./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label59.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_label59.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 2339cd634015f57a43df9bb5ba89705135f82683 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:31:56,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:31:56,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:31:56,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:31:56,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:31:56,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:31:56,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:31:56,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:31:56,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:31:56,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:31:56,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:31:56,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:31:56,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:31:56,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:31:56,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:31:56,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:31:56,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:31:56,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:31:56,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:31:56,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:31:56,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:31:56,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:31:56,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:31:56,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:31:56,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:31:56,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:31:56,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:31:56,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:31:56,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:31:56,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:31:56,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:31:56,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:31:56,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:31:56,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:31:56,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:31:56,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:31:56,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:31:56,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:31:56,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:31:56,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:31:56,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:31:56,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:31:56,348 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:31:56,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:31:56,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:31:56,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:31:56,354 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:31:56,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:31:56,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:31:56,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:31:56,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:31:56,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:31:56,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:31:56,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:31:56,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:31:56,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:31:56,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:31:56,359 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:31:56,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:31:56,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:31:56,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:31:56,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:31:56,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:31:56,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:31:56,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:31:56,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:31:56,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:31:56,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:31:56,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:31:56,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:31:56,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:31:56,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2339cd634015f57a43df9bb5ba89705135f82683 [2020-10-25 20:31:56,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:31:56,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:31:56,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:31:56,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:31:56,866 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:31:56,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2020-10-25 20:31:56,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5651557c2/1b559865452a415884e60cdd96b59bbb/FLAGe74a2b2cb [2020-10-25 20:31:57,779 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:31:57,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label59.c [2020-10-25 20:31:57,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5651557c2/1b559865452a415884e60cdd96b59bbb/FLAGe74a2b2cb [2020-10-25 20:31:57,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5651557c2/1b559865452a415884e60cdd96b59bbb [2020-10-25 20:31:57,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:31:58,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:31:58,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:31:58,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:31:58,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:31:58,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:31:57" (1/1) ... [2020-10-25 20:31:58,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7811dbf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58, skipping insertion in model container [2020-10-25 20:31:58,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:31:57" (1/1) ... [2020-10-25 20:31:58,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:31:58,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:31:58,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:31:58,771 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:31:58,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:31:58,970 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:31:58,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58 WrapperNode [2020-10-25 20:31:58,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:31:58,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:31:58,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:31:58,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:31:58,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:31:59,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:31:59,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:31:59,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:31:59,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (1/1) ... [2020-10-25 20:31:59,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:31:59,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:31:59,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:31:59,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:31:59,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (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 20:31:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:31:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:31:59,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:31:59,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:32:01,786 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:32:01,787 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:32:01,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:32:01 BoogieIcfgContainer [2020-10-25 20:32:01,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:32:01,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:32:01,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:32:01,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:32:01,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:31:57" (1/3) ... [2020-10-25 20:32:01,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bd62df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:32:01, skipping insertion in model container [2020-10-25 20:32:01,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:31:58" (2/3) ... [2020-10-25 20:32:01,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bd62df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:32:01, skipping insertion in model container [2020-10-25 20:32:01,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:32:01" (3/3) ... [2020-10-25 20:32:01,800 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label59.c [2020-10-25 20:32:01,813 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:32:01,819 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:32:01,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:32:01,874 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:32:01,874 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:32:01,874 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:32:01,874 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:32:01,875 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:32:01,875 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:32:01,875 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:32:01,875 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:32:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-25 20:32:01,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-25 20:32:01,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:01,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:01,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:01,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:01,916 