./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label58.c -s /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/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-a4ecdab [2020-11-29 19:20:53,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:20:53,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:20:54,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:20:54,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:20:54,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:20:54,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:20:54,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:20:54,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:20:54,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:20:54,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:20:54,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:20:54,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:20:54,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:20:54,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:20:54,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:20:54,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:20:54,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:20:54,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:20:54,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:20:54,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:20:54,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:20:54,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:20:54,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:20:54,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:20:54,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:20:54,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:20:54,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:20:54,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:20:54,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:20:54,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:20:54,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:20:54,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:20:54,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:20:54,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:20:54,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:20:54,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:20:54,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:20:54,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:20:54,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:20:54,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:20:54,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:20:54,205 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:20:54,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:20:54,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:20:54,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:20:54,208 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:20:54,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:20:54,209 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:20:54,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:20:54,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:20:54,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:20:54,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:20:54,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:20:54,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:20:54,212 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:20:54,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:20:54,212 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:20:54,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:20:54,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:20:54,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:20:54,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:20:54,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:20:54,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:20:54,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:20:54,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:20:54,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:20:54,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:20:54,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:20:54,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:20:54,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:20:54,216 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_952f824f-6d1e-45dd-b7a5-703de2a28be1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb37e5bfc98c8361cd2a634ab0bbde639342b14 [2020-11-29 19:20:54,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:20:54,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:20:54,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:20:54,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:20:54,607 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:20:54,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label58.c [2020-11-29 19:20:54,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/data/c19d82ad0/c9181e7a8f9f4313a9110cc0a938e762/FLAG282b68f49 [2020-11-29 19:20:55,569 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:20:55,570 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/sv-benchmarks/c/eca-rers2012/Problem03_label58.c [2020-11-29 19:20:55,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/data/c19d82ad0/c9181e7a8f9f4313a9110cc0a938e762/FLAG282b68f49 [2020-11-29 19:20:55,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/data/c19d82ad0/c9181e7a8f9f4313a9110cc0a938e762 [2020-11-29 19:20:55,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:20:55,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:20:55,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:20:55,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:20:55,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:20:55,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:20:55" (1/1) ... [2020-11-29 19:20:55,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247bf045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:55, skipping insertion in model container [2020-11-29 19:20:55,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:20:55" (1/1) ... [2020-11-29 19:20:55,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:20:55,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:20:56,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:20:56,657 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:20:57,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:20:57,167 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:20:57,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57 WrapperNode [2020-11-29 19:20:57,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:20:57,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:20:57,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:20:57,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:20:57,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:20:57,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:20:57,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:20:57,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:20:57,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... [2020-11-29 19:20:57,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:20:57,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:20:57,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:20:57,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:20:57,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:20:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:20:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:20:57,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:20:57,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:21:00,143 