./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label58.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label58.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/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 adb37e5bfc98c8361cd2a634ab0bbde639342b14 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 14:55:59,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:55:59,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:55:59,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:55:59,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:55:59,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:55:59,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:55:59,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:55:59,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:55:59,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:55:59,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:55:59,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:55:59,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:56:00,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:56:00,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:56:00,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:56:00,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:56:00,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:56:00,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:56:00,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:56:00,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:56:00,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:56:00,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:56:00,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:56:00,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:56:00,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:56:00,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:56:00,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:56:00,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:56:00,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:56:00,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:56:00,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:56:00,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:56:00,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:56:00,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:56:00,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:56:00,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:56:00,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:56:00,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:56:00,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:56:00,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:56:00,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 14:56:00,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:56:00,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:56:00,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:56:00,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:56:00,093 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:56:00,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:56:00,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:56:00,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:56:00,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:56:00,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:56:00,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:56:00,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:56:00,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:56:00,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:56:00,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:56:00,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:56:00,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:56:00,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:56:00,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:56:00,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:56:00,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:56:00,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:56:00,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:56:00,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:56:00,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:56:00,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:56:00,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 14:56:00,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:56:00,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:56:00,099 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_f579bf09-350e-47f5-b97c-4ce2224be603/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb37e5bfc98c8361cd2a634ab0bbde639342b14 [2020-12-01 14:56:00,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:56:00,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:56:00,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:56:00,416 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:56:00,417 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:56:00,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label58.c [2020-12-01 14:56:00,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/data/f3af35822/ebecacd6074f4ece827de7e16dc72e61/FLAG81004940a [2020-12-01 14:56:01,243 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:56:01,243 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/sv-benchmarks/c/eca-rers2012/Problem03_label58.c [2020-12-01 14:56:01,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/data/f3af35822/ebecacd6074f4ece827de7e16dc72e61/FLAG81004940a [2020-12-01 14:56:01,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/data/f3af35822/ebecacd6074f4ece827de7e16dc72e61 [2020-12-01 14:56:01,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:56:01,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:56:01,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:56:01,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:56:01,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:56:01,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:56:01" (1/1) ... [2020-12-01 14:56:01,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59418f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:01, skipping insertion in model container [2020-12-01 14:56:01,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:56:01" (1/1) ... [2020-12-01 14:56:01,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:56:01,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:56:02,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:56:02,236 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:56:02,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:56:02,509 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:56:02,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02 WrapperNode [2020-12-01 14:56:02,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:56:02,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:56:02,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:56:02,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:56:02,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:56:02,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:56:02,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:56:02,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:56:02,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... [2020-12-01 14:56:02,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:56:02,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:56:02,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:56:02,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:56:02,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/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 [2020-12-01 14:56:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:56:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:56:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:56:02,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:56:05,130 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:56:05,130 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 14:56:05,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:56:05 BoogieIcfgContainer [2020-12-01 14:56:05,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:56:05,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 14:56:05,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 14:56:05,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 14:56:05,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:56:01" (1/3) ... [2020-12-01 14:56:05,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f98eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:56:05, skipping insertion in model container [2020-12-01 14:56:05,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:56:02" (2/3) ... [2020-12-01 14:56:05,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f98eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:56:05, skipping