./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label09.c -s /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer --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 3f3500aa26cc1aa6476de6e685de497bdddefade ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:30:51,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:30:51,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:30:51,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:30:51,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:30:51,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:30:51,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:30:51,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:30:51,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:30:51,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:30:51,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:30:51,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:30:51,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:30:51,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:30:51,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:30:51,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:30:51,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:30:51,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:30:51,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:30:51,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:30:51,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:30:51,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:30:51,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:30:51,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:30:51,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:30:51,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:30:51,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:30:51,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:30:51,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:30:51,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:30:51,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:30:51,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:30:51,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:30:51,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:30:51,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:30:51,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:30:51,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:30:51,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:30:51,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:30:51,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:30:51,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:30:51,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:30:51,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:30:51,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:30:51,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:30:51,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:30:51,389 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:30:51,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:30:51,389 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:30:51,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:30:51,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:30:51,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:30:51,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:30:51,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:30:51,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:30:51,392 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:30:51,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:30:51,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:30:51,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:30:51,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:30:51,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:30:51,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:30:51,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:30:51,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:30:51,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:30:51,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:30:51,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:30:51,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:30:51,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:30:51,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:30:51,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:30:51,395 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:/tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f3500aa26cc1aa6476de6e685de497bdddefade [2020-11-29 19:30:51,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:30:51,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:30:51,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:30:51,714 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:30:51,715 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:30:51,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label09.c [2020-11-29 19:30:51,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/data/4ca376ffa/d8590b84c8ad4ba9a6e1eb3e2391148a/FLAG75e87682e [2020-11-29 19:30:52,479 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:30:52,482 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/sv-benchmarks/c/eca-rers2012/Problem11_label09.c [2020-11-29 19:30:52,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/data/4ca376ffa/d8590b84c8ad4ba9a6e1eb3e2391148a/FLAG75e87682e [2020-11-29 19:30:52,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/data/4ca376ffa/d8590b84c8ad4ba9a6e1eb3e2391148a [2020-11-29 19:30:52,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:30:52,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:30:52,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:30:52,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:30:52,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:30:52,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:30:52" (1/1) ... [2020-11-29 19:30:52,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ae656c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:52, skipping insertion in model container [2020-11-29 19:30:52,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:30:52" (1/1) ... [2020-11-29 19:30:52,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:30:52,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:30:53,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:30:53,659 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:30:53,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:30:53,895 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:30:53,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53 WrapperNode [2020-11-29 19:30:53,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:30:53,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:30:53,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:30:53,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:30:53,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:53,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:30:54,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:30:54,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:30:54,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:30:54,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... [2020-11-29 19:30:54,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:30:54,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:30:54,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:30:54,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:30:54,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/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 [2020-11-29 19:30:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:30:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:30:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:30:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:30:56,507 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:30:56,507 