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:21:00,146 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:21:00,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:00 BoogieIcfgContainer [2020-11-29 19:21:00,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:21:00,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:21:00,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:21:00,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:21:00,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:20:55" (1/3) ... [2020-11-29 19:21:00,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11895484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:00, skipping insertion in model container [2020-11-29 19:21:00,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:20:57" (2/3) ... [2020-11-29 19:21:00,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11895484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:00, skipping insertion in model container [2020-11-29 19:21:00,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:00" (3/3) ... [2020-11-29 19:21:00,160 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label58.c [2020-11-29 19:21:00,173 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:21:00,180 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:21:00,194 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:21:00,238 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:21:00,239 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:21:00,239 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:21:00,239 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:21:00,239 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:21:00,239 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:21:00,239 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:21:00,240 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:21:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-29 19:21:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-29 19:21:00,294 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:00,295 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] [2020-11-29 19:21:00,295 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:00,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:00,303 INFO L82 PathProgramCache]: Analyzing trace with hash -415972030, now seen corresponding path program 1 times [2020-11-29 19:21:00,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:00,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926182108] [2020-11-29 19:21:00,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:01,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926182108] [2020-11-29 19:21:01,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:01,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:01,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105799963] [2020-11-29 19:21:01,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:01,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:01,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:01,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:01,180 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-29 19:21:03,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:03,260 INFO L93 Difference]: Finished difference Result 839 states and 1486 transitions. [2020-11-29 19:21:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:03,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-11-29 19:21:03,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:03,281 INFO L225 Difference]: With dead ends: 839 [2020-11-29 19:21:03,281 INFO L226 Difference]: Without dead ends: 458 [2020-11-29 19:21:03,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-11-29 19:21:03,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 447. [2020-11-29 19:21:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2020-11-29 19:21:03,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 710 transitions. [2020-11-29 19:21:03,362 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 710 transitions. Word has length 160 [2020-11-29 19:21:03,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:03,364 INFO L481 AbstractCegarLoop]: Abstraction has 447 states and 710 transitions. [2020-11-29 19:21:03,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:03,364 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 710 transitions. [2020-11-29 19:21:03,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-29 19:21:03,369 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:03,369 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] [2020-11-29 19:21:03,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:21:03,370 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:03,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:03,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1783687384, now seen corresponding path program 1 times [2020-11-29 19:21:03,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:03,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022348372] [2020-11-29 19:21:03,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:03,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022348372] [2020-11-29 19:21:03,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:03,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:03,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429382506] [2020-11-29 19:21:03,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:03,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:03,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:03,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:03,554 INFO L87 Difference]: Start difference. First operand 447 states and 710 transitions. Second operand 3 states. [2020-11-29 19:21:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:04,865 INFO L93 Difference]: Finished difference Result 1298 states and 2071 transitions. [2020-11-29 19:21:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:04,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-11-29 19:21:04,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:04,882 INFO L225 Difference]: With dead ends: 1298 [2020-11-29 19:21:04,882 INFO L226 Difference]: Without dead ends: 853 [2020-11-29 19:21:04,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2020-11-29 19:21:04,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 853. [2020-11-29 19:21:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-11-29 19:21:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1182 transitions. [2020-11-29 19:21:04,944 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1182 transitions. Word has length 166 [2020-11-29 19:21:04,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:04,944 INFO L481 AbstractCegarLoop]: Abstraction has 853 states and 1182 transitions. [2020-11-29 19:21:04,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1182 transitions. [2020-11-29 19:21:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-29 19:21:04,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:04,962 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] [2020-11-29 19:21:04,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:21:04,963 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:04,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:04,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1606929920, now seen corresponding path program 1 times [2020-11-29 19:21:04,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:04,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848462548] [2020-11-29 19:21:04,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:05,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848462548] [2020-11-29 19:21:05,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:05,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:05,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476295721] [2020-11-29 