./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.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/loop-invgen/apache-get-tag.i.p+nlh-reducer.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 7f777bc0851fa1e32aaa7ec1f7505f1f2e0a2d51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:21:50,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:21:50,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:21:50,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:21:50,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:21:50,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:21:50,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:21:50,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:21:50,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:21:50,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:21:50,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:21:50,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:21:50,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:21:50,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:21:50,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:21:50,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:21:50,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:21:50,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:21:50,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:21:50,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:21:50,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:21:50,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:21:50,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:21:50,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:21:50,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:21:50,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:21:50,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:21:50,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:21:50,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:21:50,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:21:50,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:21:50,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:21:50,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:21:50,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:21:50,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:21:50,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:21:50,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:21:50,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:21:50,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:21:50,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:21:50,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:21:50,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:21:50,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:21:50,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:21:50,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:21:50,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:21:50,365 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:21:50,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:21:50,366 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:21:50,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:21:50,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:21:50,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:21:50,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:21:50,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:21:50,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:21:50,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:21:50,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:21:50,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:21:50,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:21:50,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:21:50,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:21:50,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:21:50,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:21:50,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:21:50,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:21:50,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:21:50,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:21:50,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:21:50,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:21:50,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:21:50,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:21:50,373 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f777bc0851fa1e32aaa7ec1f7505f1f2e0a2d51 [2020-10-25 22:21:50,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:21:50,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:21:50,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:21:50,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:21:50,886 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:21:50,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2020-10-25 22:21:50,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463fdf879/086b7394616448049c02f70dd3fad871/FLAG6a593d25b [2020-10-25 22:21:51,817 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:21:51,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2020-10-25 22:21:51,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463fdf879/086b7394616448049c02f70dd3fad871/FLAG6a593d25b [2020-10-25 22:21:52,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/463fdf879/086b7394616448049c02f70dd3fad871 [2020-10-25 22:21:52,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:21:52,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:21:52,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:21:52,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:21:52,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:21:52,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:21:52" (1/1) ... [2020-10-25 22:21:52,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d9a3309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:52, skipping insertion in model container [2020-10-25 22:21:52,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:21:52" (1/1) ... [2020-10-25 22:21:52,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:21:52,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:21:53,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:21:53,039 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:21:53,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:21:53,256 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:21:53,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53 WrapperNode [2020-10-25 22:21:53,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:21:53,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:21:53,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:21:53,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:21:53,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:21:53,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:21:53,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:21:53,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:21:53,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (1/1) ... [2020-10-25 22:21:53,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:21:53,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:21:53,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:21:53,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:21:53,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (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 22:21:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:21:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:21:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:21:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:21:55,130 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:21:55,131 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-25 22:21:55,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:55 BoogieIcfgContainer [2020-10-25 22:21:55,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:21:55,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:21:55,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:21:55,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:21:55,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:21:52" (1/3) ... [2020-10-25 22:21:55,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1dd101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:21:55, skipping insertion in model container [2020-10-25 22:21:55,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:53" (2/3) ... [2020-10-25 22:21:55,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1dd101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:21:55, skipping insertion in model container [2020-10-25 22:21:55,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:55" (3/3) ... [2020-10-25 22:21:55,151 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+nlh-reducer.c [2020-10-25 22:21:55,166 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:21:55,172 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-10-25 22:21:55,188 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-10-25 22:21:55,220 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:21:55,225 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:21:55,225 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:21:55,225 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:21:55,226 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:21:55,226 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:21:55,226 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:21:55,226 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:21:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states. [2020-10-25 22:21:55,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-25 22:21:55,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:55,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:55,277 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:55,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:55,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times [2020-10-25 22:21:55,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:55,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591293929] [2020-10-25 22:21:55,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:55,525 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 22:21:55,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591293929] [2020-10-25 22:21:55,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:55,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:21:55,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336213026] [2020-10-25 22:21:55,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:21:55,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:55,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:21:55,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:21:55,551 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 4 states. [2020-10-25 22:21:56,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:56,398 INFO L93 Difference]: Finished difference Result 331 states and 589 transitions. [2020-10-25 22:21:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 22:21:56,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-25 22:21:56,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:56,417 INFO L225 Difference]: With dead ends: 331 [2020-10-25 22:21:56,417 INFO L226 Difference]: Without dead ends: 298 [2020-10-25 22:21:56,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 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 22:21:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-25 22:21:56,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-25 22:21:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-25 22:21:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 421 transitions. [2020-10-25 22:21:56,489 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 421 transitions. Word has length 7 [2020-10-25 22:21:56,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:56,490 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 421 transitions. [2020-10-25 22:21:56,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:21:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 421 transitions. [2020-10-25 22:21:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-25 22:21:56,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:56,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:56,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:21:56,492 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:56,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:56,493 INFO L82 PathProgramCache]: Analyzing trace with hash 141330849, now seen corresponding path program 1 times [2020-10-25 22:21:56,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:56,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188570294] [2020-10-25 22:21:56,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:56,591 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 22:21:56,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188570294] [2020-10-25 22:21:56,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:56,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:21:56,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842165867] [2020-10-25 22:21:56,596 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:21:56,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:56,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:21:56,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:21:56,598 