./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:00:44,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:00:44,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:00:44,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:00:44,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:00:44,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:00:44,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:00:44,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:00:44,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:00:44,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:00:44,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:00:44,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:00:44,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:00:44,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:00:44,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:00:44,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:00:44,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:00:44,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:00:44,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:00:44,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:00:44,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:00:44,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:00:44,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:00:44,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:00:44,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:00:44,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:00:44,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:00:44,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:00:44,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:00:44,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:00:44,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:00:44,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:00:44,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:00:44,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:00:44,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:00:44,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:00:44,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:00:44,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:00:44,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:00:44,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:00:44,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:00:44,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:00:44,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:00:44,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:00:44,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:00:44,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:00:44,627 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:00:44,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:00:44,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:00:44,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:00:44,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:00:44,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:00:44,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:00:44,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:00:44,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:00:44,629 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:00:44,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:00:44,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:00:44,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:00:44,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:00:44,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:00:44,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:00:44,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:00:44,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:00:44,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:00:44,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:00:44,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:00:44,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:00:44,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:00:44,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:00:44,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:00:44,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93bb43afb01d6e3a62dc39071b7659c8b1c085d1 [2020-11-30 01:00:44,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:00:44,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:00:44,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:00:44,945 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:00:44,947 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:00:44,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2020-11-30 01:00:45,033 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/data/a02567996/25c56c7e820e4f9aaf7fbd6f1ab7bf31/FLAG2a766470f [2020-11-30 01:00:45,602 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:00:45,603 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2020-11-30 01:00:45,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/data/a02567996/25c56c7e820e4f9aaf7fbd6f1ab7bf31/FLAG2a766470f [2020-11-30 01:00:45,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/data/a02567996/25c56c7e820e4f9aaf7fbd6f1ab7bf31 [2020-11-30 01:00:45,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:00:45,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:00:45,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:00:45,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:00:45,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:00:45,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:00:45" (1/1) ... [2020-11-30 01:00:45,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b933339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:45, skipping insertion in model container [2020-11-30 01:00:45,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:00:45" (1/1) ... [2020-11-30 01:00:45,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:00:45,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:00:46,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:00:46,270 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:00:46,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:00:46,310 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:00:46,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46 WrapperNode [2020-11-30 01:00:46,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:00:46,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:00:46,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:00:46,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:00:46,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:00:46,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:00:46,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:00:46,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:00:46,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... [2020-11-30 01:00:46,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:00:46,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:00:46,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:00:46,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:00:46,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:00:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:00:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:00:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:00:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:00:47,182 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:00:47,182 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-30 01:00:47,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:47 BoogieIcfgContainer [2020-11-30 01:00:47,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:00:47,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:00:47,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:00:47,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:00:47,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:00:45" (1/3) ... [2020-11-30 01:00:47,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537e752e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:00:47, skipping insertion in model container [2020-11-30 01:00:47,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:46" (2/3) ... [2020-11-30 01:00:47,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537e752e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:00:47, skipping insertion in model container [2020-11-30 01:00:47,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:47" (3/3) ... [2020-11-30 01:00:47,194 