19:21:05,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:05,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:05,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:05,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:05,141 INFO L87 Difference]: Start difference. First operand 853 states and 1182 transitions. Second operand 3 states. [2020-11-29 19:21:05,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:05,831 INFO L93 Difference]: Finished difference Result 1686 states and 2336 transitions. [2020-11-29 19:21:05,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:05,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-11-29 19:21:05,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:05,839 INFO L225 Difference]: With dead ends: 1686 [2020-11-29 19:21:05,839 INFO L226 Difference]: Without dead ends: 835 [2020-11-29 19:21:05,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:05,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2020-11-29 19:21:05,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2020-11-29 19:21:05,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-11-29 19:21:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1126 transitions. [2020-11-29 19:21:05,873 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1126 transitions. Word has length 173 [2020-11-29 19:21:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:05,874 INFO L481 AbstractCegarLoop]: Abstraction has 835 states and 1126 transitions. [2020-11-29 19:21:05,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1126 transitions. [2020-11-29 19:21:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-29 19:21:05,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:05,879 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] [2020-11-29 19:21:05,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:21:05,879 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:05,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:05,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1725348727, now seen corresponding path program 1 times [2020-11-29 19:21:05,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:05,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552613350] [2020-11-29 19:21:05,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:21:05,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552613350] [2020-11-29 19:21:05,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:05,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:05,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145336482] [2020-11-29 19:21:05,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:05,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:05,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:05,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:05,975 INFO L87 Difference]: Start difference. First operand 835 states and 1126 transitions. Second operand 3 states. [2020-11-29 19:21:07,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:07,297 INFO L93 Difference]: Finished difference Result 2489 states and 3360 transitions. [2020-11-29 19:21:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:07,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-11-29 19:21:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:07,308 INFO L225 Difference]: With dead ends: 2489 [2020-11-29 19:21:07,308 INFO L226 Difference]: Without dead ends: 1656 [2020-11-29 19:21:07,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:07,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2020-11-29 19:21:07,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1650. [2020-11-29 19:21:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1650 states. [2020-11-29 19:21:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1650 states and 2178 transitions. [2020-11-29 19:21:07,366 INFO L78 Accepts]: Start accepts. Automaton has 1650 states and 2178 transitions. Word has length 174 [2020-11-29 19:21:07,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:07,366 INFO L481 AbstractCegarLoop]: Abstraction has 1650 states and 2178 transitions. [2020-11-29 19:21:07,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2178 transitions. [2020-11-29 19:21:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-29 19:21:07,372 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:07,372 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] [2020-11-29 19:21:07,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:21:07,373 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:07,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:07,374 INFO L82 PathProgramCache]: Analyzing trace with hash 204441147, now seen corresponding path program 1 times [2020-11-29 19:21:07,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:07,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136471546] [2020-11-29 19:21:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:21:07,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136471546] [2020-11-29 19:21:07,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:07,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:07,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650306963] [2020-11-29 19:21:07,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:07,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:07,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:07,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:07,549 INFO L87 Difference]: Start difference. First operand 1650 states and 2178 transitions. Second operand 3 states. [2020-11-29 19:21:08,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:08,967 INFO L93 Difference]: Finished difference Result 4724 states and 6281 transitions. [2020-11-29 19:21:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:08,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-11-29 19:21:08,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:08,986 INFO L225 Difference]: With dead ends: 4724 [2020-11-29 19:21:08,986 INFO L226 Difference]: Without dead ends: 3076 [2020-11-29 19:21:08,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:08,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2020-11-29 19:21:09,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 3073. [2020-11-29 19:21:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3073 states. [2020-11-29 19:21:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 3073 states and 3930 transitions. [2020-11-29 19:21:09,074 INFO L78 Accepts]: Start accepts. Automaton has 3073 states and 3930 transitions. Word has length 188 [2020-11-29 19:21:09,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:09,075 INFO L481 AbstractCegarLoop]: Abstraction has 3073 states and 3930 transitions. [2020-11-29 19:21:09,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:09,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3930 transitions. [2020-11-29 19:21:09,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-29 19:21:09,083 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:09,083 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] [2020-11-29 19:21:09,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:21:09,083 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:09,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:09,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1762066553, now seen corresponding path program 1 times [2020-11-29 19:21:09,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:09,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981245871] [2020-11-29 19:21:09,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:21:09,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981245871] [2020-11-29 