./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i --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_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/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 515641d47b866a31074baa0701cc4e191cb58e69 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:16:00,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:16:00,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:16:00,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:16:00,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:16:00,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:16:00,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:16:00,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:16:00,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:16:00,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:16:00,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:16:00,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:16:00,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:16:00,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:16:00,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:16:00,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:16:00,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:16:00,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:16:00,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:16:00,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:16:00,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:16:00,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:16:00,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:16:00,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:16:00,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:16:00,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:16:00,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:16:00,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:16:00,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:16:00,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:16:00,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:16:00,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:16:00,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:16:00,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:16:00,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:16:00,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:16:00,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:16:00,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:16:00,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:16:00,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:16:00,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:16:00,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:16:00,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:16:00,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:16:00,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:16:00,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:16:00,572 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:16:00,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:16:00,573 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:16:00,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:16:00,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:16:00,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:16:00,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:16:00,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:16:00,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:16:00,580 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:16:00,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:16:00,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:16:00,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:16:00,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:16:00,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:16:00,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:16:00,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:16:00,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:16:00,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:16:00,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:16:00,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:16:00,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:16:00,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:16:00,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:16:00,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:16:00,584 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_f26ffd28-fe65-4dce-9b17-17e285e75459/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 515641d47b866a31074baa0701cc4e191cb58e69 [2020-11-28 03:16:00,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:16:00,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:16:00,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:16:00,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:16:00,954 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:16:00,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2020-11-28 03:16:01,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/data/ac4ad37ac/e34945eea340440ba06527094033f302/FLAG7339e7695 [2020-11-28 03:16:01,712 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:16:01,713 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2020-11-28 03:16:01,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/data/ac4ad37ac/e34945eea340440ba06527094033f302/FLAG7339e7695 [2020-11-28 03:16:02,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/data/ac4ad37ac/e34945eea340440ba06527094033f302 [2020-11-28 03:16:02,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:16:02,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:16:02,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:02,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:16:02,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:16:02,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619898e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02, skipping insertion in model container [2020-11-28 03:16:02,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:16:02,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:16:02,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:02,419 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:16:02,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:02,489 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:16:02,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02 WrapperNode [2020-11-28 03:16:02,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:02,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:02,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:16:02,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:16:02,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:02,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:16:02,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:16:02,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:16:02,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... [2020-11-28 03:16:02,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:16:02,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:16:02,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:16:02,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:16:02,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/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 [2020-11-28 03:16:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:16:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:16:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:16:02,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:16:03,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:16:03,377 INFO L298 CfgBuilder]: Removed 70 assume(true) statements. [2020-11-28 03:16:03,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:03 BoogieIcfgContainer [2020-11-28 03:16:03,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:16:03,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:16:03,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:16:03,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:16:03,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:02" (1/3) ... [2020-11-28 03:16:03,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2382649c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:03, skipping insertion in model container [2020-11-28 03:16:03,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:02" (2/3) ... [2020-11-28 