./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:21:45,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:21:45,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:21:45,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:21:45,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:21:45,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:21:45,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:21:45,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:21:45,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:21:45,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:21:45,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:21:45,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:21:45,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:21:45,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:21:45,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:21:45,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:21:45,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:21:45,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:21:45,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:21:45,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:21:45,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:21:45,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:21:45,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:21:45,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:21:45,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:21:45,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:21:45,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:21:45,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:21:45,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:21:45,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:21:45,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:21:45,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:21:45,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:21:45,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:21:45,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:21:45,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:21:45,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:21:45,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:21:45,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:21:45,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:21:45,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:21:45,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:21:45,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:21:45,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:21:45,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:21:45,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:21:45,595 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:21:45,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:21:45,596 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:21:45,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:21:45,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:21:45,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:21:45,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:21:45,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:21:45,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:21:45,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:21:45,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:21:45,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:21:45,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:21:45,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:21:45,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:21:45,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:21:45,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:21:45,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:21:45,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:21:45,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:21:45,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:21:45,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:21:45,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:21:45,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:21:45,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:21:45,602 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2020-10-25 22:21:45,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:21:46,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:21:46,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:21:46,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:21:46,046 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:21:46,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2020-10-25 22:21:46,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ae4ff76/563ef998d5a64379823f96e9e2929a49/FLAG7b9c9d597 [2020-10-25 22:21:46,774 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:21:46,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2020-10-25 22:21:46,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ae4ff76/563ef998d5a64379823f96e9e2929a49/FLAG7b9c9d597 [2020-10-25 22:21:47,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01ae4ff76/563ef998d5a64379823f96e9e2929a49 [2020-10-25 22:21:47,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:21:47,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:21:47,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:21:47,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:21:47,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:21:47,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636c45bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47, skipping insertion in model container [2020-10-25 22:21:47,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:21:47,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:21:47,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:21:47,459 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:21:47,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:21:47,509 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:21:47,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47 WrapperNode [2020-10-25 22:21:47,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:21:47,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:21:47,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:21:47,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:21:47,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:21:47,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:21:47,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:21:47,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:21:47,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... [2020-10-25 22:21:47,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:21:47,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:21:47,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:21:47,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:21:47,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-25 22:21:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:21:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:21:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:21:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:21:48,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:21:48,528 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-10-25 22:21:48,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:48 BoogieIcfgContainer [2020-10-25 22:21:48,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:21:48,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:21:48,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:21:48,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:21:48,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:21:47" (1/3) ... [2020-10-25 22:21:48,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326f44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:21:48, skipping insertion