./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/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 a82950ae3606f460774148ab092b973f3180dbf1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:32:18,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:32:18,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:32:18,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:32:18,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:32:18,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:32:18,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:32:18,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:32:18,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:32:18,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:32:18,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:32:18,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:32:18,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:32:18,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:32:18,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:32:18,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:32:18,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:32:18,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:32:18,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:32:18,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:32:18,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:32:18,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:32:18,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:32:18,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:32:18,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:32:18,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:32:18,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:32:18,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:32:18,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:32:18,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:32:18,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:32:18,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:32:18,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:32:18,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:32:18,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:32:18,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:32:18,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:32:18,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:32:18,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:32:18,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:32:18,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:32:18,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:32:18,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:32:18,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:32:18,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:32:18,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:32:18,571 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:32:18,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:32:18,571 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:32:18,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:32:18,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:32:18,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:32:18,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:32:18,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:32:18,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:32:18,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:32:18,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:32:18,575 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:32:18,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:32:18,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:32:18,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:32:18,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:32:18,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:32:18,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:32:18,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:32:18,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:32:18,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:32:18,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:32:18,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:32:18,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:32:18,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:32:18,580 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_cdac73e9-6cc0-4dad-8824-607797ab2940/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82950ae3606f460774148ab092b973f3180dbf1 [2020-11-29 23:32:18,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:32:18,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:32:18,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:32:18,875 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:32:18,881 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:32:18,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2020-11-29 23:32:18,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/data/1735e141f/cacc3d29a13943f5990e82164f8f2ddf/FLAG0c23f7914 [2020-11-29 23:32:19,494 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:32:19,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2020-11-29 23:32:19,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/data/1735e141f/cacc3d29a13943f5990e82164f8f2ddf/FLAG0c23f7914 [2020-11-29 23:32:19,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/data/1735e141f/cacc3d29a13943f5990e82164f8f2ddf [2020-11-29 23:32:19,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:32:19,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:32:19,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:19,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:32:19,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:32:19,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:19" (1/1) ... [2020-11-29 23:32:19,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d92ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:19, skipping insertion in model container [2020-11-29 23:32:19,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:32:19" (1/1) ... [2020-11-29 23:32:19,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:32:19,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:32:20,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:20,079 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:32:20,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:32:20,113 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:32:20,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20 WrapperNode [2020-11-29 