insertion in model container [2020-12-01 14:56:05,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:56:05" (3/3) ... [2020-12-01 14:56:05,144 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label58.c [2020-12-01 14:56:05,162 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 14:56:05,167 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 14:56:05,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 14:56:05,223 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 14:56:05,224 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 14:56:05,224 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 14:56:05,224 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:56:05,224 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:56:05,224 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 14:56:05,224 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:56:05,225 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 14:56:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-12-01 14:56:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 14:56:05,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:05,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:05,275 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:05,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:05,289 INFO L82 PathProgramCache]: Analyzing trace with hash -415972030, now seen corresponding path program 1 times [2020-12-01 14:56:05,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:05,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437734506] [2020-12-01 14:56:05,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:56:05,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437734506] [2020-12-01 14:56:05,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:05,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:56:05,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441295216] [2020-12-01 14:56:05,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:05,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:06,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:06,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:06,007 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-12-01 14:56:07,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:07,544 INFO L93 Difference]: Finished difference Result 839 states and 1486 transitions. [2020-12-01 14:56:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:07,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-12-01 14:56:07,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:07,563 INFO L225 Difference]: With dead ends: 839 [2020-12-01 14:56:07,563 INFO L226 Difference]: Without dead ends: 458 [2020-12-01 14:56:07,568 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 [2020-12-01 14:56:07,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-12-01 14:56:07,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 447. [2020-12-01 14:56:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-12-01 14:56:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 710 transitions. [2020-12-01 14:56:07,637 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 710 transitions. Word has length 160 [2020-12-01 14:56:07,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:07,639 INFO L481 AbstractCegarLoop]: Abstraction has 447 states and 710 transitions. [2020-12-01 14:56:07,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 710 transitions. [2020-12-01 14:56:07,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-01 14:56:07,644 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:07,644 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:07,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 14:56:07,644 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:07,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:07,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1783687384, now seen corresponding path program 1 times [2020-12-01 14:56:07,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:07,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606440506] [2020-12-01 14:56:07,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:56:07,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606440506] [2020-12-01 14:56:07,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:07,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:56:07,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617405700] [2020-12-01 14:56:07,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:07,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:07,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:07,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:07,848 INFO L87 Difference]: Start difference. First operand 447 states and 710 transitions. Second operand 3 states. [2020-12-01 14:56:08,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:08,974 INFO L93 Difference]: Finished difference Result 1298 states and 2071 transitions. [2020-12-01 14:56:08,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:08,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-12-01 14:56:08,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:08,981 INFO L225 Difference]: With dead ends: 1298 [2020-12-01 14:56:08,981 INFO L226 Difference]: Without dead ends: 853 [2020-12-01 14:56:08,984 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 [2020-12-01 14:56:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-12-01 14:56:09,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2020-12-01 14:56:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-12-01 14:56:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1182 transitions. [2020-12-01 14:56:09,051 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1182 transitions. Word has length 166 [2020-12-01 14:56:09,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:09,051 INFO L481 AbstractCegarLoop]: Abstraction has 853 states and 1182 transitions. [2020-12-01 14:56:09,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:09,052 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1182 transitions. [2020-12-01 14:56:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 14:56:09,060 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:09,060 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:09,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 14:56:09,061 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:09,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:09,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1606929920, now seen corresponding path program 1 times [2020-12-01 14:56:09,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:09,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757521285] [2020-12-01 14:56:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:56:09,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757521285] [2020-12-01 14:56:09,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:09,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:56:09,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136607362] [2020-12-01 14:56:09,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:09,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:09,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:09,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:09,208 INFO L87 Difference]: Start difference. First operand 853 states and 1182 transitions. Second operand 3 states. [2020-12-01 14:56:09,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:09,830 INFO L93 Difference]: Finished difference Result 1686 states and 2336 transitions. [2020-12-01 14:56:09,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:09,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-12-01 14:56:09,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:09,836 INFO L225 Difference]: With dead ends: 1686 [2020-12-01 14:56:09,837 INFO L226 Difference]: Without dead ends: 835 [2020-12-01 14:56:09,838 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 [2020-12-01 14:56:09,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-12-01 14:56:09,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2020-12-01 14:56:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-12-01 14:56:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1126 transitions. [2020-12-01 14:56:09,862 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1126 transitions. Word has length 173 [2020-12-01 14:56:09,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:09,863 INFO L481 AbstractCegarLoop]: Abstraction has 835 states and 1126 transitions. [2020-12-01 14:56:09,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1126 transitions. [2020-12-01 14:56:09,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-01 14:56:09,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:09,869 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:09,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 14:56:09,870 