./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label41.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b1fb34826a15e6d600ad77d7369c30f7d2c3a87e .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:30:22,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:30:22,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:30:22,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:30:22,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:30:22,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:30:22,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:30:22,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:30:22,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:30:22,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:30:22,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:30:22,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:30:22,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:30:22,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:30:22,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:30:22,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:30:22,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:30:22,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:30:22,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:30:22,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:30:22,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:30:22,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:30:22,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:30:22,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:30:22,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:30:22,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:30:22,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:30:22,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:30:22,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:30:22,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:30:22,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:30:22,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:30:22,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:30:22,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:30:22,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:30:22,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:30:22,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:30:22,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:30:22,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:30:22,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:30:22,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:30:22,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:30:22,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:30:22,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:30:22,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:30:22,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:30:22,140 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:30:22,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:30:22,141 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:30:22,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:30:22,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:30:22,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:30:22,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:30:22,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:30:22,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:30:22,144 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:30:22,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:30:22,145 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:30:22,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:30:22,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:30:22,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:30:22,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:30:22,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:30:22,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:30:22,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:30:22,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:30:22,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:30:22,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:30:22,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:30:22,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:30:22,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:30:22,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1fb34826a15e6d600ad77d7369c30f7d2c3a87e [2020-10-19 22:30:22,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:30:22,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:30:22,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:30:22,419 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:30:22,419 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:30:22,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2020-10-19 22:30:22,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b173adea6/c563e024dbcf4947ab67071a4890b5cd/FLAG51d912627 [2020-10-19 22:30:23,059 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:30:23,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label41.c [2020-10-19 22:30:23,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b173adea6/c563e024dbcf4947ab67071a4890b5cd/FLAG51d912627 [2020-10-19 22:30:23,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b173adea6/c563e024dbcf4947ab67071a4890b5cd [2020-10-19 22:30:23,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:30:23,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:30:23,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:23,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:30:23,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:30:23,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:23" (1/1) ... [2020-10-19 22:30:23,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af78815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:23, skipping insertion in model container [2020-10-19 22:30:23,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:23" (1/1) ... [2020-10-19 22:30:23,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:30:23,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:30:23,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:23,961 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:30:24,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:24,113 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:30:24,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24 WrapperNode [2020-10-19 22:30:24,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:24,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:24,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:30:24,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:30:24,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:24,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:30:24,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:30:24,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:30:24,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... [2020-10-19 22:30:24,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:30:24,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:30:24,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:30:24,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:30:24,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:30:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:30:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:30:24,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:30:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:30:25,661 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:30:25,661 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:30:25,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:25 BoogieIcfgContainer [2020-10-19 22:30:25,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:30:25,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:30:25,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:30:25,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:30:25,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:30:23" (1/3) ... [2020-10-19 22:30:25,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395b0d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:25, skipping insertion in model container [2020-10-19 22:30:25,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:24" (2/3) ... [2020-10-19 22:30:25,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395b0d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:25, skipping insertion in model container [2020-10-19 22:30:25,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:25" (3/3) ... [2020-10-19 22:30:25,672 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-10-19 22:30:25,685 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:30:25,694 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:30:25,742 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:30:25,772 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:30:25,772 