23:32:20,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:32:20,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:20,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:32:20,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:32:20,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:32:20,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:32:20,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:32:20,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:32:20,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... [2020-11-29 23:32:20,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:32:20,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:32:20,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:32:20,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:32:20,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:32:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:32:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:32:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:32:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:32:20,638 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:32:20,638 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-29 23:32:20,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:20 BoogieIcfgContainer [2020-11-29 23:32:20,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:32:20,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:32:20,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:32:20,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:32:20,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:32:19" (1/3) ... [2020-11-29 23:32:20,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3ec569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:20, skipping insertion in model container [2020-11-29 23:32:20,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:32:20" (2/3) ... [2020-11-29 23:32:20,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3ec569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:32:20, skipping insertion in model container [2020-11-29 23:32:20,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:20" (3/3) ... [2020-11-29 23:32:20,653 INFO L111 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound1.c [2020-11-29 23:32:20,671 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:32:20,676 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-11-29 23:32:20,686 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-11-29 23:32:20,708 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:32:20,708 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:32:20,708 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:32:20,708 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:32:20,708 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:32:20,709 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:32:20,709 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:32:20,709 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:32:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-11-29 23:32:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:32:20,730 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:20,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:20,732 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:20,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:20,738 INFO L82 PathProgramCache]: Analyzing trace with hash 330581779, now seen corresponding path program 1 times [2020-11-29 23:32:20,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:20,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33645053] [2020-11-29 23:32:20,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:20,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33645053] [2020-11-29 23:32:20,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:20,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:32:20,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946772648] [2020-11-29 23:32:20,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:32:21,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:21,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:32:21,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:32:21,023 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2020-11-29 23:32:21,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:21,055 INFO L93 Difference]: Finished difference Result 83 states and 114 transitions. [2020-11-29 23:32:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:32:21,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 23:32:21,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:21,069 INFO L225 Difference]: With dead ends: 83 [2020-11-29 23:32:21,069 INFO L226 Difference]: Without dead ends: 39 [2020-11-29 23:32:21,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:32:21,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-29 23:32:21,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-29 23:32:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-29 23:32:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-11-29 23:32:21,116 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 11 [2020-11-29 23:32:21,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:21,117 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-11-29 23:32:21,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:32:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-11-29 23:32:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 23:32:21,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:21,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:21,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:32:21,119 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:21,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:21,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1507472743, now seen corresponding path program 1 times [2020-11-29 23:32:21,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:21,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141288595] [2020-11-29 23:32:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:21,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141288595] [2020-11-29 23:32:21,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:21,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:32:21,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429078171] [2020-11-29 23:32:21,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:32:21,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:21,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:32:21,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:32:21,243 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 4 states. [2020-11-29 23:32:21,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:21,400 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2020-11-29 23:32:21,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:32:21,401 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-29 23:32:21,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:21,403 INFO L225 Difference]: With dead ends: 58 [2020-11-29 23:32:21,403 INFO L226 Difference]: Without dead ends: 56 [2020-11-29 