19:21:09,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:09,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:09,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624811544] [2020-11-29 19:21:09,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:09,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:09,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:09,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:09,202 INFO L87 Difference]: Start difference. First operand 3073 states and 3930 transitions. Second operand 3 states. [2020-11-29 19:21:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:10,622 INFO L93 Difference]: Finished difference Result 8802 states and 11331 transitions. [2020-11-29 19:21:10,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:10,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-11-29 19:21:10,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:10,653 INFO L225 Difference]: With dead ends: 8802 [2020-11-29 19:21:10,653 INFO L226 Difference]: Without dead ends: 5731 [2020-11-29 19:21:10,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5731 states. [2020-11-29 19:21:10,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5731 to 5726. [2020-11-29 19:21:10,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5726 states. [2020-11-29 19:21:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 7312 transitions. [2020-11-29 19:21:10,799 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 7312 transitions. Word has length 195 [2020-11-29 19:21:10,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:10,803 INFO L481 AbstractCegarLoop]: Abstraction has 5726 states and 7312 transitions. [2020-11-29 19:21:10,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 7312 transitions. [2020-11-29 19:21:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-29 19:21:10,814 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:10,815 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] [2020-11-29 19:21:10,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 19:21:10,815 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:10,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:10,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1892169962, now seen corresponding path program 1 times [2020-11-29 19:21:10,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:10,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513850406] [2020-11-29 19:21:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:21:11,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513850406] [2020-11-29 19:21:11,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:11,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:11,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119393192] [2020-11-29 19:21:11,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:11,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:11,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:11,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:11,022 INFO L87 Difference]: Start difference. First operand 5726 states and 7312 transitions. Second operand 3 states. [2020-11-29 19:21:12,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:12,384 INFO L93 Difference]: Finished difference Result 15538 states and 20027 transitions. [2020-11-29 19:21:12,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:12,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-11-29 19:21:12,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:12,438 INFO L225 Difference]: With dead ends: 15538 [2020-11-29 19:21:12,438 INFO L226 Difference]: Without dead ends: 10017 [2020-11-29 19:21:12,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:12,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10017 states. [2020-11-29 19:21:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10017 to 10014. [2020-11-29 19:21:12,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10014 states. [2020-11-29 19:21:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10014 states to 10014 states and 12850 transitions. [2020-11-29 19:21:12,705 INFO L78 Accepts]: Start accepts. Automaton has 10014 states and 12850 transitions. Word has length 201 [2020-11-29 19:21:12,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:12,706 INFO L481 AbstractCegarLoop]: Abstraction has 10014 states and 12850 transitions. [2020-11-29 19:21:12,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 10014 states and 12850 transitions. [2020-11-29 19:21:12,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-11-29 19:21:12,727 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:12,727 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] [2020-11-29 19:21:12,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:21:12,728 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:12,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:12,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1450398406, now seen corresponding path program 2 times [2020-11-29 19:21:12,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:12,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68824602] [2020-11-29 19:21:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:21:12,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68824602] [2020-11-29 19:21:12,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473500604] [2020-11-29 19:21:12,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/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 [2020-11-29 19:21:13,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-11-29 19:21:13,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 19:21:13,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:13,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:13,346 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-29 19:21:13,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:21:13,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:21:13,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210525070] [2020-11-29 19:21:13,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:13,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:13,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:13,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:13,349 INFO L87 Difference]: Start difference. First operand 10014 states and 12850 transitions. Second operand 3 states. [2020-11-29 19:21:14,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:14,676 INFO L93 Difference]: Finished difference Result 18609 states and 24001 transitions. [2020-11-29 19:21:14,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:14,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2020-11-29 19:21:14,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:14,736 INFO L225 Difference]: With dead ends: 18609 [2020-11-29 19:21:14,736 INFO L226 Difference]: Without dead ends: 9003 [2020-11-29 19:21:14,749 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 [2020-11-29 19:21:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9003 states. [2020-11-29 19:21:14,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9003 to 8997. [2020-11-29 19:21:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8997 states. [2020-11-29 19:21:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 11132 transitions. [2020-11-29 19:21:15,009 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 11132 transitions. Word has length 202 [2020-11-29 19:21:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:15,009 INFO L481 AbstractCegarLoop]: Abstraction has 8997 states and 11132 transitions. [2020-11-29 19:21:15,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 11132 transitions. [2020-11-29 19:21:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-11-29 19:21:15,020 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:15,020 