INFO L87 Difference]: Start difference. First operand 298 states and 421 transitions. Second operand 4 states. [2020-10-25 22:21:57,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:57,317 INFO L93 Difference]: Finished difference Result 298 states and 421 transitions. [2020-10-25 22:21:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 22:21:57,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-25 22:21:57,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:57,320 INFO L225 Difference]: With dead ends: 298 [2020-10-25 22:21:57,320 INFO L226 Difference]: Without dead ends: 296 [2020-10-25 22:21:57,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 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 22:21:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-25 22:21:57,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-10-25 22:21:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-25 22:21:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 419 transitions. [2020-10-25 22:21:57,340 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 419 transitions. Word has length 8 [2020-10-25 22:21:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:57,341 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 419 transitions. [2020-10-25 22:21:57,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:21:57,341 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 419 transitions. [2020-10-25 22:21:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-25 22:21:57,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:57,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:57,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:21:57,342 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:57,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:57,343 INFO L82 PathProgramCache]: Analyzing trace with hash 118403696, now seen corresponding path program 1 times [2020-10-25 22:21:57,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:57,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952278917] [2020-10-25 22:21:57,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:57,444 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 22:21:57,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952278917] [2020-10-25 22:21:57,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:57,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:21:57,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339602191] [2020-10-25 22:21:57,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:21:57,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:57,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:21:57,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:21:57,447 INFO L87 Difference]: Start difference. First operand 296 states and 419 transitions. Second operand 5 states. [2020-10-25 22:21:58,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:58,172 INFO L93 Difference]: Finished difference Result 304 states and 427 transitions. [2020-10-25 22:21:58,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:21:58,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-25 22:21:58,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:58,178 INFO L225 Difference]: With dead ends: 304 [2020-10-25 22:21:58,178 INFO L226 Difference]: Without dead ends: 296 [2020-10-25 22:21:58,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:21:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-25 22:21:58,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2020-10-25 22:21:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-10-25 22:21:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 354 transitions. [2020-10-25 22:21:58,216 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 354 transitions. Word has length 8 [2020-10-25 22:21:58,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:58,217 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 354 transitions. [2020-10-25 22:21:58,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:21:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 354 transitions. [2020-10-25 22:21:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-25 22:21:58,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:58,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:58,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 22:21:58,218 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:58,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:58,219 INFO L82 PathProgramCache]: Analyzing trace with hash 86295087, now seen corresponding path program 1 times [2020-10-25 22:21:58,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:58,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970230124] [2020-10-25 22:21:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:58,329 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 22:21:58,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970230124] [2020-10-25 22:21:58,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:58,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:21:58,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600894059] [2020-10-25 22:21:58,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:21:58,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:58,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:21:58,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:21:58,332 INFO L87 Difference]: Start difference. First operand 291 states and 354 transitions. Second operand 4 states. [2020-10-25 22:21:58,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:58,762 INFO L93 Difference]: Finished difference Result 296 states and 359 transitions. [2020-10-25 22:21:58,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:21:58,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-25 22:21:58,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:58,765 INFO L225 Difference]: With dead ends: 296 [2020-10-25 22:21:58,765 INFO L226 Difference]: Without dead ends: 294 [2020-10-25 22:21:58,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 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 22:21:58,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-10-25 22:21:58,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2020-10-25 22:21:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-25 22:21:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 357 transitions. [2020-10-25 22:21:58,778 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 357 transitions. Word has length 9 [2020-10-25 22:21:58,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:58,779 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 357 transitions. [2020-10-25 22:21:58,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:21:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2020-10-25 22:21:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 22:21:58,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:58,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:58,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 22:21:58,781 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:58,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:58,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1325389363, now seen corresponding path program 1 times [2020-10-25 22:21:58,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:58,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627535796] [2020-10-25 22:21:58,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:58,843 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 22:21:58,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627535796] [2020-10-25 22:21:58,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:58,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:21:58,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23896695] [2020-10-25 22:21:58,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:21:58,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:58,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:21:58,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:21:58,846 INFO L87 Difference]: Start difference. First operand 294 states and 357 transitions. Second operand 5 states. [2020-10-25 22:21:59,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:59,432 INFO L93 Difference]: Finished difference Result 294 states and 357 transitions. [2020-10-25 22:21:59,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:21:59,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-25 22:21:59,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:59,436 INFO L225 Difference]: With dead ends: 294 [2020-10-25 22:21:59,436 INFO L226 Difference]: Without dead ends: 292 [2020-10-25 22:21:59,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:21:59,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-25 22:21:59,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-10-25 22:21:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-10-25 22:21:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2020-10-25 22:21:59,451 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 11 [2020-10-25 22:21:59,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:59,452 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2020-10-25 22:21:59,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:21:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2020-10-25 22:21:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 22:21:59,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:59,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:59,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 22:21:59,462 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:59,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:59,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1862596621, now seen corresponding path program 1 times [2020-10-25 22:21:59,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:59,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413266873] [2020-10-25 22:21:59,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:59,556 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 22:21:59,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413266873] [2020-10-25 22:21:59,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:59,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:21:59,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681251820] [2020-10-25 22:21:59,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:21:59,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:59,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:21:59,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:21:59,559 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand 4 states. [2020-10-25 22:21:59,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:59,905 INFO L93 Difference]: Finished difference Result 292 states and 355 transitions. [2020-10-25 22:21:59,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 22:21:59,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-25 22:21:59,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:59,908 INFO L225 Difference]: With dead ends: 292 [2020-10-25 22:21:59,909 INFO L226 Difference]: Without dead ends: 288 [2020-10-25 22:21:59,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 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 22:21:59,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-25 22:21:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-10-25 22:21:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-25 22:21:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 351 transitions. [2020-10-25 22:21:59,923 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 351 transitions. Word has length 12 [2020-10-25 22:21:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:59,927 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 351 transitions. [2020-10-25 22:21:59,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:21:59,928 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 351 transitions. [2020-10-25 22:21:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:21:59,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:59,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:59,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 22:21:59,930 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:21:59,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:59,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1887018870, now seen corresponding path program 1 times [2020-10-25 22:21:59,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:59,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054064670] [2020-10-25 22:21:59,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:00,034 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 22:22:00,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054064670] [2020-10-25 22:22:00,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:00,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:22:00,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32593605] [2020-10-25 22:22:00,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:22:00,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:00,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:22:00,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:22:00,038 INFO L87 Difference]: Start difference. First operand 288 states and 351 transitions. Second operand 5 states. [2020-10-25 22:22:00,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:00,661 INFO L93 Difference]: Finished difference Result 305 states and 370 transitions. [2020-10-25 