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:30:56,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:30:56 BoogieIcfgContainer [2020-11-29 19:30:56,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:30:56,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:30:56,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:30:56,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:30:56,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:30:52" (1/3) ... [2020-11-29 19:30:56,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1a559f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:30:56, skipping insertion in model container [2020-11-29 19:30:56,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:30:53" (2/3) ... [2020-11-29 19:30:56,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1a559f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:30:56, skipping insertion in model container [2020-11-29 19:30:56,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:30:56" (3/3) ... [2020-11-29 19:30:56,522 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label09.c [2020-11-29 19:30:56,535 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:30:56,541 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:30:56,555 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:30:56,606 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:30:56,606 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:30:56,607 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:30:56,607 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:30:56,607 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:30:56,607 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:30:56,607 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:30:56,607 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:30:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 19:30:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 19:30:56,651 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:56,652 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] [2020-11-29 19:30:56,652 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:56,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:56,659 INFO L82 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2020-11-29 19:30:56,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:56,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606353846] [2020-11-29 19:30:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:30:57,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606353846] [2020-11-29 19:30:57,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:57,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:30:57,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685081596] [2020-11-29 19:30:57,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:57,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:57,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:57,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:57,129 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 19:30:58,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:30:58,930 INFO L93 Difference]: Finished difference Result 777 states and 1364 transitions. [2020-11-29 19:30:58,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:30:58,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-11-29 19:30:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:30:58,949 INFO L225 Difference]: With dead ends: 777 [2020-11-29 19:30:58,950 INFO L226 Difference]: Without dead ends: 413 [2020-11-29 19:30:58,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:58,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-29 19:30:59,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2020-11-29 19:30:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-11-29 19:30:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2020-11-29 19:30:59,032 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 66 [2020-11-29 19:30:59,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:30:59,033 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2020-11-29 19:30:59,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:30:59,033 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2020-11-29 19:30:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-29 19:30:59,040 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:30:59,040 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:30:59,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:30:59,041 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:30:59,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:30:59,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1189231150, now seen corresponding path program 1 times [2020-11-29 19:30:59,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:30:59,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642944686] [2020-11-29 19:30:59,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:30:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:30:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:30:59,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642944686] [2020-11-29 19:30:59,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:30:59,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:30:59,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631603326] [2020-11-29 19:30:59,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:30:59,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:30:59,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:30:59,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:30:59,299 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand 3 states. [2020-11-29 19:31:00,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:00,485 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2020-11-29 19:31:00,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:00,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-11-29 19:31:00,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:00,493 INFO L225 Difference]: With dead ends: 1209 [2020-11-29 19:31:00,494 INFO L226 Difference]: Without dead ends: 800 [2020-11-29 19:31:00,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:00,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-29 19:31:00,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2020-11-29 19:31:00,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-11-29 19:31:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2020-11-29 19:31:00,567 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 134 [2020-11-29 19:31:00,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:00,568 INFO L481 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2020-11-29 19:31:00,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2020-11-29 19:31:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-29 19:31:00,579 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:00,579 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:00,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:31:00,579 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:00,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:00,580 INFO L82 PathProgramCache]: Analyzing trace with hash -801294698, now seen corresponding path program 1 times [2020-11-29 19:31:00,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:00,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425498557] [2020-11-29 19:31:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:31:00,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425498557] [2020-11-29 19:31:00,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:00,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:31:00,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533788246] [2020-11-29 19:31:00,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:00,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:00,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:00,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:00,841 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand 3 states. [2020-11-29 19:31:02,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:02,064 INFO L93 