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] [2020-11-29 19:21:15,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-11-29 19:21:15,221 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:15,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:15,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1815657351, now seen corresponding path program 1 times [2020-11-29 19:21:15,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:15,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250224280] [2020-11-29 19:21:15,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 19:21:15,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250224280] [2020-11-29 19:21:15,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:15,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:15,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345269046] [2020-11-29 19:21:15,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:15,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:15,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:15,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:15,512 INFO L87 Difference]: Start difference. First operand 8997 states and 11132 transitions. Second operand 3 states. [2020-11-29 19:21:16,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:16,706 INFO L93 Difference]: Finished difference Result 21479 states and 26664 transitions. [2020-11-29 19:21:16,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:16,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-11-29 19:21:16,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:16,734 INFO L225 Difference]: With dead ends: 21479 [2020-11-29 19:21:16,735 INFO L226 Difference]: Without dead ends: 12890 [2020-11-29 19:21:16,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:16,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12890 states. [2020-11-29 19:21:16,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12890 to 12888. [2020-11-29 19:21:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12888 states. [2020-11-29 19:21:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12888 states to 12888 states and 15945 transitions. [2020-11-29 19:21:17,098 INFO L78 Accepts]: Start accepts. Automaton has 12888 states and 15945 transitions. Word has length 210 [2020-11-29 19:21:17,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:17,099 INFO L481 AbstractCegarLoop]: Abstraction has 12888 states and 15945 transitions. [2020-11-29 19:21:17,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:17,099 INFO L276 IsEmpty]: Start isEmpty. Operand 12888 states and 15945 transitions. [2020-11-29 19:21:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-29 19:21:17,119 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:17,119 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] [2020-11-29 19:21:17,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:21:17,120 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:17,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:17,120 INFO L82 PathProgramCache]: Analyzing trace with hash 810328517, now seen corresponding path program 1 times [2020-11-29 19:21:17,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:17,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249975951] [2020-11-29 19:21:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:21:17,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249975951] [2020-11-29 19:21:17,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:17,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:17,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033774878] [2020-11-29 19:21:17,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:21:17,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:17,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:21:17,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:17,290 INFO L87 Difference]: Start difference. First operand 12888 states and 15945 transitions. Second operand 4 states. [2020-11-29 19:21:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:18,606 INFO L93 Difference]: Finished difference Result 25380 states and 31477 transitions. [2020-11-29 19:21:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:21:18,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2020-11-29 19:21:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:18,635 INFO L225 Difference]: With dead ends: 25380 [2020-11-29 19:21:18,635 INFO L226 Difference]: Without dead ends: 12900 [2020-11-29 19:21:18,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:18,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12900 states. [2020-11-29 19:21:18,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12900 to 12883. [2020-11-29 19:21:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12883 states. [2020-11-29 19:21:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12883 states to 12883 states and 15781 transitions. [2020-11-29 19:21:18,963 INFO L78 Accepts]: Start accepts. Automaton has 12883 states and 15781 transitions. Word has length 216 [2020-11-29 19:21:18,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:18,964 INFO L481 AbstractCegarLoop]: Abstraction has 12883 states and 15781 transitions. [2020-11-29 19:21:18,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:21:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand 12883 states and 15781 transitions. [2020-11-29 19:21:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-29 19:21:18,980 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:18,980 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] [2020-11-29 19:21:18,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:21:18,981 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:18,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:18,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1271288840, now seen corresponding path program 2 times [2020-11-29 19:21:18,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:18,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274372844] [2020-11-29 19:21:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-11-29 19:21:19,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274372844] [2020-11-29 19:21:19,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:19,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:19,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145265510] [2020-11-29 19:21:19,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:19,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:19,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:19,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:19,094 INFO L87 Difference]: Start difference. First operand 12883 states and 15781 transitions. Second operand 3 states. [2020-11-29 19:21:20,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:20,266 INFO L93 Difference]: Finished difference Result 34912 states and 42943 transitions. [2020-11-29 19:21:20,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:20,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-11-29 19:21:20,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:20,312 INFO L225 Difference]: With dead ends: 34912 [2020-11-29 19:21:20,312 INFO L226 Difference]: Without dead ends: 22437 [2020-11-29 19:21:20,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22437 states. [2020-11-29 19:21:20,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22437 to 22436. [2020-11-29 19:21:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22436 states. [2020-11-29 19:21:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22436 states to 22436 states and 26458 transitions. [2020-11-29 19:21:20,763 INFO L78 Accepts]: Start accepts. Automaton has 22436 states and 26458 transitions. Word has length 217 [2020-11-29 19:21:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:20,764 INFO