./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/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 94596b36b24d04639813cccc1625ed66ec56e5fc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:51:28,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:51:28,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:51:28,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:51:28,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:51:28,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:51:28,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:51:28,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:51:28,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:51:28,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:51:28,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:51:28,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:51:28,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:51:28,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:51:28,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:51:28,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:51:28,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:51:28,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:51:28,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:51:28,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:51:28,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:51:28,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:51:28,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:51:28,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:51:28,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:51:28,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:51:28,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:51:28,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:51:28,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:51:28,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:51:28,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:51:28,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:51:28,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:51:28,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:51:28,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:51:28,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:51:28,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:51:28,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:51:28,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:51:28,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:51:28,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:51:28,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:51:28,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:51:28,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:51:28,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:51:28,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:51:28,527 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:51:28,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:51:28,527 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:51:28,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:51:28,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:51:28,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:51:28,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:51:28,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:51:28,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:51:28,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:51:28,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:51:28,531 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:51:28,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:51:28,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:51:28,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:51:28,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:51:28,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:51:28,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:51:28,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:51:28,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:51:28,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:51:28,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:51:28,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:51:28,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:51:28,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:51:28,535 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_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94596b36b24d04639813cccc1625ed66ec56e5fc [2020-12-01 15:51:28,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:51:28,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:51:28,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:51:28,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:51:28,875 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:51:28,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-12-01 15:51:28,990 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/data/41164053f/dd0c9ee9daa040b686e8b0b8b758feff/FLAG1c2ffae0f [2020-12-01 15:51:29,802 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:51:29,803 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-12-01 15:51:29,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/data/41164053f/dd0c9ee9daa040b686e8b0b8b758feff/FLAG1c2ffae0f [2020-12-01 15:51:30,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/data/41164053f/dd0c9ee9daa040b686e8b0b8b758feff [2020-12-01 15:51:30,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:51:30,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:51:30,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:51:30,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:51:30,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:51:30,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:30,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6a70e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30, skipping insertion in model container [2020-12-01 15:51:30,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:30,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:51:30,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:51:30,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:51:30,624 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:51:30,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:51:30,844 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:51:30,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30 WrapperNode [2020-12-01 15:51:30,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:51:30,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:51:30,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:51:30,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:51:30,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:30,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:51:31,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:51:31,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:51:31,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:51:31,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... [2020-12-01 15:51:31,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:51:31,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:51:31,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:51:31,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:51:31,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:51:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:51:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:51:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:51:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:51:33,333 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:51:33,334 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:51:33,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:33 BoogieIcfgContainer [2020-12-01 15:51:33,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:51:33,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:51:33,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:51:33,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:51:33,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:51:30" (1/3) ... [2020-12-01 15:51:33,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbc2fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:51:33, skipping insertion in model container [2020-12-01 15:51:33,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:51:30" (2/3) ... [2020-12-01 15:51:33,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbc2fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:51:33, skipping insertion in model container [2020-12-01 15:51:33,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:33" (3/3) ... [2020-12-01 15:51:33,345 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-12-01 15:51:33,361 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:51:33,365 