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2020-10-25 20:32:01,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:01,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394070758] [2020-10-25 20:32:01,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:02,386 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 20:32:02,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394070758] [2020-10-25 20:32:02,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:02,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:32:02,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604873139] [2020-10-25 20:32:02,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:02,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:02,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:02,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:02,419 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-25 20:32:04,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:04,066 INFO L93 Difference]: Finished difference Result 764 states and 1353 transitions. [2020-10-25 20:32:04,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:04,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-10-25 20:32:04,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:04,088 INFO L225 Difference]: With dead ends: 764 [2020-10-25 20:32:04,089 INFO L226 Difference]: Without dead ends: 416 [2020-10-25 20:32:04,094 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 20:32:04,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-25 20:32:04,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2020-10-25 20:32:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-10-25 20:32:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2020-10-25 20:32:04,193 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 59 [2020-10-25 20:32:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:04,194 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2020-10-25 20:32:04,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:04,194 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2020-10-25 20:32:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-25 20:32:04,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:04,207 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:04,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:32:04,207 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:04,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1625886686, now seen corresponding path program 1 times [2020-10-25 20:32:04,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:04,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926440099] [2020-10-25 20:32:04,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:04,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926440099] [2020-10-25 20:32:04,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:04,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:32:04,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056907767] [2020-10-25 20:32:04,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:04,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:04,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:04,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:04,442 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand 3 states. [2020-10-25 20:32:05,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:05,616 INFO L93 Difference]: Finished difference Result 1189 states and 1922 transitions. [2020-10-25 20:32:05,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:05,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-10-25 20:32:05,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:05,624 INFO L225 Difference]: With dead ends: 1189 [2020-10-25 20:32:05,624 INFO L226 Difference]: Without dead ends: 783 [2020-10-25 20:32:05,628 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 20:32:05,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-25 20:32:05,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-10-25 20:32:05,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-10-25 20:32:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1128 transitions. [2020-10-25 20:32:05,701 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1128 transitions. Word has length 124 [2020-10-25 20:32:05,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:05,701 INFO L481 AbstractCegarLoop]: Abstraction has 783 states and 1128 transitions. [2020-10-25 20:32:05,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:05,702 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1128 transitions. [2020-10-25 20:32:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-25 20:32:05,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:05,708 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:32:05,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:32:05,708 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:05,709 INFO L82 PathProgramCache]: Analyzing trace with hash -699731386, now seen corresponding path program 1 times [2020-10-25 20:32:05,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:05,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695013922] [2020-10-25 20:32:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:05,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695013922] [2020-10-25 20:32:05,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:05,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:32:05,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923023621] [2020-10-25 20:32:05,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:05,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:05,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:05,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:05,893 INFO L87 Difference]: Start difference. First operand 783 states and 1128 transitions. Second operand 3 states. [2020-10-25 20:32:07,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:07,128 INFO L93 Difference]: Finished difference Result 1942 states and 2803 transitions. [2020-10-25 20:32:07,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:07,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-10-25 20:32:07,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:07,137 INFO L225 Difference]: With dead ends: 1942 [2020-10-25 20:32:07,137 INFO L226 Difference]: Without dead ends: 1161 [2020-10-25 20:32:07,140 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 20:32:07,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-10-25 20:32:07,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1151. [2020-10-25 20:32:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-10-25 20:32:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1538 transitions. [2020-10-25 20:32:07,174 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1538 transitions. Word has length 127 [2020-10-25 20:32:07,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:07,175 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1538 transitions. [2020-10-25 20:32:07,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1538 transitions. [2020-10-25 20:32:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-25 20:32:07,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:07,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:07,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:32:07,179 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:07,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:07,180 INFO L82 PathProgramCache]: Analyzing trace with hash -200596440, now seen corresponding path program 1 times [2020-10-25 20:32:07,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:07,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507208126] [2020-10-25 20:32:07,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:07,384 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:07,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507208126] [2020-10-25 20:32:07,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:07,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:32:07,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068276998] [2020-10-25 20:32:07,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:07,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:07,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:07,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:07,388 INFO L87 Difference]: Start difference. First operand 1151 states and 1538 transitions. Second operand 3 states. [2020-10-25 20:32:08,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:08,605 INFO L93 Difference]: Finished difference Result 2855 states and 3737 transitions. [2020-10-25 20:32:08,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:08,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-10-25 20:32:08,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:08,618 INFO L225 Difference]: With dead ends: 2855 [2020-10-25 20:32:08,619 INFO L226 Difference]: Without dead ends: 1706 [2020-10-25 20:32:08,621 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 20:32:08,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2020-10-25 20:32:08,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1703. [2020-10-25 20:32:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-10-25 20:32:08,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2115 transitions. [2020-10-25 20:32:08,679 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2115 transitions. Word has length 128 [2020-10-25 20:32:08,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:08,681 INFO L481 AbstractCegarLoop]: Abstraction has 1703 states and 2115 transitions. [2020-10-25 20:32:08,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2115 transitions. [2020-10-25 20:32:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-10-25 20:32:08,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:08,687 