L481 AbstractCegarLoop]: Abstraction has 22436 states and 26458 transitions. [2020-11-29 19:21:20,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22436 states and 26458 transitions. [2020-11-29 19:21:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-11-29 19:21:20,892 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:20,893 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] [2020-11-29 19:21:20,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:21:20,893 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:20,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:20,898 INFO L82 PathProgramCache]: Analyzing trace with hash 474976091, now seen corresponding path program 1 times [2020-11-29 19:21:20,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:20,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402948294] [2020-11-29 19:21:20,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-29 19:21:21,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402948294] [2020-11-29 19:21:21,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130884276] [2020-11-29 19:21:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/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 [2020-11-29 19:21:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:21,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:21,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-29 19:21:21,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:21:21,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 19:21:21,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458245819] [2020-11-29 19:21:21,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:21,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:21,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:21,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:21,473 INFO L87 Difference]: Start difference. First operand 22436 states and 26458 transitions. Second operand 3 states. [2020-11-29 19:21:22,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:22,563 INFO L93 Difference]: Finished difference Result 44057 states and 52009 transitions. [2020-11-29 19:21:22,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:22,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2020-11-29 19:21:22,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:22,593 INFO L225 Difference]: With dead ends: 44057 [2020-11-29 19:21:22,594 INFO L226 Difference]: Without dead ends: 21826 [2020-11-29 19:21:22,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:22,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21826 states. [2020-11-29 19:21:22,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21826 to 21824. [2020-11-29 19:21:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21824 states. [2020-11-29 19:21:22,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 25114 transitions. [2020-11-29 19:21:22,956 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 25114 transitions. Word has length 242 [2020-11-29 19:21:22,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:22,957 INFO L481 AbstractCegarLoop]: Abstraction has 21824 states and 25114 transitions. [2020-11-29 19:21:22,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 25114 transitions. [2020-11-29 19:21:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-29 19:21:22,976 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:22,976 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] [2020-11-29 19:21:23,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 19:21:23,203 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:23,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:23,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1493363623, now seen corresponding path program 1 times [2020-11-29 19:21:23,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:23,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731022269] [2020-11-29 19:21:23,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 19:21:23,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731022269] [2020-11-29 19:21:23,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100303951] [2020-11-29 19:21:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/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 [2020-11-29 19:21:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:23,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:23,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-29 19:21:23,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:21:23,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:21:23,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379605632] [2020-11-29 19:21:23,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:23,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:23,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:23,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:23,684 INFO L87 Difference]: Start difference. First operand 21824 states and 25114 transitions. Second operand 3 states. [2020-11-29 19:21:25,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:25,030 INFO L93 Difference]: Finished difference Result 51560 states and 59857 transitions. [2020-11-29 19:21:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:25,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-11-29 19:21:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:25,075 INFO L225 Difference]: With dead ends: 51560 [2020-11-29 19:21:25,075 INFO L226 Difference]: Without dead ends: 29941 [2020-11-29 19:21:25,096 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 [2020-11-29 19:21:25,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29941 states. [2020-11-29 19:21:25,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29941 to 29938. [2020-11-29 19:21:25,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29938 states. [2020-11-29 19:21:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29938 states to 29938 states and 33314 transitions. [2020-11-29 19:21:25,615 INFO L78 Accepts]: Start accepts. Automaton has 29938 states and 33314 transitions. Word has length 243 [2020-11-29 19:21:25,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:25,615 INFO L481 AbstractCegarLoop]: Abstraction has 29938 states and 33314 transitions. [2020-11-29 19:21:25,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29938 states and 33314 transitions. [2020-11-29 19:21:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-11-29 19:21:25,639 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:25,640 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] [2020-11-29 19:21:25,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 19:21:25,840 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:25,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:25,841 INFO L82 PathProgramCache]: Analyzing trace with hash -94221166, now seen corresponding path program 1 times [2020-11-29 19:21:25,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:25,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238865463] [2020-11-29 19:21:25,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-11-29 19:21:26,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238865463] [2020-11-29 19:21:26,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239433668] [2020-11-29 19:21:26,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/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 [2020-11-29 19:21:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:26,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:21:26,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-29 19:21:26,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:21:26,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:21:26,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774695374] [2020-11-29 