23:32:21,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:32:21,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-29 23:32:21,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 37. [2020-11-29 23:32:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-29 23:32:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2020-11-29 23:32:21,420 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 11 [2020-11-29 23:32:21,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:21,420 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2020-11-29 23:32:21,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:32:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2020-11-29 23:32:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:32:21,421 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:21,421 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:21,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:32:21,422 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:21,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:21,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1277140292, now seen corresponding path program 1 times [2020-11-29 23:32:21,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:21,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258687567] [2020-11-29 23:32:21,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:21,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258687567] [2020-11-29 23:32:21,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:21,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 23:32:21,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604454944] [2020-11-29 23:32:21,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:32:21,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:21,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:32:21,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:32:21,546 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 4 states. [2020-11-29 23:32:21,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:21,681 INFO L93 Difference]: Finished difference Result 56 states and 59 transitions. [2020-11-29 23:32:21,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 23:32:21,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-29 23:32:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:21,683 INFO L225 Difference]: With dead ends: 56 [2020-11-29 23:32:21,683 INFO L226 Difference]: Without dead ends: 54 [2020-11-29 23:32:21,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 23:32:21,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-11-29 23:32:21,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 35. [2020-11-29 23:32:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-29 23:32:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2020-11-29 23:32:21,692 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 13 [2020-11-29 23:32:21,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:21,692 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2020-11-29 23:32:21,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:32:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-11-29 23:32:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:32:21,693 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:21,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:21,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:32:21,694 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:21,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:21,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1029013407, now seen corresponding path program 1 times [2020-11-29 23:32:21,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:21,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837955139] [2020-11-29 23:32:21,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:21,715 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:32:21,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936159408] [2020-11-29 23:32:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:21,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjunts are in the unsatisfiable core [2020-11-29 23:32:21,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:21,866 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:21,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:21,911 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:21,911 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:22,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837955139] [2020-11-29 23:32:22,044 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:32:22,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936159408] [2020-11-29 23:32:22,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:22,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-29 23:32:22,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654410257] [2020-11-29 23:32:22,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:32:22,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:22,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:32:22,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:32:22,047 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 8 states. [2020-11-29 23:32:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:22,487 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2020-11-29 23:32:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:32:22,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-11-29 23:32:22,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:22,491 INFO L225 Difference]: With dead ends: 76 [2020-11-29 23:32:22,491 INFO L226 Difference]: Without dead ends: 54 [2020-11-29 23:32:22,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-11-29 23:32:22,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-11-29 23:32:22,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 49. [2020-11-29 23:32:22,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-29 23:32:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2020-11-29 23:32:22,510 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 15 [2020-11-29 23:32:22,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:22,511 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2020-11-29 23:32:22,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:32:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2020-11-29 23:32:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:32:22,512 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:22,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:22,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:22,731 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:22,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:22,732 INFO L82 PathProgramCache]: Analyzing trace with hash -2132259149, now seen corresponding path program 1 times [2020-11-29 23:32:22,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:22,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011605120] [2020-11-29 