in model container [2020-10-25 22:21:48,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:21:47" (2/3) ... [2020-10-25 22:21:48,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@326f44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:21:48, skipping insertion in model container [2020-10-25 22:21:48,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:48" (3/3) ... [2020-10-25 22:21:48,539 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2020-10-25 22:21:48,552 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:21:48,557 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-10-25 22:21:48,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-10-25 22:21:48,607 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:21:48,607 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:21:48,607 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:21:48,608 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:21:48,608 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:21:48,608 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:21:48,608 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:21:48,608 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:21:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-10-25 22:21:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:21:48,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:48,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:48,639 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_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]=== [2020-10-25 22:21:48,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:48,645 INFO L82 PathProgramCache]: Analyzing trace with hash 89859418, now seen corresponding path program 1 times [2020-10-25 22:21:48,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:48,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52290748] [2020-10-25 22:21:48,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:48,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52290748] [2020-10-25 22:21:48,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:48,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 22:21:48,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604204497] [2020-10-25 22:21:48,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 22:21:48,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:48,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 22:21:48,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:48,897 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2020-10-25 22:21:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:49,142 INFO L93 Difference]: Finished difference Result 260 states and 354 transitions. [2020-10-25 22:21:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 22:21:49,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-25 22:21:49,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:49,156 INFO L225 Difference]: With dead ends: 260 [2020-10-25 22:21:49,157 INFO L226 Difference]: Without dead ends: 118 [2020-10-25 22:21:49,161 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 [2020-10-25 22:21:49,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-25 22:21:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-10-25 22:21:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-10-25 22:21:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 121 transitions. [2020-10-25 22:21:49,210 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 121 transitions. Word has length 13 [2020-10-25 22:21:49,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:49,211 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 121 transitions. [2020-10-25 22:21:49,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 22:21:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 121 transitions. [2020-10-25 22:21:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-25 22:21:49,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:49,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:49,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:21:49,213 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_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]=== [2020-10-25 22:21:49,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:49,214 INFO L82 PathProgramCache]: Analyzing trace with hash 841035229, now seen corresponding path program 1 times [2020-10-25 22:21:49,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:49,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467912074] [2020-10-25 22:21:49,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:49,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467912074] [2020-10-25 22:21:49,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:49,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:21:49,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330555339] [2020-10-25 22:21:49,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:21:49,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:49,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:21:49,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:21:49,307 INFO L87 Difference]: Start difference. First operand 118 states and 121 transitions. Second operand 5 states. [2020-10-25 22:21:49,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:49,731 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2020-10-25 22:21:49,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:21:49,732 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-25 22:21:49,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:49,734 INFO L225 Difference]: With dead ends: 118 [2020-10-25 22:21:49,734 INFO L226 Difference]: Without dead ends: 86 [2020-10-25 22:21:49,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-25 22:21:49,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-25 22:21:49,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-25 22:21:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-25 22:21:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 89 transitions. [2020-10-25 22:21:49,749 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 89 transitions. Word has length 15 [2020-10-25 22:21:49,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:49,750 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 89 transitions. [2020-10-25 22:21:49,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:21:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 89 transitions. [2020-10-25 22:21:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 22:21:49,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:49,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:49,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:21:49,752 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_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]=== [2020-10-25 22:21:49,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:49,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1801308535, now seen corresponding path program 1 times [2020-10-25 22:21:49,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:49,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151995870] [2020-10-25 22:21:49,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:49,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151995870] [2020-10-25 22:21:49,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:49,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:21:49,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198850755] [2020-10-25 22:21:49,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:21:49,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:49,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:21:49,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:21:49,839 INFO L87 Difference]: Start difference. First operand 86 states and 89 transitions. Second operand 4 states. [2020-10-25 22:21:50,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:50,113 