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:30:25,772 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:30:25,772 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:30:25,773 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:30:25,774 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:30:25,774 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:30:25,774 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:30:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-19 22:30:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-19 22:30:25,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:25,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:25,811 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:25,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:25,819 INFO L82 PathProgramCache]: Analyzing trace with hash 867355110, now seen corresponding path program 1 times [2020-10-19 22:30:25,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:25,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568214139] [2020-10-19 22:30:25,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:26,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568214139] [2020-10-19 22:30:26,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:26,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:26,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104386086] [2020-10-19 22:30:26,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:26,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:26,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:26,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:26,451 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-10-19 22:30:27,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:27,415 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-10-19 22:30:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:27,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-10-19 22:30:27,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:27,433 INFO L225 Difference]: With dead ends: 529 [2020-10-19 22:30:27,434 INFO L226 Difference]: Without dead ends: 266 [2020-10-19 22:30:27,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-19 22:30:27,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-19 22:30:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-19 22:30:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-10-19 22:30:27,500 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 85 [2020-10-19 22:30:27,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:27,501 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-10-19 22:30:27,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:27,502 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-10-19 22:30:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-19 22:30:27,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:27,506 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:30:27,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:30:27,507 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:27,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:27,508 INFO L82 PathProgramCache]: Analyzing trace with hash 760034033, now seen corresponding path program 1 times [2020-10-19 22:30:27,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:27,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272626535] [2020-10-19 22:30:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:27,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272626535] [2020-10-19 22:30:27,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:27,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:27,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521498616] [2020-10-19 22:30:27,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:27,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:27,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:27,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:27,592 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-10-19 22:30:28,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:28,175 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-10-19 22:30:28,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:28,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-10-19 22:30:28,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:28,181 INFO L225 Difference]: With dead ends: 792 [2020-10-19 22:30:28,181 INFO L226 Difference]: Without dead ends: 528 [2020-10-19 22:30:28,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:28,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-19 22:30:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-10-19 22:30:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-10-19 22:30:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2020-10-19 22:30:28,227 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 91 [2020-10-19 22:30:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:28,228 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2020-10-19 22:30:28,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2020-10-19 22:30:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-19 22:30:28,234 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:28,234 INFO L422 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] [2020-10-19 22:30:28,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:30:28,235 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:28,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:28,236 INFO L82 PathProgramCache]: Analyzing trace with hash 754243569, now seen corresponding path program 1 times [2020-10-19 22:30:28,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:28,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549703338] [2020-10-19 22:30:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:28,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549703338] [2020-10-19 22:30:28,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:28,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:30:28,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161757121] [2020-10-19 22:30:28,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:28,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:28,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:28,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:28,353 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand 3 states. [2020-10-19 22:30:28,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:28,943 INFO L93 Difference]: Finished difference Result 1447 states and 2051 transitions. [2020-10-19 22:30:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:28,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-10-19 22:30:28,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:28,949 INFO L225 Difference]: With dead ends: 1447 [2020-10-19 22:30:28,950 INFO L226 Difference]: Without dead ends: 921 [2020-10-19 22:30:28,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:28,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-10-19 22:30:28,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2020-10-19 22:30:28,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-19 22:30:28,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1037 transitions. [2020-10-19 22:30:28,982 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1037 transitions. Word has length 92 [2020-10-19 22:30:28,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:28,982 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1037 transitions. [2020-10-19 22:30:28,983 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1037 transitions. [2020-10-19 22:30:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-19 22:30:28,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:28,989 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-19 22:30:28,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:30:28,990 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:28,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:28,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1176504714, now seen corresponding path program 1 times [2020-10-19 22:30:28,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:28,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474501823] [2020-10-19 22:30:28,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:29,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474501823] [2020-10-19 22:30:29,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:29,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:29,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801830358] [2020-10-19 22:30:29,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:29,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:29,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:29,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:29,066 INFO L87 Difference]: Start difference. First operand 790 states and 1037 transitions. Second operand 3 states. [2020-10-19 