./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/Problem01_label17.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aac67f6dc6529e5dab098a5e1960c3e19b78df96 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:38:39,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:38:39,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:38:39,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:38:39,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:38:39,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:38:39,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:38:39,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:38:39,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:38:39,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:38:39,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:38:39,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:38:39,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:38:39,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:38:39,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:38:39,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:38:39,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:38:39,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:38:39,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:38:39,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:38:39,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:38:39,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:38:39,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:38:39,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:38:39,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:38:39,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:38:39,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:38:39,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:38:39,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:38:39,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:38:39,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:38:39,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:38:39,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:38:39,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:38:39,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:38:39,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:38:40,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:38:40,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:38:40,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:38:40,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:38:40,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:38:40,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:38:40,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:38:40,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:38:40,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:38:40,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:38:40,051 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:38:40,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:38:40,052 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:38:40,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:38:40,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:38:40,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:38:40,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:38:40,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:38:40,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:38:40,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:38:40,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:38:40,058 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:38:40,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:38:40,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:38:40,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:38:40,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:38:40,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:38:40,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:38:40,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:38:40,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:38:40,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:38:40,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:38:40,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:38:40,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:38:40,064 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(__VERIFIER_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 -> aac67f6dc6529e5dab098a5e1960c3e19b78df96 [2019-11-27 22:38:40,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:38:40,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:38:40,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:38:40,409 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:38:40,409 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:38:40,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2019-11-27 22:38:40,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6110b8cfc/a4e86a1dbd184bdd8ccab7012a2847f7/FLAG4a5ecf326 [2019-11-27 22:38:41,051 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:38:41,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2019-11-27 22:38:41,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6110b8cfc/a4e86a1dbd184bdd8ccab7012a2847f7/FLAG4a5ecf326 [2019-11-27 22:38:41,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6110b8cfc/a4e86a1dbd184bdd8ccab7012a2847f7 [2019-11-27 22:38:41,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:38:41,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:38:41,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:38:41,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:38:41,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:38:41,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:38:41" (1/1) ... [2019-11-27 22:38:41,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1202cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:41, skipping insertion in model container [2019-11-27 22:38:41,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:38:41" (1/1) ... [2019-11-27 22:38:41,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:38:41,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:38:41,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:38:42,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:38:42,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:38:42,116 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:38:42,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42 WrapperNode [2019-11-27 22:38:42,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:38:42,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:38:42,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:38:42,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:38:42,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:38:42,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:38:42,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:38:42,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:38:42,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (1/1) ... [2019-11-27 22:38:42,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:38:42,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:38:42,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:38:42,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:38:42,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (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 [2019-11-27 22:38:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:38:42,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:38:43,825 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:38:43,825 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-27 22:38:43,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:38:43 BoogieIcfgContainer [2019-11-27 22:38:43,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:38:43,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:38:43,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:38:43,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:38:43,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:38:41" (1/3) ... [2019-11-27 22:38:43,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5047960b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:38:43, skipping insertion in model container [2019-11-27 22:38:43,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:38:42" (2/3) ... [2019-11-27 22:38:43,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5047960b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:38:43, skipping insertion in model container [2019-11-27 22:38:43,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:38:43" (3/3) ... [2019-11-27 22:38:43,848 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2019-11-27 22:38:43,861 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:38:43,872 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:38:43,893 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:38:43,951 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:38:43,951 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:38:43,952 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:38:43,952 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:38:43,953 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:38:43,953 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:38:43,953 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:38:43,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:38:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-27 22:38:44,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-27 22:38:44,032 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:44,034 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:44,034 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:44,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:44,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1514784255, now seen corresponding path program 1 times [2019-11-27 22:38:44,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:44,058 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185604593] [2019-11-27 