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:09,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1725348727, now seen corresponding path program 1 times [2020-12-01 14:56:09,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:09,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683848274] [2020-12-01 14:56:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 14:56:10,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683848274] [2020-12-01 14:56:10,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:10,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:56:10,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69693324] [2020-12-01 14:56:10,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:10,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:10,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:10,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:10,010 INFO L87 Difference]: Start difference. First operand 835 states and 1126 transitions. Second operand 3 states. [2020-12-01 14:56:11,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:11,124 INFO L93 Difference]: Finished difference Result 2489 states and 3360 transitions. [2020-12-01 14:56:11,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:11,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-12-01 14:56:11,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:11,134 INFO L225 Difference]: With dead ends: 2489 [2020-12-01 14:56:11,134 INFO L226 Difference]: Without dead ends: 1656 [2020-12-01 14:56:11,136 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 [2020-12-01 14:56:11,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-12-01 14:56:11,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1650. [2020-12-01 14:56:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2020-12-01 14:56:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2178 transitions. [2020-12-01 14:56:11,182 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2178 transitions. Word has length 174 [2020-12-01 14:56:11,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:11,183 INFO L481 AbstractCegarLoop]: Abstraction has 1650 states and 2178 transitions. [2020-12-01 14:56:11,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2178 transitions. [2020-12-01 14:56:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 14:56:11,188 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:11,188 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:11,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 14:56:11,189 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:11,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:11,190 INFO L82 PathProgramCache]: Analyzing trace with hash 204441147, now seen corresponding path program 1 times [2020-12-01 14:56:11,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:11,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543035650] [2020-12-01 14:56:11,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 14:56:11,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543035650] [2020-12-01 14:56:11,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:11,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:56:11,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508731936] [2020-12-01 14:56:11,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:11,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:11,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:11,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:11,323 INFO L87 Difference]: Start difference. First operand 1650 states and 2178 transitions. Second operand 3 states. [2020-12-01 14:56:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:12,423 INFO L93 Difference]: Finished difference Result 4724 states and 6281 transitions. [2020-12-01 14:56:12,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:12,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-12-01 14:56:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:12,444 INFO L225 Difference]: With dead ends: 4724 [2020-12-01 14:56:12,444 INFO L226 Difference]: Without dead ends: 3076 [2020-12-01 14:56:12,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:12,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2020-12-01 14:56:12,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3073. [2020-12-01 14:56:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3073 states. [2020-12-01 14:56:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 3073 states and 3930 transitions. [2020-12-01 14:56:12,537 INFO L78 Accepts]: Start accepts. Automaton has 3073 states and 3930 transitions. Word has length 188 [2020-12-01 14:56:12,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:12,569 INFO L481 AbstractCegarLoop]: Abstraction has 3073 states and 3930 transitions. [2020-12-01 14:56:12,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3930 transitions. [2020-12-01 14:56:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-12-01 14:56:12,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:12,577 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:12,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 14:56:12,578 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:12,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:12,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1762066553, now seen corresponding path program 1 times [2020-12-01 14:56:12,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:12,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857779355] [2020-12-01 14:56:12,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 14:56:12,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857779355] [2020-12-01 14:56:12,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:12,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:56:12,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093680943] [2020-12-01 14:56:12,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:12,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:12,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:12,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:12,750 INFO L87 Difference]: Start difference. First operand 3073 states and 3930 transitions. Second operand 3 states. [2020-12-01 14:56:13,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:13,928 INFO L93 Difference]: Finished difference Result 8802 states and 11331 transitions. [2020-12-01 14:56:13,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:13,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-12-01 14:56:13,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:13,961 INFO L225 Difference]: With dead ends: 8802 [2020-12-01 14:56:13,961 INFO L226 Difference]: Without dead ends: 5731 [2020-12-01 14:56:13,965 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 [2020-12-01 14:56:13,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5731 states. [2020-12-01 14:56:14,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5731 to 5726. [2020-12-01 14:56:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5726 states. [2020-12-01 14:56:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 7312 transitions. [2020-12-01 14:56:14,104 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 7312 transitions. Word has length 195 [2020-12-01 14:56:14,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:14,105 INFO L481 AbstractCegarLoop]: Abstraction has 5726 states and 7312 transitions. [2020-12-01 14:56:14,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 7312 transitions. [2020-12-01 14:56:14,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-12-01 14:56:14,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:14,117 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:14,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 14:56:14,117 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:14,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:14,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1892169962, now seen corresponding path program 1 times [2020-12-01 14:56:14,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:14,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243322933] [2020-12-01 14:56:14,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 14:56:14,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243322933] [2020-12-01 14:56:14,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:14,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 14:56:14,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440705048] [2020-12-01 14:56:14,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:14,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:14,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:14,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:14,245 INFO L87 Difference]: Start difference. First operand 5726 states and 7312 transitions. Second operand 3 states. [2020-12-01 14:56:15,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:15,482 INFO L93 Difference]: Finished