./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label03.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d64a39c93cd8c90fe6286afc9a8d2a5f7f0b4f8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:28:04,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:28:04,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:28:04,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:28:04,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:28:04,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:28:04,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:28:04,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:28:04,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:28:04,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:28:04,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:28:04,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:28:04,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:28:04,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:28:04,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:28:04,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:28:04,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:28:04,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:28:04,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:28:04,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:28:04,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:28:04,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:28:04,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:28:04,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:28:04,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:28:04,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:28:04,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:28:04,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:28:04,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:28:04,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:28:04,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:28:04,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:28:04,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:28:04,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:28:04,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:28:04,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:28:04,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:28:04,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:28:04,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:28:04,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:28:04,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:28:04,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:28:04,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:28:04,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:28:04,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:28:04,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:28:04,355 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:28:04,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:28:04,356 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:28:04,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:28:04,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:28:04,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:28:04,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:28:04,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:28:04,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:28:04,359 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:28:04,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:28:04,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:28:04,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:28:04,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:28:04,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:28:04,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:28:04,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:28:04,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:28:04,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:28:04,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:28:04,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:28:04,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:28:04,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:28:04,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:28:04,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:28:04,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d64a39c93cd8c90fe6286afc9a8d2a5f7f0b4f8 [2020-10-25 20:28:04,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:28:04,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:28:04,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:28:04,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:28:04,829 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:28:04,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2020-10-25 20:28:04,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb37edd72/239f871b674d4240b94d725243450ad1/FLAG80e61b70d [2020-10-25 20:28:05,811 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:28:05,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2020-10-25 20:28:05,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb37edd72/239f871b674d4240b94d725243450ad1/FLAG80e61b70d [2020-10-25 20:28:05,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb37edd72/239f871b674d4240b94d725243450ad1 [2020-10-25 20:28:05,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:28:05,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:28:05,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:28:05,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:28:05,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:28:05,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:28:05" (1/1) ... [2020-10-25 20:28:05,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288d9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:05, skipping insertion in model container [2020-10-25 20:28:05,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:28:05" (1/1) ... [2020-10-25 20:28:06,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:28:06,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:28:06,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:28:06,719 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:28:07,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:28:07,023 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:28:07,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07 WrapperNode [2020-10-25 20:28:07,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:28:07,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:28:07,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:28:07,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:28:07,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:28:07,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:28:07,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:28:07,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:28:07,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... [2020-10-25 20:28:07,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:28:07,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:28:07,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:28:07,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:28:07,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:28:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:28:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:28:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:28:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:28:09,917 