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:51:33,377 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:51:33,406 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:51:33,406 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:51:33,407 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:51:33,407 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:51:33,407 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:51:33,407 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:51:33,407 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:51:33,408 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:51:33,429 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-12-01 15:51:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 15:51:33,437 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:33,438 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] [2020-12-01 15:51:33,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:33,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:33,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2020-12-01 15:51:33,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:33,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018345787] [2020-12-01 15:51:33,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:33,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018345787] [2020-12-01 15:51:33,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:33,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:51:33,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965945078] [2020-12-01 15:51:33,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:33,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:33,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:33,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:33,792 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-12-01 15:51:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:35,182 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-12-01 15:51:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:35,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-12-01 15:51:35,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:35,216 INFO L225 Difference]: With dead ends: 670 [2020-12-01 15:51:35,216 INFO L226 Difference]: Without dead ends: 360 [2020-12-01 15:51:35,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-01 15:51:35,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-01 15:51:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-01 15:51:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-12-01 15:51:35,294 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 32 [2020-12-01 15:51:35,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:35,295 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-12-01 15:51:35,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:35,295 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-12-01 15:51:35,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 15:51:35,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:35,301 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:35,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:51:35,301 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:35,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:35,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1061625674, now seen corresponding path program 1 times [2020-12-01 15:51:35,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:35,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505269058] [2020-12-01 15:51:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:35,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505269058] [2020-12-01 15:51:35,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:35,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:51:35,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016745854] [2020-12-01 15:51:35,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:35,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:35,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:35,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:35,579 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-12-01 15:51:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:36,610 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-12-01 15:51:36,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:36,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-01 15:51:36,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:36,620 INFO L225 Difference]: With dead ends: 1076 [2020-12-01 15:51:36,620 INFO L226 Difference]: Without dead ends: 718 [2020-12-01 15:51:36,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:36,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-12-01 15:51:36,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-12-01 15:51:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-01 15:51:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-12-01 15:51:36,698 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 97 [2020-12-01 15:51:36,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:36,699 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-12-01 15:51:36,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-12-01 15:51:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 15:51:36,715 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:36,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:36,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:51:36,716 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:36,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:36,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1786830111, now seen corresponding path program 1 times [2020-12-01 15:51:36,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:36,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724556046] [2020-12-01 15:51:36,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:36,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724556046] [2020-12-01 15:51:36,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:36,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:51:36,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028932936] [2020-12-01 15:51:36,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:36,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:36,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:36,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:36,866 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-12-01 15:51:37,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:37,864 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-12-01 15:51:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:37,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-01 15:51:37,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:37,875 INFO L225 Difference]: With dead ends: 1608 [2020-12-01 15:51:37,875 INFO L226 Difference]: Without dead ends: 894 [2020-12-01 15:51:37,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-01 15:51:37,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-01 15:51:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-01 15:51:37,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-12-01 15:51:37,923 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 98 [2020-12-01 15:51:37,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:37,924 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-12-01 15:51:37,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-12-01 15:51:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 15:51:37,934 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:37,934 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:37,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:51:37,935 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:37,937 INFO L82 PathProgramCache]: Analyzing trace with hash 634828736, now seen corresponding path program 1 times [2020-12-01 15:51:37,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:37,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851198222] [2020-12-01 15:51:37,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:38,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851198222] [2020-12-01 15:51:38,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:38,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:38,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323463561] [2020-12-01 15:51:38,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:51:38,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:38,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:51:38,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:51:38,160 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-12-01 15:51:39,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:39,634 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-12-01 