22:38:44,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:38:44,526 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185604593] [2019-11-27 22:38:44,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:44,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:38:44,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439605569] [2019-11-27 22:38:44,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:44,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:44,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:44,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:44,554 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-27 22:38:45,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:45,949 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-27 22:38:45,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:38:45,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-11-27 22:38:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:45,969 INFO L225 Difference]: With dead ends: 662 [2019-11-27 22:38:45,969 INFO L226 Difference]: Without dead ends: 397 [2019-11-27 22:38:45,974 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-27 22:38:46,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-11-27 22:38:46,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-27 22:38:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2019-11-27 22:38:46,043 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 116 [2019-11-27 22:38:46,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:46,044 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2019-11-27 22:38:46,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2019-11-27 22:38:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-27 22:38:46,049 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:46,049 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:46,049 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:46,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:46,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1017148654, now seen corresponding path program 1 times [2019-11-27 22:38:46,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:46,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433699026] [2019-11-27 22:38:46,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:38:46,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433699026] [2019-11-27 22:38:46,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:46,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:38:46,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097974442] [2019-11-27 22:38:46,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:46,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:46,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:46,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:46,233 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 4 states. [2019-11-27 22:38:47,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:47,118 INFO L93 Difference]: Finished difference Result 1447 states and 2019 transitions. [2019-11-27 22:38:47,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:38:47,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-11-27 22:38:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:47,125 INFO L225 Difference]: With dead ends: 1447 [2019-11-27 22:38:47,125 INFO L226 Difference]: Without dead ends: 1052 [2019-11-27 22:38:47,128 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:47,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-11-27 22:38:47,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2019-11-27 22:38:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-27 22:38:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1048 transitions. [2019-11-27 22:38:47,173 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1048 transitions. Word has length 123 [2019-11-27 22:38:47,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:47,174 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1048 transitions. [2019-11-27 22:38:47,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1048 transitions. [2019-11-27 22:38:47,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-27 22:38:47,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:47,178 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:47,178 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:47,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:47,179 INFO L82 PathProgramCache]: Analyzing trace with hash -919287317, now seen corresponding path program 1 times [2019-11-27 22:38:47,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:47,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682495637] [2019-11-27 22:38:47,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-27 22:38:47,282 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682495637] [2019-11-27 22:38:47,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:47,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:38:47,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687406018] [2019-11-27 22:38:47,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:47,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:47,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:47,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:47,288 INFO L87 Difference]: Start difference. First operand 790 states and 1048 transitions. Second operand 4 states. [2019-11-27 22:38:47,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:47,953 INFO L93 Difference]: Finished difference Result 1709 states and 2261 transitions. [2019-11-27 22:38:47,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:47,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-11-27 22:38:47,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:47,960 INFO L225 Difference]: With dead ends: 1709 [2019-11-27 22:38:47,960 INFO L226 Difference]: Without dead ends: 921 [2019-11-27 22:38:47,963 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:47,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-11-27 22:38:48,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2019-11-27 22:38:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-11-27 22:38:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1167 transitions. [2019-11-27 22:38:48,005 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1167 transitions. Word has length 134 [2019-11-27 22:38:48,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:48,006 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1167 transitions. [2019-11-27 22:38:48,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1167 transitions. [2019-11-27 22:38:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-27 22:38:48,010 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:48,010 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:48,011 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:48,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:48,011 INFO L82 PathProgramCache]: Analyzing trace with hash -591434096, now seen corresponding path program 1 times [2019-11-27 22:38:48,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:48,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456851446] [2019-11-27 22:38:48,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-27 22:38:48,111 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456851446] [2019-11-27 22:38:48,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:48,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:38:48,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971571704] [2019-11-27 22:38:48,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:48,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:48,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:48,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:38:48,114 INFO L87 Difference]: Start difference. First operand 921 states and 1167 transitions. Second operand 3 states. [2019-11-27 22:38:48,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:48,712 INFO L93 Difference]: Finished difference Result 2495 states and 3186 transitions. [2019-11-27 22:38:48,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:48,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-27 22:38:48,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:48,723 INFO L225 Difference]: With dead ends: 2495 [2019-11-27 22:38:48,723 INFO L226 Difference]: Without dead ends: 1445 [2019-11-27 22:38:48,726 INFO L630 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 [2019-11-27 22:38:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-11-27 22:38:48,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1314. [2019-11-27 22:38:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-11-27 22:38:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1519 transitions. [2019-11-27 22:38:48,768 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1519 transitions. Word has length 136 [2019-11-27 22:38:48,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:48,769 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1519 transitions. [2019-11-27 22:38:48,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:48,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1519 transitions. [2019-11-27 22:38:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-27 22:38:48,774 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:48,774 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:48,775 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:48,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:48,775 INFO L82 PathProgramCache]: Analyzing trace with hash 970078500, now seen corresponding path program 1 times [2019-11-27 22:38:48,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:48,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982429834] [2019-11-27 22:38:48,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-27 22:38:48,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982429834] [2019-11-27 22:38:48,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:48,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:38:48,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528133668] [2019-11-27 