Difference]: Finished difference Result 1941 states and 2630 transitions. [2020-11-29 19:31:02,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:02,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-29 19:31:02,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:02,073 INFO L225 Difference]: With dead ends: 1941 [2020-11-29 19:31:02,073 INFO L226 Difference]: Without dead ends: 1156 [2020-11-29 19:31:02,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:02,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2020-11-29 19:31:02,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2020-11-29 19:31:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2020-11-29 19:31:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2020-11-29 19:31:02,148 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 135 [2020-11-29 19:31:02,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:02,149 INFO L481 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2020-11-29 19:31:02,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2020-11-29 19:31:02,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-29 19:31:02,158 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:02,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:02,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:31:02,160 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:02,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:02,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1593575146, now seen corresponding path program 1 times [2020-11-29 19:31:02,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:02,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719651822] [2020-11-29 19:31:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-29 19:31:02,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719651822] [2020-11-29 19:31:02,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:02,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:31:02,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969093362] [2020-11-29 19:31:02,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:02,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:02,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:02,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:02,452 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand 3 states. [2020-11-29 19:31:03,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:03,793 INFO L93 Difference]: Finished difference Result 3056 states and 3917 transitions. [2020-11-29 19:31:03,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:03,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2020-11-29 19:31:03,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:03,807 INFO L225 Difference]: With dead ends: 3056 [2020-11-29 19:31:03,807 INFO L226 Difference]: Without dead ends: 1902 [2020-11-29 19:31:03,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:03,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2020-11-29 19:31:03,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1901. [2020-11-29 19:31:03,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1901 states. [2020-11-29 19:31:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2319 transitions. [2020-11-29 19:31:03,864 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2319 transitions. Word has length 178 [2020-11-29 19:31:03,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:03,866 INFO L481 AbstractCegarLoop]: Abstraction has 1901 states and 2319 transitions. [2020-11-29 19:31:03,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2319 transitions. [2020-11-29 19:31:03,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-29 19:31:03,873 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:03,874 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:03,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:31:03,874 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:03,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1118144689, now seen corresponding path program 1 times [2020-11-29 19:31:03,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:03,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678596050] [2020-11-29 19:31:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:31:04,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678596050] [2020-11-29 19:31:04,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:04,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:04,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917886265] [2020-11-29 19:31:04,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:04,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:04,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:04,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:04,073 INFO L87 Difference]: Start difference. First operand 1901 states and 2319 transitions. Second operand 3 states. [2020-11-29 19:31:05,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:05,431 INFO L93 Difference]: Finished difference Result 4550 states and 5631 transitions. [2020-11-29 19:31:05,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:05,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-11-29 19:31:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:05,449 INFO L225 Difference]: With dead ends: 4550 [2020-11-29 19:31:05,449 INFO L226 Difference]: Without dead ends: 2835 [2020-11-29 19:31:05,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:05,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2835 states. [2020-11-29 19:31:05,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2835 to 2456. [2020-11-29 19:31:05,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2456 states. [2020-11-29 19:31:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 2976 transitions. [2020-11-29 19:31:05,511 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 2976 transitions. Word has length 193 [2020-11-29 19:31:05,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:05,513 INFO L481 AbstractCegarLoop]: Abstraction has 2456 states and 2976 transitions. [2020-11-29 19:31:05,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:05,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2976 transitions. [2020-11-29 19:31:05,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-29 19:31:05,518 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:05,519 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:05,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:31:05,519 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:05,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:05,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1010070790, now seen corresponding path program 1 times [2020-11-29 19:31:05,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:05,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116704941] [2020-11-29 19:31:05,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-29 19:31:05,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116704941] [2020-11-29 19:31:05,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:05,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:05,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776519389] [2020-11-29 19:31:05,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:05,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:05,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:05,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:05,787 INFO L87 Difference]: Start difference. First operand 2456 states and 2976 transitions. Second operand 3 states. [2020-11-29 19:31:07,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:07,193 INFO L93 Difference]: Finished difference Result 6200 states and 7608 transitions. [2020-11-29 19:31:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:07,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-11-29 19:31:07,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:07,217 INFO L225 Difference]: With dead ends: 6200 [2020-11-29 19:31:07,218 INFO L226 Difference]: Without dead ends: 3746 [2020-11-29 