difference Result 15538 states and 20027 transitions. [2020-12-01 14:56:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:15,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-12-01 14:56:15,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:15,544 INFO L225 Difference]: With dead ends: 15538 [2020-12-01 14:56:15,544 INFO L226 Difference]: Without dead ends: 10017 [2020-12-01 14:56:15,552 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 [2020-12-01 14:56:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10017 states. [2020-12-01 14:56:15,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10017 to 10014. [2020-12-01 14:56:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10014 states. [2020-12-01 14:56:15,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10014 states to 10014 states and 12850 transitions. [2020-12-01 14:56:15,796 INFO L78 Accepts]: Start accepts. Automaton has 10014 states and 12850 transitions. Word has length 201 [2020-12-01 14:56:15,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:15,797 INFO L481 AbstractCegarLoop]: Abstraction has 10014 states and 12850 transitions. [2020-12-01 14:56:15,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 10014 states and 12850 transitions. [2020-12-01 14:56:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-12-01 14:56:15,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:15,815 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:15,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 14:56:15,815 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:15,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:15,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1450398406, now seen corresponding path program 2 times [2020-12-01 14:56:15,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:15,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319145030] [2020-12-01 14:56:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 14:56:15,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319145030] [2020-12-01 14:56:15,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86796352] [2020-12-01 14:56:15,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:56:16,142 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-01 14:56:16,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-01 14:56:16,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:56:16,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 14:56:16,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:56:16,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 14:56:16,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132365146] [2020-12-01 14:56:16,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:16,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:16,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:16,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:16,641 INFO L87 Difference]: Start difference. First operand 10014 states and 12850 transitions. Second operand 3 states. [2020-12-01 14:56:17,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:17,744 INFO L93 Difference]: Finished difference Result 18609 states and 24001 transitions. [2020-12-01 14:56:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:17,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2020-12-01 14:56:17,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:17,801 INFO L225 Difference]: With dead ends: 18609 [2020-12-01 14:56:17,801 INFO L226 Difference]: Without dead ends: 9003 [2020-12-01 14:56:17,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9003 states. [2020-12-01 14:56:18,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9003 to 8997. [2020-12-01 14:56:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8997 states. [2020-12-01 14:56:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 11132 transitions. [2020-12-01 14:56:18,025 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 11132 transitions. Word has length 202 [2020-12-01 14:56:18,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:18,025 INFO L481 AbstractCegarLoop]: Abstraction has 8997 states and 11132 transitions. [2020-12-01 14:56:18,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:18,026 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 11132 transitions. [2020-12-01 14:56:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 14:56:18,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:18,038 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:18,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-01 14:56:18,251 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:18,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:18,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1815657351, now seen corresponding path program 1 times [2020-12-01 14:56:18,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:18,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258721480] [2020-12-01 14:56:18,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 14:56:18,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258721480] [2020-12-01 14:56:18,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:18,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:56:18,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660467545] [2020-12-01 14:56:18,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:18,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:18,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:18,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:18,396 INFO L87 Difference]: Start difference. First operand 8997 states and 11132 transitions. Second operand 3 states. [2020-12-01 14:56:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:19,512 INFO L93 Difference]: Finished difference Result 21479 states and 26664 transitions. [2020-12-01 14:56:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:19,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-12-01 14:56:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:19,538 INFO L225 Difference]: With dead ends: 21479 [2020-12-01 14:56:19,539 INFO L226 Difference]: Without dead ends: 12890 [2020-12-01 14:56:19,548 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 [2020-12-01 14:56:19,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12890 states. [2020-12-01 14:56:19,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12890 to 12888. [2020-12-01 14:56:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12888 states. [2020-12-01 14:56:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12888 states to 12888 states and 15945 transitions. [2020-12-01 14:56:19,730 INFO L78 Accepts]: Start accepts. Automaton has 12888 states and 15945 transitions. Word has length 210 [2020-12-01 14:56:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:19,731 INFO L481 AbstractCegarLoop]: Abstraction has 12888 states and 15945 transitions. [2020-12-01 14:56:19,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12888 states and 15945 transitions. [2020-12-01 14:56:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 14:56:19,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:19,745 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:19,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 14:56:19,745 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:19,746 INFO L82 PathProgramCache]: Analyzing trace with hash 810328517, now seen corresponding path program 1 times [2020-12-01 14:56:19,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:19,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340199881] [2020-12-01 14:56:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 14:56:19,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340199881] [2020-12-01 14:56:19,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:19,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:56:19,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806428485] [2020-12-01 14:56:19,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 14:56:19,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:19,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 14:56:19,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 14:56:19,901 INFO L87 Difference]: Start difference. First operand 12888 states and 15945 transitions. Second operand 4 states. [2020-12-01 14:56:21,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:21,014 INFO L93 Difference]: Finished difference Result 25380 states and 31477 transitions. [2020-12-01 14:56:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 14:56:21,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2020-12-01 14:56:21,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:21,039 INFO L225 Difference]: With dead ends: 25380 [2020-12-01 14:56:21,039 INFO L226 Difference]: Without dead ends: 12900 [2020-12-01 14:56:21,055 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 [2020-12-01 14:56:21,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12900 states. [2020-12-01 