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:28:09,917 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:28:09,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:09 BoogieIcfgContainer [2020-10-25 20:28:09,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:28:09,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:28:09,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:28:09,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:28:09,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:28:05" (1/3) ... [2020-10-25 20:28:09,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c03dd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:28:09, skipping insertion in model container [2020-10-25 20:28:09,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:28:07" (2/3) ... [2020-10-25 20:28:09,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c03dd95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:28:09, skipping insertion in model container [2020-10-25 20:28:09,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:09" (3/3) ... [2020-10-25 20:28:09,929 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label03.c [2020-10-25 20:28:09,943 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:28:09,949 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:28:09,964 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:28:09,995 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:28:09,995 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:28:09,995 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:28:09,995 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:28:09,995 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:28:09,995 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:28:09,996 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:28:09,996 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:28:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:28:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-25 20:28:10,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:10,025 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] [2020-10-25 20:28:10,025 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:10,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:10,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1722039382, now seen corresponding path program 1 times [2020-10-25 20:28:10,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:10,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398432439] [2020-10-25 20:28:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:10,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398432439] [2020-10-25 20:28:10,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:10,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:10,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878280504] [2020-10-25 20:28:10,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:10,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:10,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:10,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:10,411 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:28:12,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:12,384 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-10-25 20:28:12,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:12,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-10-25 20:28:12,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:12,405 INFO L225 Difference]: With dead ends: 762 [2020-10-25 20:28:12,406 INFO L226 Difference]: Without dead ends: 413 [2020-10-25 20:28:12,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-10-25 20:28:12,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-10-25 20:28:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-10-25 20:28:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-10-25 20:28:12,484 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 30 [2020-10-25 20:28:12,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:12,485 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-10-25 20:28:12,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-10-25 20:28:12,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-25 20:28:12,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:12,489 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:12,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:28:12,490 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:12,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:12,491 INFO L82 PathProgramCache]: Analyzing trace with hash 975403074, now seen corresponding path program 1 times [2020-10-25 20:28:12,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:12,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60838572] [2020-10-25 20:28:12,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:12,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60838572] [2020-10-25 20:28:12,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:12,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:12,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775494148] [2020-10-25 20:28:12,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:12,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:12,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:12,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:12,697 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-10-25 20:28:14,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:14,110 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-10-25 20:28:14,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:14,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-25 20:28:14,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:14,121 INFO L225 Difference]: With dead ends: 1211 [2020-10-25 20:28:14,121 INFO L226 Difference]: Without dead ends: 800 [2020-10-25 20:28:14,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-25 20:28:14,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-10-25 20:28:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-25 20:28:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-10-25 20:28:14,176 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 98 [2020-10-25 20:28:14,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:14,177 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-10-25 20:28:14,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-10-25 20:28:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-25 20:28:14,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:14,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:14,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:28:14,182 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:14,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:14,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1544652067, now seen corresponding path program 1 times [2020-10-25 20:28:14,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:14,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752401579] [2020-10-25 20:28:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:14,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752401579] [2020-10-25 20:28:14,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:14,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:28:14,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030728244] [2020-10-25 20:28:14,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:14,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:14,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:14,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:14,395 