19:31:07,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:07,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3746 states. [2020-11-29 19:31:07,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3746 to 3562. [2020-11-29 19:31:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3562 states. [2020-11-29 19:31:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4310 transitions. [2020-11-29 19:31:07,319 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4310 transitions. Word has length 247 [2020-11-29 19:31:07,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:07,324 INFO L481 AbstractCegarLoop]: Abstraction has 3562 states and 4310 transitions. [2020-11-29 19:31:07,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:07,325 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4310 transitions. [2020-11-29 19:31:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-29 19:31:07,331 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:07,331 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:07,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:31:07,333 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:07,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:07,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1426946071, now seen corresponding path program 1 times [2020-11-29 19:31:07,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:07,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573998256] [2020-11-29 19:31:07,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-11-29 19:31:07,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573998256] [2020-11-29 19:31:07,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:07,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:07,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345469340] [2020-11-29 19:31:07,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:07,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:07,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:07,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:07,689 INFO L87 Difference]: Start difference. First operand 3562 states and 4310 transitions. Second operand 3 states. [2020-11-29 19:31:09,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:09,146 INFO L93 Difference]: Finished difference Result 8242 states and 9981 transitions. [2020-11-29 19:31:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:09,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-11-29 19:31:09,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:09,171 INFO L225 Difference]: With dead ends: 8242 [2020-11-29 19:31:09,171 INFO L226 Difference]: Without dead ends: 4682 [2020-11-29 19:31:09,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:09,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2020-11-29 19:31:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4482. [2020-11-29 19:31:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4482 states. [2020-11-29 19:31:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4482 states and 5392 transitions. [2020-11-29 19:31:09,279 INFO L78 Accepts]: Start accepts. Automaton has 4482 states and 5392 transitions. Word has length 268 [2020-11-29 19:31:09,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:09,280 INFO L481 AbstractCegarLoop]: Abstraction has 4482 states and 5392 transitions. [2020-11-29 19:31:09,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4482 states and 5392 transitions. [2020-11-29 19:31:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-11-29 19:31:09,289 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:09,289 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:09,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:31:09,290 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:09,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:09,290 INFO L82 PathProgramCache]: Analyzing trace with hash 477165143, now seen corresponding path program 1 times [2020-11-29 19:31:09,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:09,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862732010] [2020-11-29 19:31:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-29 19:31:09,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862732010] [2020-11-29 19:31:09,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:09,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:09,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220642202] [2020-11-29 19:31:09,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:09,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:09,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:09,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:09,568 INFO L87 Difference]: Start difference. First operand 4482 states and 5392 transitions. Second operand 3 states. [2020-11-29 19:31:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:10,885 INFO L93 Difference]: Finished difference Result 11170 states and 13610 transitions. [2020-11-29 19:31:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:10,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 285 [2020-11-29 19:31:10,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:10,932 INFO L225 Difference]: With dead ends: 11170 [2020-11-29 19:31:10,932 INFO L226 Difference]: Without dead ends: 6690 [2020-11-29 19:31:10,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:10,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6690 states. [2020-11-29 19:31:11,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6690 to 6690. [2020-11-29 19:31:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6690 states. [2020-11-29 19:31:11,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6690 states to 6690 states and 8074 transitions. [2020-11-29 19:31:11,077 INFO L78 Accepts]: Start accepts. Automaton has 6690 states and 8074 transitions. Word has length 285 [2020-11-29 19:31:11,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:11,078 INFO L481 AbstractCegarLoop]: Abstraction has 6690 states and 8074 transitions. [2020-11-29 19:31:11,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 6690 states and 8074 transitions. [2020-11-29 19:31:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-11-29 19:31:11,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:11,091 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:11,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:31:11,092 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:11,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:11,093 INFO L82 PathProgramCache]: Analyzing trace with hash -630175930, now seen corresponding path program 1 times [2020-11-29 19:31:11,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:11,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118869446] [2020-11-29 19:31:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:31:11,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118869446] [2020-11-29 19:31:11,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:11,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:11,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862497440] [2020-11-29 19:31:11,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:31:11,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:11,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:31:11,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:31:11,408 INFO L87 Difference]: Start difference. First operand 6690 states and 8074 transitions. Second operand 4 states. [2020-11-29 19:31:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:13,526 INFO L93 Difference]: Finished difference Result 20217 states and 24675 transitions. [2020-11-29 19:31:13,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:31:13,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 326 [2020-11-29 19:31:13,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:13,587 INFO L225 Difference]: With dead ends: 20217 [2020-11-29 19:31:13,587 INFO L226 Difference]: Without dead ends: 13529 [2020-11-29 19:31:13,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:31:13,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13529 states. [2020-11-29 