03:16:03,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2382649c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:03, skipping insertion in model container [2020-11-28 03:16:03,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:03" (3/3) ... [2020-11-28 03:16:03,391 INFO L111 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i [2020-11-28 03:16:03,405 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:16:03,411 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-11-28 03:16:03,426 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-11-28 03:16:03,456 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:16:03,456 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:16:03,457 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:16:03,457 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:16:03,457 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:16:03,457 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:16:03,457 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:16:03,457 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:16:03,480 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-28 03:16:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 03:16:03,485 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:03,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:03,486 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:03,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:03,492 INFO L82 PathProgramCache]: Analyzing trace with hash -691092303, now seen corresponding path program 1 times [2020-11-28 03:16:03,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:03,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89586524] [2020-11-28 03:16:03,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:03,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89586524] [2020-11-28 03:16:03,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:03,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:03,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322496624] [2020-11-28 03:16:03,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:03,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:03,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:03,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:03,774 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2020-11-28 03:16:03,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:03,989 INFO L93 Difference]: Finished difference Result 233 states and 311 transitions. [2020-11-28 03:16:03,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:03,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-11-28 03:16:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:04,012 INFO L225 Difference]: With dead ends: 233 [2020-11-28 03:16:04,013 INFO L226 Difference]: Without dead ends: 104 [2020-11-28 03:16:04,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:04,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-11-28 03:16:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2020-11-28 03:16:04,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-28 03:16:04,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 103 transitions. [2020-11-28 03:16:04,075 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 103 transitions. Word has length 10 [2020-11-28 03:16:04,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:04,075 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 103 transitions. [2020-11-28 03:16:04,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 103 transitions. [2020-11-28 03:16:04,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:16:04,077 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:04,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:04,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:16:04,078 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:04,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:04,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1587773679, now seen corresponding path program 1 times [2020-11-28 03:16:04,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:04,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331918796] [2020-11-28 03:16:04,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:04,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331918796] [2020-11-28 03:16:04,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:04,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:16:04,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431184861] [2020-11-28 03:16:04,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:04,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:04,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:04,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:04,166 INFO L87 Difference]: Start difference. First operand 100 states and 103 transitions. Second operand 4 states. [2020-11-28 03:16:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:04,472 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2020-11-28 03:16:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:16:04,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-11-28 03:16:04,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:04,476 INFO L225 Difference]: With dead ends: 107 [2020-11-28 03:16:04,476 INFO L226 Difference]: Without dead ends: 99 [2020-11-28 03:16:04,477 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 [2020-11-28 03:16:04,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-11-28 03:16:04,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2020-11-28 03:16:04,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-28 03:16:04,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 95 transitions. [2020-11-28 03:16:04,491 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 95 transitions. Word has length 11 [2020-11-28 03:16:04,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:04,492 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 95 transitions. [2020-11-28 03:16:04,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 95 transitions. [2020-11-28 03:16:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 03:16:04,493 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:04,493 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:04,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:16:04,494 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:04,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:04,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1965707700, now seen corresponding path program 1 times [2020-11-28 03:16:04,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:04,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714402727] [2020-11-28 03:16:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:04,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714402727] [2020-11-28 03:16:04,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:04,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:16:04,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617035590] [2020-11-28 03:16:04,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:04,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:04,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:04,594 INFO L87 Difference]: Start difference. First operand 92 states and 95 transitions. Second operand 4 states. [2020-11-28 03:16:04,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:04,779 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2020-11-28 03:16:04,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:16:04,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-28 03:16:04,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:04,781 INFO L225 Difference]: With dead ends: 96 [2020-11-28 03:16:04,781 INFO L226 Difference]: Without dead ends: 80 [2020-11-28 03:16:04,782 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 [2020-11-28 03:16:04,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-11-28 03:16:04,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2020-11-28 03:16:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-11-28 03:16:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-11-28 03:16:04,794 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 12 [2020-11-28 03:16:04,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:04,795 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-11-28 03:16:04,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-11-28 03:16:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 