23:32:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:22,756 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:32:22,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788742782] [2020-11-29 23:32:22,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:22,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 23:32:22,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:22,842 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:22,842 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:23,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011605120] [2020-11-29 23:32:23,007 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:32:23,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788742782] [2020-11-29 23:32:23,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:23,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-29 23:32:23,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306329108] [2020-11-29 23:32:23,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 23:32:23,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:23,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 23:32:23,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:32:23,010 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 7 states. [2020-11-29 23:32:23,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:23,322 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2020-11-29 23:32:23,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:32:23,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-11-29 23:32:23,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:23,324 INFO L225 Difference]: With dead ends: 53 [2020-11-29 23:32:23,324 INFO L226 Difference]: Without dead ends: 42 [2020-11-29 23:32:23,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-29 23:32:23,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-29 23:32:23,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-29 23:32:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-29 23:32:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-11-29 23:32:23,341 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 18 [2020-11-29 23:32:23,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:23,342 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-11-29 23:32:23,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 23:32:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-11-29 23:32:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:32:23,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:23,344 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:23,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:23,560 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:23,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:23,560 INFO L82 PathProgramCache]: Analyzing trace with hash 414391332, now seen corresponding path program 1 times [2020-11-29 23:32:23,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:23,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853961188] [2020-11-29 23:32:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:23,576 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:32:23,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455895071] [2020-11-29 23:32:23,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:23,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-29 23:32:23,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:23,676 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:23,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:23,719 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:23,719 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:23,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853961188] [2020-11-29 23:32:23,848 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:32:23,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455895071] [2020-11-29 23:32:23,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:32:23,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-11-29 23:32:23,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910531164] [2020-11-29 23:32:23,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 23:32:23,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:23,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 23:32:23,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-29 23:32:23,851 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 9 states. [2020-11-29 23:32:24,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:24,480 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2020-11-29 23:32:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 23:32:24,483 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-11-29 23:32:24,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:24,484 INFO L225 Difference]: With dead ends: 91 [2020-11-29 23:32:24,485 INFO L226 Difference]: Without dead ends: 69 [2020-11-29 23:32:24,485 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-11-29 23:32:24,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-11-29 23:32:24,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 62. [2020-11-29 23:32:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-11-29 23:32:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions. [2020-11-29 23:32:24,504 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 22 [2020-11-29 23:32:24,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:24,504 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions. [2020-11-29 23:32:24,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 23:32:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2020-11-29 23:32:24,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 23:32:24,505 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:24,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:24,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:24,728 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:24,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:24,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1402054670, now seen corresponding path program 1 times [2020-11-29 23:32:24,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:24,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239745467] [2020-11-29 23:32:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:24,748 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:32:24,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574287161] [2020-11-29 23:32:24,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:24,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-29 23:32:24,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:24,843 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:24,843 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:25,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239745467] [2020-11-29 23:32:25,184 