22:38:48,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:38:48,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:48,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:38:48,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:38:48,900 INFO L87 Difference]: Start difference. First operand 1314 states and 1519 transitions. Second operand 4 states. [2019-11-27 22:38:49,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:49,540 INFO L93 Difference]: Finished difference Result 2762 states and 3183 transitions. [2019-11-27 22:38:49,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 22:38:49,540 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-11-27 22:38:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:49,547 INFO L225 Difference]: With dead ends: 2762 [2019-11-27 22:38:49,547 INFO L226 Difference]: Without dead ends: 1450 [2019-11-27 22:38:49,549 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-27 22:38:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2019-11-27 22:38:49,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1445. [2019-11-27 22:38:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-11-27 22:38:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1653 transitions. [2019-11-27 22:38:49,581 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1653 transitions. Word has length 144 [2019-11-27 22:38:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:49,582 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1653 transitions. [2019-11-27 22:38:49,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:38:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1653 transitions. [2019-11-27 22:38:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-27 22:38:49,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:49,586 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:49,586 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:49,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:49,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1716019364, now seen corresponding path program 1 times [2019-11-27 22:38:49,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:49,587 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504346639] [2019-11-27 22:38:49,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-27 22:38:49,664 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504346639] [2019-11-27 22:38:49,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:49,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:38:49,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621072738] [2019-11-27 22:38:49,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 22:38:49,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:49,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 22:38:49,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 22:38:49,666 INFO L87 Difference]: Start difference. First operand 1445 states and 1653 transitions. Second operand 5 states. [2019-11-27 22:38:50,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:50,927 INFO L93 Difference]: Finished difference Result 3019 states and 3466 transitions. [2019-11-27 22:38:50,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 22:38:50,928 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2019-11-27 22:38:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:50,937 INFO L225 Difference]: With dead ends: 3019 [2019-11-27 22:38:50,937 INFO L226 Difference]: Without dead ends: 1707 [2019-11-27 22:38:50,940 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 22:38:50,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-27 22:38:50,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2019-11-27 22:38:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-27 22:38:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1782 transitions. [2019-11-27 22:38:50,980 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1782 transitions. Word has length 148 [2019-11-27 22:38:50,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:50,980 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1782 transitions. [2019-11-27 22:38:50,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 22:38:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1782 transitions. [2019-11-27 22:38:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-27 22:38:50,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:50,985 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:50,986 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:50,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:50,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1859761211, now seen corresponding path program 1 times [2019-11-27 22:38:50,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:50,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843781174] [2019-11-27 22:38:50,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:38:51,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843781174] [2019-11-27 22:38:51,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:38:51,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:38:51,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228114092] [2019-11-27 22:38:51,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 22:38:51,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:51,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 22:38:51,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 22:38:51,240 INFO L87 Difference]: Start difference. First operand 1576 states and 1782 transitions. Second operand 5 states. [2019-11-27 22:38:52,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:52,219 INFO L93 Difference]: Finished difference Result 4067 states and 4679 transitions. [2019-11-27 22:38:52,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 22:38:52,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2019-11-27 22:38:52,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:52,232 INFO L225 Difference]: With dead ends: 4067 [2019-11-27 22:38:52,232 INFO L226 Difference]: Without dead ends: 2624 [2019-11-27 22:38:52,238 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-27 22:38:52,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2019-11-27 22:38:52,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2019-11-27 22:38:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2019-11-27 22:38:52,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2479 transitions. [2019-11-27 22:38:52,288 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2479 transitions. Word has length 166 [2019-11-27 22:38:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:52,288 INFO L462 AbstractCegarLoop]: Abstraction has 2231 states and 2479 transitions. [2019-11-27 22:38:52,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 22:38:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2479 transitions. [2019-11-27 22:38:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-27 22:38:52,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:38:52,296 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:38:52,296 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:38:52,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:38:52,297 INFO L82 PathProgramCache]: Analyzing trace with hash -374040019, now seen corresponding path program 1 times [2019-11-27 22:38:52,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:38:52,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946545357] [2019-11-27 22:38:52,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:38:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-27 22:38:52,555 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946545357] [2019-11-27 22:38:52,555 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960473575] [2019-11-27 22:38:52,556 INFO L94 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 [2019-11-27 22:38:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:38:52,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-27 22:38:52,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:38:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-27 22:38:52,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-27 22:38:52,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-27 22:38:52,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576625857] [2019-11-27 22:38:52,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:38:52,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:38:52,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:38:52,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-27 22:38:52,829 INFO L87 Difference]: Start difference. First operand 2231 states and 2479 transitions. Second operand 3 states. [2019-11-27 22:38:53,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:38:53,329 INFO L93 Difference]: Finished difference Result 4458 states and 4974 transitions. [2019-11-27 22:38:53,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:38:53,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-11-27 22:38:53,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:38:53,332 INFO L225 Difference]: With dead ends: 4458 [2019-11-27 22:38:53,333 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 22:38:53,338 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-27 22:38:53,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 22:38:53,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 22:38:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 22:38:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 22:38:53,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2019-11-27 22:38:53,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:38:53,340 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 22:38:53,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:38:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 22:38:53,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 22:38:53,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:38:53,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 22:38:53,698 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-27 