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-10-25 20:28:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:15,845 INFO L93 Difference]: Finished difference Result 2316 states and 3182 transitions. [2020-10-25 20:28:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:15,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-10-25 20:28:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:15,857 INFO L225 Difference]: With dead ends: 2316 [2020-10-25 20:28:15,857 INFO L226 Difference]: Without dead ends: 1529 [2020-10-25 20:28:15,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:15,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-10-25 20:28:15,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1526. [2020-10-25 20:28:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-25 20:28:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1857 transitions. [2020-10-25 20:28:15,919 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1857 transitions. Word has length 100 [2020-10-25 20:28:15,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:15,919 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1857 transitions. [2020-10-25 20:28:15,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1857 transitions. [2020-10-25 20:28:15,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-25 20:28:15,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:15,929 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:15,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:28:15,930 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:15,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:15,935 INFO L82 PathProgramCache]: Analyzing trace with hash -609646303, now seen corresponding path program 1 times [2020-10-25 20:28:15,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:15,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888149723] [2020-10-25 20:28:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:16,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888149723] [2020-10-25 20:28:16,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:16,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:16,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337599985] [2020-10-25 20:28:16,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:16,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:16,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:16,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:16,196 INFO L87 Difference]: Start difference. First operand 1526 states and 1857 transitions. Second operand 3 states. [2020-10-25 20:28:17,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:17,615 INFO L93 Difference]: Finished difference Result 3257 states and 4125 transitions. [2020-10-25 20:28:17,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:17,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-10-25 20:28:17,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:17,627 INFO L225 Difference]: With dead ends: 3257 [2020-10-25 20:28:17,627 INFO L226 Difference]: Without dead ends: 1917 [2020-10-25 20:28:17,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:17,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-10-25 20:28:17,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-10-25 20:28:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-10-25 20:28:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2385 transitions. [2020-10-25 20:28:17,677 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2385 transitions. Word has length 157 [2020-10-25 20:28:17,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:17,678 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2385 transitions. [2020-10-25 20:28:17,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2385 transitions. [2020-10-25 20:28:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-25 20:28:17,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:17,686 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:17,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:28:17,686 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:17,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:17,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1698881465, now seen corresponding path program 1 times [2020-10-25 20:28:17,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:17,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799466969] [2020-10-25 20:28:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-10-25 20:28:17,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799466969] [2020-10-25 20:28:17,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:17,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:17,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603643516] [2020-10-25 20:28:17,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:17,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:17,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:17,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:17,911 INFO L87 Difference]: Start difference. First operand 1914 states and 2385 transitions. Second operand 3 states. [2020-10-25 20:28:19,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:19,428 INFO L93 Difference]: Finished difference Result 4389 states and 5592 transitions. [2020-10-25 20:28:19,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:19,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-10-25 20:28:19,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:19,444 INFO L225 Difference]: With dead ends: 4389 [2020-10-25 20:28:19,444 INFO L226 Difference]: Without dead ends: 2661 [2020-10-25 20:28:19,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:19,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-10-25 20:28:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-10-25 20:28:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-10-25 20:28:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3046 transitions. [2020-10-25 20:28:19,510 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3046 transitions. Word has length 212 [2020-10-25 20:28:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:19,511 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3046 transitions. [2020-10-25 20:28:19,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3046 transitions. [2020-10-25 20:28:19,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-25 20:28:19,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:19,515 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:19,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:28:19,516 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:19,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:19,517 INFO L82 PathProgramCache]: Analyzing trace with hash 815372938, now seen corresponding path program 1 times [2020-10-25 20:28:19,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:19,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645465569] [2020-10-25 20:28:19,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 25 proven. 