22:22:00,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:22:00,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-25 22:22:00,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:00,664 INFO L225 Difference]: With dead ends: 305 [2020-10-25 22:22:00,664 INFO L226 Difference]: Without dead ends: 303 [2020-10-25 22:22:00,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-25 22:22:00,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 286. [2020-10-25 22:22:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-25 22:22:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2020-10-25 22:22:00,683 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 13 [2020-10-25 22:22:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:00,683 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2020-10-25 22:22:00,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:22:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2020-10-25 22:22:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:22:00,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:00,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:00,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 22:22:00,685 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:00,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:00,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1884925558, now seen corresponding path program 1 times [2020-10-25 22:22:00,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:00,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237052283] [2020-10-25 22:22:00,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:00,727 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 22:22:00,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237052283] [2020-10-25 22:22:00,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:00,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:22:00,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329051869] [2020-10-25 22:22:00,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:22:00,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:00,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:22:00,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:22:00,730 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand 5 states. [2020-10-25 22:22:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:01,394 INFO L93 Difference]: Finished difference Result 286 states and 349 transitions. [2020-10-25 22:22:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:22:01,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-25 22:22:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:01,397 INFO L225 Difference]: With dead ends: 286 [2020-10-25 22:22:01,397 INFO L226 Difference]: Without dead ends: 284 [2020-10-25 22:22:01,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-25 22:22:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2020-10-25 22:22:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-25 22:22:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2020-10-25 22:22:01,406 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2020-10-25 22:22:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:01,407 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2020-10-25 22:22:01,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:22:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2020-10-25 22:22:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:22:01,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:01,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:01,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 22:22:01,410 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:01,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:01,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1363999043, now seen corresponding path program 1 times [2020-10-25 22:22:01,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:01,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72514292] [2020-10-25 22:22:01,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:01,539 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 22:22:01,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72514292] [2020-10-25 22:22:01,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:01,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:01,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338526102] [2020-10-25 22:22:01,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:01,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:01,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:01,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:01,541 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand 6 states. [2020-10-25 22:22:02,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:02,075 INFO L93 Difference]: Finished difference Result 308 states and 373 transitions. [2020-10-25 22:22:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 22:22:02,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-25 22:22:02,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:02,077 INFO L225 Difference]: With dead ends: 308 [2020-10-25 22:22:02,077 INFO L226 Difference]: Without dead ends: 306 [2020-10-25 22:22:02,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:22:02,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-10-25 22:22:02,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 284. [2020-10-25 22:22:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-25 22:22:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2020-10-25 22:22:02,087 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 13 [2020-10-25 22:22:02,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:02,088 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2020-10-25 22:22:02,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2020-10-25 22:22:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 22:22:02,093 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:02,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:02,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 22:22:02,098 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:02,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:02,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1633873881, now seen corresponding path program 1 times [2020-10-25 22:22:02,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:02,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606706569] [2020-10-25 22:22:02,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:02,151 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 22:22:02,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606706569] [2020-10-25 22:22:02,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:02,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:22:02,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285724395] [2020-10-25 22:22:02,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:22:02,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:02,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:22:02,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:22:02,154 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand 5 states. [2020-10-25 22:22:02,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:02,813 INFO L93 Difference]: Finished difference Result 307 states and 372 transitions. [2020-10-25 22:22:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:22:02,814 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-25 22:22:02,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:02,816 INFO L225 Difference]: With dead ends: 307 [2020-10-25 22:22:02,816 INFO L226 Difference]: Without dead ends: 305 [2020-10-25 22:22:02,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:02,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-25 22:22:02,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 282. [2020-10-25 22:22:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-25 22:22:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 345 transitions. [2020-10-25 22:22:02,824 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 345 transitions. Word has length 14 [2020-10-25 22:22:02,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:02,825 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 345 transitions. [2020-10-25 22:22:02,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:22:02,825 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 345 transitions. [2020-10-25 22:22:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 22:22:02,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:02,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:02,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 22:22:02,826 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:02,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1631963286, now seen corresponding path program 1 times [2020-10-25 22:22:02,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:02,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443194434] [2020-10-25 22:22:02,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:02,923 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 22:22:02,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443194434] [2020-10-25 22:22:02,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:02,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:02,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115796698] [2020-10-25 22:22:02,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:02,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:02,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:02,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:02,926 INFO L87 Difference]: Start difference. First operand 282 states and 345 transitions. Second operand 6 states. [2020-10-25 22:22:03,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:03,475 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2020-10-25 22:22:03,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 22:22:03,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-25 22:22:03,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:03,478 INFO L225 Difference]: With dead ends: 316 [2020-10-25 22:22:03,478 INFO L226 Difference]: Without dead ends: 314 [2020-10-25 22:22:03,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 22:22:03,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-10-25 22:22:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 290. [2020-10-25 22:22:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-10-25 22:22:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 355 transitions. [2020-10-25 22:22:03,493 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 355 transitions. Word has length 14 [2020-10-25 22:22:03,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:03,493 INFO L481 AbstractCegarLoop]: Abstraction has 290 states and 355 transitions. [2020-10-25 22:22:03,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:03,494 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 355 transitions. [2020-10-25 22:22:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 22:22:03,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:03,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:03,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 22:22:03,497 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:03,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:03,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1696856026, now seen corresponding path program 1 times [2020-10-25 22:22:03,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:03,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917813331] [2020-10-25 22:22:03,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:03,632 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 22:22:03,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917813331] [2020-10-25 22:22:03,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:03,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:03,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121361643] [2020-10-25 22:22:03,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:03,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:03,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:03,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:03,634 INFO L87 Difference]: Start difference. First operand 290 states and 355 transitions. Second operand 6 states. [2020-10-25 22:22:04,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:04,207 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2020-10-25 22:22:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:22:04,208 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-10-25 22:22:04,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:04,209 INFO L225 Difference]: With dead ends: 300 [2020-10-25 22:22:04,210 INFO L226 Difference]: Without dead ends: 296 [2020-10-25 22:22:04,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 22:22:04,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-25 22:22:04,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 291. [2020-10-25 22:22:04,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2020-10-25 22:22:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 356 transitions. [2020-10-25 22:22:04,218 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 356 transitions. Word has length 14 [2020-10-25 22:22:04,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:04,220 INFO L481 AbstractCegarLoop]: Abstraction has 291 states and 356 transitions. [2020-10-25 