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2020-11-30 01:00:47,205 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:00:47,210 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-11-30 01:00:47,221 INFO L253 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-11-30 01:00:47,244 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:00:47,244 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:00:47,245 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:00:47,245 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:00:47,245 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:00:47,245 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:00:47,245 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:00:47,245 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:00:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-30 01:00:47,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:00:47,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:00:47,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:47,272 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]=== [2020-11-30 01:00:47,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:47,279 INFO L82 PathProgramCache]: Analyzing trace with hash 89859418, now seen corresponding path program 1 times [2020-11-30 01:00:47,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:47,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551152366] [2020-11-30 01:00:47,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:47,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551152366] [2020-11-30 01:00:47,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:47,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:00:47,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323693283] [2020-11-30 01:00:47,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:00:47,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:47,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:00:47,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:00:47,541 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2020-11-30 01:00:47,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:47,771 INFO L93 Difference]: Finished difference Result 260 states and 354 transitions. [2020-11-30 01:00:47,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:00:47,772 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-30 01:00:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:00:47,793 INFO L225 Difference]: With dead ends: 260 [2020-11-30 01:00:47,795 INFO L226 Difference]: Without dead ends: 118 [2020-11-30 01:00:47,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:00:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-11-30 01:00:47,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2020-11-30 01:00:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-11-30 01:00:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 121 transitions. [2020-11-30 01:00:47,840 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 121 transitions. Word has length 13 [2020-11-30 01:00:47,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:00:47,840 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 121 transitions. [2020-11-30 01:00:47,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:00:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 121 transitions. [2020-11-30 01:00:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 01:00:47,841 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:00:47,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:47,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:00:47,842 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]=== [2020-11-30 01:00:47,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:47,843 INFO L82 PathProgramCache]: Analyzing trace with hash 841035229, now seen corresponding path program 1 times [2020-11-30 01:00:47,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:47,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66313265] [2020-11-30 01:00:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:47,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66313265] [2020-11-30 01:00:47,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:47,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:00:47,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617137325] [2020-11-30 01:00:47,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:00:47,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:47,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:00:47,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:00:47,960 INFO L87 Difference]: Start difference. First operand 118 states and 121 transitions. Second operand 5 states. [2020-11-30 01:00:48,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:48,296 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2020-11-30 01:00:48,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:00:48,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-11-30 01:00:48,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:00:48,299 INFO L225 Difference]: With dead ends: 118 [2020-11-30 01:00:48,299 INFO L226 Difference]: Without dead ends: 86 [2020-11-30 01:00:48,300 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 [2020-11-30 01:00:48,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-11-30 01:00:48,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-11-30 01:00:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-11-30 01:00:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 89 transitions. [2020-11-30 01:00:48,312 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 89 transitions. Word has length 15 [2020-11-30 01:00:48,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:00:48,313 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 89 transitions. [2020-11-30 01:00:48,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:00:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 89 transitions. [2020-11-30 01:00:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 01:00:48,314 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:00:48,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:00:48,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:00:48,314 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]=== [2020-11-30 01:00:48,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:48,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1801308535, now seen corresponding path program 1 times [2020-11-30 01:00:48,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:48,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544445556] [2020-11-30 01:00:48,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:48,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544445556] [2020-11-30 01:00:48,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:48,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:00:48,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134943131] [2020-11-30 01:00:48,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:00:48,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:48,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:00:48,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:00:48,392 INFO L87 Difference]: Start difference. First operand 86 states and 89 transitions. Second operand 4 states. [2020-11-30 01:00:48,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:48,601 INFO L93 Difference]: Finished difference Result 113 states and 118 transitions. [2020-11-30 01:00:48,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:00:48,602 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-11-30 01:00:48,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:00:48,603 INFO L225 Difference]: With dead ends: 113 [2020-11-30 01:00:48,603 INFO L226 Difference]: Without dead ends: 97 [2020-11-30 01:00:48,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:00:48,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-30 01:00:48,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 91. [2020-11-30 01:00:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-11-30 01:00:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2020-11-30 01:00:48,635 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 18 [2020-11-30 01:00:48,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:00:48,635 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2020-11-30 01:00:48,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:00:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2020-11-30 01:00:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 01:00:48,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:00:48,637 