19:31:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13529 to 13526. [2020-11-29 19:31:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13526 states. [2020-11-29 19:31:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13526 states to 13526 states and 16299 transitions. [2020-11-29 19:31:13,974 INFO L78 Accepts]: Start accepts. Automaton has 13526 states and 16299 transitions. Word has length 326 [2020-11-29 19:31:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:13,975 INFO L481 AbstractCegarLoop]: Abstraction has 13526 states and 16299 transitions. [2020-11-29 19:31:13,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:31:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 13526 states and 16299 transitions. [2020-11-29 19:31:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-11-29 19:31:13,995 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:13,996 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:13,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:31:13,997 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:13,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1946779306, now seen corresponding path program 1 times [2020-11-29 19:31:13,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:13,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588313043] [2020-11-29 19:31:13,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-11-29 19:31:14,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588313043] [2020-11-29 19:31:14,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:14,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:14,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991978943] [2020-11-29 19:31:14,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:14,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:14,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:14,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:14,382 INFO L87 Difference]: Start difference. First operand 13526 states and 16299 transitions. Second operand 3 states. [2020-11-29 19:31:15,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:15,773 INFO L93 Difference]: Finished difference Result 29991 states and 36289 transitions. [2020-11-29 19:31:15,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:15,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-11-29 19:31:15,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:15,809 INFO L225 Difference]: With dead ends: 29991 [2020-11-29 19:31:15,809 INFO L226 Difference]: Without dead ends: 16835 [2020-11-29 19:31:15,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:15,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16835 states. [2020-11-29 19:31:16,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16835 to 16466. [2020-11-29 19:31:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16466 states. [2020-11-29 19:31:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16466 states to 16466 states and 19545 transitions. [2020-11-29 19:31:16,109 INFO L78 Accepts]: Start accepts. Automaton has 16466 states and 19545 transitions. Word has length 327 [2020-11-29 19:31:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:16,110 INFO L481 AbstractCegarLoop]: Abstraction has 16466 states and 19545 transitions. [2020-11-29 19:31:16,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 16466 states and 19545 transitions. [2020-11-29 19:31:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-11-29 19:31:16,133 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:16,134 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:16,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:31:16,134 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:16,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:16,135 INFO L82 PathProgramCache]: Analyzing trace with hash 653729669, now seen corresponding path program 1 times [2020-11-29 19:31:16,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:16,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779229743] [2020-11-29 19:31:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-11-29 19:31:16,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779229743] [2020-11-29 19:31:16,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:16,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:16,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875516781] [2020-11-29 19:31:16,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:16,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:16,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:16,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:16,504 INFO L87 Difference]: Start difference. First operand 16466 states and 19545 transitions. Second operand 3 states. [2020-11-29 19:31:17,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:17,984 INFO L93 Difference]: Finished difference Result 30897 states and 36837 transitions. [2020-11-29 19:31:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:17,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2020-11-29 19:31:17,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:18,022 INFO L225 Difference]: With dead ends: 30897 [2020-11-29 19:31:18,022 INFO L226 Difference]: Without dead ends: 16094 [2020-11-29 19:31:18,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:18,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16094 states. [2020-11-29 19:31:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16094 to 14434. [2020-11-29 19:31:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14434 states. [2020-11-29 19:31:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14434 states to 14434 states and 16432 transitions. [2020-11-29 19:31:18,400 INFO L78 Accepts]: Start accepts. Automaton has 14434 states and 16432 transitions. Word has length 345 [2020-11-29 19:31:18,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:18,401 INFO L481 AbstractCegarLoop]: Abstraction has 14434 states and 16432 transitions. [2020-11-29 19:31:18,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:18,402 INFO L276 IsEmpty]: Start isEmpty. Operand 14434 states and 16432 transitions. [2020-11-29 19:31:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-11-29 19:31:18,417 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:18,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:18,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:31:18,419 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:18,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:18,419 INFO L82 PathProgramCache]: Analyzing trace with hash -465096926, now seen corresponding path program 1 times [2020-11-29 19:31:18,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:18,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170784021] [2020-11-29 19:31:18,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-11-29 19:31:18,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170784021] [2020-11-29 19:31:18,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:18,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:18,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975939396] [2020-11-29 19:31:18,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:18,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:18,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:18,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:18,815 INFO L87 Difference]: Start difference. First operand 14434 states and 16432 transitions. Second operand 3 states. [2020-11-29 19:31:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:20,206 INFO L93 Difference]: Finished difference Result 31078 states and 35577 transitions. [2020-11-29 19:31:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:20,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 349 [2020-11-29 19:31:20,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:20,238 INFO L225 Difference]: With dead ends: 31078 [2020-11-29 19:31:20,242 INFO L226 Difference]: Without dead ends: 17014 [2020-11-29 19:31:20,264 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:20,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17014 