22:30:29,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:29,705 INFO L93 Difference]: Finished difference Result 2102 states and 2771 transitions. [2020-10-19 22:30:29,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:29,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-10-19 22:30:29,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:29,726 INFO L225 Difference]: With dead ends: 2102 [2020-10-19 22:30:29,726 INFO L226 Difference]: Without dead ends: 1183 [2020-10-19 22:30:29,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:29,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-10-19 22:30:29,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 790. [2020-10-19 22:30:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-19 22:30:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 923 transitions. [2020-10-19 22:30:29,757 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 923 transitions. Word has length 93 [2020-10-19 22:30:29,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:29,758 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 923 transitions. [2020-10-19 22:30:29,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 923 transitions. [2020-10-19 22:30:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-19 22:30:29,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:29,764 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:29,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:30:29,765 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:29,766 INFO L82 PathProgramCache]: Analyzing trace with hash 844045906, now seen corresponding path program 1 times [2020-10-19 22:30:29,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:29,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859454406] [2020-10-19 22:30:29,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-19 22:30:29,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859454406] [2020-10-19 22:30:29,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:29,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:30:29,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159076578] [2020-10-19 22:30:29,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:30:29,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:29,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:30:29,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:30:29,864 INFO L87 Difference]: Start difference. First operand 790 states and 923 transitions. Second operand 4 states. [2020-10-19 22:30:30,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:30,561 INFO L93 Difference]: Finished difference Result 2102 states and 2452 transitions. [2020-10-19 22:30:30,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:30:30,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-10-19 22:30:30,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:30,568 INFO L225 Difference]: With dead ends: 2102 [2020-10-19 22:30:30,568 INFO L226 Difference]: Without dead ends: 1314 [2020-10-19 22:30:30,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:30:30,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-19 22:30:30,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2020-10-19 22:30:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-10-19 22:30:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1346 transitions. [2020-10-19 22:30:30,606 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1346 transitions. Word has length 139 [2020-10-19 22:30:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:30,607 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1346 transitions. [2020-10-19 22:30:30,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:30:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1346 transitions. [2020-10-19 22:30:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-19 22:30:30,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:30,612 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:30,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-19 22:30:30,612 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:30,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1641145710, now seen corresponding path program 1 times [2020-10-19 22:30:30,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:30,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310333181] [2020-10-19 22:30:30,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-19 22:30:30,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310333181] [2020-10-19 22:30:30,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:30,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:30,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226357775] [2020-10-19 22:30:30,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:30,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:30,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:30,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:30,747 INFO L87 Difference]: Start difference. First operand 1183 states and 1346 transitions. Second operand 3 states. [2020-10-19 22:30:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:31,258 INFO L93 Difference]: Finished difference Result 2495 states and 2844 transitions. [2020-10-19 22:30:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:31,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2020-10-19 22:30:31,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:31,265 INFO L225 Difference]: With dead ends: 2495 [2020-10-19 22:30:31,266 INFO L226 Difference]: Without dead ends: 1314 [2020-10-19 22:30:31,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:31,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-19 22:30:31,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-10-19 22:30:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-19 22:30:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1490 transitions. [2020-10-19 22:30:31,308 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1490 transitions. Word has length 164 [2020-10-19 22:30:31,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:31,312 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1490 transitions. [2020-10-19 22:30:31,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:31,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1490 transitions. [2020-10-19 22:30:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-19 22:30:31,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:31,316 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 22:30:31,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:30:31,317 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:31,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:31,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1372233944, now seen corresponding path program 1 times [2020-10-19 22:30:31,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:31,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484465690] [2020-10-19 22:30:31,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-19 22:30:31,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484465690] [2020-10-19 22:30:31,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410237243] [2020-10-19 22:30:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:31,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:31,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-19 22:30:31,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:31,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:30:31,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617765968] [2020-10-19 22:30:31,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:31,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:31,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:31,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:31,737 INFO L87 Difference]: Start difference. First operand 1314 states and 1490 transitions. Second operand 3 states. [2020-10-19 22:30:32,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:32,246 INFO L93 Difference]: Finished difference Result 3150 states and 3581 transitions. [2020-10-19 22:30:32,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:32,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-10-19 22:30:32,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:32,257 INFO L225 Difference]: With dead ends: 3150 [2020-10-19 22:30:32,257 INFO L226 Difference]: Without dead ends: 1838 [2020-10-19 22:30:32,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:32,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-10-19 22:30:32,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2020-10-19 22:30:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-10-19 22:30:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1490 transitions. [2020-10-19 22:30:32,297 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1490 transitions. Word has length 168 [2020-10-19 22:30:32,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:32,298 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1490 transitions. [2020-10-19 