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2020-10-25 22:21:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:21:50,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-25 22:21:50,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:50,116 INFO L225 Difference]: With dead ends: 113 [2020-10-25 22:21:50,116 INFO L226 Difference]: Without dead ends: 97 [2020-10-25 22:21:50,117 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 [2020-10-25 22:21:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-25 22:21:50,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 91. [2020-10-25 22:21:50,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-25 22:21:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2020-10-25 22:21:50,131 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 18 [2020-10-25 22:21:50,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:50,131 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2020-10-25 22:21:50,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:21:50,131 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2020-10-25 22:21:50,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-25 22:21:50,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:50,133 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:50,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 22:21:50,134 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_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]=== [2020-10-25 22:21:50,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:50,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1393218032, now seen corresponding path program 1 times [2020-10-25 22:21:50,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:50,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312332360] [2020-10-25 22:21:50,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-25 22:21:50,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312332360] [2020-10-25 22:21:50,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127782634] [2020-10-25 22:21:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:21:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:50,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-25 22:21:50,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 22:21:50,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-25 22:21:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-25 22:21:50,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 22:21:50,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-25 22:21:50,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973410765] [2020-10-25 22:21:50,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 22:21:50,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:50,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 22:21:50,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 22:21:50,450 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand 6 states. [2020-10-25 22:21:50,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:50,691 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2020-10-25 22:21:50,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 22:21:50,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-10-25 22:21:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:50,693 INFO L225 Difference]: With dead ends: 97 [2020-10-25 22:21:50,693 INFO L226 Difference]: Without dead ends: 73 [2020-10-25 22:21:50,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-25 22:21:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-25 22:21:50,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 58. [2020-10-25 22:21:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-25 22:21:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2020-10-25 22:21:50,702 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 29 [2020-10-25 22:21:50,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:50,703 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2020-10-25 22:21:50,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 22:21:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2020-10-25 22:21:50,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-25 22:21:50,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:50,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:50,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 22:21:50,919 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_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]=== [2020-10-25 22:21:50,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:50,921 INFO L82 PathProgramCache]: Analyzing trace with hash 2066375112, now seen corresponding path program 1 times [2020-10-25 22:21:50,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:50,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622426462] [2020-10-25 22:21:50,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:50,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622426462] [2020-10-25 22:21:50,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:50,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 22:21:50,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447329480] [2020-10-25 22:21:50,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 22:21:50,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:50,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 22:21:50,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 22:21:50,986 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 3 states. [2020-10-25 22:21:51,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:51,052 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2020-10-25 22:21:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 22:21:51,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-10-25 22:21:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:51,055 INFO L225 Difference]: With dead ends: 93 [2020-10-25 22:21:51,055 INFO L226 Difference]: Without dead ends: 58 [2020-10-25 22:21:51,056 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 [2020-10-25 22:21:51,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-25 22:21:51,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-10-25 22:21:51,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-25 22:21:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2020-10-25 22:21:51,073 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 41 [2020-10-25 22:21:51,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:51,073 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2020-10-25 22:21:51,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 22:21:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-10-25 22:21:51,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-25 22:21:51,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:51,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:51,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 22:21:51,079 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_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]=== [2020-10-25 22:21:51,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:51,080 INFO L82 PathProgramCache]: Analyzing trace with hash -213476088, now seen corresponding path program 1 times [2020-10-25 22:21:51,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:51,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65344770] [2020-10-25 22:21:51,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:51,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65344770] [2020-10-25 22:21:51,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:51,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:21:51,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453479644] [2020-10-25 22:21:51,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:21:51,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:51,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:21:51,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:21:51,195 