22:22:04,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 356 transitions. [2020-10-25 22:22:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 22:22:04,221 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:04,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:04,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 22:22:04,222 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:04,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:04,223 INFO L82 PathProgramCache]: Analyzing trace with hash -889511086, now seen corresponding path program 1 times [2020-10-25 22:22:04,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:04,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134196151] [2020-10-25 22:22:04,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:04,342 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 22:22:04,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134196151] [2020-10-25 22:22:04,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:04,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:04,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454791661] [2020-10-25 22:22:04,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:04,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:04,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:04,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:04,345 INFO L87 Difference]: Start difference. First operand 291 states and 356 transitions. Second operand 6 states. [2020-10-25 22:22:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:04,942 INFO L93 Difference]: Finished difference Result 317 states and 384 transitions. [2020-10-25 22:22:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 22:22:04,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-25 22:22:04,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:04,945 INFO L225 Difference]: With dead ends: 317 [2020-10-25 22:22:04,945 INFO L226 Difference]: Without dead ends: 315 [2020-10-25 22:22:04,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 22:22:04,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-25 22:22:04,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 294. [2020-10-25 22:22:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2020-10-25 22:22:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 359 transitions. [2020-10-25 22:22:04,954 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 359 transitions. Word has length 15 [2020-10-25 22:22:04,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:04,955 INFO L481 AbstractCegarLoop]: Abstraction has 294 states and 359 transitions. [2020-10-25 22:22:04,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 359 transitions. [2020-10-25 22:22:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-25 22:22:04,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:04,957 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:04,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 22:22:04,958 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:04,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:04,958 INFO L82 PathProgramCache]: Analyzing trace with hash 653844729, now seen corresponding path program 1 times [2020-10-25 22:22:04,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:04,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851259802] [2020-10-25 22:22:04,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:05,009 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 22:22:05,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851259802] [2020-10-25 22:22:05,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:05,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:22:05,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238595168] [2020-10-25 22:22:05,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:22:05,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:05,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:22:05,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:22:05,011 INFO L87 Difference]: Start difference. First operand 294 states and 359 transitions. Second operand 4 states. [2020-10-25 22:22:05,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:05,242 INFO L93 Difference]: Finished difference Result 294 states and 359 transitions. [2020-10-25 22:22:05,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 22:22:05,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-25 22:22:05,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:05,249 INFO L225 Difference]: With dead ends: 294 [2020-10-25 22:22:05,250 INFO L226 Difference]: Without dead ends: 292 [2020-10-25 22:22:05,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 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 22:22:05,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-10-25 22:22:05,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2020-10-25 22:22:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-10-25 22:22:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 357 transitions. [2020-10-25 22:22:05,260 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 357 transitions. Word has length 16 [2020-10-25 22:22:05,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:05,261 INFO L481 AbstractCegarLoop]: Abstraction has 292 states and 357 transitions. [2020-10-25 22:22:05,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:22:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 357 transitions. [2020-10-25 22:22:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 22:22:05,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:05,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:05,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 22:22:05,262 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:05,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:05,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1205643748, now seen corresponding path program 1 times [2020-10-25 22:22:05,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:05,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378915224] [2020-10-25 22:22:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:05,313 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 22:22:05,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378915224] [2020-10-25 22:22:05,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:05,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:22:05,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114607913] [2020-10-25 22:22:05,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:22:05,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:05,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:22:05,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:22:05,324 INFO L87 Difference]: Start difference. First operand 292 states and 357 transitions. Second operand 4 states. [2020-10-25 22:22:05,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:05,651 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2020-10-25 22:22:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 22:22:05,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-25 22:22:05,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:05,654 INFO L225 Difference]: With dead ends: 292 [2020-10-25 22:22:05,654 INFO L226 Difference]: Without dead ends: 288 [2020-10-25 22:22:05,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 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 22:22:05,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-25 22:22:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-10-25 22:22:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-25 22:22:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 353 transitions. [2020-10-25 22:22:05,662 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 353 transitions. Word has length 17 [2020-10-25 22:22:05,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:05,662 INFO L481 AbstractCegarLoop]: Abstraction has 288 states and 353 transitions. [2020-10-25 22:22:05,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:22:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 353 transitions. [2020-10-25 22:22:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 22:22:05,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:05,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:05,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 22:22:05,664 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:05,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:05,664 INFO L82 PathProgramCache]: Analyzing trace with hash -947481395, now seen corresponding path program 1 times [2020-10-25 22:22:05,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:05,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749496383] [2020-10-25 22:22:05,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:05,713 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 22:22:05,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749496383] [2020-10-25 22:22:05,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:05,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:05,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698920794] [2020-10-25 22:22:05,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:05,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:05,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:05,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:05,715 INFO L87 Difference]: Start difference. First operand 288 states and 353 transitions. Second operand 6 states. [2020-10-25 22:22:06,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:06,393 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2020-10-25 22:22:06,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:22:06,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2020-10-25 22:22:06,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:06,396 INFO L225 Difference]: With dead ends: 288 [2020-10-25 22:22:06,396 INFO L226 Difference]: Without dead ends: 286 [2020-10-25 22:22:06,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 22:22:06,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-25 22:22:06,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-10-25 22:22:06,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-25 22:22:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 348 transitions. [2020-10-25 22:22:06,407 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 348 transitions. Word has length 17 [2020-10-25 22:22:06,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:06,408 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 348 transitions. [2020-10-25 22:22:06,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 348 transitions. [2020-10-25 22:22:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 22:22:06,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:06,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:06,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-25 22:22:06,410 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:06,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:06,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1298626230, now seen corresponding path program 1 times [2020-10-25 22:22:06,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:06,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954427295] [2020-10-25 22:22:06,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:06,494 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 22:22:06,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954427295] [2020-10-25 22:22:06,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:06,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:06,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054108257] [2020-10-25 22:22:06,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:06,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:06,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:06,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:06,496 INFO L87 Difference]: Start difference. First operand 283 states and 348 transitions. Second operand 6 states. [2020-10-25 22:22:07,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:07,219 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2020-10-25 22:22:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:22:07,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-10-25 22:22:07,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:07,222 INFO L225 Difference]: With dead ends: 298 [2020-10-25 22:22:07,222 INFO L226 Difference]: Without dead ends: 296 [2020-10-25 22:22:07,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 22:22:07,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-25 22:22:07,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 278. [2020-10-25 22:22:07,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-10-25 22:22:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 343 transitions. [2020-10-25 22:22:07,231 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 343 transitions. Word has length 18 [2020-10-25 22:22:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:07,231 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 343 transitions. [2020-10-25 22:22:07,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 343 transitions. [2020-10-25 22:22:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 22:22:07,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:07,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:07,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-25 22:22:07,232 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:07,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1791548930, now