22:30:32,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1490 transitions. [2020-10-19 22:30:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-19 22:30:32,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:32,302 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:32,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-10-19 22:30:32,516 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:32,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:32,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1690670661, now seen corresponding path program 1 times [2020-10-19 22:30:32,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:32,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276440067] [2020-10-19 22:30:32,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-10-19 22:30:32,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276440067] [2020-10-19 22:30:32,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608411261] [2020-10-19 22:30:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:32,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:32,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-19 22:30:32,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:32,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:30:32,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155578514] [2020-10-19 22:30:32,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:32,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:32,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:32,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:32,994 INFO L87 Difference]: Start difference. First operand 1314 states and 1490 transitions. Second operand 3 states. [2020-10-19 22:30:33,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:33,634 INFO L93 Difference]: Finished difference Result 3543 states and 3988 transitions. [2020-10-19 22:30:33,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:33,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-10-19 22:30:33,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:33,645 INFO L225 Difference]: With dead ends: 3543 [2020-10-19 22:30:33,646 INFO L226 Difference]: Without dead ends: 2100 [2020-10-19 22:30:33,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-10-19 22:30:33,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2020-10-19 22:30:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-10-19 22:30:33,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2164 transitions. [2020-10-19 22:30:33,693 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2164 transitions. Word has length 172 [2020-10-19 22:30:33,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:33,694 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2164 transitions. [2020-10-19 22:30:33,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2164 transitions. [2020-10-19 22:30:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-19 22:30:33,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:33,701 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:33,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:33,914 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:33,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:33,915 INFO L82 PathProgramCache]: Analyzing trace with hash -2083151818, now seen corresponding path program 1 times [2020-10-19 22:30:33,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:33,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394078500] [2020-10-19 22:30:33,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-19 22:30:34,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394078500] [2020-10-19 22:30:34,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966915137] [2020-10-19 22:30:34,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:34,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:34,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-19 22:30:34,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:34,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-19 22:30:34,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941732292] [2020-10-19 22:30:34,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:34,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:34,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:34,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:34,256 INFO L87 Difference]: Start difference. First operand 1969 states and 2164 transitions. Second operand 3 states. [2020-10-19 22:30:34,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:34,873 INFO L93 Difference]: Finished difference Result 4198 states and 4599 transitions. [2020-10-19 22:30:34,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:34,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-10-19 22:30:34,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:34,884 INFO L225 Difference]: With dead ends: 4198 [2020-10-19 22:30:34,884 INFO L226 Difference]: Without dead ends: 2231 [2020-10-19 22:30:34,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:30:34,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2020-10-19 22:30:34,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1969. [2020-10-19 22:30:34,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-10-19 22:30:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2132 transitions. [2020-10-19 22:30:34,929 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2132 transitions. Word has length 188 [2020-10-19 22:30:34,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:34,930 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2132 transitions. [2020-10-19 22:30:34,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2132 transitions. [2020-10-19 22:30:34,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-19 22:30:34,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:34,937 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 22:30:35,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:35,151 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:35,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:35,152 INFO L82 PathProgramCache]: Analyzing trace with hash -821619682, now seen corresponding path program 1 times [2020-10-19 22:30:35,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:35,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961588425] [2020-10-19 22:30:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 57 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:30:35,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961588425] [2020-10-19 22:30:35,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590958059] [2020-10-19 22:30:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:35,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:30:35,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:30:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-19 22:30:35,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:30:35,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-19 22:30:35,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739559237] [2020-10-19 22:30:35,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:35,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:35,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:35,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-19 22:30:35,818 INFO L87 Difference]: Start difference. First operand 1969 states and 2132 transitions. Second operand 3 states. [2020-10-19 22:30:36,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:36,294 INFO L93 Difference]: Finished difference Result 4065 states and 4407 transitions. [2020-10-19 22:30:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:36,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-19 22:30:36,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:36,296 INFO L225 Difference]: With dead ends: 4065 [2020-10-19 22:30:36,296 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:30:36,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-19 22:30:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:30:36,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:30:36,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:30:36,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:30:36,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2020-10-19 22:30:36,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:36,303 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:30:36,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:30:36,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:30:36,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:30:36,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:30:36,739 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-10-19 22:30:36,891 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-10-19 22:30:36,895 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-19 22:30:36,896 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-19 22:30:36,897 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,898 