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:32:08,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:32:08,688 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:08,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:08,689 INFO L82 PathProgramCache]: Analyzing trace with hash -25948149, now seen corresponding path program 1 times [2020-10-25 20:32:08,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:08,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230644828] [2020-10-25 20:32:08,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:09,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230644828] [2020-10-25 20:32:09,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:09,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:09,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814348957] [2020-10-25 20:32:09,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:32:09,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:09,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:32:09,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:32:09,005 INFO L87 Difference]: Start difference. First operand 1703 states and 2115 transitions. Second operand 4 states. [2020-10-25 20:32:11,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:11,347 INFO L93 Difference]: Finished difference Result 5262 states and 6698 transitions. [2020-10-25 20:32:11,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:32:11,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 202 [2020-10-25 20:32:11,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:11,372 INFO L225 Difference]: With dead ends: 5262 [2020-10-25 20:32:11,373 INFO L226 Difference]: Without dead ends: 3745 [2020-10-25 20:32:11,376 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 20:32:11,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2020-10-25 20:32:11,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3367. [2020-10-25 20:32:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3367 states. [2020-10-25 20:32:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3367 states and 4210 transitions. [2020-10-25 20:32:11,479 INFO L78 Accepts]: Start accepts. Automaton has 3367 states and 4210 transitions. Word has length 202 [2020-10-25 20:32:11,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:11,482 INFO L481 AbstractCegarLoop]: Abstraction has 3367 states and 4210 transitions. [2020-10-25 20:32:11,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:32:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 4210 transitions. [2020-10-25 20:32:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-25 20:32:11,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:11,488 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:32:11,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:32:11,489 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:11,490 INFO L82 PathProgramCache]: Analyzing trace with hash 416577895, now seen corresponding path program 1 times [2020-10-25 20:32:11,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:11,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437576674] [2020-10-25 20:32:11,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:11,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437576674] [2020-10-25 20:32:11,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:11,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:11,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808625286] [2020-10-25 20:32:11,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:11,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:11,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:11,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:11,723 INFO L87 Difference]: Start difference. First operand 3367 states and 4210 transitions. Second operand 3 states. [2020-10-25 20:32:13,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:13,028 INFO L93 Difference]: Finished difference Result 7294 states and 9306 transitions. [2020-10-25 20:32:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:13,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2020-10-25 20:32:13,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:13,052 INFO L225 Difference]: With dead ends: 7294 [2020-10-25 20:32:13,052 INFO L226 Difference]: Without dead ends: 4297 [2020-10-25 20:32:13,058 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 20:32:13,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4297 states. [2020-10-25 20:32:13,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4297 to 4288. [2020-10-25 20:32:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4288 states. [2020-10-25 20:32:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 5293 transitions. [2020-10-25 20:32:13,171 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 5293 transitions. Word has length 239 [2020-10-25 20:32:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:13,172 INFO L481 AbstractCegarLoop]: Abstraction has 4288 states and 5293 transitions. [2020-10-25 20:32:13,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 5293 transitions. [2020-10-25 20:32:13,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-25 20:32:13,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:13,178 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-25 20:32:13,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:32:13,179 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:13,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:13,179 INFO L82 PathProgramCache]: Analyzing trace with hash 45252903, now seen corresponding path program 1 times [2020-10-25 20:32:13,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:13,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844033294] [2020-10-25 20:32:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-25 20:32:13,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844033294] [2020-10-25 20:32:13,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:13,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:13,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393136407] [2020-10-25 20:32:13,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:13,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:13,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:13,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:13,381 INFO L87 Difference]: Start difference. First operand 4288 states and 5293 transitions. Second operand 3 states. [2020-10-25 20:32:14,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:14,752 INFO L93 Difference]: Finished difference Result 11352 states and 14232 transitions. [2020-10-25 20:32:14,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:14,753 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2020-10-25 20:32:14,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:14,791 INFO L225 Difference]: With dead ends: 11352 [2020-10-25 20:32:14,791 INFO L226 Difference]: Without dead ends: 7248 [2020-10-25 20:32:14,800 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 20:32:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7248 states. [2020-10-25 20:32:14,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7248 to 6328. [2020-10-25 20:32:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6328 states. [2020-10-25 20:32:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6328 states to 6328 states and 7782 transitions. [2020-10-25 20:32:14,955 INFO L78 Accepts]: Start accepts. Automaton has 6328 states and 7782 transitions. Word has length 240 [2020-10-25 20:32:14,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:14,956 INFO L481 AbstractCegarLoop]: Abstraction has 6328 states and 7782 transitions. [2020-10-25 20:32:14,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 6328 states and 7782 transitions. [2020-10-25 20:32:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-25 20:32:14,992 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:14,992 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:14,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:32:14,992 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:14,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:14,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1175656651, now seen corresponding path program 1 times [2020-10-25 20:32:14,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:14,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099439376] [2020-10-25 20:32:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:15,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099439376] [2020-10-25 20:32:15,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:15,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:15,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611504554] [2020-10-25 20:32:15,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:32:15,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:15,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:32:15,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:32:15,320 INFO L87 Difference]: Start difference. First operand 6328 states and 7782 transitions. Second operand 4 states. [2020-10-25 20:32:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:17,657 INFO L93 Difference]: Finished difference Result 14138 states and 17500 transitions. [2020-10-25 20:32:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:32:17,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2020-10-25 20:32:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:17,703 INFO L225 Difference]: With dead ends: 14138 [2020-10-25 20:32:17,703 INFO L226 Difference]: Without dead ends: 8179 [2020-10-25 20:32:17,713 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 20:32:17,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8179 states. [2020-10-25 20:32:17,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8179 to 7802. [2020-10-25 