seen corresponding path program 1 times [2020-10-25 22:22:07,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:07,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771327681] [2020-10-25 22:22:07,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:07,296 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 22:22:07,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771327681] [2020-10-25 22:22:07,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:07,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:07,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991292509] [2020-10-25 22:22:07,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:07,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:07,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:07,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:07,298 INFO L87 Difference]: Start difference. First operand 278 states and 343 transitions. Second operand 6 states. [2020-10-25 22:22:07,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:07,965 INFO L93 Difference]: Finished difference Result 290 states and 357 transitions. [2020-10-25 22:22:07,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:22:07,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-10-25 22:22:07,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:07,968 INFO L225 Difference]: With dead ends: 290 [2020-10-25 22:22:07,968 INFO L226 Difference]: Without dead ends: 288 [2020-10-25 22:22:07,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 22:22:07,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-25 22:22:07,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 273. [2020-10-25 22:22:07,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-25 22:22:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 337 transitions. [2020-10-25 22:22:07,977 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 337 transitions. Word has length 18 [2020-10-25 22:22:07,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:07,977 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 337 transitions. [2020-10-25 22:22:07,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:07,978 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 337 transitions. [2020-10-25 22:22:07,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 22:22:07,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:07,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:22:07,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-25 22:22:07,979 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:07,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:07,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1856441670, now seen corresponding path program 1 times [2020-10-25 22:22:07,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:07,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525793430] [2020-10-25 22:22:07,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:08,070 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 22:22:08,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525793430] [2020-10-25 22:22:08,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:08,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 22:22:08,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089697472] [2020-10-25 22:22:08,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:22:08,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:08,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:22:08,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:22:08,073 INFO L87 Difference]: Start difference. First operand 273 states and 337 transitions. Second operand 6 states. [2020-10-25 22:22:08,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:08,748 INFO L93 Difference]: Finished difference Result 273 states and 337 transitions. [2020-10-25 22:22:08,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:22:08,749 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2020-10-25 22:22:08,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:08,751 INFO L225 Difference]: With dead ends: 273 [2020-10-25 22:22:08,751 INFO L226 Difference]: Without dead ends: 250 [2020-10-25 22:22:08,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:22:08,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-10-25 22:22:08,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2020-10-25 22:22:08,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-25 22:22:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 250 transitions. [2020-10-25 22:22:08,757 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 250 transitions. Word has length 18 [2020-10-25 22:22:08,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:08,757 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 250 transitions. [2020-10-25 22:22:08,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:22:08,757 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 250 transitions. [2020-10-25 22:22:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-25 22:22:08,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:08,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:08,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-25 22:22:08,763 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:08,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:08,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1979399377, now seen corresponding path program 1 times [2020-10-25 22:22:08,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:08,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914377196] [2020-10-25 22:22:08,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:11,300 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 22:22:11,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914377196] [2020-10-25 22:22:11,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:11,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2020-10-25 22:22:11,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692366460] [2020-10-25 22:22:11,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 63 states [2020-10-25 22:22:11,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:11,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2020-10-25 22:22:11,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1834, Invalid=2072, Unknown=0, NotChecked=0, Total=3906 [2020-10-25 22:22:11,305 INFO L87 Difference]: Start difference. First operand 250 states and 250 transitions. Second operand 63 states. [2020-10-25 22:22:12,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:12,828 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2020-10-25 22:22:12,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-25 22:22:12,829 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 244 [2020-10-25 22:22:12,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:12,831 INFO L225 Difference]: With dead ends: 251 [2020-10-25 22:22:12,832 INFO L226 Difference]: Without dead ends: 249 [2020-10-25 22:22:12,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1896, Invalid=2136, Unknown=0, NotChecked=0, Total=4032 [2020-10-25 22:22:12,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-25 22:22:12,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 248. [2020-10-25 22:22:12,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-10-25 22:22:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 248 transitions. [2020-10-25 22:22:12,839 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 248 transitions. Word has length 244 [2020-10-25 22:22:12,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:12,839 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 248 transitions. [2020-10-25 22:22:12,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 63 states. [2020-10-25 22:22:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 248 transitions. [2020-10-25 22:22:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-25 22:22:12,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:22:12,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:12,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-25 22:22:12,843 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:22:12,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:22:12,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1231831159, now seen corresponding path program 1 times [2020-10-25 22:22:12,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:22:12,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946875038] [2020-10-25 22:22:12,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:22:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:22:13,839 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 22:22:13,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946875038] [2020-10-25 22:22:13,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:22:13,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 22:22:13,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133833156] [2020-10-25 22:22:13,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 22:22:13,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:22:13,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 22:22:13,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 22:22:13,844 INFO L87 Difference]: Start difference. First operand 248 states and 248 transitions. Second operand 7 states. [2020-10-25 22:22:14,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:22:14,380 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2020-10-25 22:22:14,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 22:22:14,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-10-25 22:22:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:22:14,382 INFO L225 Difference]: With dead ends: 250 [2020-10-25 22:22:14,382 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:22:14,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-25 22:22:14,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:22:14,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:22:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:22:14,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:22:14,384 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2020-10-25 22:22:14,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:22:14,385 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:22:14,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 22:22:14,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:22:14,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:22:14,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-25 22:22:14,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:22:14,694 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2020-10-25 22:22:14,750 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,750 INFO L274 CegarLoopResult]: For program point L1555(lines 1555 2805) no Hoare annotation was computed. [2020-10-25 22:22:14,750 INFO L274 CegarLoopResult]: For program point L2546(lines 2546 2653) no Hoare annotation was computed. [2020-10-25 22:22:14,750 INFO L274 CegarLoopResult]: For program point L2480(lines 2480 2663) no Hoare annotation was computed. [2020-10-25 22:22:14,750 INFO L274 CegarLoopResult]: For program point L432(lines 432 2978) no Hoare annotation was computed. [2020-10-25 22:22:14,750 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L697(lines 697 2937) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L1688(lines 1688 2785) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L1622(lines 1622 2795) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L103(lines 103 125) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L1953(lines 1953 2744) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L830(lines 830 2917) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L764(lines 764 2927) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L2614(lines 2614 2643) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L2218(lines 2218 2703) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L1095(lines 1095 2876) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 2835) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L2351(lines 2351 2683) no Hoare annotation was computed. [2020-10-25 22:22:14,751 INFO L274 CegarLoopResult]: For program point L2285(lines 2285 2693) no Hoare annotation was computed. [2020-10-25 22:22:14,752 INFO L274 CegarLoopResult]: For program point L171(lines 171 193) no Hoare annotation was computed. [2020-10-25 22:22:14,752 INFO L274 CegarLoopResult]: For program point L502(lines 502 2967) no Hoare annotation was computed. [2020-10-25 22:22:14,752 INFO L274 CegarLoopResult]: For program point L1493(lines 1493 2815) no Hoare annotation was computed. [2020-10-25 22:22:14,752 INFO L274 CegarLoopResult]: For program point L1427(lines 1427 2825) no Hoare annotation was computed. [2020-10-25 22:22:14,752 INFO L274 CegarLoopResult]: For program point L1758(lines 1758 2774) no Hoare annotation was computed. [2020-10-25 22:22:14,753 INFO L274 CegarLoopResult]: For program point L635(lines 635 2947) no Hoare annotation was computed. [2020-10-25 22:22:14,753 INFO L274 CegarLoopResult]: For program point L569(lines 569 2957) no Hoare annotation was computed. [2020-10-25 22:22:14,753 INFO L277 CegarLoopResult]: At program point L2617(lines 16 3008) the Hoare annotation is: true [2020-10-25 22:22:14,753 INFO L274 CegarLoopResult]: For program point L2023(lines 2023 2733) no Hoare annotation was computed. [2020-10-25 22:22:14,754 INFO L274 CegarLoopResult]: For program point L900(lines 900 2906) no Hoare annotation was computed. [2020-10-25 