states. [2020-11-29 19:31:20,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17014 to 16089. [2020-11-29 19:31:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16089 states. [2020-11-29 19:31:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16089 states to 16089 states and 18127 transitions. [2020-11-29 19:31:20,651 INFO L78 Accepts]: Start accepts. Automaton has 16089 states and 18127 transitions. Word has length 349 [2020-11-29 19:31:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:20,653 INFO L481 AbstractCegarLoop]: Abstraction has 16089 states and 18127 transitions. [2020-11-29 19:31:20,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:20,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16089 states and 18127 transitions. [2020-11-29 19:31:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-11-29 19:31:20,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:20,679 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:20,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:31:20,679 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:20,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:20,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1553734827, now seen corresponding path program 1 times [2020-11-29 19:31:20,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:20,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128043150] [2020-11-29 19:31:20,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-11-29 19:31:21,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128043150] [2020-11-29 19:31:21,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:21,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:31:21,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521848060] [2020-11-29 19:31:21,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:21,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:21,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:21,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:21,003 INFO L87 Difference]: Start difference. First operand 16089 states and 18127 transitions. Second operand 3 states. [2020-11-29 19:31:22,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:22,762 INFO L93 Difference]: Finished difference Result 34209 states and 38755 transitions. [2020-11-29 19:31:22,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:22,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 406 [2020-11-29 19:31:22,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:22,794 INFO L225 Difference]: With dead ends: 34209 [2020-11-29 19:31:22,795 INFO L226 Difference]: Without dead ends: 18490 [2020-11-29 19:31:22,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:22,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18490 states. [2020-11-29 19:31:23,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18490 to 17193. [2020-11-29 19:31:23,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17193 states. [2020-11-29 19:31:23,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17193 states to 17193 states and 19199 transitions. [2020-11-29 19:31:23,173 INFO L78 Accepts]: Start accepts. Automaton has 17193 states and 19199 transitions. Word has length 406 [2020-11-29 19:31:23,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:23,174 INFO L481 AbstractCegarLoop]: Abstraction has 17193 states and 19199 transitions. [2020-11-29 19:31:23,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 17193 states and 19199 transitions. [2020-11-29 19:31:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2020-11-29 19:31:23,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:31:23,202 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:31:23,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:31:23,203 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:31:23,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:31:23,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1627982509, now seen corresponding path program 1 times [2020-11-29 19:31:23,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:31:23,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341773220] [2020-11-29 19:31:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:31:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:31:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2020-11-29 19:31:23,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341773220] [2020-11-29 19:31:23,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:31:23,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:31:23,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048919466] [2020-11-29 19:31:23,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:31:23,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:31:23,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:31:23,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:23,764 INFO L87 Difference]: Start difference. First operand 17193 states and 19199 transitions. Second operand 3 states. [2020-11-29 19:31:24,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:31:24,461 INFO L93 Difference]: Finished difference Result 30497 states and 33947 transitions. [2020-11-29 19:31:24,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:31:24,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 441 [2020-11-29 19:31:24,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:31:24,462 INFO L225 Difference]: With dead ends: 30497 [2020-11-29 19:31:24,462 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:31:24,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:31:24,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:31:24,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:31:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:31:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:31:24,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 441 [2020-11-29 19:31:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:31:24,474 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:31:24,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:31:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:31:24,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:31:24,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 19:31:24,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:31:24,598 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 53 [2020-11-29 19:31:24,994 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-11-29 19:31:25,294 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-11-29 19:31:25,298 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:31:25,298 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,298 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:31:25,298 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,298 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,299 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,300 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,301 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,302 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse3 (= ~a25~0 10)) (.cse0 (<= 0 (+ ~a23~0 42))) (.cse5 (<= ~a29~0 130)) (.cse6 (<= ~a25~0 10)) (.cse1 (<= ~a23~0 312)) (.cse4 (= ~a4~0 1)) (.cse2 (<= ~a8~0 15))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and (= ~a25~0 11) .cse1 .cse2) (and .cse3 .cse5 .cse2) (and .cse3 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse2 .cse4) (and .cse6 .cse1 .cse5 .cse2) (and (= ~a25~0 12) .cse2) (and .cse6 .cse1 (< 277 ~a29~0) .cse2) (and (<= ~a29~0 245) .cse4 .cse2))) [2020-11-29 19:31:25,302 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,302 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:31:25,302 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:31:25,302 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,302 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,302 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,303 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,304 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 19:31:25,305 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 