20:32:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7802 states. [2020-10-25 20:32:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7802 states to 7802 states and 9446 transitions. [2020-10-25 20:32:17,925 INFO L78 Accepts]: Start accepts. Automaton has 7802 states and 9446 transitions. Word has length 261 [2020-10-25 20:32:17,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:17,926 INFO L481 AbstractCegarLoop]: Abstraction has 7802 states and 9446 transitions. [2020-10-25 20:32:17,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:32:17,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7802 states and 9446 transitions. [2020-10-25 20:32:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-25 20:32:17,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:17,936 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:17,937 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:32:17,937 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:17,938 INFO L82 PathProgramCache]: Analyzing trace with hash 371745958, now seen corresponding path program 1 times [2020-10-25 20:32:17,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:17,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492722430] [2020-10-25 20:32:17,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:18,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492722430] [2020-10-25 20:32:18,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585665591] [2020-10-25 20:32:18,287 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 20:32:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:18,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-25 20:32:18,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:32:18,570 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 3, 1] term [2020-10-25 20:32:18,571 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-25 20:32:18,577 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-25 20:32:18,591 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-25 20:32:18,627 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-25 20:32:18,846 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 14 [2020-10-25 20:32:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:19,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 20:32:19,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-25 20:32:19,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978082189] [2020-10-25 20:32:19,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:32:19,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:19,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:32:19,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:32:19,088 INFO L87 Difference]: Start difference. First operand 7802 states and 9446 transitions. Second operand 4 states. [2020-10-25 20:32:22,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:22,028 INFO L93 Difference]: Finished difference Result 18568 states and 22215 transitions. [2020-10-25 20:32:22,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 20:32:22,034 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 313 [2020-10-25 20:32:22,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:22,068 INFO L225 Difference]: With dead ends: 18568 [2020-10-25 20:32:22,069 INFO L226 Difference]: Without dead ends: 10584 [2020-10-25 20:32:22,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:32:22,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10584 states. [2020-10-25 20:32:22,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10584 to 8170. [2020-10-25 20:32:22,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8170 states. [2020-10-25 20:32:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 9709 transitions. [2020-10-25 20:32:22,262 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 9709 transitions. Word has length 313 [2020-10-25 20:32:22,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:22,265 INFO L481 AbstractCegarLoop]: Abstraction has 8170 states and 9709 transitions. [2020-10-25 20:32:22,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:32:22,267 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 9709 transitions. [2020-10-25 20:32:22,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-25 20:32:22,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:22,279 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:22,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-25 20:32:22,493 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:22,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:22,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1832930930, now seen corresponding path program 1 times [2020-10-25 20:32:22,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:22,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023893997] [2020-10-25 20:32:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 343 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-25 20:32:22,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023893997] [2020-10-25 20:32:22,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:22,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:22,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663498141] [2020-10-25 20:32:22,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:22,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:22,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:22,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:22,878 INFO L87 Difference]: Start difference. First operand 8170 states and 9709 transitions. Second operand 3 states. [2020-10-25 20:32:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:24,271 INFO L93 Difference]: Finished difference Result 18375 states and 21984 transitions. [2020-10-25 20:32:24,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:24,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-10-25 20:32:24,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:24,295 INFO L225 Difference]: With dead ends: 18375 [2020-10-25 20:32:24,295 INFO L226 Difference]: Without dead ends: 10575 [2020-10-25 20:32:24,307 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 20:32:24,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10575 states. [2020-10-25 20:32:24,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10575 to 10387. [2020-10-25 20:32:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10387 states. [2020-10-25 20:32:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10387 states to 10387 states and 12180 transitions. [2020-10-25 20:32:24,533 INFO L78 Accepts]: Start accepts. Automaton has 10387 states and 12180 transitions. Word has length 328 [2020-10-25 20:32:24,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:24,534 INFO L481 AbstractCegarLoop]: Abstraction has 10387 states and 12180 transitions. [2020-10-25 20:32:24,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 10387 states and 12180 transitions. [2020-10-25 20:32:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2020-10-25 20:32:24,547 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:24,548 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:24,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:32:24,549 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:24,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:24,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1788227563, now seen corresponding path program 1 times [2020-10-25 20:32:24,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:24,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331306853] [2020-10-25 20:32:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2020-10-25 20:32:24,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331306853] [2020-10-25 20:32:24,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:24,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:24,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61689329] [2020-10-25 20:32:24,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:24,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:24,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:24,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:24,844 INFO L87 Difference]: Start difference. First operand 10387 states and 12180 transitions. Second operand 3 states. [2020-10-25 20:32:26,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:26,171 INFO L93 Difference]: Finished difference Result 22246 states and 26070 transitions. [2020-10-25 20:32:26,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:26,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 338 [2020-10-25 20:32:26,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:26,198 INFO L225 Difference]: With dead ends: 22246 [2020-10-25 20:32:26,199 INFO L226 Difference]: Without dead ends: 12229 [2020-10-25 20:32:26,213 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 20:32:26,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12229 states. [2020-10-25 20:32:26,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12229 to 10016. [2020-10-25 20:32:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10016 states. [2020-10-25 20:32:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10016 states to 10016 states and 11632 transitions. [2020-10-25 20:32:26,408 INFO L78 Accepts]: Start accepts. Automaton has 10016 states and 11632 transitions. Word has length 338 [2020-10-25 20:32:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:26,409 INFO L481 AbstractCegarLoop]: Abstraction has 10016 states and 11632 transitions. [2020-10-25 20:32:26,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 10016 states and 11632 transitions. [2020-10-25 20:32:26,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-10-25 20:32:26,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:26,422 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:26,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:32:26,423 