14:56:21,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12900 to 12883. [2020-12-01 14:56:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12883 states. [2020-12-01 14:56:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12883 states to 12883 states and 15781 transitions. [2020-12-01 14:56:21,314 INFO L78 Accepts]: Start accepts. Automaton has 12883 states and 15781 transitions. Word has length 216 [2020-12-01 14:56:21,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:21,314 INFO L481 AbstractCegarLoop]: Abstraction has 12883 states and 15781 transitions. [2020-12-01 14:56:21,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 14:56:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 12883 states and 15781 transitions. [2020-12-01 14:56:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-01 14:56:21,330 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:21,330 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:21,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 14:56:21,331 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:21,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:21,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1271288840, now seen corresponding path program 2 times [2020-12-01 14:56:21,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:21,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742125046] [2020-12-01 14:56:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 14:56:21,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742125046] [2020-12-01 14:56:21,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:56:21,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 14:56:21,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180797738] [2020-12-01 14:56:21,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:21,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:21,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:21,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 14:56:21,478 INFO L87 Difference]: Start difference. First operand 12883 states and 15781 transitions. Second operand 3 states. [2020-12-01 14:56:22,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:22,578 INFO L93 Difference]: Finished difference Result 34912 states and 42943 transitions. [2020-12-01 14:56:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:22,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-12-01 14:56:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:22,618 INFO L225 Difference]: With dead ends: 34912 [2020-12-01 14:56:22,618 INFO L226 Difference]: Without dead ends: 22437 [2020-12-01 14:56:22,633 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 [2020-12-01 14:56:22,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22437 states. [2020-12-01 14:56:22,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22437 to 22436. [2020-12-01 14:56:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22436 states. [2020-12-01 14:56:23,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22436 states to 22436 states and 26458 transitions. [2020-12-01 14:56:23,025 INFO L78 Accepts]: Start accepts. Automaton has 22436 states and 26458 transitions. Word has length 217 [2020-12-01 14:56:23,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:23,026 INFO L481 AbstractCegarLoop]: Abstraction has 22436 states and 26458 transitions. [2020-12-01 14:56:23,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:23,026 INFO L276 IsEmpty]: Start isEmpty. Operand 22436 states and 26458 transitions. [2020-12-01 14:56:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 14:56:23,044 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:23,045 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:23,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 14:56:23,045 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:23,050 INFO L82 PathProgramCache]: Analyzing trace with hash 474976091, now seen corresponding path program 1 times [2020-12-01 14:56:23,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:23,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038717673] [2020-12-01 14:56:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-12-01 14:56:23,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038717673] [2020-12-01 14:56:23,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017335131] [2020-12-01 14:56:23,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:56:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:23,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:56:23,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 14:56:23,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:56:23,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 14:56:23,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124235676] [2020-12-01 14:56:23,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:23,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:23,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:23,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:23,645 INFO L87 Difference]: Start difference. First operand 22436 states and 26458 transitions. Second operand 3 states. [2020-12-01 14:56:24,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:24,613 INFO L93 Difference]: Finished difference Result 44057 states and 52009 transitions. [2020-12-01 14:56:24,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:24,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2020-12-01 14:56:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:24,648 INFO L225 Difference]: With dead ends: 44057 [2020-12-01 14:56:24,648 INFO L226 Difference]: Without dead ends: 21826 [2020-12-01 14:56:24,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:24,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21826 states. [2020-12-01 14:56:24,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21826 to 21824. [2020-12-01 14:56:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21824 states. [2020-12-01 14:56:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 25114 transitions. [2020-12-01 14:56:24,922 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 25114 transitions. Word has length 242 [2020-12-01 14:56:24,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:24,922 INFO L481 AbstractCegarLoop]: Abstraction has 21824 states and 25114 transitions. [2020-12-01 14:56:24,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 25114 transitions. [2020-12-01 14:56:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-12-01 14:56:24,937 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:24,938 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:25,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-01 14:56:25,151 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:25,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:25,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1493363623, now seen corresponding path program 1 times [2020-12-01 14:56:25,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:25,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870833074] [2020-12-01 14:56:25,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 14:56:25,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870833074] [2020-12-01 14:56:25,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245779221] [2020-12-01 14:56:25,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:56:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:25,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:56:25,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 14:56:25,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:56:25,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:56:25,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088392018] [2020-12-01 14:56:25,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:25,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:25,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:25,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:25,781 INFO L87 Difference]: Start difference. First operand 21824 states and 25114 transitions. Second operand 3 states. [2020-12-01 14:56:26,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:26,902 INFO L93 Difference]: Finished difference Result 51560 states and 59857 transitions. [2020-12-01 14:56:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:26,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-12-01 14:56:26,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:26,941 INFO L225 Difference]: With dead ends: 51560 [2020-12-01 14:56:26,941 INFO L226 Difference]: Without dead ends: 29941 [2020-12-01 14:56:26,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29941 states. [2020-12-01 14:56:27,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29941 to 29938. [2020-12-01 14:56:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29938 states. [2020-12-01 14:56:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29938 states to 29938 states