15:51:39,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:51:39,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-12-01 15:51:39,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:39,645 INFO L225 Difference]: With dead ends: 2144 [2020-12-01 15:51:39,646 INFO L226 Difference]: Without dead ends: 1252 [2020-12-01 15:51:39,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:39,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-12-01 15:51:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-12-01 15:51:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-12-01 15:51:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-12-01 15:51:39,685 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 101 [2020-12-01 15:51:39,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:39,685 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-12-01 15:51:39,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:51:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-12-01 15:51:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 15:51:39,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:39,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:39,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:51:39,691 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:39,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:39,692 INFO L82 PathProgramCache]: Analyzing trace with hash 674228702, now seen corresponding path program 1 times [2020-12-01 15:51:39,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:39,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663542048] [2020-12-01 15:51:39,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:39,923 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:39,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663542048] [2020-12-01 15:51:39,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:39,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:39,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311218974] [2020-12-01 15:51:39,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:51:39,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:39,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:51:39,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:51:39,925 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-12-01 15:51:41,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:41,038 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-12-01 15:51:41,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:51:41,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-12-01 15:51:41,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:41,051 INFO L225 Difference]: With dead ends: 2885 [2020-12-01 15:51:41,051 INFO L226 Difference]: Without dead ends: 1608 [2020-12-01 15:51:41,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:51:41,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-12-01 15:51:41,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-12-01 15:51:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-01 15:51:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-12-01 15:51:41,107 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 112 [2020-12-01 15:51:41,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:41,108 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-12-01 15:51:41,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:51:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-12-01 15:51:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 15:51:41,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:41,112 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:41,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:51:41,113 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:41,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:41,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1056457492, now seen corresponding path program 1 times [2020-12-01 15:51:41,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:41,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473884905] [2020-12-01 15:51:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:51:41,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473884905] [2020-12-01 15:51:41,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:41,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:41,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950700811] [2020-12-01 15:51:41,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:41,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:41,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:41,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:41,389 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-12-01 15:51:42,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:42,262 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-12-01 15:51:42,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:42,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-12-01 15:51:42,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:42,278 INFO L225 Difference]: With dead ends: 3922 [2020-12-01 15:51:42,279 INFO L226 Difference]: Without dead ends: 2318 [2020-12-01 15:51:42,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:42,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-01 15:51:42,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-12-01 15:51:42,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-01 15:51:42,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2390 transitions. [2020-12-01 15:51:42,339 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2390 transitions. Word has length 206 [2020-12-01 15:51:42,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:42,342 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2390 transitions. [2020-12-01 15:51:42,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2390 transitions. [2020-12-01 15:51:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-12-01 15:51:42,349 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:42,349 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:42,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:51:42,350 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:42,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:42,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1064146905, now seen corresponding path program 1 times [2020-12-01 15:51:42,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:42,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124799520] [2020-12-01 15:51:42,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-01 15:51:42,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124799520] [2020-12-01 15:51:42,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:42,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:42,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208252878] [2020-12-01 15:51:42,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:51:42,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:42,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:51:42,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:51:42,839 INFO L87 Difference]: Start difference. First operand 2140 states and 2390 transitions. Second operand 4 states. [2020-12-01 15:51:43,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:43,871 INFO L93 Difference]: Finished difference Result 4336 states and 4860 transitions. [2020-12-01 15:51:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:51:43,872 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 323 [2020-12-01 15:51:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:43,885 INFO L225 Difference]: With dead ends: 4336 [2020-12-01 15:51:43,886 INFO L226 Difference]: Without dead ends: 2318 [2020-12-01 15:51:43,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:51:43,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-01 15:51:43,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-12-01 15:51:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-01 15:51:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2305 transitions. [2020-12-01 15:51:43,953 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2305 transitions. Word has length 323 [2020-12-01 15:51:43,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:43,954 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2305 transitions. [2020-12-01 15:51:43,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:51:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2305 transitions. [2020-12-01 15:51:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2020-12-01 15:51:43,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:43,965 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:43,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:51:43,965 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:43,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:43,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1266104268, now seen