30 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:28:19,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645465569] [2020-10-25 20:28:19,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783706959] [2020-10-25 20:28:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:28:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:20,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:28:20,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:28:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:28:20,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:28:20,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:28:20,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527645203] [2020-10-25 20:28:20,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:20,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:20,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:20,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:20,563 INFO L87 Difference]: Start difference. First operand 2467 states and 3046 transitions. Second operand 3 states. [2020-10-25 20:28:22,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:22,293 INFO L93 Difference]: Finished difference Result 6409 states and 8063 transitions. [2020-10-25 20:28:22,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:22,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-10-25 20:28:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:22,316 INFO L225 Difference]: With dead ends: 6409 [2020-10-25 20:28:22,317 INFO L226 Difference]: Without dead ends: 3944 [2020-10-25 20:28:22,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:22,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2020-10-25 20:28:22,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3941. [2020-10-25 20:28:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3941 states. [2020-10-25 20:28:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 4855 transitions. [2020-10-25 20:28:22,422 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 4855 transitions. Word has length 218 [2020-10-25 20:28:22,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:22,423 INFO L481 AbstractCegarLoop]: Abstraction has 3941 states and 4855 transitions. [2020-10-25 20:28:22,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 4855 transitions. [2020-10-25 20:28:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-10-25 20:28:22,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:22,430 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:22,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 20:28:22,649 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:22,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:22,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1824197378, now seen corresponding path program 1 times [2020-10-25 20:28:22,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:22,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008213067] [2020-10-25 20:28:22,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:28:22,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008213067] [2020-10-25 20:28:22,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:22,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:22,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822943924] [2020-10-25 20:28:22,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:28:22,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:22,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:28:22,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:28:22,957 INFO L87 Difference]: Start difference. First operand 3941 states and 4855 transitions. Second operand 4 states. [2020-10-25 20:28:25,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:25,391 INFO L93 Difference]: Finished difference Result 12154 states and 15362 transitions. [2020-10-25 20:28:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:28:25,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 257 [2020-10-25 20:28:25,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:25,444 INFO L225 Difference]: With dead ends: 12154 [2020-10-25 20:28:25,445 INFO L226 Difference]: Without dead ends: 8399 [2020-10-25 20:28:25,452 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 [2020-10-25 20:28:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8399 states. [2020-10-25 20:28:25,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8399 to 8395. [2020-10-25 20:28:25,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8395 states. [2020-10-25 20:28:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8395 states to 8395 states and 10448 transitions. [2020-10-25 20:28:25,671 INFO L78 Accepts]: Start accepts. Automaton has 8395 states and 10448 transitions. Word has length 257 [2020-10-25 20:28:25,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:25,672 INFO L481 AbstractCegarLoop]: Abstraction has 8395 states and 10448 transitions. [2020-10-25 20:28:25,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:28:25,673 INFO L276 IsEmpty]: Start isEmpty. Operand 8395 states and 10448 transitions. [2020-10-25 20:28:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-10-25 20:28:25,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:25,681 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:25,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:28:25,681 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:25,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:25,682 INFO L82 PathProgramCache]: Analyzing trace with hash 964848590, now seen corresponding path program 1 times [2020-10-25 20:28:25,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:25,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760955671] [2020-10-25 20:28:25,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-25 20:28:26,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760955671] [2020-10-25 20:28:26,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:26,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:26,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454847161] [2020-10-25 20:28:26,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:26,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:26,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:26,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:26,010 INFO L87 Difference]: Start difference. First operand 8395 states and 10448 transitions. Second operand 3 states. [2020-10-25 20:28:27,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:27,478 INFO L93 Difference]: Finished difference Result 17334 states and 21902 transitions. [2020-10-25 20:28:27,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:27,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-10-25 20:28:27,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:27,529 INFO L225 Difference]: With dead ends: 17334 [2020-10-25 20:28:27,530 INFO L226 Difference]: Without dead ends: 10235 [2020-10-25 20:28:27,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:27,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10235 states. [2020-10-25 20:28:27,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10235 to 10235. [2020-10-25 20:28:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10235 states. [2020-10-25 20:28:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10235 states to 10235 states and 12491 transitions. [2020-10-25 20:28:27,742 INFO L78 Accepts]: Start accepts. Automaton has 10235 states and 12491 transitions. Word has length 266 [2020-10-25 20:28:27,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:27,743 INFO L481 AbstractCegarLoop]: Abstraction has 10235 states and 12491 transitions. [2020-10-25 20:28:27,743 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 10235 states and 12491 transitions. [2020-10-25 20:28:27,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-25 20:28:27,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:27,750 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:27,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:28:27,750 