and 33314 transitions. [2020-12-01 14:56:27,432 INFO L78 Accepts]: Start accepts. Automaton has 29938 states and 33314 transitions. Word has length 243 [2020-12-01 14:56:27,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:27,433 INFO L481 AbstractCegarLoop]: Abstraction has 29938 states and 33314 transitions. [2020-12-01 14:56:27,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:27,433 INFO L276 IsEmpty]: Start isEmpty. Operand 29938 states and 33314 transitions. [2020-12-01 14:56:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-12-01 14:56:27,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:27,482 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:27,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-01 14:56:27,707 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:27,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:27,708 INFO L82 PathProgramCache]: Analyzing trace with hash -94221166, now seen corresponding path program 1 times [2020-12-01 14:56:27,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:27,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831722854] [2020-12-01 14:56:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-12-01 14:56:27,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831722854] [2020-12-01 14:56:27,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922306408] [2020-12-01 14:56:27,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:56:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:28,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 14:56:28,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 14:56:28,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:56:28,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:56:28,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523604660] [2020-12-01 14:56:28,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:28,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:28,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:28,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:28,443 INFO L87 Difference]: Start difference. First operand 29938 states and 33314 transitions. Second operand 3 states. [2020-12-01 14:56:29,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:29,497 INFO L93 Difference]: Finished difference Result 56392 states and 62753 transitions. [2020-12-01 14:56:29,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:29,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-12-01 14:56:29,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:29,527 INFO L225 Difference]: With dead ends: 56392 [2020-12-01 14:56:29,527 INFO L226 Difference]: Without dead ends: 26659 [2020-12-01 14:56:29,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:29,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26659 states. [2020-12-01 14:56:29,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26659 to 26250. [2020-12-01 14:56:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26250 states. [2020-12-01 14:56:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26250 states to 26250 states and 28566 transitions. [2020-12-01 14:56:29,856 INFO L78 Accepts]: Start accepts. Automaton has 26250 states and 28566 transitions. Word has length 269 [2020-12-01 14:56:29,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:29,856 INFO L481 AbstractCegarLoop]: Abstraction has 26250 states and 28566 transitions. [2020-12-01 14:56:29,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 26250 states and 28566 transitions. [2020-12-01 14:56:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-12-01 14:56:29,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:56:29,871 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 14:56:30,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:56:30,073 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:56:30,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:56:30,074 INFO L82 PathProgramCache]: Analyzing trace with hash 180074236, now seen corresponding path program 1 times [2020-12-01 14:56:30,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:56:30,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684366211] [2020-12-01 14:56:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:56:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 87 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-01 14:56:30,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684366211] [2020-12-01 14:56:30,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867418537] [2020-12-01 14:56:30,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 14:56:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:56:30,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 14:56:30,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 14:56:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-12-01 14:56:30,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 14:56:30,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 14:56:30,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826492426] [2020-12-01 14:56:30,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 14:56:30,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:56:30,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 14:56:30,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:30,839 INFO L87 Difference]: Start difference. First operand 26250 states and 28566 transitions. Second operand 3 states. [2020-12-01 14:56:31,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:56:31,813 INFO L93 Difference]: Finished difference Result 51279 states and 55826 transitions. [2020-12-01 14:56:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 14:56:31,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 331 [2020-12-01 14:56:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:56:31,814 INFO L225 Difference]: With dead ends: 51279 [2020-12-01 14:56:31,814 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 14:56:31,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:56:31,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 14:56:31,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 14:56:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 14:56:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 14:56:31,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2020-12-01 14:56:31,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:56:31,828 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:56:31,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 14:56:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:56:31,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 14:56:32,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-01 14:56:32,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 14:56:32,238 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2020-12-01 14:56:32,589 WARN L197 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-12-01 14:56:32,958 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-12-01 14:56:32,960 INFO L262 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-12-01 14:56:32,961 INFO L262 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-12-01 14:56:32,961 INFO L262 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,961 INFO L262 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-12-01 14:56:32,961 INFO L262 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,961 INFO L262 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,961 INFO L262 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,961 INFO L262 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,962 INFO L262 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,962 INFO L262 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,962 INFO L262 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,962 INFO L262 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,962 INFO L262 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,962 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,962 INFO L262 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,963 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-12-01 14:56:32,964 INFO L262 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,965 INFO L262 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-12-01 14:56:32,966 INFO L262 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-12-01 14:56:32,966 INFO L262 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,966 INFO L262 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-12-01 14:56:32,966 INFO L262 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,966 INFO L262 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-12-01 14:56:32,966 INFO L262 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-12-01 14:56:32,966 INFO L262 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,967 INFO L262 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,967 INFO L262 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,967 INFO L262 