22:22:14,754 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 2865) no Hoare annotation was computed. [2020-10-25 22:22:14,754 INFO L274 CegarLoopResult]: For program point L2156(lines 2156 2713) no Hoare annotation was computed. [2020-10-25 22:22:14,754 INFO L274 CegarLoopResult]: For program point L2090(lines 2090 2723) no Hoare annotation was computed. [2020-10-25 22:22:14,754 INFO L274 CegarLoopResult]: For program point L2421(lines 2421 2672) no Hoare annotation was computed. [2020-10-25 22:22:14,754 INFO L274 CegarLoopResult]: For program point L307(lines 307 2997) no Hoare annotation was computed. [2020-10-25 22:22:14,755 INFO L274 CegarLoopResult]: For program point L1298(lines 1298 2845) no Hoare annotation was computed. [2020-10-25 22:22:14,755 INFO L274 CegarLoopResult]: For program point L1232(lines 1232 2855) no Hoare annotation was computed. [2020-10-25 22:22:14,755 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 2804) no Hoare annotation was computed. [2020-10-25 22:22:14,755 INFO L274 CegarLoopResult]: For program point L440(lines 440 2977) no Hoare annotation was computed. [2020-10-25 22:22:14,755 INFO L274 CegarLoopResult]: For program point L374(lines 374 2987) no Hoare annotation was computed. [2020-10-25 22:22:14,756 INFO L274 CegarLoopResult]: For program point L1828(lines 1828 2763) no Hoare annotation was computed. [2020-10-25 22:22:14,756 INFO L274 CegarLoopResult]: For program point L705(lines 705 2936) no Hoare annotation was computed. [2020-10-25 22:22:14,756 INFO L274 CegarLoopResult]: For program point L45(lines 45 55) no Hoare annotation was computed. [2020-10-25 22:22:14,756 INFO L274 CegarLoopResult]: For program point L970(lines 970 2895) no Hoare annotation was computed. [2020-10-25 22:22:14,756 INFO L274 CegarLoopResult]: For program point L1961(lines 1961 2743) no Hoare annotation was computed. [2020-10-25 22:22:14,756 INFO L274 CegarLoopResult]: For program point L1895(lines 1895 2753) no Hoare annotation was computed. [2020-10-25 22:22:14,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,757 INFO L274 CegarLoopResult]: For program point L2226(lines 2226 2702) no Hoare annotation was computed. [2020-10-25 22:22:14,757 INFO L274 CegarLoopResult]: For program point L1103(lines 1103 2875) no Hoare annotation was computed. [2020-10-25 22:22:14,757 INFO L274 CegarLoopResult]: For program point L1037(lines 1037 2885) no Hoare annotation was computed. [2020-10-25 22:22:14,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,757 INFO L274 CegarLoopResult]: For program point L2623(lines 2623 2642) no Hoare annotation was computed. [2020-10-25 22:22:14,758 INFO L274 CegarLoopResult]: For program point L2491(lines 2491 2661) no Hoare annotation was computed. [2020-10-25 22:22:14,758 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 2834) no Hoare annotation was computed. [2020-10-25 22:22:14,758 INFO L274 CegarLoopResult]: For program point L1633(lines 1633 2793) no Hoare annotation was computed. [2020-10-25 22:22:14,758 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,758 INFO L274 CegarLoopResult]: For program point L2558(lines 2558 2651) no Hoare annotation was computed. [2020-10-25 22:22:14,758 INFO L274 CegarLoopResult]: For program point L510(lines 510 2966) no Hoare annotation was computed. [2020-10-25 22:22:14,759 INFO L274 CegarLoopResult]: For program point L246(lines 246 281) no Hoare annotation was computed. [2020-10-25 22:22:14,759 INFO L274 CegarLoopResult]: For program point L775(lines 775 2925) no Hoare annotation was computed. [2020-10-25 22:22:14,759 INFO L274 CegarLoopResult]: For program point L1766(lines 1766 2773) no Hoare annotation was computed. [2020-10-25 22:22:14,759 INFO L274 CegarLoopResult]: For program point L1700(lines 1700 2783) no Hoare annotation was computed. [2020-10-25 22:22:14,759 INFO L270 CegarLoopResult]: At program point L2625(lines 25 3002) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~main__t~0) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2020-10-25 22:22:14,759 INFO L274 CegarLoopResult]: For program point L115(lines 115 123) no Hoare annotation was computed. [2020-10-25 22:22:14,760 INFO L274 CegarLoopResult]: For program point L2031(lines 2031 2732) no Hoare annotation was computed. [2020-10-25 22:22:14,760 INFO L274 CegarLoopResult]: For program point L908(lines 908 2905) no Hoare annotation was computed. [2020-10-25 22:22:14,760 INFO L274 CegarLoopResult]: For program point L842(lines 842 2915) no Hoare annotation was computed. [2020-10-25 22:22:14,760 INFO L274 CegarLoopResult]: For program point L2296(lines 2296 2691) no Hoare annotation was computed. [2020-10-25 22:22:14,760 INFO L274 CegarLoopResult]: For program point L1173(lines 1173 2864) no Hoare annotation was computed. [2020-10-25 22:22:14,760 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 2823) no Hoare annotation was computed. [2020-10-25 22:22:14,761 INFO L274 CegarLoopResult]: For program point L2429(lines 2429 2671) no Hoare annotation was computed. [2020-10-25 22:22:14,761 INFO L274 CegarLoopResult]: For program point L315(lines 315 2996) no Hoare annotation was computed. [2020-10-25 22:22:14,761 INFO L274 CegarLoopResult]: For program point L2363(lines 2363 2681) no Hoare annotation was computed. [2020-10-25 22:22:14,761 INFO L274 CegarLoopResult]: For program point L183(lines 183 191) no Hoare annotation was computed. [2020-10-25 22:22:14,761 INFO L274 CegarLoopResult]: For program point L580(lines 580 2955) no Hoare annotation was computed. [2020-10-25 22:22:14,761 INFO L274 CegarLoopResult]: For program point L1571(lines 1571 2803) no Hoare annotation was computed. [2020-10-25 22:22:14,761 INFO L274 CegarLoopResult]: For program point L1505(lines 1505 2813) no Hoare annotation was computed. [2020-10-25 22:22:14,762 INFO L274 CegarLoopResult]: For program point L1836(lines 1836 2762) no Hoare annotation was computed. [2020-10-25 22:22:14,762 INFO L274 CegarLoopResult]: For program point L713(lines 713 2935) no Hoare annotation was computed. [2020-10-25 22:22:14,762 INFO L274 CegarLoopResult]: For program point L647(lines 647 2945) no Hoare annotation was computed. [2020-10-25 22:22:14,762 INFO L274 CegarLoopResult]: For program point L2101(lines 2101 2721) no Hoare annotation was computed. [2020-10-25 22:22:14,762 INFO L274 CegarLoopResult]: For program point L978(lines 978 2894) no Hoare annotation was computed. [2020-10-25 22:22:14,762 INFO L274 CegarLoopResult]: For program point L1243(lines 1243 2853) no Hoare annotation was computed. [2020-10-25 22:22:14,763 INFO L274 CegarLoopResult]: For program point L2234(lines 2234 2701) no Hoare annotation was computed. [2020-10-25 22:22:14,763 INFO L274 CegarLoopResult]: For program point L2168(lines 2168 2711) no Hoare annotation was computed. [2020-10-25 22:22:14,763 INFO L274 CegarLoopResult]: For program point L2631(lines 2631 2641) no Hoare annotation was computed. [2020-10-25 22:22:14,763 INFO L274 CegarLoopResult]: For program point L2499(lines 2499 2660) no Hoare annotation was computed. [2020-10-25 22:22:14,763 INFO L274 CegarLoopResult]: For program point L385(lines 385 2985) no Hoare annotation was computed. [2020-10-25 22:22:14,763 INFO L274 CegarLoopResult]: For program point L1376(lines 1376 2833) no Hoare annotation was computed. [2020-10-25 22:22:14,764 INFO L274 CegarLoopResult]: For program point L1310(lines 1310 2843) no Hoare annotation was computed. [2020-10-25 22:22:14,764 INFO L274 CegarLoopResult]: For program point L253(lines 253 275) no Hoare annotation was computed. [2020-10-25 22:22:14,764 INFO L274 CegarLoopResult]: For program point L1641(lines 1641 2792) no Hoare annotation was computed. [2020-10-25 22:22:14,764 INFO L274 CegarLoopResult]: For program point L518(lines 518 2965) no Hoare annotation was computed. [2020-10-25 22:22:14,764 INFO L274 CegarLoopResult]: For program point L452(lines 452 2975) no Hoare annotation was computed. [2020-10-25 22:22:14,764 INFO L274 CegarLoopResult]: For program point L1906(lines 1906 2751) no Hoare annotation was computed. [2020-10-25 22:22:14,764 INFO L274 CegarLoopResult]: For program point L783(lines 783 2924) no Hoare annotation was computed. [2020-10-25 22:22:14,765 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 2883) no Hoare annotation was computed. [2020-10-25 22:22:14,765 INFO L274 CegarLoopResult]: For program point L2039(lines 2039 2731) no Hoare annotation was computed. [2020-10-25 22:22:14,765 INFO L274 CegarLoopResult]: For program point L1973(lines 1973 2741) no Hoare annotation was computed. [2020-10-25 22:22:14,765 INFO L270 CegarLoopResult]: At program point L2634(lines 64 3001) the Hoare annotation is: (let ((.cse0 (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0))) (or (and .cse0 (<= 1 ULTIMATE.start_main_~main__t~0)) (and .cse0 (= ULTIMATE.start_main_~main__t~0 0)))) [2020-10-25 22:22:14,765 INFO L274 CegarLoopResult]: For program point L2304(lines 2304 2690) no Hoare annotation was computed. [2020-10-25 22:22:14,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:22:14,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,766 INFO L274 CegarLoopResult]: For program point L1181(lines 1181 2863) no Hoare annotation was computed. [2020-10-25 22:22:14,766 INFO L274 CegarLoopResult]: For program point L1115(lines 1115 2873) no Hoare annotation was computed. [2020-10-25 22:22:14,766 INFO L274 CegarLoopResult]: For program point L2569(lines 2569 2649) no Hoare annotation was computed. [2020-10-25 22:22:14,766 INFO L274 CegarLoopResult]: For program point L1446(lines 1446 2822) no Hoare annotation was computed. [2020-10-25 22:22:14,767 INFO L274 CegarLoopResult]: For program point L323(lines 323 2995) no Hoare annotation was computed. [2020-10-25 22:22:14,767 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 2781) no Hoare annotation was computed. [2020-10-25 22:22:14,767 INFO L274 CegarLoopResult]: For program point L588(lines 588 2954) no Hoare annotation was computed. [2020-10-25 22:22:14,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,767 INFO L274 CegarLoopResult]: For program point L853(lines 853 2913) no Hoare annotation was computed. [2020-10-25 22:22:14,767 INFO L274 CegarLoopResult]: For program point L1844(lines 1844 2761) no Hoare annotation was computed. [2020-10-25 22:22:14,767 INFO L274 CegarLoopResult]: For program point L1778(lines 1778 2771) no Hoare annotation was computed. [2020-10-25 22:22:14,768 INFO L274 CegarLoopResult]: For program point L2109(lines 2109 2720) no Hoare annotation was computed. [2020-10-25 22:22:14,768 INFO L274 CegarLoopResult]: For program point L986(lines 986 2893) no Hoare annotation was computed. [2020-10-25 22:22:14,768 INFO L274 CegarLoopResult]: For program point L920(lines 920 2903) no Hoare annotation was computed. [2020-10-25 22:22:14,768 INFO L274 CegarLoopResult]: For program point L2374(lines 2374 2679) no Hoare annotation was computed. [2020-10-25 22:22:14,768 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 2852) no Hoare annotation was computed. [2020-10-25 22:22:14,768 INFO L274 CegarLoopResult]: For program point L1516(lines 1516 2811) no Hoare annotation was computed. [2020-10-25 22:22:14,769 INFO L274 CegarLoopResult]: For program point L2507(lines 2507 2659) no Hoare annotation was computed. [2020-10-25 22:22:14,769 INFO L274 CegarLoopResult]: For program point L393(lines 393 2984) no Hoare annotation was computed. [2020-10-25 22:22:14,769 INFO L274 CegarLoopResult]: For program point L2441(lines 2441 2669) no Hoare annotation was computed. [2020-10-25 22:22:14,769 INFO L274 CegarLoopResult]: For program point L658(lines 658 2943) no Hoare annotation was computed. [2020-10-25 22:22:14,769 INFO L274 CegarLoopResult]: For program point L1649(lines 1649 2791) no Hoare annotation was computed. [2020-10-25 22:22:14,769 INFO L270 CegarLoopResult]: At program point L2640(lines 2591 2647) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 59 ULTIMATE.start_main_~main__t~0)) [2020-10-25 22:22:14,770 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 2801) no Hoare annotation was computed. [2020-10-25 22:22:14,770 INFO L274 CegarLoopResult]: For program point L64(lines 64 3001) no Hoare annotation was computed. [2020-10-25 22:22:14,770 INFO L274 CegarLoopResult]: For program point L1914(lines 1914 2750) no Hoare annotation was computed. [2020-10-25 22:22:14,770 INFO L274 CegarLoopResult]: For program point L791(lines 791 2923) no Hoare annotation was computed. [2020-10-25 22:22:14,770 INFO L274 CegarLoopResult]: For program point L725(lines 725 2933) no Hoare annotation was computed. [2020-10-25 22:22:14,770 INFO L274 CegarLoopResult]: For program point L2179(lines 2179 2709) no Hoare annotation was computed. [2020-10-25 22:22:14,771 INFO L274 CegarLoopResult]: For program point L1056(lines 1056 2882) no Hoare annotation was computed. [2020-10-25 22:22:14,771 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:22:14,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,771 INFO L274 CegarLoopResult]: For program point L1321(lines 1321 2841) no Hoare annotation was computed. [2020-10-25 22:22:14,771 INFO L274 CegarLoopResult]: For program point L2312(lines 2312 2689) no Hoare annotation was computed. [2020-10-25 22:22:14,771 INFO L274 CegarLoopResult]: For program point L2246(lines 2246 2699) no Hoare annotation was computed. [2020-10-25 22:22:14,771 INFO L274 CegarLoopResult]: For program point L132(lines 132 282) no Hoare annotation was computed. [2020-10-25 22:22:14,772 INFO L274 CegarLoopResult]: For program point L2577(lines 2577 2648) no Hoare