corresponding path program 1 times [2020-12-01 15:51:43,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:43,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938815189] [2020-12-01 15:51:43,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-01 15:51:44,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938815189] [2020-12-01 15:51:44,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:44,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:44,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797709103] [2020-12-01 15:51:44,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:44,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:44,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:44,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:44,446 INFO L87 Difference]: Start difference. First operand 2140 states and 2305 transitions. Second operand 3 states. [2020-12-01 15:51:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:45,238 INFO L93 Difference]: Finished difference Result 4456 states and 4866 transitions. [2020-12-01 15:51:45,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:45,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 418 [2020-12-01 15:51:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:45,252 INFO L225 Difference]: With dead ends: 4456 [2020-12-01 15:51:45,253 INFO L226 Difference]: Without dead ends: 2496 [2020-12-01 15:51:45,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:45,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-12-01 15:51:45,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-12-01 15:51:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-12-01 15:51:45,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2113 transitions. [2020-12-01 15:51:45,307 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2113 transitions. Word has length 418 [2020-12-01 15:51:45,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:45,309 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2113 transitions. [2020-12-01 15:51:45,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2113 transitions. [2020-12-01 15:51:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2020-12-01 15:51:45,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:45,319 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:45,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-01 15:51:45,320 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:45,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:45,321 INFO L82 PathProgramCache]: Analyzing trace with hash -534362359, now seen corresponding path program 1 times [2020-12-01 15:51:45,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:45,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805441863] [2020-12-01 15:51:45,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:45,739 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-01 15:51:45,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805441863] [2020-12-01 15:51:45,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:45,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:45,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229918324] [2020-12-01 15:51:45,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:45,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:45,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:45,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:45,741 INFO L87 Difference]: Start difference. First operand 1962 states and 2113 transitions. Second operand 3 states. [2020-12-01 15:51:46,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:46,456 INFO L93 Difference]: Finished difference Result 4456 states and 4867 transitions. [2020-12-01 15:51:46,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:46,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 425 [2020-12-01 15:51:46,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:46,473 INFO L225 Difference]: With dead ends: 4456 [2020-12-01 15:51:46,473 INFO L226 Difference]: Without dead ends: 2674 [2020-12-01 15:51:46,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:46,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-12-01 15:51:46,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-12-01 15:51:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-12-01 15:51:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2664 transitions. [2020-12-01 15:51:46,551 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2664 transitions. Word has length 425 [2020-12-01 15:51:46,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:46,552 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2664 transitions. [2020-12-01 15:51:46,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:46,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2664 transitions. [2020-12-01 15:51:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-12-01 15:51:46,569 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:46,570 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:46,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:51:46,570 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:46,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:46,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1304917472, now seen corresponding path program 1 times [2020-12-01 15:51:46,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:46,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612120858] [2020-12-01 15:51:46,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-12-01 15:51:47,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612120858] [2020-12-01 15:51:47,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:47,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:47,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631973828] [2020-12-01 15:51:47,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:47,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:47,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:47,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:47,120 INFO L87 Difference]: Start difference. First operand 2496 states and 2664 transitions. Second operand 3 states. [2020-12-01 15:51:47,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:47,841 INFO L93 Difference]: Finished difference Result 5524 states and 5977 transitions. [2020-12-01 15:51:47,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:47,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 580 [2020-12-01 15:51:47,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:47,860 INFO L225 Difference]: With dead ends: 5524 [2020-12-01 15:51:47,860 INFO L226 Difference]: Without dead ends: 3208 [2020-12-01 15:51:47,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:47,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-12-01 15:51:47,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-12-01 15:51:47,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-12-01 15:51:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3230 transitions. [2020-12-01 15:51:47,930 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3230 transitions. Word has length 580 [2020-12-01 15:51:47,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:47,931 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3230 transitions. [2020-12-01 15:51:47,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3230 transitions. [2020-12-01 15:51:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-12-01 15:51:47,937 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:47,938 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:47,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-01 15:51:47,938 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:47,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1835669971, now seen corresponding path program 1 times [2020-12-01 15:51:47,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:47,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648159316] [2020-12-01 15:51:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1061 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-12-01 15:51:48,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648159316] [2020-12-01 15:51:48,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:51:48,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:51:48,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508984507] [2020-12-01 15:51:48,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:48,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:48,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:48,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:48,671 INFO L87 Difference]: Start difference. First operand 3030 states and 3230 transitions. Second operand 3 states. [2020-12-01 15:51:49,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:49,379 INFO L93 Difference]: Finished difference Result 6592 states and 7101 transitions. [2020-12-01 