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:27,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:27,751 INFO L82 PathProgramCache]: Analyzing trace with hash -161774081, now seen corresponding path program 1 times [2020-10-25 20:28:27,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:27,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310954495] [2020-10-25 20:28:27,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:28,104 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-25 20:28:28,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310954495] [2020-10-25 20:28:28,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586213423] [2020-10-25 20:28:28,106 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 [2020-10-25 20:28:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:28,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-25 20:28:28,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:28:28,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:28:28,306 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:28:28,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:28:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-10-25 20:28:28,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 20:28:28,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-25 20:28:28,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802136467] [2020-10-25 20:28:28,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:28:28,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:28,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:28:28,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:28:28,535 INFO L87 Difference]: Start difference. First operand 10235 states and 12491 transitions. Second operand 4 states. [2020-10-25 20:28:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:30,826 INFO L93 Difference]: Finished difference Result 21019 states and 25838 transitions. [2020-10-25 20:28:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:28:30,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2020-10-25 20:28:30,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:30,865 INFO L225 Difference]: With dead ends: 21019 [2020-10-25 20:28:30,865 INFO L226 Difference]: Without dead ends: 12080 [2020-10-25 20:28:30,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:28:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12080 states. [2020-10-25 20:28:31,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12080 to 10419. [2020-10-25 20:28:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10419 states. [2020-10-25 20:28:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10419 states to 10419 states and 12699 transitions. [2020-10-25 20:28:31,124 INFO L78 Accepts]: Start accepts. Automaton has 10419 states and 12699 transitions. Word has length 268 [2020-10-25 20:28:31,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:31,125 INFO L481 AbstractCegarLoop]: Abstraction has 10419 states and 12699 transitions. [2020-10-25 20:28:31,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:28:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 10419 states and 12699 transitions. [2020-10-25 20:28:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-25 20:28:31,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:31,136 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:31,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:28:31,351 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:31,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:31,352 INFO L82 PathProgramCache]: Analyzing trace with hash 992092915, now seen corresponding path program 1 times [2020-10-25 20:28:31,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:31,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116387886] [2020-10-25 20:28:31,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 122 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:28:31,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116387886] [2020-10-25 20:28:31,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239138286] [2020-10-25 20:28:31,872 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 [2020-10-25 20:28:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:32,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:28:32,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:28:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-25 20:28:32,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:28:32,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:28:32,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318641411] [2020-10-25 20:28:32,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:32,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:32,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:32,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:32,149 INFO L87 Difference]: Start difference. First operand 10419 states and 12699 transitions. Second operand 3 states. [2020-10-25 20:28:33,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:33,999 INFO L93 Difference]: Finished difference Result 26539 states and 32647 transitions. [2020-10-25 20:28:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:34,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-10-25 20:28:34,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:34,046 INFO L225 Difference]: With dead ends: 26539 [2020-10-25 20:28:34,046 INFO L226 Difference]: Without dead ends: 16860 [2020-10-25 20:28:34,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:28:34,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16860 states. [2020-10-25 20:28:34,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16860 to 16860. [2020-10-25 20:28:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16860 states. [2020-10-25 20:28:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16860 states to 16860 states and 20167 transitions. [2020-10-25 20:28:34,376 INFO L78 Accepts]: Start accepts. Automaton has 16860 states and 20167 transitions. Word has length 292 [2020-10-25 20:28:34,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:34,376 INFO L481 AbstractCegarLoop]: Abstraction has 16860 states and 20167 transitions. [2020-10-25 20:28:34,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 16860 states and 20167 transitions. [2020-10-25 20:28:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-10-25 20:28:34,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:34,389 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:28:34,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 20:28:34,604 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:34,605 INFO L82 PathProgramCache]: Analyzing trace with hash 2047708811, now seen corresponding path program 1 times [2020-10-25 20:28:34,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:34,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94477344] [2020-10-25 20:28:34,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-25 20:28:34,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94477344] [2020-10-25 20:28:34,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:34,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:34,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812744424] [2020-10-25 20:28:34,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:34,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:34,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:34,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:34,923 INFO L87 Difference]: Start difference. First operand 16860 states and 20167 transitions. Second operand 3 states. [2020-10-25 