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:26,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:26,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1688999866, now seen corresponding path program 1 times [2020-10-25 20:32:26,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:26,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275049504] [2020-10-25 20:32:26,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:26,774 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-25 20:32:26,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275049504] [2020-10-25 20:32:26,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:26,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:32:26,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357906201] [2020-10-25 20:32:26,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:26,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:26,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:26,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:26,778 INFO L87 Difference]: Start difference. First operand 10016 states and 11632 transitions. Second operand 3 states. [2020-10-25 20:32:27,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:27,451 INFO L93 Difference]: Finished difference Result 19656 states and 22870 transitions. [2020-10-25 20:32:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:27,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 341 [2020-10-25 20:32:27,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:27,472 INFO L225 Difference]: With dead ends: 19656 [2020-10-25 20:32:27,473 INFO L226 Difference]: Without dead ends: 10010 [2020-10-25 20:32:27,485 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 20:32:27,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10010 states. [2020-10-25 20:32:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10010 to 10010. [2020-10-25 20:32:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10010 states. [2020-10-25 20:32:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 11619 transitions. [2020-10-25 20:32:27,750 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 11619 transitions. Word has length 341 [2020-10-25 20:32:27,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:27,751 INFO L481 AbstractCegarLoop]: Abstraction has 10010 states and 11619 transitions. [2020-10-25 20:32:27,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 11619 transitions. [2020-10-25 20:32:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-10-25 20:32:27,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:27,772 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:32:27,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 20:32:27,773 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:27,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:27,774 INFO L82 PathProgramCache]: Analyzing trace with hash -713468782, now seen corresponding path program 1 times [2020-10-25 20:32:27,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:27,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232889975] [2020-10-25 20:32:27,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:28,482 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:28,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232889975] [2020-10-25 20:32:28,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989982425] [2020-10-25 20:32:28,483 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 20:32:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:28,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-25 20:32:28,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:32:28,706 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-25 20:32:28,714 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:32:28,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:32:28,735 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:32:28,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 20:32:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 124 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:32:29,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 20:32:29,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-25 20:32:29,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718193404] [2020-10-25 20:32:29,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 20:32:29,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:29,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 20:32:29,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:32:29,170 INFO L87 Difference]: Start difference. First operand 10010 states and 11619 transitions. Second operand 7 states. [2020-10-25 20:32:32,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:32,974 INFO L93 Difference]: Finished difference Result 19701 states and 22694 transitions. [2020-10-25 20:32:32,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-25 20:32:32,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2020-10-25 20:32:32,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:32,997 INFO L225 Difference]: With dead ends: 19701 [2020-10-25 20:32:32,997 INFO L226 Difference]: Without dead ends: 10061 [2020-10-25 20:32:33,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 363 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-25 20:32:33,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10061 states. [2020-10-25 20:32:33,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10061 to 8152. [2020-10-25 20:32:33,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8152 states. [2020-10-25 20:32:33,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8152 states to 8152 states and 9272 transitions. [2020-10-25 20:32:33,166 INFO L78 Accepts]: Start accepts. Automaton has 8152 states and 9272 transitions. Word has length 365 [2020-10-25 20:32:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:33,167 INFO L481 AbstractCegarLoop]: Abstraction has 8152 states and 9272 transitions. [2020-10-25 20:32:33,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 20:32:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 8152 states and 9272 transitions. [2020-10-25 20:32:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2020-10-25 20:32:33,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:33,187 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2020-10-25 20:32:33,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-25 20:32:33,400 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:33,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:33,401 INFO L82 PathProgramCache]: Analyzing trace with hash 875235954, now seen corresponding path program 1 times [2020-10-25 20:32:33,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:33,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120497936] [2020-10-25 20:32:33,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-10-25 20:32:33,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120497936] [2020-10-25 20:32:33,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:33,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:33,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594149129] [2020-10-25 20:32:33,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:33,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:33,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:33,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:33,831 INFO L87 Difference]: Start difference. First operand 8152 states and 9272 transitions. Second operand 3 states. [2020-10-25 20:32:35,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:35,259 INFO L93 Difference]: Finished difference Result 17411 states and 19880 transitions. [2020-10-25 20:32:35,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:35,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2020-10-25 20:32:35,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:35,277 INFO L225 Difference]: With dead ends: 17411 [2020-10-25 20:32:35,277 INFO L226 Difference]: Without dead ends: 9445 [2020-10-25 20:32:35,284 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 20:32:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2020-10-25 20:32:35,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9072. [2020-10-25 20:32:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9072 states. [2020-10-25 20:32:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9072 states to 9072 states and 10272 transitions. [2020-10-25 20:32:35,428 INFO L78 Accepts]: Start accepts. Automaton has 9072 states and 10272 transitions. Word has length 381 [2020-10-25 20:32:35,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:35,429 INFO L481 AbstractCegarLoop]: Abstraction has 9072 states and 10272 transitions. [2020-10-25 20:32:35,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 9072 states and 10272 transitions. [2020-10-25 20:32:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2020-10-25 20:32:35,444 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:35,444 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:32:35,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 20:32:35,445 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:35,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:35,446 INFO L82 PathProgramCache]: Analyzing trace with hash -730563007, now seen corresponding path program 1 times [2020-10-25 20:32:35,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:35,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291408409] [2020-10-25 20:32:35,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-25 20:32:35,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291408409] [2020-10-25 20:32:35,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:35,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:35,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516755972] [2020-10-25 20:32:35,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:35,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:35,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:35,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:35,795 