19:31:25,305 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 19:31:25,305 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,305 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse3 (= ~a25~0 10)) (.cse0 (<= 0 (+ ~a23~0 42))) (.cse5 (<= ~a29~0 130)) (.cse6 (<= ~a25~0 10)) (.cse1 (<= ~a23~0 312)) (.cse4 (= ~a4~0 1)) (.cse2 (<= ~a8~0 15))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and (= ~a25~0 11) .cse1 .cse2) (and .cse3 .cse5 .cse2) (and .cse3 (<= (+ ~a23~0 599772) 0) .cse4) (and .cse0 .cse2 .cse4) (and .cse6 .cse1 .cse5 .cse2) (and (= ~a25~0 12) .cse2) (and .cse6 .cse1 (< 277 ~a29~0) .cse2) (and (<= ~a29~0 245) .cse4 .cse2))) [2020-11-29 19:31:25,305 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,305 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,312 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,312 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,312 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,312 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,313 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,313 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,313 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 19:31:25,313 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 19:31:25,313 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 19:31:25,313 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:31:25,313 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:31:25,314 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:31:25,314 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:31:25,314 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,314 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,314 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,314 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,314 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,315 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,315 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,315 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,315 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,315 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,315 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:31:25,315 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 19:31:25,316 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 19:31:25,316 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 19:31:25,316 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 19:31:25,316 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,316 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,316 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,316 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,317 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,317 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 19:31:25,317 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 19:31:25,317 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 19:31:25,317 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,317 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,317 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,318 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,318 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:31:25,318 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:31:25,318 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,318 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,318 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,318 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,319 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,319 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,319 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:31:25,319 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:31:25,319 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,319 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,319 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 19:31:25,320 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 19:31:25,320 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 19:31:25,320 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:31:25,320 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:31:25,320 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,320 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,320 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,321 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,321 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,321 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,321 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,321 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 19:31:25,321 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 19:31:25,321 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 19:31:25,322 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:31:25,322 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:31:25,322 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:31:25,322 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:31:25,322 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,322 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,322 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 19:31:25,323 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 19:31:25,324 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 19:31:25,324 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,324 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,324 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,324 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,324 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,324 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,325 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 19:31:25,325 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 19:31:25,325 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 19:31:25,325 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,325 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,325 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,325 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,326 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,326 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,326 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,326 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,326 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 19:31:25,326 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 19:31:25,326 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 19:31:25,327 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,327 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,327 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,327 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,327 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,327 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,327 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:31:25,328 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 19:31:25,329 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 19:31:25,329 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 19:31:25,329 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,329 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,329 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,329 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,329 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,330 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,330 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,330 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 19:31:25,330 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 19:31:25,330 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 19:31:25,330 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,330 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,331 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,331 