20:28:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:36,295 INFO L93 Difference]: Finished difference Result 30919 states and 36927 transitions. [2020-10-25 20:28:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:36,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-10-25 20:28:36,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:36,331 INFO L225 Difference]: With dead ends: 30919 [2020-10-25 20:28:36,331 INFO L226 Difference]: Without dead ends: 14982 [2020-10-25 20:28:36,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14982 states. [2020-10-25 20:28:36,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14982 to 14610. [2020-10-25 20:28:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14610 states. [2020-10-25 20:28:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14610 states to 14610 states and 16882 transitions. [2020-10-25 20:28:36,673 INFO L78 Accepts]: Start accepts. Automaton has 14610 states and 16882 transitions. Word has length 311 [2020-10-25 20:28:36,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:36,674 INFO L481 AbstractCegarLoop]: Abstraction has 14610 states and 16882 transitions. [2020-10-25 20:28:36,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 14610 states and 16882 transitions. [2020-10-25 20:28:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-10-25 20:28:36,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:28:36,690 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:28:36,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:28:36,690 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:28:36,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:28:36,691 INFO L82 PathProgramCache]: Analyzing trace with hash 48910046, now seen corresponding path program 1 times [2020-10-25 20:28:36,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:28:36,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586878436] [2020-10-25 20:28:36,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:28:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:28:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-10-25 20:28:36,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586878436] [2020-10-25 20:28:36,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:28:36,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:28:36,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921979517] [2020-10-25 20:28:36,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:28:36,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:28:36,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:28:36,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:36,911 INFO L87 Difference]: Start difference. First operand 14610 states and 16882 transitions. Second operand 3 states. [2020-10-25 20:28:38,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:28:38,426 INFO L93 Difference]: Finished difference Result 30146 states and 34948 transitions. [2020-10-25 20:28:38,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:28:38,428 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-10-25 20:28:38,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:28:38,428 INFO L225 Difference]: With dead ends: 30146 [2020-10-25 20:28:38,429 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:28:38,442 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:28:38,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:28:38,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:28:38,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:28:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:28:38,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2020-10-25 20:28:38,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:28:38,443 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:28:38,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:28:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:28:38,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:28:38,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 20:28:38,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:28:38,830 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-25 20:28:39,071 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-25 20:28:39,076 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,076 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,076 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,076 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse1 (= ~a25~0 12)) (.cse2 (<= 165 ~a23~0)) (.cse5 (= ~a25~0 11)) (.cse3 (< 140 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse7 (<= ~a25~0 10)) (.cse0 (= ~a4~0 0)) (.cse6 (<= ~a29~0 245))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse0 (<= ~a23~0 312)) (and .cse2 (<= ~a29~0 130) .cse4) (and .cse1 .cse4) (and .cse2 .cse5 .cse4) (and .cse3 .cse6 .cse4) (and .cse7 .cse4) (and (<= 306 ~a23~0) .cse4) (and .cse5 .cse3 .cse4) (and .cse7 .cse0 .cse6))) [2020-10-25 20:28:39,076 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,076 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:28:39,077 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:28:39,077 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,077 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,077 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,081 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,082 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,082 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,082 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,082 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,082 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,084 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:28:39,084 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:28:39,084 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:28:39,084 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,084 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:28:39,085 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse1 (= ~a25~0 12)) (.cse2 (<= 165 ~a23~0)) (.cse5 (= ~a25~0 11)) (.cse3 (< 140 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse7 (<= ~a25~0 10)) (.cse0 (= ~a4~0 0)) (.cse6 (<= ~a29~0 245))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse0 (<= ~a23~0 312)) (and .cse2 (<= ~a29~0 130) .cse4) (and .cse1 .cse4) (and .cse2 .cse5 .cse4) (and .cse3 .cse6 .cse4) (and .cse7 .cse4) (and (<= 306 ~a23~0) .cse4) (and .cse5 .cse3 .cse4) (and .cse7 .cse0 .cse6))) [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:28:39,086 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:28:39,087 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:28:39,087 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:28:39,087 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:28:39,087 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:28:39,087 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,088 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:28:39,089 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,090 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,091 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,092 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:28:39,092 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:28:39,092 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:28:39,092 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:28:39,092 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:28:39,093 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,094 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:28:39,095 