INFO L87 Difference]: Start difference. First operand 9072 states and 10272 transitions. Second operand 3 states. [2020-10-25 20:32:37,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:37,064 INFO L93 Difference]: Finished difference Result 17771 states and 20159 transitions. [2020-10-25 20:32:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:37,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 396 [2020-10-25 20:32:37,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:37,081 INFO L225 Difference]: With dead ends: 17771 [2020-10-25 20:32:37,081 INFO L226 Difference]: Without dead ends: 9069 [2020-10-25 20:32:37,089 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 20:32:37,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9069 states. [2020-10-25 20:32:37,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9069 to 9069. [2020-10-25 20:32:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9069 states. [2020-10-25 20:32:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9069 states to 9069 states and 10154 transitions. [2020-10-25 20:32:37,229 INFO L78 Accepts]: Start accepts. Automaton has 9069 states and 10154 transitions. Word has length 396 [2020-10-25 20:32:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:37,230 INFO L481 AbstractCegarLoop]: Abstraction has 9069 states and 10154 transitions. [2020-10-25 20:32:37,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 9069 states and 10154 transitions. [2020-10-25 20:32:37,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2020-10-25 20:32:37,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:32:37,243 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:32:37,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 20:32:37,244 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:32:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:32:37,245 INFO L82 PathProgramCache]: Analyzing trace with hash -2126634708, now seen corresponding path program 1 times [2020-10-25 20:32:37,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:32:37,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995003532] [2020-10-25 20:32:37,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:32:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:32:37,605 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-25 20:32:37,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995003532] [2020-10-25 20:32:37,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:32:37,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:32:37,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957090901] [2020-10-25 20:32:37,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:32:37,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:32:37,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:32:37,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:32:37,608 INFO L87 Difference]: Start difference. First operand 9069 states and 10154 transitions. Second operand 3 states. [2020-10-25 20:32:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:32:39,013 INFO L93 Difference]: Finished difference Result 19238 states and 21554 transitions. [2020-10-25 20:32:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:32:39,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 411 [2020-10-25 20:32:39,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:32:39,018 INFO L225 Difference]: With dead ends: 19238 [2020-10-25 20:32:39,018 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:32:39,026 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 20:32:39,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:32:39,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:32:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:32:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:32:39,026 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411 [2020-10-25 20:32:39,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:32:39,027 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:32:39,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:32:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:32:39,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:32:39,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-25 20:32:39,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:32:39,317 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 111 [2020-10-25 20:32:39,625 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 111 [2020-10-25 20:32:40,115 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-10-25 20:32:40,598 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2020-10-25 20:32:40,602 INFO L274 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,602 INFO L274 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,603 INFO L274 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,603 INFO L270 CegarLoopResult]: At program point L1027(lines 24 1028) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 266)) (.cse6 (<= ~a25~0 10)) (.cse0 (<= 10 ~a25~0)) (.cse4 (<= ~a29~0 220)) (.cse5 (<= ~a23~0 137)) (.cse7 (= ~a4~0 1)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 12)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 (<= 246 ~a29~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 (<= 260 ~a29~0) .cse1 .cse2) (and .cse6 .cse5 .cse0 .cse7) (and .cse0 .cse1 .cse7 .cse2) (and .cse6 .cse0 .cse1 .cse4 .cse2) (and .cse5 (<= ~a29~0 130) .cse8 .cse7) (and (<= 141 ~a29~0) .cse1 .cse7 .cse2) (and .cse1 .cse8 .cse2))) [2020-10-25 20:32:40,603 INFO L274 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,603 INFO L274 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:32:40,603 INFO L274 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-10-25 20:32:40,604 INFO L274 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,604 INFO L274 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,604 INFO L274 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,605 INFO L274 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,605 INFO L274 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,605 INFO L274 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,605 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-25 20:32:40,605 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-10-25 20:32:40,605 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L277 CegarLoopResult]: At program point L1030(lines 1030 1046) the Hoare annotation is: true [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,606 INFO L274 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,607 INFO L274 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,607 INFO L274 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,612 INFO L274 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,613 INFO L274 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,613 INFO L274 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,613 INFO L274 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,613 INFO L274 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,613 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-10-25 20:32:40,614 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-10-25 20:32:40,614 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-10-25 20:32:40,614 INFO L274 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,615 INFO L270 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 266)) (.cse6 (<= ~a25~0 10)) (.cse0 (<= 10 ~a25~0)) (.cse4 (<= ~a29~0 220)) (.cse5 (<= ~a23~0 137)) (.cse7 (= ~a4~0 1)) (.cse1 (= ~a8~0 15)) (.cse8 (= ~a25~0 12)) (.cse2 (= ~a3~0 1))) (or (and .cse0 .cse1 (<= 246 ~a29~0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2) (and .cse5 (<= 260 ~a29~0) .cse1 .cse2) (and .cse6 .cse5 .cse0 .cse7) (and .cse0 .cse1 .cse7 .cse2) (and .cse6 .cse0 .cse1 .cse4 .cse2) (and .cse5 (<= ~a29~0 130) .cse8 .cse7) (and (<= 141 ~a29~0) .cse1 .cse7 .cse2) (and .cse1 .cse8 .cse2))) [2020-10-25 20:32:40,615 INFO L274 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,615 INFO L274 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,615 INFO L274 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,616 INFO L274 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,616 INFO L274 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,616 INFO L274 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,616 INFO L274 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,616 INFO L274 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,616 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-10-25 20:32:40,616 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-10-25 20:32:40,617 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-10-25 20:32:40,617 INFO L274 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:32:40,617 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:32:40,617 INFO L274 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-10-25 20:32:40,617 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-25 20:32:40,617 INFO L274 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,617 INFO L274 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,618 INFO L274 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,618 INFO L274 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,618 INFO L274 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,618 INFO L274 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,618 INFO L274 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,618 INFO L274 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,618 INFO L274 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,619 INFO L274 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,619 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-10-25 20:32:40,619 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-10-25 20:32:40,619 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-10-25 