Finished difference Result 2091 states and 2765 transitions. [2020-10-19 23:10:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:04,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-10-19 23:10:04,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:04,689 INFO L225 Difference]: With dead ends: 2091 [2020-10-19 23:10:04,689 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:10:04,691 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 23:10:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:10:04,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-19 23:10:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:10:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1608 transitions. [2020-10-19 23:10:04,726 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1608 transitions. Word has length 116 [2020-10-19 23:10:04,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:04,727 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1608 transitions. [2020-10-19 23:10:04,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1608 transitions. [2020-10-19 23:10:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-19 23:10:04,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:04,732 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:04,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 23:10:04,733 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:04,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:04,733 INFO L82 PathProgramCache]: Analyzing trace with hash 2117816265, now seen corresponding path program 1 times [2020-10-19 23:10:04,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:04,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972203635] [2020-10-19 23:10:04,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:04,878 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:04,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972203635] [2020-10-19 23:10:04,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:04,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:04,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205241830] [2020-10-19 23:10:04,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:04,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:04,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:04,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:04,881 INFO L87 Difference]: Start difference. First operand 1255 states and 1608 transitions. Second operand 3 states. [2020-10-19 23:10:05,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:05,466 INFO L93 Difference]: Finished difference Result 2786 states and 3552 transitions. [2020-10-19 23:10:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:05,467 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-10-19 23:10:05,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:05,477 INFO L225 Difference]: With dead ends: 2786 [2020-10-19 23:10:05,477 INFO L226 Difference]: Without dead ends: 1533 [2020-10-19 23:10:05,480 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 23:10:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-10-19 23:10:05,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2020-10-19 23:10:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-10-19 23:10:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1906 transitions. [2020-10-19 23:10:05,541 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1906 transitions. Word has length 173 [2020-10-19 23:10:05,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:05,542 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1906 transitions. [2020-10-19 23:10:05,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1906 transitions. [2020-10-19 23:10:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-19 23:10:05,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:05,548 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 23:10:05,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 23:10:05,548 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:05,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:05,549 INFO L82 PathProgramCache]: Analyzing trace with hash 2143793363, now seen corresponding path program 1 times [2020-10-19 23:10:05,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:05,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512207558] [2020-10-19 23:10:05,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 23:10:05,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512207558] [2020-10-19 23:10:05,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650030352] [2020-10-19 23:10:05,754 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 23:10:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:05,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:10:05,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:10:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-19 23:10:05,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:10:05,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 23:10:05,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541876167] [2020-10-19 23:10:05,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:05,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:05,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:05,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:10:05,960 INFO L87 Difference]: Start difference. First operand 1533 states and 1906 transitions. Second operand 3 states. [2020-10-19 23:10:06,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:06,594 INFO L93 Difference]: Finished difference Result 2647 states and 3221 transitions. [2020-10-19 23:10:06,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:06,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-10-19 23:10:06,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:06,610 INFO L225 Difference]: With dead ends: 2647 [2020-10-19 23:10:06,610 INFO L226 Difference]: Without dead ends: 2645 [2020-10-19 23:10:06,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 23:10:06,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2020-10-19 23:10:06,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 1116. [2020-10-19 23:10:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-19 23:10:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1372 transitions. [2020-10-19 23:10:06,654 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1372 transitions. Word has length 177 [2020-10-19 23:10:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:06,654 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1372 transitions. [2020-10-19 23:10:06,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1372 transitions. [2020-10-19 23:10:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-19 23:10:06,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:06,658 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 23:10:06,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 23:10:06,873 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:06,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:06,873 INFO L82 PathProgramCache]: Analyzing trace with hash -880383814, now seen corresponding path program 1 times [2020-10-19 23:10:06,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:06,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221853825] [2020-10-19 23:10:06,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:06,995 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-19 23:10:06,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221853825] [2020-10-19 23:10:06,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:06,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 23:10:06,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324575070] [2020-10-19 23:10:06,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:06,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:06,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:06,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:06,999 INFO L87 Difference]: Start difference. First operand 1116 states and 1372 transitions. Second operand 3 states. [2020-10-19 23:10:07,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:07,761 