03:16:04,796 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:04,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:04,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:16:04,797 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:04,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:04,800 INFO L82 PathProgramCache]: Analyzing trace with hash -374371849, now seen corresponding path program 1 times [2020-11-28 03:16:04,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:04,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287335053] [2020-11-28 03:16:04,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:04,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287335053] [2020-11-28 03:16:04,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:04,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:16:04,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803033573] [2020-11-28 03:16:04,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:16:04,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:04,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:16:04,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:04,909 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 5 states. [2020-11-28 03:16:05,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:05,156 INFO L93 Difference]: Finished difference Result 80 states and 85 transitions. [2020-11-28 03:16:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:16:05,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-28 03:16:05,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:05,160 INFO L225 Difference]: With dead ends: 80 [2020-11-28 03:16:05,160 INFO L226 Difference]: Without dead ends: 72 [2020-11-28 03:16:05,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:16:05,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-11-28 03:16:05,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-11-28 03:16:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-11-28 03:16:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2020-11-28 03:16:05,178 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 15 [2020-11-28 03:16:05,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:05,178 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2020-11-28 03:16:05,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:16:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-11-28 03:16:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:16:05,181 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:05,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:05,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:16:05,181 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:05,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:05,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1391394778, now seen corresponding path program 1 times [2020-11-28 03:16:05,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:05,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446075000] [2020-11-28 03:16:05,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:05,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446075000] [2020-11-28 03:16:05,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:05,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:16:05,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158499336] [2020-11-28 03:16:05,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:05,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:05,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:05,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:05,346 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand 4 states. [2020-11-28 03:16:05,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:05,499 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2020-11-28 03:16:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:16:05,500 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-11-28 03:16:05,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:05,501 INFO L225 Difference]: With dead ends: 73 [2020-11-28 03:16:05,501 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 03:16:05,502 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 [2020-11-28 03:16:05,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 03:16:05,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2020-11-28 03:16:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-28 03:16:05,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2020-11-28 03:16:05,521 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 17 [2020-11-28 03:16:05,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:05,522 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2020-11-28 03:16:05,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:05,522 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2020-11-28 03:16:05,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:16:05,524 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:05,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:05,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:16:05,525 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:05,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1367434176, now seen corresponding path program 1 times [2020-11-28 03:16:05,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:05,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292114847] [2020-11-28 03:16:05,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:05,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292114847] [2020-11-28 03:16:05,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:05,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:16:05,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966115354] [2020-11-28 03:16:05,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:05,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:05,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:05,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:05,640 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 4 states. [2020-11-28 03:16:05,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:05,800 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2020-11-28 03:16:05,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:16:05,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-11-28 03:16:05,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:05,804 INFO L225 Difference]: With dead ends: 65 [2020-11-28 03:16:05,804 INFO L226 Difference]: Without dead ends: 61 [2020-11-28 03:16:05,805 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 [2020-11-28 03:16:05,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-11-28 03:16:05,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2020-11-28 03:16:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-28 03:16:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2020-11-28 03:16:05,815 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 23 [2020-11-28 03:16:05,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:05,815 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2020-11-28 03:16:05,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2020-11-28 03:16:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:16:05,817 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:05,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:05,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:16:05,818 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:05,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:05,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2116882854, now seen corresponding path program 1 times [2020-11-28 03:16:05,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:05,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70679760] [2020-11-28 03:16:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:05,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70679760] [2020-11-28 03:16:05,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:05,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:16:05,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599294659] [2020-11-28 03:16:05,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:16:05,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:05,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:16:05,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:16:05,941 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 6 states. [2020-11-28 03:16:06,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:06,154 