20:32:40,619 INFO L274 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-10-25 20:32:40,619 INFO L274 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,620 INFO L274 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,620 INFO L274 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,620 INFO L274 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,620 INFO L274 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,620 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-25 20:32:40,620 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-10-25 20:32:40,620 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-25 20:32:40,621 INFO L274 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,621 INFO L274 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,621 INFO L274 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,621 INFO L274 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,621 INFO L274 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:32:40,621 INFO L274 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-10-25 20:32:40,621 INFO L274 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-10-25 20:32:40,622 INFO L274 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,623 INFO L274 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,623 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-10-25 20:32:40,623 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-25 20:32:40,623 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-10-25 20:32:40,623 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:32:40,623 INFO L274 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,623 INFO L274 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,624 INFO L274 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,624 INFO L274 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,624 INFO L274 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,624 INFO L274 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,624 INFO L274 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,624 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-10-25 20:32:40,624 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-10-25 20:32:40,625 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-10-25 20:32:40,625 INFO L274 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:32:40,625 INFO L274 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-10-25 20:32:40,625 INFO L274 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:32:40,625 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-10-25 20:32:40,625 INFO L274 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,625 INFO L274 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,626 INFO L274 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:32:40,626 INFO L274 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-10-25 20:32:40,626 INFO L274 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,626 INFO L274 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,626 INFO L274 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,626 INFO L274 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,626 INFO L274 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,627 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-25 20:32:40,627 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-10-25 20:32:40,627 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-10-25 20:32:40,627 INFO L274 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,627 INFO L274 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,627 INFO L274 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,627 INFO L274 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,628 INFO L274 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,628 INFO L274 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,628 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-10-25 20:32:40,628 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-10-25 20:32:40,628 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-25 20:32:40,628 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:32:40,628 INFO L274 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,629 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:32:40,629 INFO L274 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,629 INFO L274 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,629 INFO L274 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,629 INFO L274 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,629 INFO L274 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,630 INFO L274 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,630 INFO L274 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,630 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-10-25 20:32:40,630 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-25 20:32:40,630 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-10-25 20:32:40,630 INFO L274 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,630 INFO L274 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,631 INFO L274 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,631 INFO L274 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,631 INFO L274 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,631 INFO L274 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,631 INFO L274 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,631 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:32:40,631 INFO L274 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,632 INFO L274 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,632 INFO L274 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,632 INFO L274 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,632 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:32:40,632 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-10-25 20:32:40,632 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-10-25 20:32:40,632 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-10-25 20:32:40,633 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-10-25 20:32:40,633 INFO L274 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,633 INFO L274 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,633 INFO L274 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,633 INFO L274 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,633 INFO L274 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,633 INFO L274 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,634 INFO L274 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,634 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-10-25 20:32:40,634 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-10-25 20:32:40,634 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-10-25 20:32:40,634 INFO L274 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,634 INFO L274 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,634 INFO L274 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,635 INFO L274 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:32:40,635 INFO L274 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-10-25 20:32:40,635 INFO L274 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,635 INFO L274 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,635 INFO L274 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,635 INFO L274 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,636 INFO L274 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,636 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-10-25 20:32:40,636 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-10-25 20:32:40,636 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,636 INFO L274 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,637 INFO L274 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:32:40,637 INFO L274 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-10-25 20:32:40,638 INFO L274 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,638 INFO L274 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,638 INFO L274 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,638 INFO L274 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,638 INFO L274 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,638 INFO L274 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,638 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-10-25 20:32:40,639 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-10-25 20:32:40,639 INFO L274 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:32:40,639 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-10-25 20:32:40,639 INFO L274 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,639 INFO L274 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,639 INFO L274 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,640 INFO L274 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,640 INFO L274 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,640 INFO L274 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,640 INFO L274 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,640 INFO L274 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,640 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-25 20:32:40,640 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,641 INFO L274 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,642 INFO L274 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,642 INFO L274 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,642 INFO L274 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,642 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:32:40,642 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-25 20:32:40,642 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-25 20:32:40,642 INFO L274 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,643 INFO L274 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,643 INFO L274 