annotation was computed. [2020-10-25 22:22:14,772 INFO L274 CegarLoopResult]: For program point L463(lines 463 2973) no Hoare annotation was computed. [2020-10-25 22:22:14,772 INFO L274 CegarLoopResult]: For program point L1454(lines 1454 2821) no Hoare annotation was computed. [2020-10-25 22:22:14,772 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 2831) no Hoare annotation was computed. [2020-10-25 22:22:14,772 INFO L274 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-10-25 22:22:14,772 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 2780) no Hoare annotation was computed. [2020-10-25 22:22:14,773 INFO L274 CegarLoopResult]: For program point L596(lines 596 2953) no Hoare annotation was computed. [2020-10-25 22:22:14,773 INFO L274 CegarLoopResult]: For program point L530(lines 530 2963) no Hoare annotation was computed. [2020-10-25 22:22:14,773 INFO L274 CegarLoopResult]: For program point L1984(lines 1984 2739) no Hoare annotation was computed. [2020-10-25 22:22:14,773 INFO L274 CegarLoopResult]: For program point L861(lines 861 2912) no Hoare annotation was computed. [2020-10-25 22:22:14,773 INFO L274 CegarLoopResult]: For program point L1126(lines 1126 2871) no Hoare annotation was computed. [2020-10-25 22:22:14,773 INFO L274 CegarLoopResult]: For program point L2117(lines 2117 2719) no Hoare annotation was computed. [2020-10-25 22:22:14,774 INFO L274 CegarLoopResult]: For program point L2051(lines 2051 2729) no Hoare annotation was computed. [2020-10-25 22:22:14,774 INFO L274 CegarLoopResult]: For program point L2382(lines 2382 2678) no Hoare annotation was computed. [2020-10-25 22:22:14,774 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 2851) no Hoare annotation was computed. [2020-10-25 22:22:14,774 INFO L274 CegarLoopResult]: For program point L1193(lines 1193 2861) no Hoare annotation was computed. [2020-10-25 22:22:14,774 INFO L274 CegarLoopResult]: For program point L136(lines 136 240) no Hoare annotation was computed. [2020-10-25 22:22:14,774 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,775 INFO L274 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,775 INFO L274 CegarLoopResult]: For program point L4-2(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,775 INFO L274 CegarLoopResult]: For program point L4-3(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,775 INFO L274 CegarLoopResult]: For program point L4-4(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,775 INFO L274 CegarLoopResult]: For program point L4-5(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,775 INFO L274 CegarLoopResult]: For program point L4-6(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,775 INFO L274 CegarLoopResult]: For program point L4-7(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,776 INFO L274 CegarLoopResult]: For program point L4-8(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,776 INFO L274 CegarLoopResult]: For program point L4-9(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,776 INFO L274 CegarLoopResult]: For program point L4-10(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,776 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,776 INFO L274 CegarLoopResult]: For program point L4-11(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,776 INFO L274 CegarLoopResult]: For program point L4-12(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,777 INFO L274 CegarLoopResult]: For program point L4-13(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,777 INFO L274 CegarLoopResult]: For program point L4-14(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,777 INFO L274 CegarLoopResult]: For program point L4-15(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,777 INFO L274 CegarLoopResult]: For program point L4-16(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,777 INFO L274 CegarLoopResult]: For program point L1524(lines 1524 2810) no Hoare annotation was computed. [2020-10-25 22:22:14,777 INFO L274 CegarLoopResult]: For program point L4-17(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,777 INFO L274 CegarLoopResult]: For program point L4-18(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,778 INFO L274 CegarLoopResult]: For program point L4-19(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,778 INFO L274 CegarLoopResult]: For program point L401(lines 401 2983) no Hoare annotation was computed. [2020-10-25 22:22:14,778 INFO L274 CegarLoopResult]: For program point L4-20(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,778 INFO L274 CegarLoopResult]: For program point L4-21(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,778 INFO L274 CegarLoopResult]: For program point L335(lines 335 2993) no Hoare annotation was computed. [2020-10-25 22:22:14,778 INFO L274 CegarLoopResult]: For program point L4-22(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,778 INFO L274 CegarLoopResult]: For program point L4-23(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,779 INFO L274 CegarLoopResult]: For program point L4-24(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,779 INFO L274 CegarLoopResult]: For program point L4-25(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,779 INFO L274 CegarLoopResult]: For program point L4-26(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,779 INFO L274 CegarLoopResult]: For program point L4-27(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,779 INFO L274 CegarLoopResult]: For program point L4-28(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,779 INFO L274 CegarLoopResult]: For program point L4-29(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,780 INFO L274 CegarLoopResult]: For program point L4-30(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,780 INFO L274 CegarLoopResult]: For program point L4-31(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,780 INFO L274 CegarLoopResult]: For program point L1789(lines 1789 2769) no Hoare annotation was computed. [2020-10-25 22:22:14,780 INFO L274 CegarLoopResult]: For program point L666(lines 666 2942) no Hoare annotation was computed. [2020-10-25 22:22:14,780 INFO L274 CegarLoopResult]: For program point L931(lines 931 2901) no Hoare annotation was computed. [2020-10-25 22:22:14,780 INFO L274 CegarLoopResult]: For program point L1922(lines 1922 2749) no Hoare annotation was computed. [2020-10-25 22:22:14,780 INFO L274 CegarLoopResult]: For program point L1856(lines 1856 2759) no Hoare annotation was computed. [2020-10-25 22:22:14,781 INFO L274 CegarLoopResult]: For program point L205(lines 205 229) no Hoare annotation was computed. [2020-10-25 22:22:14,781 INFO L274 CegarLoopResult]: For program point L2187(lines 2187 2708) no Hoare annotation was computed. [2020-10-25 22:22:14,781 INFO L274 CegarLoopResult]: For program point L1064(lines 1064 2881) no Hoare annotation was computed. [2020-10-25 22:22:14,781 INFO L274 CegarLoopResult]: For program point L998(lines 998 2891) no Hoare annotation was computed. [2020-10-25 22:22:14,781 INFO L274 CegarLoopResult]: For program point L2452(lines 2452 2667) no Hoare annotation was computed. [2020-10-25 22:22:14,781 INFO L274 CegarLoopResult]: For program point L1329(lines 1329 2840) no Hoare annotation was computed. [2020-10-25 22:22:14,781 INFO L274 CegarLoopResult]: For program point L74(lines 74 286) no Hoare annotation was computed. [2020-10-25 22:22:14,782 INFO L274 CegarLoopResult]: For program point L1594(lines 1594 2799) no Hoare annotation was computed. [2020-10-25 22:22:14,782 INFO L274 CegarLoopResult]: For program point L2585(lines 2585 2647) no Hoare annotation was computed. [2020-10-25 22:22:14,782 INFO L274 CegarLoopResult]: For program point L471(lines 471 2972) no Hoare annotation was computed. [2020-10-25 22:22:14,782 INFO L274 CegarLoopResult]: For program point L2519(lines 2519 2657) no Hoare annotation was computed. [2020-10-25 22:22:14,782 INFO L274 CegarLoopResult]: For program point L736(lines 736 2931) no Hoare annotation was computed. [2020-10-25 22:22:14,782 INFO L274 CegarLoopResult]: For program point L1727(lines 1727 2779) no Hoare annotation was computed. [2020-10-25 22:22:14,783 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 2789) no Hoare annotation was computed. [2020-10-25 22:22:14,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,783 INFO L274 CegarLoopResult]: For program point L1992(lines 1992 2738) no Hoare annotation was computed. [2020-10-25 22:22:14,783 INFO L274 CegarLoopResult]: For program point L869(lines 869 2911) no Hoare annotation was computed. [2020-10-25 22:22:14,783 INFO L274 CegarLoopResult]: For program point L803(lines 803 2921) no Hoare annotation was computed. [2020-10-25 22:22:14,784 INFO L274 CegarLoopResult]: For program point L2257(lines 2257 2697) no Hoare annotation was computed. [2020-10-25 22:22:14,784 INFO L274 CegarLoopResult]: For program point L143(lines 143 234) no Hoare annotation was computed. [2020-10-25 22:22:14,784 INFO L274 CegarLoopResult]: For program point L1134(lines 1134 2870) no Hoare annotation was computed. [2020-10-25 22:22:14,784 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,784 INFO L274 CegarLoopResult]: For program point L1399(lines 1399 2829) no Hoare annotation was computed. [2020-10-25 22:22:14,784 INFO L274 CegarLoopResult]: For program point L2390(lines 2390 2677) no Hoare annotation was computed. [2020-10-25 22:22:14,785 INFO L274 CegarLoopResult]: For program point L2324(lines 2324 2687) no Hoare annotation was computed. [2020-10-25 22:22:14,785 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,785 INFO L274 CegarLoopResult]: For program point L541(lines 541 2961) no Hoare annotation was computed. [2020-10-25 22:22:14,785 INFO L274 CegarLoopResult]: For program point L1532(lines 1532 2809) no Hoare annotation was computed. [2020-10-25 22:22:14,785 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 2819) no Hoare annotation was computed. [2020-10-25 22:22:14,785 INFO L274 CegarLoopResult]: For program point L1797(lines 1797 2768) no Hoare annotation was computed. [2020-10-25 22:22:14,785 INFO L274 CegarLoopResult]: For program point L674(lines 674 2941) no Hoare annotation was computed. [2020-10-25 22:22:14,786 INFO L274 CegarLoopResult]: For program point L608(lines 608 2951) no Hoare annotation was computed. [2020-10-25 22:22:14,786 INFO L274 CegarLoopResult]: For program point L2062(lines 2062 2727) no Hoare annotation was computed. [2020-10-25 22:22:14,786 INFO L274 CegarLoopResult]: For program point L939(lines 939 2900) no Hoare annotation was computed. [2020-10-25 22:22:14,786 INFO L274 CegarLoopResult]: For program point L1204(lines 1204 2859) no Hoare annotation was computed. [2020-10-25 22:22:14,786 INFO L274 CegarLoopResult]: For program point L2195(lines 2195 2707) no Hoare annotation was computed. [2020-10-25 22:22:14,786 INFO L274 CegarLoopResult]: For program point L2129(lines 2129 2717) no Hoare annotation was computed. [2020-10-25 22:22:14,786 INFO L274 CegarLoopResult]: For program point L2460(lines 2460 2666) no Hoare annotation was computed. [2020-10-25 22:22:14,787 INFO L274 CegarLoopResult]: For program point L346(lines 346 2991) no Hoare annotation was computed. [2020-10-25 22:22:14,787 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 2839) no Hoare annotation was computed. [2020-10-25 22:22:14,787 INFO L270 CegarLoopResult]: At program point L280(lines 132 282) the Hoare annotation is: (and (< ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0) (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0))) [2020-10-25 22:22:14,787 INFO L274 CegarLoopResult]: For program point L1271(lines 1271 2849) no Hoare annotation was computed. [2020-10-25 22:22:14,787 INFO L274 CegarLoopResult]: For program point L1602(lines 1602 2798) no Hoare annotation was computed. [2020-10-25 22:22:14,787 INFO L274 CegarLoopResult]: For program point L479(lines 479 2971) no Hoare annotation was computed. [2020-10-25 22:22:14,788 INFO L274 CegarLoopResult]: For program point L413(lines 413 2981) no Hoare annotation was computed. [2020-10-25 22:22:14,788 INFO L274 CegarLoopResult]: For program point L1867(lines 1867 2757) no Hoare annotation was computed. [2020-10-25 22:22:14,788 INFO L274 CegarLoopResult]: For program point L744(lines 744 2930) no Hoare annotation was computed. [2020-10-25 22:22:14,788 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 2889) no Hoare annotation was computed. [2020-10-25 22:22:14,788 INFO L274 CegarLoopResult]: For program point L2000(lines 2000 2737) no Hoare annotation was computed. [2020-10-25 22:22:14,788 INFO L274 CegarLoopResult]: For program point L1934(lines 1934 2747) no Hoare annotation was computed. [2020-10-25 22:22:14,788 INFO L274 CegarLoopResult]: For program point L217(lines 217 227) no Hoare annotation was computed. [2020-10-25 22:22:14,790 INFO L274 CegarLoopResult]: For program point L2265(lines 2265 2696) no Hoare annotation was computed. [2020-10-25 22:22:14,790 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 2869) no Hoare annotation was computed. [2020-10-25 22:22:14,790 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 2879) no Hoare annotation was computed. [2020-10-25 22:22:14,790 INFO L274 CegarLoopResult]: For program point L2530(lines 2530 2655) no Hoare annotation was computed. [2020-10-25 22:22:14,790 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 2828) no Hoare annotation was computed. [2020-10-25 22:22:14,790 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:22:14,791 INFO L274 CegarLoopResult]: For program point L86(lines 86 284) no Hoare annotation was