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:32:25,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574287161] [2020-11-29 23:32:25,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:32:25,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-29 23:32:25,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431512433] [2020-11-29 23:32:25,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:32:25,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:25,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:32:25,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:32:25,187 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand 8 states. [2020-11-29 23:32:25,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:25,820 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2020-11-29 23:32:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 23:32:25,820 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-11-29 23:32:25,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:25,822 INFO L225 Difference]: With dead ends: 73 [2020-11-29 23:32:25,822 INFO L226 Difference]: Without dead ends: 62 [2020-11-29 23:32:25,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-11-29 23:32:25,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-11-29 23:32:25,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-11-29 23:32:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-11-29 23:32:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-11-29 23:32:25,836 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 25 [2020-11-29 23:32:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:25,836 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-11-29 23:32:25,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:32:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-11-29 23:32:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 23:32:25,837 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:25,837 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:26,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:26,060 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:26,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:26,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1510625279, now seen corresponding path program 2 times [2020-11-29 23:32:26,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:26,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167383457] [2020-11-29 23:32:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:26,083 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:32:26,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695028916] [2020-11-29 23:32:26,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:26,140 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 23:32:26,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 23:32:26,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 23:32:26,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:26,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:26,173 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:26,212 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:26,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:26,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167383457] [2020-11-29 23:32:26,435 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:32:26,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695028916] [2020-11-29 23:32:26,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:32:26,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-29 23:32:26,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298989492] [2020-11-29 23:32:26,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 23:32:26,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:26,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 23:32:26,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 23:32:26,437 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 8 states. [2020-11-29 23:32:28,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:28,589 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2020-11-29 23:32:28,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 23:32:28,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-11-29 23:32:28,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:28,590 INFO L225 Difference]: With dead ends: 66 [2020-11-29 23:32:28,590 INFO L226 Difference]: Without dead ends: 39 [2020-11-29 23:32:28,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-29 23:32:28,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-29 23:32:28,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-29 23:32:28,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-29 23:32:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2020-11-29 23:32:28,620 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 29 [2020-11-29 23:32:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:28,620 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2020-11-29 23:32:28,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 23:32:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2020-11-29 23:32:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 23:32:28,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:28,622 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:28,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:28,822 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:28,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:28,823 INFO L82 PathProgramCache]: Analyzing trace with hash 933681081, now seen corresponding path program 1 times [2020-11-29 23:32:28,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:28,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865078780] [2020-11-29 23:32:28,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:28,834 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:32:28,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205284785] [2020-11-29 23:32:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:28,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 30 conjunts are in the unsatisfiable core [2020-11-29 23:32:28,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:28,928 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:28,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:29,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865078780] [2020-11-29 23:32:29,218 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:32:29,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205284785] [2020-11-29 23:32:29,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:32:29,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-11-29 23:32:29,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078292506] [2020-11-29 23:32:29,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 23:32:29,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:29,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 