INFO L93 Difference]: Finished difference Result 2369 states and 2891 transitions. [2020-10-19 23:10:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:07,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-10-19 23:10:07,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:07,768 INFO L225 Difference]: With dead ends: 2369 [2020-10-19 23:10:07,768 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:10:07,770 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 23:10:07,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:10:07,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-19 23:10:07,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:10:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1516 transitions. [2020-10-19 23:10:07,794 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1516 transitions. Word has length 180 [2020-10-19 23:10:07,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:07,795 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1516 transitions. [2020-10-19 23:10:07,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:07,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1516 transitions. [2020-10-19 23:10:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-19 23:10:07,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:07,798 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:07,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 23:10:07,799 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:07,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:07,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2040909535, now seen corresponding path program 1 times [2020-10-19 23:10:07,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:07,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262976516] [2020-10-19 23:10:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:08,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262976516] [2020-10-19 23:10:08,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:08,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-19 23:10:08,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089446960] [2020-10-19 23:10:08,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 23:10:08,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:08,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 23:10:08,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:10:08,058 INFO L87 Difference]: Start difference. First operand 1255 states and 1516 transitions. Second operand 7 states. [2020-10-19 23:10:08,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:08,639 INFO L93 Difference]: Finished difference Result 2424 states and 2941 transitions. [2020-10-19 23:10:08,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 23:10:08,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-10-19 23:10:08,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:08,645 INFO L225 Difference]: With dead ends: 2424 [2020-10-19 23:10:08,646 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:10:08,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-19 23:10:08,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:10:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-19 23:10:08,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-19 23:10:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1509 transitions. [2020-10-19 23:10:08,673 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1509 transitions. Word has length 182 [2020-10-19 23:10:08,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:08,673 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1509 transitions. [2020-10-19 23:10:08,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 23:10:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1509 transitions. [2020-10-19 23:10:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-19 23:10:08,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:08,677 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:08,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 23:10:08,677 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:08,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:08,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1039913337, now seen corresponding path program 1 times [2020-10-19 23:10:08,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:08,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005066971] [2020-10-19 23:10:08,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 23:10:08,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005066971] [2020-10-19 23:10:08,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:08,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:08,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668223828] [2020-10-19 23:10:08,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:08,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:08,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:08,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:08,815 INFO L87 Difference]: Start difference. First operand 1255 states and 1509 transitions. Second operand 3 states. [2020-10-19 23:10:09,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:09,430 INFO L93 Difference]: Finished difference Result 2369 states and 2873 transitions. [2020-10-19 23:10:09,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:09,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-19 23:10:09,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:09,437 INFO L225 Difference]: With dead ends: 2369 [2020-10-19 23:10:09,437 INFO L226 Difference]: Without dead ends: 1255 [2020-10-19 23:10:09,439 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 23:10:09,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-19 23:10:09,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-10-19 23:10:09,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-19 23:10:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1247 transitions. [2020-10-19 23:10:09,460 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1247 transitions. Word has length 218 [2020-10-19 23:10:09,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:09,461 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1247 transitions. [2020-10-19 23:10:09,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1247 transitions. [2020-10-19 23:10:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-10-19 23:10:09,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:09,467 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:09,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-19 23:10:09,468 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:09,468 INFO L82 PathProgramCache]: Analyzing trace with hash -2095133923, now seen corresponding path program 1 times [2020-10-19 23:10:09,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:09,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881286775] [2020-10-19 23:10:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-19 23:10:09,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881286775] [2020-10-19 23:10:09,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 23:10:09,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 23:10:09,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744424813] [2020-10-19 23:10:09,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:09,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:09,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:09,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 23:10:09,743 INFO L87 Difference]: Start difference. First operand 1116 states and 1247 transitions. Second operand 3 states. [2020-10-19 23:10:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:10,391 INFO L93 Difference]: Finished difference Result 2786 states and 3143 transitions. [2020-10-19 23:10:10,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:10,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-10-19 23:10:10,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:10,401 INFO L225 Difference]: With dead ends: 2786 [2020-10-19 23:10:10,402 INFO L226 Difference]: Without dead ends: 1811 [2020-10-19 