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,898 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,898 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,899 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,899 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,899 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-19 22:30:36,899 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-19 22:30:36,900 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-19 22:30:36,900 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-19 22:30:36,900 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-19 22:30:36,900 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-19 22:30:36,900 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-19 22:30:36,901 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-19 22:30:36,901 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-19 22:30:36,901 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-19 22:30:36,901 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,901 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,901 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,902 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,902 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,902 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,902 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-19 22:30:36,902 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-19 22:30:36,903 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-19 22:30:36,903 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-19 22:30:36,903 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-19 22:30:36,903 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-19 22:30:36,903 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-19 22:30:36,904 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-19 22:30:36,904 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-19 22:30:36,904 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-19 22:30:36,904 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-19 22:30:36,904 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-19 22:30:36,904 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-19 22:30:36,905 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-19 22:30:36,905 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-19 22:30:36,905 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,905 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,905 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,905 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,906 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,906 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-19 22:30:36,906 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-19 22:30:36,906 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-19 22:30:36,906 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-19 22:30:36,907 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-19 22:30:36,907 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-19 22:30:36,907 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-19 22:30:36,907 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-19 22:30:36,907 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-19 22:30:36,908 INFO L270 CegarLoopResult]: At program point L576(lines 32 577) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse5 (<= 15 ~a8~0)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a7~0 1)) (.cse4 (= ~a20~0 1)) (.cse6 (= ~a17~0 1)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse4) (and (<= 6 ~a16~0) .cse3) (and .cse3 .cse0) (and .cse1 .cse5) (and (not .cse3) .cse5 .cse6) (and .cse2 .cse4 .cse6) (and .cse3 .cse4 .cse6) (and (<= 14 ~a8~0) (<= ~a16~0 5) .cse1))) [2020-10-19 22:30:36,908 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,908 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,908 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,909 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,909 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,909 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-19 22:30:36,909 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-19 22:30:36,909 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-19 22:30:36,910 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-19 22:30:36,910 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-19 22:30:36,910 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-19 22:30:36,910 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-19 22:30:36,910 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-19 22:30:36,910 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-19 22:30:36,911 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-19 22:30:36,911 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-19 22:30:36,911 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-19 22:30:36,911 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-19 22:30:36,911 INFO L277 CegarLoopResult]: At program point L579(lines 579 596) the Hoare annotation is: true [2020-10-19 22:30:36,911 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,912 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,912 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,912 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,912 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,912 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-19 22:30:36,912 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-19 22:30:36,913 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-19 22:30:36,913 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-19 22:30:36,913 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-19 22:30:36,913 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-19 22:30:36,913 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-19 22:30:36,914 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-19 22:30:36,914 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:30:36,914 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-19 22:30:36,914 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,914 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,914 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,915 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,915 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-19 22:30:36,915 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,915 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-19 22:30:36,915 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-19 22:30:36,915 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-19 22:30:36,916 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-19 22:30:36,916 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-19 22:30:36,916 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-19 22:30:36,916 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-19 22:30:36,916 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-19 22:30:36,917 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-19 22:30:36,917 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-19 22:30:36,917 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-19 22:30:36,917 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-19 22:30:36,917 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-19 22:30:36,917 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,918 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (let ((.cse0 (<= ~a16~0 4)) (.cse5 (<= 15 ~a8~0)) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a7~0 1)) (.cse4 (= ~a20~0 1)) (.cse6 (= ~a17~0 1)) (.cse1 (<= ~a17~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse4) (and (<= 6 ~a16~0) .cse3) (and .cse3 .cse0) (and .cse1 .cse5) (and (not .cse3) .cse5 .cse6) (and .cse2 .cse4 .cse6) (and .cse3 .cse4 .cse6) (and (<= 14 ~a8~0) (<= ~a16~0 5) .cse1))) [2020-10-19 22:30:36,918 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,918 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,918 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,918 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,919 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-19 22:30:36,919 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-19 22:30:36,919 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-19 22:30:36,919 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-19 22:30:36,919 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-19 22:30:36,920 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-19 22:30:36,920 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-19 22:30:36,920 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:30:36,920 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-19 22:30:36,920 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,920 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,921 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,921 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,921 