19:21:26,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:26,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:26,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:26,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:26,371 INFO L87 Difference]: Start difference. First operand 29938 states and 33314 transitions. Second operand 3 states. [2020-11-29 19:21:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:27,677 INFO L93 Difference]: Finished difference Result 56392 states and 62753 transitions. [2020-11-29 19:21:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:27,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2020-11-29 19:21:27,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:27,708 INFO L225 Difference]: With dead ends: 56392 [2020-11-29 19:21:27,709 INFO L226 Difference]: Without dead ends: 26659 [2020-11-29 19:21:27,727 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 [2020-11-29 19:21:27,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26659 states. [2020-11-29 19:21:28,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26659 to 26250. [2020-11-29 19:21:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26250 states. [2020-11-29 19:21:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26250 states to 26250 states and 28566 transitions. [2020-11-29 19:21:28,089 INFO L78 Accepts]: Start accepts. Automaton has 26250 states and 28566 transitions. Word has length 269 [2020-11-29 19:21:28,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:28,090 INFO L481 AbstractCegarLoop]: Abstraction has 26250 states and 28566 transitions. [2020-11-29 19:21:28,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 26250 states and 28566 transitions. [2020-11-29 19:21:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-11-29 19:21:28,246 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:28,246 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] [2020-11-29 19:21:28,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 19:21:28,447 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:28,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:28,448 INFO L82 PathProgramCache]: Analyzing trace with hash 180074236, now seen corresponding path program 1 times [2020-11-29 19:21:28,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:28,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617510435] [2020-11-29 19:21:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 87 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-11-29 19:21:28,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617510435] [2020-11-29 19:21:28,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003696472] [2020-11-29 19:21:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/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 [2020-11-29 19:21:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:28,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:21:28,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-29 19:21:28,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 19:21:28,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 19:21:28,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674151352] [2020-11-29 19:21:28,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:28,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:28,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:28,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:21:28,984 INFO L87 Difference]: Start difference. First operand 26250 states and 28566 transitions. Second operand 3 states. [2020-11-29 19:21:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:30,045 INFO L93 Difference]: Finished difference Result 51279 states and 55826 transitions. [2020-11-29 19:21:30,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:30,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 331 [2020-11-29 19:21:30,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:30,046 INFO L225 Difference]: With dead ends: 51279 [2020-11-29 19:21:30,046 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:21:30,063 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 [2020-11-29 19:21:30,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:21:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:21:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:21:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:21:30,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2020-11-29 19:21:30,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:30,064 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:21:30,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:21:30,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:21:30,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 19:21:30,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:21:30,405 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2020-11-29 19:21:30,893 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-11-29 19:21:31,178 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-11-29 19:21:31,183 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-29 19:21:31,183 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-29 19:21:31,183 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,183 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-29 19:21:31,183 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,184 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,184 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,184 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,184 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,184 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,184 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,184 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,238 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,239 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,240 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,241 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,242 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-29 19:21:31,243 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-29 19:21:31,243 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-29 19:21:31,243 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,249 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,250 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,251 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,252 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,253 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-29 19:21:31,254 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 19:21:31,255 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-29 19:21:31,256 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-29 19:21:31,256 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-29 19:21:31,256 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,256 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,256 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,260 INFO L270 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))) [2020-11-29 19:21:31,260 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,260 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,260 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,260 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-29 19:21:31,261 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-29 19:21:31,261 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,261 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,261 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,261 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-29 19:21:31,261 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,261 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,261 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,262 