23:32:29,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-29 23:32:29,223 INFO L87 Difference]: Start difference. First operand 39 states and 38 transitions. Second operand 10 states. [2020-11-29 23:32:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:29,682 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2020-11-29 23:32:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-29 23:32:29,683 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-11-29 23:32:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:29,684 INFO L225 Difference]: With dead ends: 39 [2020-11-29 23:32:29,684 INFO L226 Difference]: Without dead ends: 37 [2020-11-29 23:32:29,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-11-29 23:32:29,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-29 23:32:29,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-29 23:32:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-29 23:32:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2020-11-29 23:32:29,699 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 31 [2020-11-29 23:32:29,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:29,700 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2020-11-29 23:32:29,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 23:32:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2020-11-29 23:32:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 23:32:29,701 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:32:29,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:32:29,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:29,928 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:32:29,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:32:29,928 INFO L82 PathProgramCache]: Analyzing trace with hash 217862748, now seen corresponding path program 1 times [2020-11-29 23:32:29,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:32:29,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109888855] [2020-11-29 23:32:29,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:32:29,938 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-11-29 23:32:29,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796301500] [2020-11-29 23:32:29,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:32:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:32:30,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 26 conjunts are in the unsatisfiable core [2020-11-29 23:32:30,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:32:30,052 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-11-29 23:32:30,053 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:32:30,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:32:30,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-29 23:32:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:32:30,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109888855] [2020-11-29 23:32:30,501 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-11-29 23:32:30,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796301500] [2020-11-29 23:32:30,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:32:30,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-29 23:32:30,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684636950] [2020-11-29 23:32:30,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-29 23:32:30,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:32:30,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-29 23:32:30,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-29 23:32:30,504 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 11 states. [2020-11-29 23:32:31,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:32:31,031 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2020-11-29 23:32:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-29 23:32:31,031 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2020-11-29 23:32:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:32:31,032 INFO L225 Difference]: With dead ends: 37 [2020-11-29 23:32:31,032 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:32:31,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-11-29 23:32:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:32:31,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:32:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:32:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:32:31,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-11-29 23:32:31,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:32:31,033 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:32:31,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-29 23:32:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:32:31,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:32:31,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 23:32:31,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:32:31,607 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-11-29 23:32:31,845 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 46 [2020-11-29 23:32:32,113 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-11-29 23:32:32,257 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 40 [2020-11-29 23:32:32,463 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 46 [2020-11-29 23:32:32,679 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-11-29 23:32:32,697 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-29 23:32:32,697 INFO L274 CegarLoopResult]: For program point L11(lines 11 13) no Hoare annotation was computed. [2020-11-29 23:32:32,697 INFO L274 CegarLoopResult]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2020-11-29 23:32:32,697 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 13) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L270 CegarLoopResult]: At program point L36-2(lines 36 44) the Hoare annotation is: (let ((.cse1 (< 0 (+ (div (+ (* ULTIMATE.start_main_~r~0 (- 1)) 1) 4294967296) 1))) (.cse0 (mod ULTIMATE.start_main_~B~0 4294967296)) (.cse2 (= ULTIMATE.start_main_~r~0 (mod ULTIMATE.start_main_~A~0 4294967296))) (.cse3 (= ULTIMATE.start_main_~q~0 0)) (.cse4 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse5 (* ULTIMATE.start_main_~d~0 (- 1)))) (or (and (<= .cse0 1) .cse1 (= ULTIMATE.start_main_~d~0 .cse0) .cse2 (= ULTIMATE.start_main_~p~0 1) .cse3 .cse4 (< (div .cse5 4294967296) 0)) (and .cse1 (= ULTIMATE.start_main_~d~0 (* .cse0 2)) (<= 1 .cse0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse2 (= ULTIMATE.start_main_~p~0 2) .cse3 .cse4 (<= (div .cse5 (- 2)) ULTIMATE.start_main_~r~0)))) [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L277 CegarLoopResult]: At program point L62(lines 22 63) the Hoare annotation is: true [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point L54(lines 54 57) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point L54-2(lines 22 63) no Hoare annotation was computed. [2020-11-29 23:32:32,698 INFO L274 