15:51:49,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:49,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-12-01 15:51:49,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:49,398 INFO L225 Difference]: With dead ends: 6592 [2020-12-01 15:51:49,399 INFO L226 Difference]: Without dead ends: 3742 [2020-12-01 15:51:49,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:51:49,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-12-01 15:51:49,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-12-01 15:51:49,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-12-01 15:51:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3622 transitions. [2020-12-01 15:51:49,480 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3622 transitions. Word has length 598 [2020-12-01 15:51:49,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:49,481 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3622 transitions. [2020-12-01 15:51:49,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3622 transitions. [2020-12-01 15:51:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2020-12-01 15:51:49,488 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:49,489 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2020-12-01 15:51:49,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-01 15:51:49,489 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:49,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:49,490 INFO L82 PathProgramCache]: Analyzing trace with hash -892353197, now seen corresponding path program 1 times [2020-12-01 15:51:49,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:49,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399518824] [2020-12-01 15:51:49,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 792 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-01 15:51:50,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399518824] [2020-12-01 15:51:50,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715102118] [2020-12-01 15:51:50,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:51:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:50,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:51:50,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:51:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-12-01 15:51:51,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:51:51,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 15:51:51,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832087968] [2020-12-01 15:51:51,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:51,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:51,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:51,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:51,551 INFO L87 Difference]: Start difference. First operand 3386 states and 3622 transitions. Second operand 3 states. [2020-12-01 15:51:52,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:52,317 INFO L93 Difference]: Finished difference Result 7660 states and 8182 transitions. [2020-12-01 15:51:52,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:52,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 621 [2020-12-01 15:51:52,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:52,341 INFO L225 Difference]: With dead ends: 7660 [2020-12-01 15:51:52,341 INFO L226 Difference]: Without dead ends: 3564 [2020-12-01 15:51:52,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 621 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:52,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-12-01 15:51:52,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-12-01 15:51:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-12-01 15:51:52,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3600 transitions. [2020-12-01 15:51:52,423 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3600 transitions. Word has length 621 [2020-12-01 15:51:52,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:52,425 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3600 transitions. [2020-12-01 15:51:52,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3600 transitions. [2020-12-01 15:51:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-12-01 15:51:52,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:52,436 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:51:52,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-01 15:51:52,651 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:52,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:52,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1280494018, now seen corresponding path program 1 times [2020-12-01 15:51:52,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:52,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25629495] [2020-12-01 15:51:52,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1204 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-12-01 15:51:53,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25629495] [2020-12-01 15:51:53,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214789239] [2020-12-01 15:51:53,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:51:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:53,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:51:53,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:51:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-01 15:51:55,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:51:55,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 15:51:55,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737276279] [2020-12-01 15:51:55,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:55,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:55,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:55,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:55,067 INFO L87 Difference]: Start difference. First operand 3386 states and 3600 transitions. Second operand 3 states. [2020-12-01 15:51:55,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:55,774 INFO L93 Difference]: Finished difference Result 4278 states and 4538 transitions. [2020-12-01 15:51:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:55,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 768 [2020-12-01 15:51:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:55,799 INFO L225 Difference]: With dead ends: 4278 [2020-12-01 15:51:55,799 INFO L226 Difference]: Without dead ends: 4276 [2020-12-01 15:51:55,801 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:55,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-12-01 15:51:55,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-12-01 15:51:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-12-01 15:51:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-12-01 15:51:55,885 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 768 [2020-12-01 15:51:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:55,886 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-12-01 15:51:55,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-12-01 15:51:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2020-12-01 15:51:55,908 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:51:55,909 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 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] [2020-12-01 15:51:56,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-01 15:51:56,110 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:51:56,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:51:56,110 INFO L82 PathProgramCache]: Analyzing trace with hash -822710306, now seen corresponding path program 1 times [2020-12-01 15:51:56,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:51:56,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745305866] [2020-12-01 15:51:56,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:51:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 1675 proven. 