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,967 INFO L262 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,967 INFO L262 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,967 INFO L262 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,967 INFO L262 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-12-01 14:56:32,968 INFO L262 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,968 INFO L262 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-12-01 14:56:32,968 INFO L262 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-12-01 14:56:32,968 INFO L262 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,968 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,968 INFO L262 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,968 INFO L262 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,969 INFO L262 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 14:56:32,970 INFO L262 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 14:56:32,970 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,970 INFO L262 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,970 INFO L262 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,970 INFO L262 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,971 INFO L262 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,971 INFO L262 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,971 INFO L262 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,971 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,971 INFO L262 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,972 INFO L262 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,972 INFO L262 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-12-01 14:56:32,972 INFO L262 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-12-01 14:56:32,972 INFO L262 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-12-01 14:56:32,972 INFO L262 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,972 INFO L262 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,972 INFO L262 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,973 INFO L262 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-12-01 14:56:32,974 INFO L262 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,975 INFO L262 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,975 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,975 INFO L262 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-12-01 14:56:32,975 INFO L262 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,975 INFO L262 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-12-01 14:56:32,975 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 14:56:32,975 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,976 INFO L262 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-12-01 14:56:32,977 INFO L262 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,978 INFO L262 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,979 INFO L262 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,979 INFO L262 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-12-01 14:56:32,979 INFO L262 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-12-01 14:56:32,979 INFO L262 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-12-01 14:56:32,979 INFO L262 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,979 INFO L262 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,979 INFO L262 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 14:56:32,980 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 14:56:32,981 INFO L262 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-12-01 14:56:32,981 INFO L262 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-12-01 14:56:32,981 INFO L262 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-12-01 14:56:32,981 INFO L262 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-12-01 14:56:32,981 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-12-01 14:56:32,981 INFO L262 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,981 INFO L262 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-12-01 14:56:32,982 INFO L262 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,983 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,984 INFO L262 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-12-01 14:56:32,985 INFO L262 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,986 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,986 INFO L262 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,988 INFO L258 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse5 (= ~a26~0 ~a12~0)) (.cse2 (<= ~a12~0 0)) (.cse3 (= ~a6~0 1)) (.cse8 (= ~a3~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= ~a3~0 0)) (.cse4 (= ~a12~0 1)) (.cse1 (= ~a5~0 1)) (.cse7 (= ~a27~0 1)) (.cse9 (<= 2 ~a3~0)) (.cse6 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse2) (and .cse0 .cse1 .cse2 .cse8) (and .cse4 .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse6 .cse8) (and .cse1 .cse2 .cse6 .cse3) (and .cse4 .cse0 .cse1 .cse5) (and .cse1 .cse2 .cse5 .cse6) (and .cse4 .cse0 .cse1 .cse7 .cse9) (and .cse1 .cse2 .cse6 .cse10) (and .cse1 .cse7 .cse2 .cse6) (and .cse4 .cse1 .cse7 .cse6 .cse3) (and .cse4 .cse1 .cse6 .cse8) (and .cse4 .cse0 .cse1 .cse10) (and .cse4 .cse1 .cse7 .cse9 .cse6))) [2020-12-01 14:56:32,988 INFO L262 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,988 INFO L262 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,988 INFO L262 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,988 INFO L262 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-12-01 14:56:32,988 INFO L262 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-12-01 14:56:32,988 INFO L262 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,989 INFO L262 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,989 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,989 INFO L265 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-12-01 14:56:32,989 INFO L262 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,989 INFO L262 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,989 INFO L262 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,989 INFO L262 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,990 INFO L262 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-12-01 14:56:32,991 INFO L262 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-12-01 14:56:32,992 INFO L262 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,992 INFO L262 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,992 INFO L262 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-12-01 14:56:32,992 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-12-01 14:56:32,992 INFO L262 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,993 INFO L258 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse5 (= ~a26~0 ~a12~0)) (.cse2 (<= ~a12~0 0)) (.cse3 (= ~a6~0 1)) (.cse8 (= ~a3~0 1)) (.cse0 (<= ~a11~0 0)) (.cse10 (<= ~a3~0 0)) (.cse4 (= ~a12~0 1)) (.cse1 (= ~a5~0 1)) (.cse7 (= ~a27~0 1)) (.cse9 (<= 2 ~a3~0)) (.cse6 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse2) (and .cse0 .cse1 .cse2 .cse8) (and .cse4 .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse6 .cse8) (and .cse1 .cse2 .cse6 .cse3) (and .cse4 .cse0 .cse1 .cse5) (and .cse1 .cse2 .cse5 .cse6) (and .cse4 .cse0 .cse1 .cse7 .cse9) (and .cse1 .cse2 .cse6 .cse10) (and .cse1 .cse7 .cse2 .cse6) (and .cse4 .cse1 .cse7 .cse6 .cse3) (and .cse4 .cse1 .cse6 .cse8) (and .cse4 .cse0 .cse1 .cse10) (and .cse4 .cse1 .cse7 .cse9 .cse6))) [2020-12-01 14:56:32,993 INFO L262 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,993 INFO L262 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,993 INFO L262 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,993 INFO L262 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,994 INFO L262 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,995 INFO L262 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,995 INFO L262 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,995 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 14:56:32,995 INFO L262 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-12-01 14:56:32,995 INFO L262 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-12-01 14:56:32,995 INFO L262 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-12-01 14:56:32,995 INFO L262 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,996 INFO L262 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,998 INFO L262 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,998 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-12-01 14:56:32,999 INFO L262 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:32,999 INFO L262 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-12-01 14:56:32,999 INFO L262 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-12-01 14:56:32,999 INFO L262 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-12-01 14:56:32,999 INFO L262 