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 4 states. [2020-10-25 22:21:51,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:51,285 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2020-10-25 22:21:51,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:21:51,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-10-25 22:21:51,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:51,287 INFO L225 Difference]: With dead ends: 60 [2020-10-25 22:21:51,287 INFO L226 Difference]: Without dead ends: 56 [2020-10-25 22:21:51,288 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 [2020-10-25 22:21:51,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-25 22:21:51,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2020-10-25 22:21:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-25 22:21:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-10-25 22:21:51,295 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 42 [2020-10-25 22:21:51,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:51,296 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-10-25 22:21:51,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:21:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-10-25 22:21:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-25 22:21:51,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:21:51,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:21:51,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 22:21:51,299 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_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]=== [2020-10-25 22:21:51,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:21:51,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1393399947, now seen corresponding path program 1 times [2020-10-25 22:21:51,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:21:51,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557645109] [2020-10-25 22:21:51,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:21:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:21:51,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:21:51,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557645109] [2020-10-25 22:21:51,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:21:51,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 22:21:51,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385647053] [2020-10-25 22:21:51,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 22:21:51,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:21:51,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 22:21:51,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:21:51,433 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 5 states. [2020-10-25 22:21:51,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:21:51,551 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2020-10-25 22:21:51,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 22:21:51,552 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-10-25 22:21:51,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:21:51,552 INFO L225 Difference]: With dead ends: 61 [2020-10-25 22:21:51,553 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:21:51,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 22:21:51,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:21:51,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:21:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:21:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:21:51,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2020-10-25 22:21:51,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:21:51,558 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:21:51,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 22:21:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:21:51,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:21:51,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 22:21:51,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:21:52,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,246 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,246 INFO L274 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-10-25 22:21:52,247 INFO L274 CegarLoopResult]: For program point L36(lines 25 83) no Hoare annotation was computed. [2020-10-25 22:21:52,247 INFO L270 CegarLoopResult]: At program point L69-1(lines 69 75) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~cp~0)) (.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse2 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse3 (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~c~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start_main_~c~0) .cse3))) [2020-10-25 22:21:52,247 INFO L274 CegarLoopResult]: For program point L37(lines 25 83) no Hoare annotation was computed. [2020-10-25 22:21:52,247 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,248 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,248 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,248 INFO L274 CegarLoopResult]: For program point L44(lines 44 80) no Hoare annotation was computed. [2020-10-25 22:21:52,248 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,248 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,248 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,248 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,249 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,249 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,249 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,249 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,249 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,250 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,250 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,250 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,250 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,250 INFO L274 CegarLoopResult]: For program point L12-15(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,251 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,252 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point L12-19(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point L12-23(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point L12-24(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point L12-26(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,253 INFO L274 CegarLoopResult]: For program point L12-27(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,254 INFO L274 CegarLoopResult]: For program point L12-28(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,254 INFO L274 CegarLoopResult]: For program point L12-30(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,254 INFO L274 CegarLoopResult]: For program point L12-31(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,255 INFO L274 CegarLoopResult]: For program point L12-32(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,255 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,255 INFO L274 CegarLoopResult]: For program point L12-34(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,255 INFO L274 CegarLoopResult]: For program point L12-35(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,255 INFO L274 CegarLoopResult]: For program point L12-36(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,255 INFO L274 CegarLoopResult]: For program point L12-38(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,255 INFO L274 CegarLoopResult]: For program point L12-39(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,256 INFO L274 CegarLoopResult]: For program point L12-40(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,256 INFO L274 CegarLoopResult]: For program point L12-42(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,256 INFO L274 CegarLoopResult]: For program point L12-43(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,257 INFO L274 CegarLoopResult]: For program point