22:38:53,698 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-27 22:38:53,699 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,699 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,699 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,699 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,699 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,700 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,700 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-27 22:38:53,700 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-27 22:38:53,700 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-27 22:38:53,700 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-27 22:38:53,700 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-27 22:38:53,701 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-27 22:38:53,701 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-27 22:38:53,702 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-27 22:38:53,702 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-27 22:38:53,702 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-27 22:38:53,702 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,702 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,702 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,703 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,703 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,703 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,703 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-27 22:38:53,703 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-27 22:38:53,705 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-27 22:38:53,705 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-27 22:38:53,705 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-27 22:38:53,705 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-27 22:38:53,706 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-27 22:38:53,707 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-27 22:38:53,707 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,707 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,707 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,707 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,707 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,707 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-27 22:38:53,708 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-27 22:38:53,708 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-27 22:38:53,709 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-27 22:38:53,709 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-27 22:38:53,709 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-27 22:38:53,710 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-27 22:38:53,712 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-27 22:38:53,713 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-27 22:38:53,714 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1 (= 15 ~a8~0)) (= 13 ~a8~0) (and .cse0 .cse1 (= ~a20~0 1)) (<= ~a17~0 0))) [2019-11-27 22:38:53,714 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,715 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,715 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,715 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,715 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,715 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-27 22:38:53,715 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-27 22:38:53,716 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-27 22:38:53,717 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-27 22:38:53,718 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-27 22:38:53,719 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-27 22:38:53,719 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,719 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,719 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,719 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,719 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,719 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-27 22:38:53,719 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-27 22:38:53,720 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-27 22:38:53,722 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-27 22:38:53,722 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-27 22:38:53,722 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-27 22:38:53,722 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-27 22:38:53,722 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-27 22:38:53,722 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-27 22:38:53,722 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,723 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,723 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,723 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-27 22:38:53,724 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-27 22:38:53,725 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1 (= 15 ~a8~0)) (= 13 ~a8~0) (and .cse0 .cse1 (= ~a20~0 1)) (<= ~a17~0 0))) [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-27 22:38:53,726 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,727 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-27 22:38:53,728 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,729 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-27 22:38:53,730 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,731 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,732 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,732 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-27 22:38:53,732 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,732 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-27 22:38:53,732 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-27 22:38:53,732 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-27 22:38:53,732 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-27 22:38:53,736 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-27 22:38:53,736 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-27 22:38:53,736 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-27 22:38:53,736 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-27 22:38:53,736 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-27 22:38:53,736 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-27 22:38:53,737 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-27 22:38:53,737 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 22:38:53,737 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2019-11-27 22:38:53,737 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-27 22:38:53,737 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-27 22:38:53,738 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-27 22:38:53,739 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-27 22:38:53,740 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-27 22:38:53,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:38:53 BoogieIcfgContainer [2019-11-27 22:38:53,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:38:53,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:38:53,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:38:53,770 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:38:53,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:38:43" (3/4) ... [2019-11-27 22:38:53,775 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 22:38:53,815 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-27 22:38:53,816 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 22:38:54,036 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:38:54,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:38:54,038 INFO L168 Benchmark]: Toolchain (without parser) took 12729.54 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.7 MB). Free memory was 956.3 MB in the beginning and 1.4 GB in the end (delta: -404.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:54,039 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:38:54,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:54,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:54,040 INFO L168 Benchmark]: Boogie Preprocessor took 89.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:54,040 INFO L168 Benchmark]: RCFGBuilder took 1516.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:54,041 INFO L168 Benchmark]: TraceAbstraction took 9936.07 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 302.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -383.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:38:54,041 INFO L168 Benchmark]: Witness Printer took 266.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-27 22:38:54,043 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 808.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1516.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9936.07 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 302.5 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -383.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 266.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: 30]: Loop Invariant Derived loop invariant: ((((a17 == 1 && a21 == 1) && 15 == a8) || 13 == a8) || ((a17 == 1 && a21 == 1) && a20 == 1)) || a17 <= 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a17 == 1 && a21 == 1) && 15 == a8) || 13 == a8) || ((a17 == 1 && a21 == 1) && a20 == 1)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 9.5s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 443 SDtfs, 1774 SDslu, 104 SDs, 0 SdLazy, 4832 SolverSat, 662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 922 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1037 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1431 NumberOfCodeBlocks, 1431 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 530865 SizeOfPredicates, 1 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 655/682 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...