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] [2020-11-30 01:00:48,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:00:48,637 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]=== [2020-11-30 01:00:48,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:48,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1393218032, now seen corresponding path program 1 times [2020-11-30 01:00:48,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:48,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950831571] [2020-11-30 01:00:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:48,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:00:48,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950831571] [2020-11-30 01:00:48,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108280594] [2020-11-30 01:00:48,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:00:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:48,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 01:00:48,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:00:48,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:00:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:00:48,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:00:48,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-11-30 01:00:48,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129885530] [2020-11-30 01:00:48,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:00:48,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:48,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:00:48,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:00:48,991 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand 6 states. [2020-11-30 01:00:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:49,197 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2020-11-30 01:00:49,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:00:49,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2020-11-30 01:00:49,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:00:49,199 INFO L225 Difference]: With dead ends: 97 [2020-11-30 01:00:49,199 INFO L226 Difference]: Without dead ends: 73 [2020-11-30 01:00:49,199 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 [2020-11-30 01:00:49,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-30 01:00:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 58. [2020-11-30 01:00:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-30 01:00:49,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2020-11-30 01:00:49,216 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 29 [2020-11-30 01:00:49,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:00:49,217 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2020-11-30 01:00:49,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:00:49,217 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2020-11-30 01:00:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 01:00:49,219 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:00:49,219 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] [2020-11-30 01:00:49,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:00:49,435 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]=== [2020-11-30 01:00:49,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:49,436 INFO L82 PathProgramCache]: Analyzing trace with hash 2066375112, now seen corresponding path program 1 times [2020-11-30 01:00:49,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:49,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67778109] [2020-11-30 01:00:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:49,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67778109] [2020-11-30 01:00:49,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:49,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:00:49,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914223848] [2020-11-30 01:00:49,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:00:49,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:49,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:00:49,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:00:49,537 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 3 states. [2020-11-30 01:00:49,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:49,597 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2020-11-30 01:00:49,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:00:49,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-11-30 01:00:49,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:00:49,599 INFO L225 Difference]: With dead ends: 93 [2020-11-30 01:00:49,599 INFO L226 Difference]: Without dead ends: 58 [2020-11-30 01:00:49,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:00:49,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-11-30 01:00:49,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-11-30 01:00:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-11-30 01:00:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2020-11-30 01:00:49,611 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 41 [2020-11-30 01:00:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:00:49,612 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2020-11-30 01:00:49,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:00:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-11-30 01:00:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 01:00:49,616 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:00:49,617 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] [2020-11-30 01:00:49,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:00:49,618 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]=== [2020-11-30 01:00:49,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:49,619 INFO L82 PathProgramCache]: Analyzing trace with hash -213476088, now seen corresponding path program 1 times [2020-11-30 01:00:49,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:49,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019473277] [2020-11-30 01:00:49,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:49,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:49,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019473277] [2020-11-30 01:00:49,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:49,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:00:49,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665159815] [2020-11-30 01:00:49,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:00:49,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:49,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:00:49,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:00:49,728 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 4 states. [2020-11-30 01:00:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:49,818 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2020-11-30 01:00:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:00:49,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2020-11-30 01:00:49,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:00:49,821 INFO L225 Difference]: With dead ends: 60 [2020-11-30 01:00:49,821 INFO L226 Difference]: Without dead ends: 56 [2020-11-30 01:00:49,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:00:49,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-30 01:00:49,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2020-11-30 01:00:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-30 01:00:49,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-11-30 01:00:49,834 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 42 [2020-11-30 01:00:49,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:00:49,836 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-11-30 01:00:49,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:00:49,837 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-11-30 01:00:49,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:00:49,839 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:00:49,844 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] [2020-11-30 01:00:49,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:00:49,845 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]=== [2020-11-30 01:00:49,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:49,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1393399947, now seen corresponding path program 1 times [2020-11-30 01:00:49,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:00:49,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323515462] [2020-11-30 