CegarLoopResult]: For program point L46-1(lines 46 58) no Hoare annotation was computed. [2020-11-29 23:32:32,699 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-29 23:32:32,699 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-29 23:32:32,699 INFO L274 CegarLoopResult]: For program point L15(lines 15 18) no Hoare annotation was computed. [2020-11-29 23:32:32,699 INFO L270 CegarLoopResult]: At program point L15-1(lines 14 20) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~A~0 (+ ULTIMATE.start_main_~r~0 (* (div ULTIMATE.start_main_~A~0 4294967296) 4294967296)))) (.cse1 (< 0 (+ (div (+ (* ULTIMATE.start_main_~r~0 (- 1)) 1) 4294967296) 1))) (.cse2 (mod ULTIMATE.start_main_~B~0 4294967296)) (.cse3 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~q~0 0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse6 (* ULTIMATE.start_main_~d~0 (- 1)))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~d~0 (* .cse2 2)) (<= 1 .cse2) .cse3 (= ULTIMATE.start_main_~p~0 2) .cse4 .cse5 (<= (div .cse6 (- 2)) ULTIMATE.start_main_~r~0)) (and (<= .cse2 1) .cse0 .cse1 (= ULTIMATE.start_main_~d~0 .cse2) .cse3 (= ULTIMATE.start_main_~p~0 1) .cse4 .cse5 (< (div .cse6 4294967296) 0)))) [2020-11-29 23:32:32,699 INFO L274 CegarLoopResult]: For program point L15-2(lines 15 18) no Hoare annotation was computed. [2020-11-29 23:32:32,699 INFO L270 CegarLoopResult]: At program point L15-3(lines 14 20) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~A~0 (+ ULTIMATE.start_main_~r~0 (* (div ULTIMATE.start_main_~A~0 4294967296) 4294967296)))) (.cse1 (< 0 (+ (div (+ (* ULTIMATE.start_main_~r~0 (- 1)) 1) 4294967296) 1))) (.cse2 (mod ULTIMATE.start_main_~B~0 4294967296)) (.cse3 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~q~0 0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse6 (* ULTIMATE.start_main_~d~0 (- 1)))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~d~0 (* .cse2 2)) (<= 1 .cse2) .cse3 (= ULTIMATE.start_main_~p~0 2) .cse4 .cse5 (<= (div .cse6 (- 2)) ULTIMATE.start_main_~r~0)) (and (<= .cse2 1) .cse0 .cse1 (= ULTIMATE.start_main_~d~0 .cse2) .cse3 (= ULTIMATE.start_main_~p~0 1) .cse4 .cse5 (< (div .cse6 4294967296) 0)))) [2020-11-29 23:32:32,699 INFO L274 CegarLoopResult]: For program point L15-4(lines 15 18) no Hoare annotation was computed. [2020-11-29 23:32:32,700 INFO L270 CegarLoopResult]: At program point L15-5(line 40) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~A~0 (+ ULTIMATE.start_main_~r~0 (* (div ULTIMATE.start_main_~A~0 4294967296) 4294967296)))) (.cse1 (< 0 (+ (div (+ (* ULTIMATE.start_main_~r~0 (- 1)) 1) 4294967296) 1))) (.cse2 (mod ULTIMATE.start_main_~B~0 4294967296)) (.cse3 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~q~0 0)) (.cse5 (= ULTIMATE.start_assume_abort_if_not_~cond 1)) (.cse6 (* ULTIMATE.start_main_~d~0 (- 1)))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~d~0 (* .cse2 2)) (<= 1 .cse2) .cse3 (= ULTIMATE.start_main_~p~0 2) .cse4 .cse5 (<= (div .cse6 (- 2)) ULTIMATE.start_main_~r~0)) (and (<= .cse2 1) .cse0 .cse1 (= ULTIMATE.start_main_~d~0 .cse2) .cse3 (= ULTIMATE.start_main_~p~0 1) .cse4 .cse5 (< (div .cse6 4294967296) 0)))) [2020-11-29 23:32:32,700 INFO L274 CegarLoopResult]: For program point L15-6(lines 15 18) no Hoare annotation was computed. [2020-11-29 23:32:32,700 INFO L270 CegarLoopResult]: At program point L15-7(lines 14 20) the Hoare annotation is: (let ((.cse8 (mod ULTIMATE.start_main_~A~0 4294967296)) (.cse2 (mod ULTIMATE.start_main_~B~0 4294967296))) (let ((.cse0 (<= .cse2 1)) (.cse1 (= ULTIMATE.start_main_~d~0 .cse2)) (.cse5 (= ULTIMATE.start_main_~p~0 1)) (.cse3 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~r~0 .cse8)) (.cse6 (= ULTIMATE.start_main_~q~0 0)) (.cse7 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 .cse1 (< ULTIMATE.start_main_~r~0 .cse2) .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start_main_~q~0 1) .cse0 .cse1 .cse3 .cse5 (< .cse8 (* 2 .cse2)) .cse7 (<= .cse2 .cse8) (= (+ ULTIMATE.start_main_~r~0 .cse2) .cse8)) (and (< 0 (+ (div (+ (* ULTIMATE.start_main_~r~0 (- 1)) 1) 4294967296) 1)) (= ULTIMATE.start_main_~d~0 (* .cse2 2)) (<= 1 .cse2) .cse3 .cse4 (= ULTIMATE.start_main_~p~0 2) .cse6 .cse7 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0))))) [2020-11-29 23:32:32,700 INFO L274 CegarLoopResult]: For program point L15-8(lines 15 18) no Hoare annotation was computed. [2020-11-29 23:32:32,700 INFO L270 CegarLoopResult]: At program point L15-9(line 50) the Hoare annotation is: (let ((.cse8 (mod ULTIMATE.start_main_~A~0 4294967296)) (.cse2 (mod ULTIMATE.start_main_~B~0 4294967296))) (let ((.cse0 (<= .cse2 1)) (.cse1 (= ULTIMATE.start_main_~d~0 .cse2)) (.cse5 (= ULTIMATE.start_main_~p~0 1)) (.cse3 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse4 (= ULTIMATE.start_main_~r~0 .cse8)) (.cse6 (= ULTIMATE.start_main_~q~0 0)) (.cse7 (= ULTIMATE.start_assume_abort_if_not_~cond 1))) (or (and .cse0 .cse1 (< ULTIMATE.start_main_~r~0 .cse2) .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ULTIMATE.start_main_~q~0 1) .cse0 .cse1 .cse3 .cse5 (< .cse8 (* 2 .cse2)) .cse7 (<= .cse2 .cse8) (= (+ ULTIMATE.start_main_~r~0 .cse2) .cse8)) (and (< 0 (+ (div (+ (* ULTIMATE.start_main_~r~0 (- 1)) 1) 4294967296) 1)) (= ULTIMATE.start_main_~d~0 (* .cse2 2)) (<= 1 .cse2) .cse3 .cse4 (= ULTIMATE.start_main_~p~0 2) .cse6 .cse7 (<= (div (* ULTIMATE.start_main_~d~0 (- 1)) (- 2)) ULTIMATE.start_main_~r~0))))) [2020-11-29 23:32:32,700 INFO L274 CegarLoopResult]: For program point L15-10(lines 15 18) no Hoare annotation was computed. [2020-11-29 23:32:32,700 INFO L270 CegarLoopResult]: At program point L15-11(lines 14 20) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~B~0 4294967296))) (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= .cse0 1) (= ULTIMATE.start_main_~d~0 .cse0) (<= 1 .cse0) (= ULTIMATE.start_main_~p~0 1) (= ULTIMATE.start_assume_abort_if_not_~cond 1))) [2020-11-29 23:32:32,700 INFO L274 CegarLoopResult]: For program point L15-12(lines 15 18) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L277 CegarLoopResult]: At program point L15-13(lines 14 20) the Hoare annotation is: true [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L16(lines 16 17) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L16-2(lines 16 17) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L16-3(lines 16 17) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L16-4(lines 16 17) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L16-5(lines 16 17) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point L16-6(lines 16 17) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:32:32,701 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-11-29 23:32:32,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:32:32 BoogieIcfgContainer [2020-11-29 23:32:32,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:32:32,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:32:32,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:32:32,727 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:32:32,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:32:20" (3/4) ... [2020-11-29 23:32:32,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:32:32,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-11-29 23:32:32,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:32:32,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:32:32,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:32:32,796 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cdac73e9-6cc0-4dad-8824-607797ab2940/bin/uautomizer/witness.graphml [2020-11-29 23:32:32,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:32:32,798 INFO L168 Benchmark]: Toolchain (without parser) took 12960.11 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 55.2 MB in the beginning and 101.2 MB in the end (delta: -46.