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,262 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,262 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,262 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-29 19:21:31,262 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-29 19:21:31,262 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:21:31,262 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,263 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,264 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-29 19:21:31,264 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-29 19:21:31,264 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,264 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,264 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-29 19:21:31,264 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-29 19:21:31,264 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,265 INFO L270 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))) [2020-11-29 19:21:31,265 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,265 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,265 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,265 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,265 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,266 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-29 19:21:31,267 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,268 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-29 19:21:31,269 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,269 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-29 19:21:31,269 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-29 19:21:31,269 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-29 19:21:31,269 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,269 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,271 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,271 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,271 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,274 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,274 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,275 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,275 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 19:21:31,275 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 19:21:31,275 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,275 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,275 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,276 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-29 19:21:31,277 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,278 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,279 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,280 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,280 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-29 19:21:31,280 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-29 19:21:31,280 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-29 19:21:31,280 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,280 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,280 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 19:21:31,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:21:31 BoogieIcfgContainer [2020-11-29 19:21:31,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:21:31,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:21:31,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:21:31,323 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:21:31,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:00" (3/4) ... [2020-11-29 19:21:31,338 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:21:31,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:21:31,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:21:31,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:21:31,381 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:21:31,622 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_952f824f-6d1e-45dd-b7a5-703de2a28be1/bin/uautomizer/witness.graphml [2020-11-29 19:21:31,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:21:31,623 INFO L168 Benchmark]: Toolchain (without parser) took 35927.89 ms. Allocated memory was 77.6 MB in the beginning and 1.9 GB in the end (delta: 1.9 GB). Free memory was 53.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 252.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:31,623 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:21:31,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1472.19 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 52.8 MB in the beginning and 60.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:31,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 182.83 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 46.0 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:31,625 INFO L168 Benchmark]: Boogie Preprocessor took 165.47 ms. Allocated memory is still 104.9 MB. Free memory was 46.0 MB in the beginning and 59.5 MB in the end (delta: -13.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:31,625 INFO L168 Benchmark]: RCFGBuilder took 2629.36 ms. Allocated memory was 104.9 MB in the beginning and 195.0 MB in the end (delta: 90.2 MB). Free memory was 59.5 MB in the beginning and 126.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:31,625 INFO L168 Benchmark]: TraceAbstraction took 31169.63 ms. Allocated memory was 195.0 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 126.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 963.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:31,626 INFO L168 Benchmark]: Witness Printer took 299.48 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:21:31,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 50.5 MB in the beginning and 50.5 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1472.19 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 52.8 MB in the beginning and 60.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 182.83 ms. Allocated memory is still 104.9 MB. Free memory was 60.6 MB in the beginning and 46.0 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 165.47 ms. Allocated memory is still 104.9 MB. Free memory was 46.0 MB in the beginning and 59.5 MB in the end (delta: -13.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2629.36 ms. Allocated memory was 104.9 MB in the beginning and 195.0 MB in the end (delta: 90.2 MB). Free memory was 59.5 MB in the beginning and 126.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31169.63 ms. Allocated memory was 195.0 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 126.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 963.8 MB. Max. memory is 16.1 GB. * Witness Printer took 299.48 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 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: 30.0s, OverallIterations: 15, TraceHistogramMax: 6, AutomataDifference: 20.0s, 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, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1321 GetRequests, 1295 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s 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: 3.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 468 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 243 NumberOfFragments, 437 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4268 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 214 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 4474 NumberOfCodeBlocks, 4432 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 4454 ConstructedInterpolants, 0 QuantifiedInterpolants, 1719860 SizeOfPredicates, 3 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...