110 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2020-12-01 15:51:56,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745305866] [2020-12-01 15:51:56,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579524993] [2020-12-01 15:51:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:51:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:51:57,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:51:57,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:51:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-12-01 15:51:58,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:51:58,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-01 15:51:58,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915051383] [2020-12-01 15:51:58,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:51:58,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:51:58,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:51:58,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:58,355 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-12-01 15:51:59,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:51:59,101 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-12-01 15:51:59,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:51:59,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 799 [2020-12-01 15:51:59,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:51:59,104 INFO L225 Difference]: With dead ends: 7302 [2020-12-01 15:51:59,104 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:51:59,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 802 GetRequests, 799 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:51:59,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:51:59,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:51:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:51:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:51:59,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 799 [2020-12-01 15:51:59,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:51:59,112 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:51:59,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:51:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:51:59,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:51:59,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-01 15:51:59,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:51:59,571 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-12-01 15:51:59,720 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,723 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-01 15:51:59,724 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-01 15:51:59,725 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,726 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-01 15:51:59,727 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-01 15:51:59,728 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-01 15:51:59,729 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-01 15:51:59,730 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-01 15:51:59,730 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-01 15:51:59,730 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-01 15:51:59,730 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-01 15:51:59,730 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:51:59,730 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,730 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,731 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,731 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-01 15:51:59,731 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-01 15:51:59,731 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-01 15:51:59,731 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-01 15:51:59,731 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-01 15:51:59,732 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-01 15:51:59,732 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-01 15:51:59,732 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-01 15:51:59,732 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-01 15:51:59,732 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,732 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,732 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,733 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-01 15:51:59,733 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-01 15:51:59,733 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-01 15:51:59,733 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-01 15:51:59,733 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-01 15:51:59,733 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-01 15:51:59,734 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-01 15:51:59,734 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-01 15:51:59,734 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,734 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,734 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,734 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-01 15:51:59,734 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-01 15:51:59,735 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-01 15:51:59,735 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:51:59,735 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-01 15:51:59,735 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:51:59,735 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-01 15:51:59,735 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-01 15:51:59,737 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-01 15:51:59,737 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-01 15:51:59,737 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,737 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,737 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,737 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-01 15:51:59,737 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-01 15:51:59,738 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-01 15:51:59,738 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-01 15:51:59,738 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-01 15:51:59,738 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-01 15:51:59,738 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-01 15:51:59,738 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-01 15:51:59,739 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,739 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,739 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,739 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-01 15:51:59,739 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-01 15:51:59,739 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-01 15:51:59,739 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-01 15:51:59,740 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-01 15:51:59,740 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-01 15:51:59,740 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-01 15:51:59,740 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-01 15:51:59,740 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,740 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,741 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,741 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-01 15:51:59,741 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-01 15:51:59,741 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-01 15:51:59,741 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-01 15:51:59,741 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-01 15:51:59,742 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-01 15:51:59,742 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-01 15:51:59,742 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-01 15:51:59,742 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,742 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,742 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,742 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-01 15:51:59,743 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-01 15:51:59,743 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-01 15:51:59,743 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-01 15:51:59,743 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-01 15:51:59,743 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-01 15:51:59,743 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:51:59,743 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-01 15:51:59,744 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-01 15:51:59,744 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,744 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,744 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,744 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-01 15:51:59,744 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-01 15:51:59,744 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-01 15:51:59,745 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-01 15:51:59,745 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-01 15:51:59,745 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-01 15:51:59,745 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-01 15:51:59,745 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-01 15:51:59,745 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,746 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,746 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-01 15:51:59,746 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-01 15:51:59,746 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-01 15:51:59,746 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-01 15:51:59,746 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-01 