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:31:25,331 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:31:25,331 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,331 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,331 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,331 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,332 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,332 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 19:31:25,332 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 19:31:25,332 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,332 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,332 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:31:25,332 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:31:25,333 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:31:25,333 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,333 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,333 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,333 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,333 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,334 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,335 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,335 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,335 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,336 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,336 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 19:31:25,337 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 19:31:25,337 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:31:25,337 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:31:25,337 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:31:25,337 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,338 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:31:25,339 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,340 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,340 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 19:31:25,340 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 19:31:25,340 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 19:31:25,340 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 19:31:25,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:31:25 BoogieIcfgContainer [2020-11-29 19:31:25,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:31:25,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:31:25,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:31:25,399 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:31:25,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:30:56" (3/4) ... [2020-11-29 19:31:25,404 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:31:25,448 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:31:25,451 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:31:25,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:31:25,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:31:25,683 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_20e7d0a4-de63-4944-91f4-a9176fdb2474/bin/uautomizer/witness.graphml [2020-11-29 19:31:25,684 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:31:25,685 INFO L168 Benchmark]: Toolchain (without parser) took 32901.10 ms. Allocated memory was 81.8 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 47.5 MB in the beginning and 531.9 MB in the end (delta: -484.5 MB). Peak memory consumption was 989.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:25,686 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 52.5 MB in the beginning and 52.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:31:25,686 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1106.69 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.2 MB in the beginning and 48.3 MB in the end (delta: -1.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:25,687 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.21 ms. Allocated memory is still 104.9 MB. Free memory was 48.3 MB in the beginning and 67.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:25,687 INFO L168 Benchmark]: Boogie Preprocessor took 132.69 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 57.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:25,687 INFO L168 Benchmark]: RCFGBuilder took 2304.58 ms. Allocated memory was 104.9 MB in the beginning and 148.9 MB in the end (delta: 44.0 MB). Free memory was 57.4 MB in the beginning and 103.1 MB in the end (delta: -45.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:25,688 INFO L168 Benchmark]: TraceAbstraction took 28884.63 ms. Allocated memory was 148.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 103.1 MB in the beginning and 558.2 MB in the end (delta: -455.1 MB). Peak memory consumption was 952.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:25,688 INFO L168 Benchmark]: Witness Printer took 285.20 ms. Allocated memory is still 1.6 GB. Free memory was 558.2 MB in the beginning and 531.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:31:25,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 81.8 MB. Free memory was 52.5 MB in the beginning and 52.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1106.69 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.2 MB in the beginning and 48.3 MB in the end (delta: -1.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 175.21 ms. Allocated memory is still 104.9 MB. Free memory was 48.3 MB in the beginning and 67.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 132.69 ms. Allocated memory is still 104.9 MB. Free memory was 67.8 MB in the beginning and 57.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2304.58 ms. Allocated memory was 104.9 MB in the beginning and 148.9 MB in the end (delta: 44.0 MB). Free memory was 57.4 MB in the beginning and 103.1 MB in the end (delta: -45.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 28884.63 ms. Allocated memory was 148.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 103.1 MB in the beginning and 558.2 MB in the end (delta: -455.1 MB). Peak memory consumption was 952.1 MB. Max. memory is 16.1 GB. * Witness Printer took 285.20 ms. Allocated memory is still 1.6 GB. Free memory was 558.2 MB in the beginning and 531.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((0 <= a23 + 42 && a23 <= 312) && a8 <= 15) || ((a25 == 10 && a4 == 1) && a8 <= 15)) || ((a25 == 11 && a23 <= 312) && a8 <= 15)) || ((a25 == 10 && a29 <= 130) && a8 <= 15)) || ((a25 == 10 && a23 + 599772 <= 0) && a4 == 1)) || ((0 <= a23 + 42 && a8 <= 15) && a4 == 1)) || (((a25 <= 10 && a23 <= 312) && a29 <= 130) && a8 <= 15)) || (a25 == 12 && a8 <= 15)) || (((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 <= 15)) || ((a29 <= 245 && a4 == 1) && a8 <= 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((0 <= a23 + 42 && a23 <= 312) && a8 <= 15) || ((a25 == 10 && a4 == 1) && a8 <= 15)) || ((a25 == 11 && a23 <= 312) && a8 <= 15)) || ((a25 == 10 && a29 <= 130) && a8 <= 15)) || ((a25 == 10 && a23 + 599772 <= 0) && a4 == 1)) || ((0 <= a23 + 42 && a8 <= 15) && a4 == 1)) || (((a25 <= 10 && a23 <= 312) && a29 <= 130) && a8 <= 15)) || (a25 == 12 && a8 <= 15)) || (((a25 <= 10 && a23 <= 312) && 277 < a29) && a8 <= 15)) || ((a29 <= 245 && a4 == 1) && a8 <= 15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.8s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2517 SDtfs, 2118 SDslu, 315 SDs, 0 SdLazy, 7963 SolverSat, 1427 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17193occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 5033 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 175 NumberOfFragments, 221 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4252 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 178 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3700 NumberOfCodeBlocks, 3700 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3686 ConstructedInterpolants, 0 QuantifiedInterpolants, 2159764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 3037/3037 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...