01:00:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:00:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:49,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:49,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323515462] [2020-11-30 01:00:49,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:00:49,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:00:49,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914676104] [2020-11-30 01:00:49,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:00:49,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:00:49,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:00:49,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:00:49,957 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 5 states. [2020-11-30 01:00:50,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:00:50,063 INFO L93 Difference]: Finished difference Result 61 states and 64 transitions. [2020-11-30 01:00:50,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:00:50,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-11-30 01:00:50,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:00:50,064 INFO L225 Difference]: With dead ends: 61 [2020-11-30 01:00:50,064 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:00:50,065 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 [2020-11-30 01:00:50,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:00:50,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:00:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:00:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:00:50,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2020-11-30 01:00:50,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:00:50,066 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:00:50,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:00:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:00:50,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:00:50,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:00:50,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:00:50,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,715 INFO L274 CegarLoopResult]: For program point L69(lines 69 75) no Hoare annotation was computed. [2020-11-30 01:00:50,715 INFO L274 CegarLoopResult]: For program point L36(lines 25 83) no Hoare annotation was computed. [2020-11-30 01:00:50,716 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))) [2020-11-30 01:00:50,716 INFO L274 CegarLoopResult]: For program point L37(lines 25 83) no Hoare annotation was computed. [2020-11-30 01:00:50,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,716 INFO L274 CegarLoopResult]: For program point L44(lines 44 80) no Hoare annotation was computed. [2020-11-30 01:00:50,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,716 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-4(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-6(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-7(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-8(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-10(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,717 INFO L274 CegarLoopResult]: For program point L12-11(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,718 INFO L274 CegarLoopResult]: For program point L12-12(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,718 INFO L274 CegarLoopResult]: For program point L12-14(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,718 INFO L274 CegarLoopResult]: For program point L12-15(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,718 INFO L274 CegarLoopResult]: For program point L12-16(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,718 INFO L274 CegarLoopResult]: For program point L12-18(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,718 INFO L274 CegarLoopResult]: For program point L12-19(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,720 INFO L274 CegarLoopResult]: For program point L12-20(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,720 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,720 INFO L274 CegarLoopResult]: For program point L12-22(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,720 INFO L274 CegarLoopResult]: For program point L12-23(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,721 INFO L274 CegarLoopResult]: For program point L12-24(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,722 INFO L274 CegarLoopResult]: For program point L12-26(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,722 INFO L274 CegarLoopResult]: For program point L12-27(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,722 INFO L274 CegarLoopResult]: For program point L12-28(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,723 INFO L274 CegarLoopResult]: For program point L12-30(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,723 INFO L274 CegarLoopResult]: For program point L12-31(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,723 INFO L274 CegarLoopResult]: For program point L12-32(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,723 INFO L274 CegarLoopResult]: For program point L12-34(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,724 INFO L274 CegarLoopResult]: For program point L12-35(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,724 INFO L274 CegarLoopResult]: For program point L12-36(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,724 INFO L274 CegarLoopResult]: For program point L12-38(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,724 INFO L274 CegarLoopResult]: For program point L12-39(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,724 INFO L274 CegarLoopResult]: For program point L12-40(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,724 INFO L274 CegarLoopResult]: For program point L12-42(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,724 INFO L274 CegarLoopResult]: For program point L12-43(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,725 INFO L274 CegarLoopResult]: For program point L12-44(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,725 INFO L274 CegarLoopResult]: For program point L12-46(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,725 INFO L274 CegarLoopResult]: For program point L12-47(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,725 INFO L274 CegarLoopResult]: For program point L12-48(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,725 INFO L274 CegarLoopResult]: For program point L12-50(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-51(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-52(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-54(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-55(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-56(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-58(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-59(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 INFO L274 CegarLoopResult]: For program point L12-60(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,726 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)) [2020-11-30 01:00:50,727 INFO L274 CegarLoopResult]: For program point L12-62(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,736 INFO L274 CegarLoopResult]: For program point L47-2(lines 47 52) no Hoare annotation was computed. [2020-11-30 01:00:50,737 INFO L274 CegarLoopResult]: For program point L12-63(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,737 INFO L274 CegarLoopResult]: For program point L12-64(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,737 INFO L274 CegarLoopResult]: For program point L12-66(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,737 INFO L274 CegarLoopResult]: For program point L12-67(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,738 INFO L274 CegarLoopResult]: For program point L12-68(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,738 INFO L274 CegarLoopResult]: For program point L12-70(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,738 INFO L274 CegarLoopResult]: For program point L12-71(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,738 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,738 INFO L277 CegarLoopResult]: At program point L81(lines 25 83) the Hoare annotation is: true [2020-11-30 01:00:50,738 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-30 01:00:50,738 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,740 INFO L277 CegarLoopResult]: At program point L82(lines 24 83) the Hoare annotation is: true [2020-11-30 01:00:50,740 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,741 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)) [2020-11-30 