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-12-01 14:56:32,999 INFO L262 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,000 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,000 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,001 INFO L262 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,003 INFO L262 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,003 INFO L262 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,004 INFO L262 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,004 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 14:56:33,004 INFO L262 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 14:56:33,005 INFO L262 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,005 INFO L262 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,005 INFO L262 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-12-01 14:56:33,005 INFO L262 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-12-01 14:56:33,005 INFO L262 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-12-01 14:56:33,005 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,006 INFO L262 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,006 INFO L262 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,006 INFO L262 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,006 INFO L262 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,006 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 14:56:33,006 INFO L262 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,006 INFO L262 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-12-01 14:56:33,007 INFO L262 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 14:56:33,008 INFO L262 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,009 INFO L262 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,010 INFO L262 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-12-01 14:56:33,010 INFO L262 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-12-01 14:56:33,010 INFO L262 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-12-01 14:56:33,010 INFO L262 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,010 INFO L262 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,010 INFO L262 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 14:56:33,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:56:33 BoogieIcfgContainer [2020-12-01 14:56:33,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 14:56:33,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:56:33,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:56:33,068 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:56:33,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:56:05" (3/4) ... [2020-12-01 14:56:33,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 14:56:33,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 14:56:33,115 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 14:56:33,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:56:33,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:56:33,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f579bf09-350e-47f5-b97c-4ce2224be603/bin/uautomizer/witness.graphml [2020-12-01 14:56:33,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:56:33,342 INFO L168 Benchmark]: Toolchain (without parser) took 31941.29 ms. Allocated memory was 94.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 59.8 MB in the beginning and 453.9 MB in the end (delta: -394.1 MB). Peak memory consumption was 731.3 MB. Max. memory is 16.1 GB. [2020-12-01 14:56:33,342 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:56:33,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1108.73 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 59.8 MB in the beginning and 71.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:56:33,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.88 ms. Allocated memory is still 115.3 MB. Free memory was 71.2 MB in the beginning and 56.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:56:33,343 INFO L168 Benchmark]: Boogie Preprocessor took 164.45 ms. Allocated memory is still 115.3 MB. Free memory was 56.5 MB in the beginning and 72.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-12-01 14:56:33,343 INFO L168 Benchmark]: RCFGBuilder took 2323.20 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 72.9 MB in the beginning and 95.2 MB in the end (delta: -22.2 MB). Peak memory consumption was 69.0 MB. Max. memory is 16.1 GB. [2020-12-01 14:56:33,344 INFO L168 Benchmark]: TraceAbstraction took 27931.84 ms. Allocated memory was 163.6 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 94.1 MB in the beginning and 490.6 MB in the end (delta: -396.4 MB). Peak memory consumption was 661.6 MB. Max. memory is 16.1 GB. [2020-12-01 14:56:33,344 INFO L168 Benchmark]: Witness Printer took 273.22 ms. Allocated memory is still 1.2 GB. Free memory was 490.6 MB in the beginning and 453.9 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-12-01 14:56:33,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1108.73 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 59.8 MB in the beginning and 71.2 MB in the end (delta: -11.4 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.88 ms. Allocated memory is still 115.3 MB. Free memory was 71.2 MB in the beginning and 56.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 164.45 ms. Allocated memory is still 115.3 MB. Free memory was 56.5 MB in the beginning and 72.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2323.20 ms. Allocated memory was 115.3 MB in the beginning and 163.6 MB in the end (delta: 48.2 MB). Free memory was 72.9 MB in the beginning and 95.2 MB in the end (delta: -22.2 MB). Peak memory consumption was 69.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 27931.84 ms. Allocated memory was 163.6 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 94.1 MB in the beginning and 490.6 MB in the end (delta: -396.4 MB). Peak memory consumption was 661.6 MB. Max. memory is 16.1 GB. * Witness Printer took 273.22 ms. Allocated memory is still 1.2 GB. Free memory was 490.6 MB in the beginning and 453.9 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((a11 <= 0 && a5 == 1) && a12 <= 0) && a6 == 1) || (((a12 == 1 && a5 == 1) && a26 == a12) && a11 == 1)) || (((a11 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0)) || (((a11 <= 0 && a5 == 1) && a12 <= 0) && a3 == 1)) || (((a12 == 1 && a11 <= 0) && a5 == 1) && a6 == 1)) || (((a5 == 1 && a12 <= 0) && a11 == 1) && a3 == 1)) || (((a5 == 1 && a12 <= 0) && a11 == 1) && a6 == 1)) || (((a12 == 1 && a11 <= 0) && a5 == 1) && a26 == a12)) || (((a5 == 1 && a12 <= 0) && a26 == a12) && a11 == 1)) || ((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && 2 <= a3)) || (((a5 == 1 && a12 <= 0) && a11 == 1) && a3 <= 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a11 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((a12 == 1 && a5 == 1) && a11 == 1) && a3 == 1)) || (((a12 == 1 && a11 <= 0) && a5 == 1) && a3 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((a11 <= 0 && a5 == 1) && a12 <= 0) && a6 == 1) || (((a12 == 1 && a5 == 1) && a26 == a12) && a11 == 1)) || (((a11 <= 0 && a5 == 1) && a27 == 1) && a12 <= 0)) || (((a11 <= 0 && a5 == 1) && a12 <= 0) && a3 == 1)) || (((a12 == 1 && a11 <= 0) && a5 == 1) && a6 == 1)) || (((a5 == 1 && a12 <= 0) && a11 == 1) && a3 == 1)) || (((a5 == 1 && a12 <= 0) && a11 == 1) && a6 == 1)) || (((a12 == 1 && a11 <= 0) && a5 == 1) && a26 == a12)) || (((a5 == 1 && a12 <= 0) && a26 == a12) && a11 == 1)) || ((((a12 == 1 && a11 <= 0) && a5 == 1) && a27 == 1) && 2 <= a3)) || (((a5 == 1 && a12 <= 0) && a11 == 1) && a3 <= 0)) || (((a5 == 1 && a27 == 1) && a12 <= 0) && a11 == 1)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((a12 == 1 && a5 == 1) && a11 == 1) && a3 == 1)) || (((a12 == 1 && a11 <= 0) && a5 == 1) && a3 <= 0)) || ((((a12 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.8s, OverallIterations: 15, TraceHistogramMax: 6, AutomataDifference: 17.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2566 SDtfs, 3482 SDslu, 231 SDs, 0 SdLazy, 8589 SolverSat, 1565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1321 GetRequests, 1295 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29938occurred 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: 2.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 468 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 243 NumberOfFragments, 437 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4268 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 214 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 4474 NumberOfCodeBlocks, 4432 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4454 ConstructedInterpolants, 0 QuantifiedInterpolants, 1719860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2595 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 20 InterpolantComputations, 15 PerfectInterpolantSequences, 2163/2193 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...