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-11-28 03:16:06,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:16:06,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-11-28 03:16:06,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:06,156 INFO L225 Difference]: With dead ends: 54 [2020-11-28 03:16:06,156 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:16:06,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:16:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:16:06,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:16:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:16:06,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:16:06,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2020-11-28 03:16:06,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:06,167 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:16:06,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:16:06,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:16:06,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:16:06,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:16:06,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:16:06,937 INFO L270 CegarLoopResult]: At program point L18-17(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,937 INFO L270 CegarLoopResult]: At program point L35-2(lines 35 64) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0))) [2020-11-28 03:16:06,937 INFO L274 CegarLoopResult]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,937 INFO L270 CegarLoopResult]: At program point L18-20(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,938 INFO L274 CegarLoopResult]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,938 INFO L270 CegarLoopResult]: At program point L18-23(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,938 INFO L274 CegarLoopResult]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,938 INFO L270 CegarLoopResult]: At program point L18-26(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,939 INFO L274 CegarLoopResult]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,939 INFO L270 CegarLoopResult]: At program point L18-29(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,939 INFO L274 CegarLoopResult]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,939 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,939 INFO L274 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,939 INFO L270 CegarLoopResult]: At program point L18-32(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,939 INFO L274 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,940 INFO L274 CegarLoopResult]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,940 INFO L274 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,940 INFO L274 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,940 INFO L270 CegarLoopResult]: At program point L18-35(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,940 INFO L274 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,940 INFO L274 CegarLoopResult]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,940 INFO L274 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,940 INFO L274 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,941 INFO L270 CegarLoopResult]: At program point L18-38(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-28 03:16:06,941 INFO L274 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,941 INFO L274 CegarLoopResult]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,941 INFO L274 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,941 INFO L274 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,941 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,941 INFO L270 CegarLoopResult]: At program point L18-41(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-28 03:16:06,942 INFO L274 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,943 INFO L274 CegarLoopResult]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,943 INFO L274 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,943 INFO L274 CegarLoopResult]: For program point L19-13(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,943 INFO L270 CegarLoopResult]: At program point L18-44(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-28 03:16:06,944 INFO L274 CegarLoopResult]: For program point L19-14(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,944 INFO L274 CegarLoopResult]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,944 INFO L274 CegarLoopResult]: For program point L36(lines 36 63) no Hoare annotation was computed. [2020-11-28 03:16:06,944 INFO L274 CegarLoopResult]: For program point L19-15(line 19) no Hoare annotation was computed. [2020-11-28 03:16:06,944 INFO L270 CegarLoopResult]: At program point L18-47(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0)) [2020-11-28 03:16:06,945 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:16:06,945 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,945 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,945 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-28 03:16:06,946 INFO L270 CegarLoopResult]: At program point L56(lines 36 63) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (< ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:16:06,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,946 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,947 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,947 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,947 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,947 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:16:06,947 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,948 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,948 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,948 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,948 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,948 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,949 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,949 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,949 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,949 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,949 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,950 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,950 INFO L274 CegarLoopResult]: For program point L12-15(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,950 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,950 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,950 INFO L274 CegarLoopResult]: For program point L12-19(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,951 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,951 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,951 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,951 INFO L274 CegarLoopResult]: For program point L12-23(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,951 INFO L274 CegarLoopResult]: For program point L12-24(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,952 INFO L274 CegarLoopResult]: For program point L12-26(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,952 INFO L274 CegarLoopResult]: For program point L12-27(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,952 INFO L274 CegarLoopResult]: For program point L12-28(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,952 INFO L274 CegarLoopResult]: For program point L12-30(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,952 INFO L274 CegarLoopResult]: For program point L12-31(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,952 INFO L274 CegarLoopResult]: For program point L12-32(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,953 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,953 INFO L274 CegarLoopResult]: For program point L12-34(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,953 INFO L274 CegarLoopResult]: For program point L12-35(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,953 INFO L274 CegarLoopResult]: For program point L12-36(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,954 INFO L274 CegarLoopResult]: For program point L12-38(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,954 INFO L274 CegarLoopResult]: For program point L12-39(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,954 INFO L274 CegarLoopResult]: For program point L12-40(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,954 INFO L274 CegarLoopResult]: For program point L12-42(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,954 