computed. [2020-10-25 22:22:14,794 INFO L274 CegarLoopResult]: For program point L1672(lines 1672 2787) no Hoare annotation was computed. [2020-10-25 22:22:14,794 INFO L274 CegarLoopResult]: For program point L549(lines 549 2960) no Hoare annotation was computed. [2020-10-25 22:22:14,795 INFO L274 CegarLoopResult]: For program point L21(lines 21 3007) no Hoare annotation was computed. [2020-10-25 22:22:14,795 INFO L274 CegarLoopResult]: For program point L814(lines 814 2919) no Hoare annotation was computed. [2020-10-25 22:22:14,795 INFO L274 CegarLoopResult]: For program point L1805(lines 1805 2767) no Hoare annotation was computed. [2020-10-25 22:22:14,795 INFO L274 CegarLoopResult]: For program point L1739(lines 1739 2777) no Hoare annotation was computed. [2020-10-25 22:22:14,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,795 INFO L274 CegarLoopResult]: For program point L2070(lines 2070 2726) no Hoare annotation was computed. [2020-10-25 22:22:14,796 INFO L274 CegarLoopResult]: For program point L947(lines 947 2899) no Hoare annotation was computed. [2020-10-25 22:22:14,796 INFO L274 CegarLoopResult]: For program point L881(lines 881 2909) no Hoare annotation was computed. [2020-10-25 22:22:14,796 INFO L274 CegarLoopResult]: For program point L2335(lines 2335 2685) no Hoare annotation was computed. [2020-10-25 22:22:14,796 INFO L274 CegarLoopResult]: For program point L1212(lines 1212 2858) no Hoare annotation was computed. [2020-10-25 22:22:14,797 INFO L274 CegarLoopResult]: For program point L155(lines 155 232) no Hoare annotation was computed. [2020-10-25 22:22:14,798 INFO L274 CegarLoopResult]: For program point L1477(lines 1477 2817) no Hoare annotation was computed. [2020-10-25 22:22:14,798 INFO L274 CegarLoopResult]: For program point L2468(lines 2468 2665) no Hoare annotation was computed. [2020-10-25 22:22:14,798 INFO L274 CegarLoopResult]: For program point L2402(lines 2402 2675) no Hoare annotation was computed. [2020-10-25 22:22:14,798 INFO L274 CegarLoopResult]: For program point L354(lines 354 2990) no Hoare annotation was computed. [2020-10-25 22:22:14,798 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,798 INFO L274 CegarLoopResult]: For program point L619(lines 619 2949) no Hoare annotation was computed. [2020-10-25 22:22:14,799 INFO L274 CegarLoopResult]: For program point L1610(lines 1610 2797) no Hoare annotation was computed. [2020-10-25 22:22:14,799 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 2807) no Hoare annotation was computed. [2020-10-25 22:22:14,799 INFO L274 CegarLoopResult]: For program point L25(lines 25 3002) no Hoare annotation was computed. [2020-10-25 22:22:14,799 INFO L274 CegarLoopResult]: For program point L1875(lines 1875 2756) no Hoare annotation was computed. [2020-10-25 22:22:14,799 INFO L274 CegarLoopResult]: For program point L752(lines 752 2929) no Hoare annotation was computed. [2020-10-25 22:22:14,799 INFO L274 CegarLoopResult]: For program point L686(lines 686 2939) no Hoare annotation was computed. [2020-10-25 22:22:14,799 INFO L274 CegarLoopResult]: For program point L2602(lines 2602 2645) no Hoare annotation was computed. [2020-10-25 22:22:14,800 INFO L274 CegarLoopResult]: For program point L2140(lines 2140 2715) no Hoare annotation was computed. [2020-10-25 22:22:14,800 INFO L274 CegarLoopResult]: For program point L1017(lines 1017 2888) no Hoare annotation was computed. [2020-10-25 22:22:14,800 INFO L274 CegarLoopResult]: For program point L1282(lines 1282 2847) no Hoare annotation was computed. [2020-10-25 22:22:14,800 INFO L274 CegarLoopResult]: For program point L2273(lines 2273 2695) no Hoare annotation was computed. [2020-10-25 22:22:14,800 INFO L274 CegarLoopResult]: For program point L2207(lines 2207 2705) no Hoare annotation was computed. [2020-10-25 22:22:14,800 INFO L274 CegarLoopResult]: For program point L2538(lines 2538 2654) no Hoare annotation was computed. [2020-10-25 22:22:14,801 INFO L274 CegarLoopResult]: For program point L424(lines 424 2979) no Hoare annotation was computed. [2020-10-25 22:22:14,801 INFO L274 CegarLoopResult]: For program point L1415(lines 1415 2827) no Hoare annotation was computed. [2020-10-25 22:22:14,801 INFO L274 CegarLoopResult]: For program point L1349(lines 1349 2837) no Hoare annotation was computed. [2020-10-25 22:22:14,801 INFO L270 CegarLoopResult]: At program point L226(lines 92 284) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~main__t~0) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~3 0)) (not (= ULTIMATE.start_main_~__VERIFIER_assert__cond~2 0)) (<= ULTIMATE.start_main_~main__t~0 ULTIMATE.start_main_~main__tagbuf_len~0)) [2020-10-25 22:22:14,801 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:22:14,801 INFO L274 CegarLoopResult]: For program point L1680(lines 1680 2786) no Hoare annotation was computed. [2020-10-25 22:22:14,802 INFO L274 CegarLoopResult]: For program point L557(lines 557 2959) no Hoare annotation was computed. [2020-10-25 22:22:14,802 INFO L274 CegarLoopResult]: For program point L491(lines 491 2969) no Hoare annotation was computed. [2020-10-25 22:22:14,802 INFO L274 CegarLoopResult]: For program point L1945(lines 1945 2745) no Hoare annotation was computed. [2020-10-25 22:22:14,802 INFO L274 CegarLoopResult]: For program point L822(lines 822 2918) no Hoare annotation was computed. [2020-10-25 22:22:14,802 INFO L274 CegarLoopResult]: For program point L1087(lines 1087 2877) no Hoare annotation was computed. [2020-10-25 22:22:14,802 INFO L274 CegarLoopResult]: For program point L2078(lines 2078 2725) no Hoare annotation was computed. [2020-10-25 22:22:14,802 INFO L274 CegarLoopResult]: For program point L2012(lines 2012 2735) no Hoare annotation was computed. [2020-10-25 22:22:14,803 INFO L274 CegarLoopResult]: For program point L2343(lines 2343 2684) no Hoare annotation was computed. [2020-10-25 22:22:14,803 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 2857) no Hoare annotation was computed. [2020-10-25 22:22:14,803 INFO L274 CegarLoopResult]: For program point L1154(lines 1154 2867) no Hoare annotation was computed. [2020-10-25 22:22:14,803 INFO L274 CegarLoopResult]: For program point L1485(lines 1485 2816) no Hoare annotation was computed. [2020-10-25 22:22:14,803 INFO L274 CegarLoopResult]: For program point L362(lines 362 2989) no Hoare annotation was computed. [2020-10-25 22:22:14,803 INFO L274 CegarLoopResult]: For program point L296(lines 296 2999) no Hoare annotation was computed. [2020-10-25 22:22:14,803 INFO L274 CegarLoopResult]: For program point L164(lines 164 231) no Hoare annotation was computed. [2020-10-25 22:22:14,804 INFO L274 CegarLoopResult]: For program point L1750(lines 1750 2775) no Hoare annotation was computed. [2020-10-25 22:22:14,804 INFO L274 CegarLoopResult]: For program point L627(lines 627 2948) no Hoare annotation was computed. [2020-10-25 22:22:14,804 INFO L274 CegarLoopResult]: For program point L33(lines 33 57) no Hoare annotation was computed. [2020-10-25 22:22:14,804 INFO L277 CegarLoopResult]: At program point L3006(lines 21 3007) the Hoare annotation is: true [2020-10-25 22:22:14,804 INFO L274 CegarLoopResult]: For program point L892(lines 892 2907) no Hoare annotation was computed. [2020-10-25 22:22:14,804 INFO L274 CegarLoopResult]: For program point L1883(lines 1883 2755) no Hoare annotation was computed. [2020-10-25 22:22:14,805 INFO L274 CegarLoopResult]: For program point L1817(lines 1817 2765) no Hoare annotation was computed. [2020-10-25 22:22:14,805 INFO L274 CegarLoopResult]: For program point L2148(lines 2148 2714) no Hoare annotation was computed. [2020-10-25 22:22:14,805 INFO L274 CegarLoopResult]: For program point L1025(lines 1025 2887) no Hoare annotation was computed. [2020-10-25 22:22:14,805 INFO L274 CegarLoopResult]: For program point L959(lines 959 2897) no Hoare annotation was computed. [2020-10-25 22:22:14,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 22:22:14,805 INFO L274 CegarLoopResult]: For program point L2413(lines 2413 2673) no Hoare annotation was computed. [2020-10-25 22:22:14,805 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 2846) no Hoare annotation was computed. [2020-10-25 22:22:14,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:22:14 BoogieIcfgContainer [2020-10-25 22:22:14,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:22:14,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:22:14,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:22:14,837 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:22:14,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:55" (3/4) ... [2020-10-25 22:22:14,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:22:14,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-25 22:22:14,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 22:22:14,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:22:14,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:22:15,107 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:22:15,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:22:15,108 INFO L168 Benchmark]: Toolchain (without parser) took 23051.87 ms. Allocated memory was 50.3 MB in the beginning and 262.1 MB in the end (delta: 211.8 MB). Free memory was 25.9 MB in the beginning and 135.3 MB in the end (delta: -109.4 MB). Peak memory consumption was 104.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:22:15,109 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 41.9 MB. Free memory was 21.8 MB in the beginning and 21.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:22:15,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1193.43 ms. Allocated memory is still 50.3 MB. Free memory was 25.2 MB in the beginning and 23.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-25 22:22:15,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.09 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 23.2 MB in the beginning and 40.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-10-25 22:22:15,110 INFO L168 Benchmark]: Boogie Preprocessor took 89.84 ms. Allocated memory is still 62.9 MB. Free memory was 40.2 MB in the beginning and 35.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:22:15,110 INFO L168 Benchmark]: RCFGBuilder took 1664.43 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 162.3 kB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-10-25 22:22:15,111 INFO L168 Benchmark]: TraceAbstraction took 19692.50 ms. Allocated memory was 92.3 MB in the beginning and 262.1 MB in the end (delta: 169.9 MB). Free memory was 65.3 MB in the beginning and 166.8 MB in the end (delta: -101.5 MB). Peak memory consumption was 158.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:22:15,111 INFO L168 Benchmark]: Witness Printer took 270.76 ms. Allocated memory is still 262.1 MB. Free memory was 166.8 MB in the beginning and 135.3 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-10-25 22:22:15,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 41.9 MB. Free memory was 21.8 MB in the beginning and 21.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1193.43 ms. Allocated memory is still 50.3 MB. Free memory was 25.2 MB in the beginning and 23.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.09 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 23.2 MB in the beginning and 40.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.84 ms. Allocated memory is still 62.9 MB. Free memory was 40.2 MB in the beginning and 35.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1664.43 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 162.3 kB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19692.50 ms. Allocated memory was 92.3 MB in the beginning and 262.1 MB in the end (delta: 169.9 MB). Free memory was 65.3 MB in the beginning and 166.8 MB in the end (delta: -101.5 MB). Peak memory consumption was 158.1 MB. Max. memory is 16.1 GB. * Witness Printer took 270.76 ms. Allocated memory is still 262.1 MB. Free memory was 166.8 MB in the beginning and 135.3 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 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 - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 16 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((1 <= main__t && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && main__t <= main__tagbuf_len - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((main__t < main__tagbuf_len && 1 <= main__t) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (main__t < main__tagbuf_len && 1 <= main__t) || (main__t < main__tagbuf_len && main__t == 0) - InvariantResult [Line: 2591]: Loop Invariant Derived loop invariant: main__t < main__tagbuf_len && 59 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 320 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 21, TraceHistogramMax: 1, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4010 SDtfs, 9444 SDslu, 5323 SDs, 0 SdLazy, 12286 SolverSat, 2565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=320occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 21 MinimizatonAttempts, 154 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 16 NumberOfFragments, 61 HoareAnnotationTreeSize, 7 FomulaSimplifications, 9919 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6319 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 744 NumberOfCodeBlocks, 744 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 723 ConstructedInterpolants, 0 QuantifiedInterpolants, 363327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 PerfectInterpolantSequences, 0/0 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...