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,643 INFO L274 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,643 INFO L274 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,643 INFO L274 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,643 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-25 20:32:40,643 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-25 20:32:40,644 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,644 INFO L274 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,644 INFO L274 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,644 INFO L274 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,644 INFO L274 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,644 INFO L274 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,644 INFO L274 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,645 INFO L274 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-10-25 20:32:40,645 INFO L274 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,645 INFO L274 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,645 INFO L274 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,645 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-25 20:32:40,645 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-25 20:32:40,646 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-25 20:32:40,646 INFO L274 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,647 INFO L274 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:32:40,648 INFO L274 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,648 INFO L274 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-10-25 20:32:40,648 INFO L274 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,648 INFO L274 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,648 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:32:40,649 INFO L274 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,649 INFO L274 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,650 INFO L274 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,652 INFO L274 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,653 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-25 20:32:40,653 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-25 20:32:40,653 INFO L274 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-10-25 20:32:40,653 INFO L274 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,653 INFO L274 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,653 INFO L274 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,654 INFO L274 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,654 INFO L274 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,654 INFO L274 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,655 INFO L274 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,655 INFO L274 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,655 INFO L274 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,655 INFO L274 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,656 INFO L274 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,657 INFO L274 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-10-25 20:32:40,657 INFO L274 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,657 INFO L274 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,657 INFO L274 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-10-25 20:32:40,657 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-25 20:32:40,657 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-10-25 20:32:40,657 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 20:32:40,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:32:40 BoogieIcfgContainer [2020-10-25 20:32:40,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:32:40,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:32:40,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:32:40,709 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:32:40,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:32:01" (3/4) ... [2020-10-25 20:32:40,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:32:40,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:32:40,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:32:40,749 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:32:40,751 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:32:40,950 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:32:40,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:32:40,951 INFO L168 Benchmark]: Toolchain (without parser) took 42958.47 ms. Allocated memory was 44.0 MB in the beginning and 794.8 MB in the end (delta: 750.8 MB). Free memory was 29.1 MB in the beginning and 557.7 MB in the end (delta: -528.7 MB). Peak memory consumption was 222.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:40,952 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 44.0 MB. Free memory is still 29.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:32:40,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.80 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.4 MB in the beginning and 27.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:40,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.13 ms. Allocated memory is still 54.5 MB. Free memory was 27.0 MB in the beginning and 18.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:40,953 INFO L168 Benchmark]: Boogie Preprocessor took 213.50 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 18.8 MB in the beginning and 29.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:40,954 INFO L168 Benchmark]: RCFGBuilder took 2428.00 ms. Allocated memory was 69.2 MB in the beginning and 161.5 MB in the end (delta: 92.3 MB). Free memory was 29.7 MB in the beginning and 82.4 MB in the end (delta: -52.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:40,954 INFO L168 Benchmark]: TraceAbstraction took 38914.12 ms. Allocated memory was 161.5 MB in the beginning and 794.8 MB in the end (delta: 633.3 MB). Free memory was 82.4 MB in the beginning and 583.2 MB in the end (delta: -500.7 MB). Peak memory consumption was 473.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:40,954 INFO L168 Benchmark]: Witness Printer took 243.70 ms. Allocated memory is still 794.8 MB. Free memory was 583.2 MB in the beginning and 557.7 MB in the end (delta: 25.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:32:40,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 44.0 MB. Free memory is still 29.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 944.80 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.4 MB in the beginning and 27.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 174.13 ms. Allocated memory is still 54.5 MB. Free memory was 27.0 MB in the beginning and 18.8 MB in the end (delta: 8.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 213.50 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 18.8 MB in the beginning and 29.7 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2428.00 ms. Allocated memory was 69.2 MB in the beginning and 161.5 MB in the end (delta: 92.3 MB). Free memory was 29.7 MB in the beginning and 82.4 MB in the end (delta: -52.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 38914.12 ms. Allocated memory was 161.5 MB in the beginning and 794.8 MB in the end (delta: 633.3 MB). Free memory was 82.4 MB in the beginning and 583.2 MB in the end (delta: -500.7 MB). Peak memory consumption was 473.1 MB. Max. memory is 16.1 GB. * Witness Printer took 243.70 ms. Allocated memory is still 794.8 MB. Free memory was 583.2 MB in the beginning and 557.7 MB in the end (delta: 25.4 MB). Peak memory consumption was 27.3 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: ((((((((((((10 <= a25 && a8 == 15) && 246 <= a29) && a3 == 1) && a23 <= 266) || (((a8 == 15 && a29 <= 220) && a3 == 1) && a23 <= 266)) || (((a23 <= 137 && 10 <= a25) && a8 == 15) && a3 == 1)) || (((a23 <= 137 && 260 <= a29) && a8 == 15) && a3 == 1)) || (((a25 <= 10 && a23 <= 137) && 10 <= a25) && a4 == 1)) || (((10 <= a25 && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a25 <= 10 && 10 <= a25) && a8 == 15) && a29 <= 220) && a3 == 1)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((141 <= a29 && a8 == 15) && a4 == 1) && a3 == 1)) || ((a8 == 15 && a25 == 12) && a3 == 1) - InvariantResult [Line: 1030]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1036]: Loop Invariant Derived loop invariant: ((((((((((((10 <= a25 && a8 == 15) && 246 <= a29) && a3 == 1) && a23 <= 266) || (((a8 == 15 && a29 <= 220) && a3 == 1) && a23 <= 266)) || (((a23 <= 137 && 10 <= a25) && a8 == 15) && a3 == 1)) || (((a23 <= 137 && 260 <= a29) && a8 == 15) && a3 == 1)) || (((a25 <= 10 && a23 <= 137) && 10 <= a25) && a4 == 1)) || (((10 <= a25 && a8 == 15) && a4 == 1) && a3 == 1)) || ((((a25 <= 10 && 10 <= a25) && a8 == 15) && a29 <= 220) && a3 == 1)) || (((a23 <= 137 && a29 <= 130) && a25 == 12) && a4 == 1)) || (((141 <= a29 && a8 == 15) && a4 == 1) && a3 == 1)) || ((a8 == 15 && a25 == 12) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.1s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2841 SDtfs, 4002 SDslu, 392 SDs, 0 SdLazy, 12131 SolverSat, 2370 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 697 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10387occurred 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: 2.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 8802 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 127 NumberOfFragments, 269 HoareAnnotationTreeSize, 3 FomulaSimplifications, 26769 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 16946 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 4931 NumberOfCodeBlocks, 4931 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4913 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617286 SizeOfPredicates, 8 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 3676/4016 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...