15:51:59,746 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-01 15:51:59,747 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-01 15:51:59,747 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-01 15:51:59,747 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,747 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,747 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-01 15:51:59,747 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:51:59,747 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-01 15:51:59,748 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-01 15:51:59,748 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-01 15:51:59,748 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-01 15:51:59,748 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-01 15:51:59,748 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,748 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,750 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-12-01 15:51:59,750 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-01 15:51:59,751 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-01 15:51:59,751 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-01 15:51:59,751 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-01 15:51:59,751 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-01 15:51:59,751 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-01 15:51:59,751 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-01 15:51:59,752 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-01 15:51:59,752 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,752 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,752 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-01 15:51:59,752 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-01 15:51:59,752 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-01 15:51:59,752 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-01 15:51:59,753 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-01 15:51:59,753 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-01 15:51:59,753 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-01 15:51:59,753 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-01 15:51:59,753 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,753 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,754 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:51:59,754 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-01 15:51:59,754 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-01 15:51:59,754 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-01 15:51:59,754 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-01 15:51:59,754 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-01 15:51:59,754 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-01 15:51:59,755 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,755 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,755 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-01 15:51:59,755 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,755 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-01 15:51:59,756 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-12-01 15:51:59,756 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-01 15:51:59,756 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-01 15:51:59,757 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-01 15:51:59,757 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-01 15:51:59,757 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-01 15:51:59,757 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-01 15:51:59,757 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-01 15:51:59,757 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-01 15:51:59,757 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-01 15:51:59,758 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,758 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,758 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-01 15:51:59,758 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-01 15:51:59,758 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-01 15:51:59,758 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-01 15:51:59,759 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-01 15:51:59,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:51:59 BoogieIcfgContainer [2020-12-01 15:51:59,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:51:59,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:51:59,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:51:59,802 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:51:59,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:51:33" (3/4) ... [2020-12-01 15:51:59,806 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:51:59,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:51:59,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:51:59,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:51:59,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:52:00,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0b254c5-2bbb-44f8-ae94-2a68b6088c28/bin/uautomizer/witness.graphml [2020-12-01 15:52:00,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:52:00,077 INFO L168 Benchmark]: Toolchain (without parser) took 30069.21 ms. Allocated memory was 98.6 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 69.9 MB in the beginning and 738.9 MB in the end (delta: -669.0 MB). Peak memory consumption was 470.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:00,078 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory is still 54.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:52:00,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 837.75 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 54.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:00,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.28 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 54.3 MB in the beginning and 97.8 MB in the end (delta: -43.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:00,080 INFO L168 Benchmark]: Boogie Preprocessor took 160.70 ms. Allocated memory is still 125.8 MB. Free memory was 97.8 MB in the beginning and 91.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:00,080 INFO L168 Benchmark]: RCFGBuilder took 2167.79 ms. Allocated memory is still 125.8 MB. Free memory was 91.4 MB in the beginning and 74.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:00,080 INFO L168 Benchmark]: TraceAbstraction took 26463.37 ms. Allocated memory was 125.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 74.2 MB in the beginning and 757.8 MB in the end (delta: -683.6 MB). Peak memory consumption was 427.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:00,081 INFO L168 Benchmark]: Witness Printer took 274.26 ms. Allocated memory is still 1.2 GB. Free memory was 757.8 MB in the beginning and 738.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:00,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 98.6 MB. Free memory is still 54.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 837.75 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 54.3 MB in the end (delta: 15.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 158.28 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 54.3 MB in the beginning and 97.8 MB in the end (delta: -43.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 160.70 ms. Allocated memory is still 125.8 MB. Free memory was 97.8 MB in the beginning and 91.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2167.79 ms. Allocated memory is still 125.8 MB. Free memory was 91.4 MB in the beginning and 74.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 63.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26463.37 ms. Allocated memory was 125.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 74.2 MB in the beginning and 757.8 MB in the end (delta: -683.6 MB). Peak memory consumption was 427.9 MB. Max. memory is 16.1 GB. * Witness Printer took 274.26 ms. Allocated memory is still 1.2 GB. Free memory was 757.8 MB in the beginning and 738.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.9s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1921 SDtfs, 2049 SDslu, 79 SDs, 0 SdLazy, 7188 SolverSat, 968 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2228 GetRequests, 2204 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 2676 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1870 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 7366 NumberOfCodeBlocks, 7366 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7349 ConstructedInterpolants, 0 QuantifiedInterpolants, 7792837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2802 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 13916/14291 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...