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:28:39,096 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,097 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,098 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,099 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,100 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,101 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,102 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,103 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,104 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,105 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,105 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:28:39,105 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:28:39,105 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:28:39,106 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,107 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:28:39,107 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,107 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:28:39,107 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,107 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:28:39,108 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,108 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,108 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,111 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,112 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:28:39,113 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,113 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,113 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:28:39,113 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:28:39,113 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:28:39,113 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:28:39,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:28:39 BoogieIcfgContainer [2020-10-25 20:28:39,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:28:39,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:28:39,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:28:39,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:28:39,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:28:09" (3/4) ... [2020-10-25 20:28:39,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:28:39,205 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:28:39,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:28:39,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:28:39,211 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:28:39,430 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:28:39,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:28:39,433 INFO L168 Benchmark]: Toolchain (without parser) took 33486.32 ms. Allocated memory was 58.7 MB in the beginning and 610.3 MB in the end (delta: 551.6 MB). Free memory was 42.7 MB in the beginning and 338.3 MB in the end (delta: -295.6 MB). Peak memory consumption was 255.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:39,434 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 24.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:28:39,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1058.93 ms. Allocated memory is still 58.7 MB. Free memory was 42.0 MB in the beginning and 27.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:39,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.53 ms. Allocated memory is still 58.7 MB. Free memory was 27.0 MB in the beginning and 24.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:39,436 INFO L168 Benchmark]: Boogie Preprocessor took 202.93 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 24.1 MB in the beginning and 46.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:39,437 INFO L168 Benchmark]: RCFGBuilder took 2512.10 ms. Allocated memory was 81.8 MB in the beginning and 142.6 MB in the end (delta: 60.8 MB). Free memory was 46.4 MB in the beginning and 103.0 MB in the end (delta: -56.6 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:39,437 INFO L168 Benchmark]: TraceAbstraction took 29239.90 ms. Allocated memory was 142.6 MB in the beginning and 610.3 MB in the end (delta: 467.7 MB). Free memory was 102.0 MB in the beginning and 365.0 MB in the end (delta: -263.0 MB). Peak memory consumption was 203.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:39,438 INFO L168 Benchmark]: Witness Printer took 269.42 ms. Allocated memory is still 610.3 MB. Free memory was 364.0 MB in the beginning and 338.3 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:28:39,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 46.1 MB. Free memory was 24.5 MB in the beginning and 24.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1058.93 ms. Allocated memory is still 58.7 MB. Free memory was 42.0 MB in the beginning and 27.0 MB in the end (delta: 15.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 175.53 ms. Allocated memory is still 58.7 MB. Free memory was 27.0 MB in the beginning and 24.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 202.93 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 24.1 MB in the beginning and 46.4 MB in the end (delta: -22.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2512.10 ms. Allocated memory was 81.8 MB in the beginning and 142.6 MB in the end (delta: 60.8 MB). Free memory was 46.4 MB in the beginning and 103.0 MB in the end (delta: -56.6 MB). Peak memory consumption was 57.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29239.90 ms. Allocated memory was 142.6 MB in the beginning and 610.3 MB in the end (delta: 467.7 MB). Free memory was 102.0 MB in the beginning and 365.0 MB in the end (delta: -263.0 MB). Peak memory consumption was 203.6 MB. Max. memory is 16.1 GB. * Witness Printer took 269.42 ms. Allocated memory is still 610.3 MB. Free memory was 364.0 MB in the beginning and 338.3 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((a4 == 0 && a25 == 12) || ((165 <= a23 && 140 < a29) && a4 == 1)) || (a4 == 0 && a23 <= 312)) || ((165 <= a23 && a29 <= 130) && a4 == 1)) || (a25 == 12 && a4 == 1)) || ((165 <= a23 && a25 == 11) && a4 == 1)) || ((140 < a29 && a29 <= 245) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (306 <= a23 && a4 == 1)) || ((a25 == 11 && 140 < a29) && a4 == 1)) || ((a25 <= 10 && a4 == 0) && a29 <= 245) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((a4 == 0 && a25 == 12) || ((165 <= a23 && 140 < a29) && a4 == 1)) || (a4 == 0 && a23 <= 312)) || ((165 <= a23 && a29 <= 130) && a4 == 1)) || (a25 == 12 && a4 == 1)) || ((165 <= a23 && a25 == 11) && a4 == 1)) || ((140 < a29 && a29 <= 245) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (306 <= a23 && a4 == 1)) || ((a25 == 11 && 140 < a29) && a4 == 1)) || ((a25 <= 10 && a4 == 0) && a29 <= 245) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2228 SDtfs, 2336 SDslu, 334 SDs, 0 SdLazy, 7469 SolverSat, 1528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 810 GetRequests, 789 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16860occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2251 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 183 NumberOfFragments, 193 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2728 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3301 NumberOfCodeBlocks, 3301 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3286 ConstructedInterpolants, 0 QuantifiedInterpolants, 2566690 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1176 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1955/2217 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...