23:10:10,404 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 23:10:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-10-19 23:10:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2020-10-19 23:10:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-10-19 23:10:10,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 1997 transitions. [2020-10-19 23:10:10,438 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 1997 transitions. Word has length 330 [2020-10-19 23:10:10,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:10,439 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 1997 transitions. [2020-10-19 23:10:10,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 1997 transitions. [2020-10-19 23:10:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-19 23:10:10,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 23:10:10,457 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 23:10:10,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 23:10:10,457 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 23:10:10,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 23:10:10,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1945359739, now seen corresponding path program 1 times [2020-10-19 23:10:10,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 23:10:10,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477758041] [2020-10-19 23:10:10,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 23:10:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 17 proven. 63 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-19 23:10:10,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477758041] [2020-10-19 23:10:10,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525767412] [2020-10-19 23:10:10,990 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 23:10:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 23:10:11,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 23:10:11,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 23:10:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-19 23:10:11,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 23:10:11,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 23:10:11,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974587188] [2020-10-19 23:10:11,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 23:10:11,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 23:10:11,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 23:10:11,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:10:11,219 INFO L87 Difference]: Start difference. First operand 1811 states and 1997 transitions. Second operand 3 states. [2020-10-19 23:10:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 23:10:11,831 INFO L93 Difference]: Finished difference Result 3618 states and 4017 transitions. [2020-10-19 23:10:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 23:10:11,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-10-19 23:10:11,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 23:10:11,834 INFO L225 Difference]: With dead ends: 3618 [2020-10-19 23:10:11,834 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 23:10:11,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 23:10:11,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 23:10:11,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 23:10:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 23:10:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 23:10:11,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-10-19 23:10:11,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 23:10:11,840 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 23:10:11,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 23:10:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 23:10:11,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 23:10:12,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-19 23:10:12,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 23:10:12,265 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-10-19 23:10:12,425 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2020-10-19 23:10:12,429 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-19 23:10:12,429 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-19 23:10:12,429 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-19 23:10:12,429 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-19 23:10:12,429 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 23:10:12,430 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-19 23:10:12,431 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,431 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,431 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,431 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,431 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,431 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,432 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-19 23:10:12,432 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-19 23:10:12,433 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-19 23:10:12,433 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-19 23:10:12,433 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-19 23:10:12,434 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-19 23:10:12,434 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-19 23:10:12,434 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-19 23:10:12,434 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-19 23:10:12,434 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-19 23:10:12,434 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-19 23:10:12,434 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-19 23:10:12,435 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,436 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-19 23:10:12,437 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-19 23:10:12,438 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse1 (= ~a10~0 0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and (<= 23 ~a1~0) .cse0 .cse1 .cse2) (and .cse0 .cse2 (<= ~a19~0 9) (<= 2 ~a10~0)) (and .cse0 .cse1 .cse2 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse2))) [2020-10-19 23:10:12,438 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-19 23:10:12,438 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-19 23:10:12,438 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-19 23:10:12,439 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-19 23:10:12,440 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-19 23:10:12,441 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-19 23:10:12,442 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-19 23:10:12,443 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-19 23:10:12,444 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-19 23:10:12,444 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-19 23:10:12,444 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-19 23:10:12,444 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-19 23:10:12,444 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-19 23:10:12,444 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (= ~a10~0 0)) (.cse0 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and (<= 23 ~a1~0) .cse0 .cse1 .cse2) (and .cse0 .cse2 (<= ~a19~0 9) (<= 2 ~a10~0)) (and .cse0 .cse1 .cse2 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse2))) [2020-10-19 23:10:12,444 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-19 23:10:12,444 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-19 23:10:12,445 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,446 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-19 23:10:12,447 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-19 23:10:12,448 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-19 23:10:12,448 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-19 23:10:12,448 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-19 23:10:12,448 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-19 23:10:12,448 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 