INFO L274 CegarLoopResult]: For program point L12-43(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,954 INFO L274 CegarLoopResult]: For program point L12-44(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,955 INFO L274 CegarLoopResult]: For program point L12-46(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,955 INFO L274 CegarLoopResult]: For program point L12-47(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,955 INFO L274 CegarLoopResult]: For program point L12-48(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,955 INFO L274 CegarLoopResult]: For program point L12-50(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,955 INFO L274 CegarLoopResult]: For program point L12-51(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,956 INFO L274 CegarLoopResult]: For program point L12-52(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,956 INFO L274 CegarLoopResult]: For program point L12-54(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,956 INFO L274 CegarLoopResult]: For program point L12-55(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,956 INFO L274 CegarLoopResult]: For program point L12-56(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,956 INFO L274 CegarLoopResult]: For program point L12-58(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,957 INFO L274 CegarLoopResult]: For program point L12-59(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,957 INFO L274 CegarLoopResult]: For program point L12-60(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,957 INFO L274 CegarLoopResult]: For program point L12-62(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,957 INFO L274 CegarLoopResult]: For program point L12-63(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,957 INFO L274 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-11-28 03:16:06,958 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,958 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:16:06,958 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,958 INFO L277 CegarLoopResult]: At program point L66(lines 24 67) the Hoare annotation is: true [2020-11-28 03:16:06,958 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 65) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,959 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 65) no Hoare annotation was computed. [2020-11-28 03:16:06,959 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:06,959 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,959 INFO L270 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,960 INFO L274 CegarLoopResult]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,960 INFO L270 CegarLoopResult]: At program point L18-5(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,960 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,960 INFO L270 CegarLoopResult]: At program point L18-8(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,961 INFO L274 CegarLoopResult]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,961 INFO L270 CegarLoopResult]: At program point L18-11(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,961 INFO L274 CegarLoopResult]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:06,961 INFO L270 CegarLoopResult]: At program point L18-14(lines 17 22) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~j~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (<= (+ ULTIMATE.start_main_~limit~0 4) ULTIMATE.start_main_~bufsize~0) (<= (+ ULTIMATE.start_main_~i~0 2) ULTIMATE.start_main_~len~0) (<= (+ ULTIMATE.start_main_~j~0 5) ULTIMATE.start_main_~bufsize~0)) [2020-11-28 03:16:06,961 INFO L274 CegarLoopResult]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2020-11-28 03:16:07,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:16:07 BoogieIcfgContainer [2020-11-28 03:16:07,022 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:16:07,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:16:07,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:16:07,023 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:16:07,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:03" (3/4) ... [2020-11-28 03:16:07,027 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:16:07,052 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 03:16:07,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:16:07,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:16:07,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:16:07,203 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f26ffd28-fe65-4dce-9b17-17e285e75459/bin/uautomizer/witness.graphml [2020-11-28 03:16:07,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:16:07,206 INFO L168 Benchmark]: Toolchain (without parser) took 5108.82 ms. Allocated memory was 119.5 MB in the beginning and 148.9 MB in the end (delta: 29.4 MB). Free memory was 89.8 MB in the beginning and 124.8 MB in the end (delta: -35.0 MB). Peak memory consumption was 69.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:07,206 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:07,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.22 ms. Allocated memory is still 119.5 MB. Free memory was 89.4 MB in the beginning and 96.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:07,208 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.11 ms. Allocated memory is still 119.5 MB. Free memory was 96.7 MB in the beginning and 94.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:07,209 INFO L168 Benchmark]: Boogie Preprocessor took 45.23 ms. Allocated memory is still 119.5 MB. Free memory was 94.7 MB in the beginning and 93.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:07,209 INFO L168 Benchmark]: RCFGBuilder took 769.14 ms. Allocated memory is still 119.5 MB. Free memory was 93.2 MB in the beginning and 67.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:07,210 INFO L168 Benchmark]: TraceAbstraction took 3640.34 ms. Allocated memory was 119.5 MB in the beginning and 148.9 MB in the end (delta: 29.4 MB). Free memory was 66.5 MB in the beginning and 55.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:07,210 INFO L168 Benchmark]: Witness Printer took 180.78 ms. Allocated memory is still 148.9 MB. Free memory was 55.9 MB in the beginning and 124.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:07,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 381.22 ms. Allocated memory is still 119.5 MB. Free memory was 89.4 MB in the beginning and 96.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.11 ms. Allocated memory is still 119.5 MB. Free memory was 96.7 MB in the beginning and 94.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.23 ms. Allocated memory is still 119.5 MB. Free memory was 94.7 MB in the beginning and 93.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 769.14 ms. Allocated memory is still 119.5 MB. Free memory was 93.2 MB in the beginning and 67.1 MB in the end (delta: 26.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3640.34 ms. Allocated memory was 119.5 MB in the beginning and 148.9 MB in the end (delta: 29.4 MB). Free memory was 66.5 MB in the beginning and 55.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. * Witness Printer took 180.78 ms. Allocated memory is still 148.9 MB. Free memory was 55.9 MB in the beginning and 124.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 <= i && limit + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((0 <= i && 0 <= j) && limit + 4 <= bufsize) && (!(0 == cond) || i < len) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && limit + 4 <= bufsize) && i < len) && j + 5 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 4 <= bufsize - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && j + 5 <= bufsize) && i < len - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((0 <= i && 0 <= j) && !(0 == cond)) && limit + 4 <= bufsize) && i + 2 <= len) && j + 5 <= bufsize - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 450 SDtfs, 374 SDslu, 287 SDs, 0 SdLazy, 329 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=0, 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, 7 MinimizatonAttempts, 37 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 46 NumberOfFragments, 418 HoareAnnotationTreeSize, 20 FomulaSimplifications, 3486 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 276 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 6368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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...