L12-44(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,257 INFO L274 CegarLoopResult]: For program point L12-46(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,257 INFO L274 CegarLoopResult]: For program point L12-47(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,257 INFO L274 CegarLoopResult]: For program point L12-48(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,257 INFO L274 CegarLoopResult]: For program point L12-50(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-51(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-52(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-54(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-55(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-56(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-58(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-59(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,258 INFO L274 CegarLoopResult]: For program point L12-60(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,261 INFO L270 CegarLoopResult]: At program point L47-1(lines 17 52) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,261 INFO L274 CegarLoopResult]: For program point L12-62(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,262 INFO L274 CegarLoopResult]: For program point L47-2(lines 47 52) no Hoare annotation was computed. [2020-10-25 22:21:52,262 INFO L274 CegarLoopResult]: For program point L12-63(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,263 INFO L274 CegarLoopResult]: For program point L12-64(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,264 INFO L274 CegarLoopResult]: For program point L12-66(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,264 INFO L274 CegarLoopResult]: For program point L12-67(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,264 INFO L274 CegarLoopResult]: For program point L12-68(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,264 INFO L274 CegarLoopResult]: For program point L12-70(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,264 INFO L274 CegarLoopResult]: For program point L12-71(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,265 INFO L277 CegarLoopResult]: At program point L81(lines 25 83) the Hoare annotation is: true [2020-10-25 22:21:52,265 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 22:21:52,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,267 INFO L277 CegarLoopResult]: At program point L82(lines 24 83) the Hoare annotation is: true [2020-10-25 22:21:52,267 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,268 INFO L270 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,268 INFO L274 CegarLoopResult]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,269 INFO L270 CegarLoopResult]: At program point L18-5(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,269 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,269 INFO L270 CegarLoopResult]: At program point L18-8(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,269 INFO L274 CegarLoopResult]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,269 INFO L274 CegarLoopResult]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,269 INFO L270 CegarLoopResult]: At program point L18-14(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,269 INFO L274 CegarLoopResult]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,270 INFO L270 CegarLoopResult]: At program point L18-17(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,270 INFO L274 CegarLoopResult]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,271 INFO L270 CegarLoopResult]: At program point L18-20(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,271 INFO L274 CegarLoopResult]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,273 INFO L270 CegarLoopResult]: At program point L18-23(line 55) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,273 INFO L274 CegarLoopResult]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,274 INFO L270 CegarLoopResult]: At program point L18-26(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,274 INFO L274 CegarLoopResult]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,274 INFO L270 CegarLoopResult]: At program point L18-29(line 58) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,274 INFO L274 CegarLoopResult]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,274 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,274 INFO L274 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,275 INFO L270 CegarLoopResult]: At program point L18-32(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (= ULTIMATE.start_main_~c~0 0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,277 INFO L274 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,277 INFO L274 CegarLoopResult]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,277 INFO L274 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,277 INFO L274 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,281 INFO L274 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,282 INFO L274 CegarLoopResult]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,282 INFO L274 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,282 INFO L274 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,282 INFO L270 CegarLoopResult]: At program point L18-38(lines 17 22) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~cp~0)) (.cse1 (<= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse3 (<= (+ ULTIMATE.start_main_~c~0 2) ULTIMATE.start_main_~tokenlen~0)) (.cse4 (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start_main_~c~0) .cse3 .cse4) (and .cse0 (= ULTIMATE.start_main_~c~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-10-25 22:21:52,282 INFO L274 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,282 INFO L274 CegarLoopResult]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,283 INFO L274 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,283 INFO L274 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,283 INFO L270 CegarLoopResult]: At program point L18-41(lines 17 22) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~cp~0)) (.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse2 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse3 (<= (+ ULTIMATE.start_main_~c~0 2) ULTIMATE.start_main_~tokenlen~0)) (.cse4 (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~c~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start_main_~c~0) .cse3 .cse4))) [2020-10-25 22:21:52,283 INFO L274 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,283 INFO L274 CegarLoopResult]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,283 INFO L274 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,283 INFO L274 CegarLoopResult]: For program point L19-13(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,284 INFO L270 CegarLoopResult]: At program point L18-44(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~c~0) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,284 INFO L274 CegarLoopResult]: For program point L19-14(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,284 INFO L274 CegarLoopResult]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,284 INFO L274 CegarLoopResult]: For program point L19-15(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,284 INFO L270 CegarLoopResult]: At program point L18-47(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~c~0) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,284 INFO L274 CegarLoopResult]: For program point L19-16(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,284 INFO L274 CegarLoopResult]: For program point L18-48(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,284 INFO L274 CegarLoopResult]: For program point L19-17(line 19) no Hoare annotation was computed. [2020-10-25 22:21:52,285 INFO L270 CegarLoopResult]: At program point L18-50(lines 17 22) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~cp~0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (< 0 (+ ULTIMATE.start_main_~scheme~0 1)) (<= 1 ULTIMATE.start_main_~c~0) (< (+ ULTIMATE.start_main_~cp~0 1) ULTIMATE.start_main_~urilen~0)) [2020-10-25 22:21:52,285 INFO L274 CegarLoopResult]: For program point L18-51(lines 18 20) no Hoare annotation was computed. [2020-10-25 22:21:52,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:21:52,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:21:52,285 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,286 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,286 INFO L274 CegarLoopResult]: For program point L61(lines 61 79) no Hoare annotation was computed. [2020-10-25 22:21:52,286 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:21:52,286 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-10-25 22:21:52,286 INFO L270 CegarLoopResult]: At program point L65-1(lines 17 77) the Hoare annotation is: (let ((.cse0 (<= 1 ULTIMATE.start_main_~cp~0)) (.cse1 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse2 (< 0 (+ ULTIMATE.start_main_~scheme~0 1))) (.cse3 (< ULTIMATE.start_main_~cp~0 ULTIMATE.start_main_~urilen~0))) (or (and .cse0 .cse1 .cse2 (<= 1 ULTIMATE.start_main_~c~0) .cse3) (and .cse0 .cse1 (= ULTIMATE.start_main_~c~0 0) .cse2 .cse3))) [2020-10-25 22:21:52,286 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:21:52,286 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,287 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 22:21:52,287 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-25 22:21:52,287 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-25 22:21:52,287 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-10-25 22:21:52,287 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 83) no Hoare annotation was computed. [2020-10-25 22:21:52,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:21:52 BoogieIcfgContainer [2020-10-25 22:21:52,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:21:52,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:21:52,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:21:52,343 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:21:52,343 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:21:48" (3/4) ... [2020-10-25 22:21:52,348 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:21:52,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2020-10-25 22:21:52,375 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 22:21:52,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:21:52,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:21:52,499 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:21:52,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:21:52,501 INFO L168 Benchmark]: Toolchain (without parser) took 5356.66 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 23.1 MB in the beginning and 41.9 MB in the end (delta: -18.8 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:52,502 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 46.1 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:21:52,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.24 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 23.3 MB in the end (delta: -823.4 kB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:52,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.36 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 20.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:52,503 INFO L168 Benchmark]: Boogie Preprocessor took 48.21 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.9 MB in the beginning and 41.1 MB in the end (delta: -20.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:52,504 INFO L168 Benchmark]: RCFGBuilder took 918.39 ms. Allocated memory is still 56.6 MB. Free memory was 41.1 MB in the beginning and 39.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:52,504 INFO L168 Benchmark]: TraceAbstraction took 3810.05 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 39.4 MB in the beginning and 48.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:52,505 INFO L168 Benchmark]: Witness Printer took 157.17 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 41.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 22:21:52,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 46.1 MB. Free memory was 24.8 MB in the beginning and 24.8 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.24 ms. Allocated memory is still 46.1 MB. Free memory was 22.5 MB in the beginning and 23.3 MB in the end (delta: -823.4 kB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.36 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 20.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.21 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.9 MB in the beginning and 41.1 MB in the end (delta: -20.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 918.39 ms. Allocated memory is still 56.6 MB. Free memory was 41.1 MB in the beginning and 39.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3810.05 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 39.4 MB in the beginning and 48.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * Witness Printer took 157.17 ms. Allocated memory is still 69.2 MB. Free memory was 48.2 MB in the beginning and 41.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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 - 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 18 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && 1 <= cond) && 0 < scheme + 1) && cp < urilen - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && cp < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && 1 <= c) && cp + 1 < urilen - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= cp && c == 0) && 1 <= cond) && 0 < scheme + 1) && cp + 1 < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && 1 <= cond) && 0 < scheme + 1) && cp < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((1 <= cp && !(0 == cond)) && c == 0) && 0 < scheme + 1) && c + 2 <= tokenlen) && cp + 1 < urilen) || (((((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && 1 <= c) && c + 2 <= tokenlen) && cp + 1 < urilen) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && 1 <= cond) && 0 < scheme + 1) && cp < urilen - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && cp + 1 < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= cp && 1 <= cond) && 0 < scheme + 1) && 1 <= c) && cp + 1 < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && 1 <= c) && cp < urilen) || ((((1 <= cp && !(0 == cond)) && c == 0) && 0 < scheme + 1) && cp < urilen) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && cp + 1 < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((1 <= cp && 1 <= cond) && 0 < scheme + 1) && 1 <= c) && c + 2 <= tokenlen) && cp + 1 < urilen) || (((((1 <= cp && c == 0) && 1 <= cond) && 0 < scheme + 1) && c + 2 <= tokenlen) && cp + 1 < urilen) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && cp < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && 0 < scheme + 1) && 1 <= cond) && cp + 1 < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && 1 <= c) && cp + 1 < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && cp < urilen - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((1 <= cp && 0 < scheme + 1) && 1 <= cond) && cp + 1 < urilen - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((1 <= cp && !(0 == cond)) && c == 0) && 0 < scheme + 1) && cp + 1 < urilen) || ((((1 <= cp && !(0 == cond)) && 0 < scheme + 1) && 1 <= c) && cp + 1 < urilen) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 463 SDtfs, 291 SDslu, 425 SDs, 0 SdLazy, 328 SolverSat, 209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 48 NumberOfFragments, 433 HoareAnnotationTreeSize, 20 FomulaSimplifications, 319 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 20 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 13218 SizeOfPredicates, 5 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/6 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...