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:32,799 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:32:32,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.44 ms. Allocated memory is still 86.0 MB. Free memory was 55.0 MB in the beginning and 63.5 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:32,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 86.0 MB. Free memory was 63.5 MB in the beginning and 62.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:32,800 INFO L168 Benchmark]: Boogie Preprocessor took 27.06 ms. Allocated memory is still 86.0 MB. Free memory was 62.0 MB in the beginning and 60.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:32,800 INFO L168 Benchmark]: RCFGBuilder took 457.96 ms. Allocated memory is still 86.0 MB. Free memory was 60.7 MB in the beginning and 44.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:32,801 INFO L168 Benchmark]: TraceAbstraction took 12084.19 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 43.6 MB in the beginning and 105.4 MB in the end (delta: -61.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:32,801 INFO L168 Benchmark]: Witness Printer took 69.99 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 101.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:32:32,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.44 ms. Allocated memory is still 86.0 MB. Free memory was 55.0 MB in the beginning and 63.5 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 86.0 MB. Free memory was 63.5 MB in the beginning and 62.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.06 ms. Allocated memory is still 86.0 MB. Free memory was 62.0 MB in the beginning and 60.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 457.96 ms. Allocated memory is still 86.0 MB. Free memory was 60.7 MB in the beginning and 44.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12084.19 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 43.6 MB in the beginning and 105.4 MB in the end (delta: -61.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 16.1 GB. * Witness Printer took 69.99 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 101.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((A == r + A / 4294967296 * 4294967296 && 0 < (r * -1 + 1) / 4294967296 + 1) && d == B % 4294967296 * 2) && 1 <= B % 4294967296) && 1 <= cond) && p == 2) && q == 0) && cond == 1) && d * -1 / -2 <= r) || ((((((((B % 4294967296 <= 1 && A == r + A / 4294967296 * 4294967296) && 0 < (r * -1 + 1) / 4294967296 + 1) && d == B % 4294967296) && 1 <= cond) && p == 1) && q == 0) && cond == 1) && d * -1 / 4294967296 < 0) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((((B % 4294967296 <= 1 && d == B % 4294967296) && r < B % 4294967296) && 1 <= cond) && r == A % 4294967296) && p == 1) && q == 0) && cond == 1) || ((((((((q == 1 && B % 4294967296 <= 1) && d == B % 4294967296) && 1 <= cond) && p == 1) && A % 4294967296 < 2 * (B % 4294967296)) && cond == 1) && B % 4294967296 <= A % 4294967296) && r + B % 4294967296 == A % 4294967296)) || ((((((((0 < (r * -1 + 1) / 4294967296 + 1 && d == B % 4294967296 * 2) && 1 <= B % 4294967296) && 1 <= cond) && r == A % 4294967296) && p == 2) && q == 0) && cond == 1) && d * -1 / -2 <= r) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((((A == r + A / 4294967296 * 4294967296 && 0 < (r * -1 + 1) / 4294967296 + 1) && d == B % 4294967296 * 2) && 1 <= B % 4294967296) && 1 <= cond) && p == 2) && q == 0) && cond == 1) && d * -1 / -2 <= r) || ((((((((B % 4294967296 <= 1 && A == r + A / 4294967296 * 4294967296) && 0 < (r * -1 + 1) / 4294967296 + 1) && d == B % 4294967296) && 1 <= cond) && p == 1) && q == 0) && cond == 1) && d * -1 / 4294967296 < 0) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((B % 4294967296 <= 1 && 0 < (r * -1 + 1) / 4294967296 + 1) && d == B % 4294967296) && r == A % 4294967296) && p == 1) && q == 0) && cond == 1) && d * -1 / 4294967296 < 0) || ((((((((0 < (r * -1 + 1) / 4294967296 + 1 && d == B % 4294967296 * 2) && 1 <= B % 4294967296) && 1 <= cond) && r == A % 4294967296) && p == 2) && q == 0) && cond == 1) && d * -1 / -2 <= r) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((((B % 4294967296 <= 1 && d == B % 4294967296) && r < B % 4294967296) && 1 <= cond) && r == A % 4294967296) && p == 1) && q == 0) && cond == 1) || ((((((((q == 1 && B % 4294967296 <= 1) && d == B % 4294967296) && 1 <= cond) && p == 1) && A % 4294967296 < 2 * (B % 4294967296)) && cond == 1) && B % 4294967296 <= A % 4294967296) && r + B % 4294967296 == A % 4294967296)) || ((((((((0 < (r * -1 + 1) / 4294967296 + 1 && d == B % 4294967296 * 2) && 1 <= B % 4294967296) && 1 <= cond) && r == A % 4294967296) && p == 2) && q == 0) && cond == 1) && d * -1 / -2 <= r) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((((A == r + A / 4294967296 * 4294967296 && 0 < (r * -1 + 1) / 4294967296 + 1) && d == B % 4294967296 * 2) && 1 <= B % 4294967296) && 1 <= cond) && p == 2) && q == 0) && cond == 1) && d * -1 / -2 <= r) || ((((((((B % 4294967296 <= 1 && A == r + A / 4294967296 * 4294967296) && 0 < (r * -1 + 1) / 4294967296 + 1) && d == B % 4294967296) && 1 <= cond) && p == 1) && q == 0) && cond == 1) && d * -1 / 4294967296 < 0) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((!(0 == cond) && B % 4294967296 <= 1) && d == B % 4294967296) && 1 <= B % 4294967296) && p == 1) && cond == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 245 SDtfs, 747 SDslu, 424 SDs, 0 SdLazy, 779 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 50 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 26 NumberOfFragments, 689 HoareAnnotationTreeSize, 9 FomulaSimplifications, 455 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 752 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 201 ConstructedInterpolants, 9 QuantifiedInterpolants, 80316 SizeOfPredicates, 63 NumberOfNonLiveVariables, 721 ConjunctsInSsa, 138 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 26/53 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...