01:00:50,741 INFO L274 CegarLoopResult]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,741 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)) [2020-11-30 01:00:50,741 INFO L274 CegarLoopResult]: For program point L18-6(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,741 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)) [2020-11-30 01:00:50,741 INFO L274 CegarLoopResult]: For program point L18-9(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,741 INFO L274 CegarLoopResult]: For program point L18-12(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,741 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)) [2020-11-30 01:00:50,742 INFO L274 CegarLoopResult]: For program point L18-15(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,742 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)) [2020-11-30 01:00:50,742 INFO L274 CegarLoopResult]: For program point L18-18(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,742 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)) [2020-11-30 01:00:50,742 INFO L274 CegarLoopResult]: For program point L18-21(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,745 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)) [2020-11-30 01:00:50,746 INFO L274 CegarLoopResult]: For program point L18-24(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,746 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)) [2020-11-30 01:00:50,746 INFO L274 CegarLoopResult]: For program point L18-27(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,746 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)) [2020-11-30 01:00:50,746 INFO L274 CegarLoopResult]: For program point L18-30(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,747 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)) [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L18-33(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L19-4(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L19-5(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,747 INFO L274 CegarLoopResult]: For program point L18-36(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,748 INFO L274 CegarLoopResult]: For program point L19-6(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,748 INFO L274 CegarLoopResult]: For program point L19-7(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,748 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))) [2020-11-30 01:00:50,748 INFO L274 CegarLoopResult]: For program point L19-8(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,748 INFO L274 CegarLoopResult]: For program point L18-39(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,748 INFO L274 CegarLoopResult]: For program point L19-9(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,748 INFO L274 CegarLoopResult]: For program point L19-10(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,750 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))) [2020-11-30 01:00:50,750 INFO L274 CegarLoopResult]: For program point L19-11(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,750 INFO L274 CegarLoopResult]: For program point L18-42(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,750 INFO L274 CegarLoopResult]: For program point L19-12(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,750 INFO L274 CegarLoopResult]: For program point L19-13(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,750 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)) [2020-11-30 01:00:50,751 INFO L274 CegarLoopResult]: For program point L19-14(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,751 INFO L274 CegarLoopResult]: For program point L18-45(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,751 INFO L274 CegarLoopResult]: For program point L19-15(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,751 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)) [2020-11-30 01:00:50,751 INFO L274 CegarLoopResult]: For program point L19-16(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,751 INFO L274 CegarLoopResult]: For program point L18-48(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,751 INFO L274 CegarLoopResult]: For program point L19-17(line 19) no Hoare annotation was computed. [2020-11-30 01:00:50,751 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)) [2020-11-30 01:00:50,751 INFO L274 CegarLoopResult]: For program point L18-51(lines 18 20) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point L61(lines 61 79) no Hoare annotation was computed. [2020-11-30 01:00:50,752 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 01:00:50,753 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))) [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 01:00:50,753 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 83) no Hoare annotation was computed. [2020-11-30 01:00:50,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:00:50 BoogieIcfgContainer [2020-11-30 01:00:50,797 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:00:50,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:00:50,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:00:50,798 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:00:50,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:47" (3/4) ... [2020-11-30 01:00:50,811 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:00:50,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2020-11-30 01:00:50,836 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:00:50,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:00:50,837 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:00:50,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_754d646b-f9c4-4349-9695-92498d31cc9a/bin/uautomizer/witness.graphml [2020-11-30 01:00:50,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:00:50,971 INFO L168 Benchmark]: Toolchain (without parser) took 5027.13 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 61.1 MB in the beginning and 97.3 MB in the end (delta: -36.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:00:50,972 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 71.2 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:00:50,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.88 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 71.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:50,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.70 ms. Allocated memory is still 96.5 MB. Free memory was 71.4 MB in the beginning and 69.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:50,974 INFO L168 Benchmark]: Boogie Preprocessor took 34.08 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 67.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:50,974 INFO L168 Benchmark]: RCFGBuilder took 788.32 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 37.3 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:50,974 INFO L168 Benchmark]: TraceAbstraction took 3611.38 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 37.3 MB in the beginning and 104.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:50,975 INFO L168 Benchmark]: Witness Printer took 172.12 ms. Allocated memory is still 132.1 MB. Free memory was 104.7 MB in the beginning and 97.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:50,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 71.2 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.88 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 71.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.70 ms. Allocated memory is still 96.5 MB. Free memory was 71.4 MB in the beginning and 69.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.08 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 67.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 788.32 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 37.3 MB in the end (delta: 30.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3611.38 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 37.3 MB in the beginning and 104.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 16.1 GB. * Witness Printer took 172.12 ms. Allocated memory is still 132.1 MB. Free memory was 104.7 MB in the beginning and 97.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 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: 2.8s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 1.3s, 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, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s 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: 0.1s 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, 0.6s 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...