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,921 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-19 22:30:36,921 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-19 22:30:36,921 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-19 22:30:36,922 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-19 22:30:36,922 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-19 22:30:36,922 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-19 22:30:36,922 INFO L274 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-19 22:30:36,922 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-19 22:30:36,922 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-19 22:30:36,923 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-19 22:30:36,923 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:30:36,923 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-19 22:30:36,923 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-19 22:30:36,923 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,923 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,924 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,924 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,924 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-19 22:30:36,924 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,924 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,924 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-19 22:30:36,925 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-19 22:30:36,925 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-19 22:30:36,925 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-19 22:30:36,925 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-19 22:30:36,925 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-19 22:30:36,925 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-19 22:30:36,926 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-19 22:30:36,926 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-19 22:30:36,926 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-19 22:30:36,926 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-19 22:30:36,926 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-19 22:30:36,927 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:30:36,927 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:30:36,927 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,927 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,927 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,928 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,928 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,928 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-19 22:30:36,928 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-19 22:30:36,928 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-19 22:30:36,928 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-19 22:30:36,929 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-19 22:30:36,929 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-19 22:30:36,929 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-19 22:30:36,929 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-19 22:30:36,929 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-19 22:30:36,930 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-19 22:30:36,930 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-19 22:30:36,930 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-19 22:30:36,930 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-19 22:30:36,930 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-19 22:30:36,930 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-19 22:30:36,930 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-19 22:30:36,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:30:36 BoogieIcfgContainer [2020-10-19 22:30:36,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:30:36,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:30:36,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:30:36,955 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:30:36,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:25" (3/4) ... [2020-10-19 22:30:36,960 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:30:36,983 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:30:36,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:30:36,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:30:36,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:30:37,248 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:30:37,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:30:37,250 INFO L168 Benchmark]: Toolchain (without parser) took 13900.89 ms. Allocated memory was 35.1 MB in the beginning and 153.6 MB in the end (delta: 118.5 MB). Free memory was 10.3 MB in the beginning and 120.0 MB in the end (delta: -109.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,251 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.56 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 9.4 MB in the beginning and 19.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.77 ms. Allocated memory is still 44.0 MB. Free memory was 19.0 MB in the beginning and 13.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,252 INFO L168 Benchmark]: Boogie Preprocessor took 125.48 ms. Allocated memory was 44.0 MB in the beginning and 45.1 MB in the end (delta: 1.0 MB). Free memory was 13.2 MB in the beginning and 21.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,253 INFO L168 Benchmark]: RCFGBuilder took 1312.48 ms. Allocated memory was 45.1 MB in the beginning and 55.1 MB in the end (delta: 10.0 MB). Free memory was 21.3 MB in the beginning and 12.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,253 INFO L168 Benchmark]: TraceAbstraction took 11289.75 ms. Allocated memory was 55.1 MB in the beginning and 146.8 MB in the end (delta: 91.8 MB). Free memory was 11.7 MB in the beginning and 32.0 MB in the end (delta: -20.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,254 INFO L168 Benchmark]: Witness Printer took 293.74 ms. Allocated memory was 146.8 MB in the beginning and 153.6 MB in the end (delta: 6.8 MB). Free memory was 32.0 MB in the beginning and 120.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:30:37,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 753.56 ms. Allocated memory was 35.1 MB in the beginning and 44.0 MB in the end (delta: 8.9 MB). Free memory was 9.4 MB in the beginning and 19.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 109.77 ms. Allocated memory is still 44.0 MB. Free memory was 19.0 MB in the beginning and 13.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 125.48 ms. Allocated memory was 44.0 MB in the beginning and 45.1 MB in the end (delta: 1.0 MB). Free memory was 13.2 MB in the beginning and 21.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1312.48 ms. Allocated memory was 45.1 MB in the beginning and 55.1 MB in the end (delta: 10.0 MB). Free memory was 21.3 MB in the beginning and 12.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 11289.75 ms. Allocated memory was 55.1 MB in the beginning and 146.8 MB in the end (delta: 91.8 MB). Free memory was 11.7 MB in the beginning and 32.0 MB in the end (delta: -20.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 14.3 GB. * Witness Printer took 293.74 ms. Allocated memory was 146.8 MB in the beginning and 153.6 MB in the end (delta: 6.8 MB). Free memory was 32.0 MB in the beginning and 120.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((((a16 <= 4 && a17 <= 0) || ((a21 == 1 && a7 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (6 <= a16 && a7 == 1)) || (a7 == 1 && a16 <= 4)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((a7 == 1 && a20 == 1) && a17 == 1)) || ((14 <= a8 && a16 <= 5) && a17 <= 0) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((a16 <= 4 && a17 <= 0) || ((a21 == 1 && a7 == 1) && a20 == 1)) || ((a21 == 1 && a17 <= 0) && a20 == 1)) || (6 <= a16 && a7 == 1)) || (a7 == 1 && a16 <= 4)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || ((a21 == 1 && a20 == 1) && a17 == 1)) || ((a7 == 1 && a20 == 1) && a17 == 1)) || ((14 <= a8 && a16 <= 5) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 931 SDtfs, 1203 SDslu, 57 SDs, 0 SdLazy, 3360 SolverSat, 591 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 741 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=8, 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, 10 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 181 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1648 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 252 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2098 NumberOfCodeBlocks, 2098 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2084 ConstructedInterpolants, 0 QuantifiedInterpolants, 1247839 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1502 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 1304/1411 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...