23:10:12,448 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-19 23:10:12,449 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-19 23:10:12,449 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-19 23:10:12,449 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,449 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,449 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,450 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,450 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,450 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,450 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-19 23:10:12,450 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-19 23:10:12,451 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-19 23:10:12,451 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-19 23:10:12,451 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-19 23:10:12,451 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-19 23:10:12,451 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-19 23:10:12,451 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-19 23:10:12,452 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-19 23:10:12,452 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-19 23:10:12,452 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-19 23:10:12,452 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-19 23:10:12,452 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-19 23:10:12,453 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,453 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,453 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,453 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,453 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,453 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 23:10:12,454 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,454 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 23:10:12,454 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-19 23:10:12,454 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-19 23:10:12,454 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-19 23:10:12,455 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-19 23:10:12,455 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-19 23:10:12,455 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-19 23:10:12,455 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-19 23:10:12,455 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-19 23:10:12,456 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-19 23:10:12,456 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-19 23:10:12,456 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-19 23:10:12,456 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-19 23:10:12,456 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,456 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,457 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,457 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,457 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,457 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-19 23:10:12,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 11:10:12 BoogieIcfgContainer [2020-10-19 23:10:12,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 23:10:12,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 23:10:12,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 23:10:12,495 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 23:10:12,496 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 11:09:59" (3/4) ... [2020-10-19 23:10:12,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 23:10:12,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 23:10:12,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 23:10:12,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:10:12,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 23:10:12,729 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 23:10:12,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 23:10:12,735 INFO L168 Benchmark]: Toolchain (without parser) took 15491.10 ms. Allocated memory was 36.2 MB in the beginning and 197.1 MB in the end (delta: 161.0 MB). Free memory was 18.0 MB in the beginning and 47.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 131.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,736 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 33.6 MB. Free memory was 12.2 MB in the beginning and 12.1 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.94 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 17.2 MB in the beginning and 22.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.36 ms. Allocated memory is still 46.7 MB. Free memory was 22.0 MB in the beginning and 13.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,738 INFO L168 Benchmark]: Boogie Preprocessor took 128.90 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 13.6 MB in the beginning and 22.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,739 INFO L168 Benchmark]: RCFGBuilder took 1670.33 ms. Allocated memory was 47.2 MB in the beginning and 69.2 MB in the end (delta: 22.0 MB). Free memory was 22.0 MB in the beginning and 41.1 MB in the end (delta: -19.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,740 INFO L168 Benchmark]: TraceAbstraction took 12614.41 ms. Allocated memory was 69.2 MB in the beginning and 197.1 MB in the end (delta: 127.9 MB). Free memory was 40.6 MB in the beginning and 66.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 102.5 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,740 INFO L168 Benchmark]: Witness Printer took 234.79 ms. Allocated memory is still 197.1 MB. Free memory was 66.0 MB in the beginning and 47.3 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 14.3 GB. [2020-10-19 23:10:12,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 33.6 MB. Free memory was 12.2 MB in the beginning and 12.1 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 713.94 ms. Allocated memory was 36.2 MB in the beginning and 46.7 MB in the end (delta: 10.5 MB). Free memory was 17.2 MB in the beginning and 22.0 MB in the end (delta: -4.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 114.36 ms. Allocated memory is still 46.7 MB. Free memory was 22.0 MB in the beginning and 13.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 128.90 ms. Allocated memory was 46.7 MB in the beginning and 47.2 MB in the end (delta: 524.3 kB). Free memory was 13.6 MB in the beginning and 22.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1670.33 ms. Allocated memory was 47.2 MB in the beginning and 69.2 MB in the end (delta: 22.0 MB). Free memory was 22.0 MB in the beginning and 41.1 MB in the end (delta: -19.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 12614.41 ms. Allocated memory was 69.2 MB in the beginning and 197.1 MB in the end (delta: 127.9 MB). Free memory was 40.6 MB in the beginning and 66.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 102.5 MB. Max. memory is 14.3 GB. * Witness Printer took 234.79 ms. Allocated memory is still 197.1 MB. Free memory was 66.0 MB in the beginning and 47.3 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((((23 <= a1 && 14 == a4) && a10 == 0) && a12 == 0) || (((14 == a4 && a12 == 0) && a19 <= 9) && 2 <= a10)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((23 <= a1 && 14 == a4) && a10 == 0) && a12 == 0) || (((14 == a4 && a12 == 0) && a19 <= 9) && 2 <= a10)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1256 SDtfs, 1102 SDslu, 53 SDs, 0 SdLazy, 4132 SolverSat, 610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1668 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 920 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 192 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2564 NumberOfCodeBlocks, 2564 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2550 ConstructedInterpolants, 0 QuantifiedInterpolants, 2071414 SizeOfPredicates, 3 NumberOfNonLiveVariables, 970 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1729/1867 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...