/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:38:11,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:38:11,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:38:11,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:38:11,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:38:11,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:38:11,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:38:11,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:38:11,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:38:11,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:38:11,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:38:11,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:38:11,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:38:11,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:38:11,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:38:11,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:38:11,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:38:11,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:38:11,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:38:11,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:38:11,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:38:11,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:38:11,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:38:11,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:38:11,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 23:38:11,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:38:11,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:38:11,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:38:11,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:38:11,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:38:11,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:38:11,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:38:11,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:38:11,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:38:11,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:38:11,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:38:11,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 23:38:11,388 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:38:11,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:38:11,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:38:11,390 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:38:11,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:38:11,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:38:11,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:38:11,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:38:11,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:38:11,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:38:11,392 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:38:11,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:38:11,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:38:11,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:38:11,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:38:11,393 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:38:11,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:38:11,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:38:11,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:38:11,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:38:11,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:38:11,394 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:38:11,395 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 23:38:11,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:38:11,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:38:11,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:38:11,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:38:11,733 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:38:11,734 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-07-08 23:38:11,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac61d855/51350a49c65148118a82ec9d59d8180a/FLAGeb3ae5ac6 [2020-07-08 23:38:12,355 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:38:12,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-07-08 23:38:12,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac61d855/51350a49c65148118a82ec9d59d8180a/FLAGeb3ae5ac6 [2020-07-08 23:38:12,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac61d855/51350a49c65148118a82ec9d59d8180a [2020-07-08 23:38:12,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:38:12,787 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:38:12,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:38:12,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:38:12,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:38:12,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:38:12" (1/1) ... [2020-07-08 23:38:12,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10986283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:12, skipping insertion in model container [2020-07-08 23:38:12,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:38:12" (1/1) ... [2020-07-08 23:38:12,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:38:12,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:38:13,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:38:13,041 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:38:13,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:38:13,129 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:38:13,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13 WrapperNode [2020-07-08 23:38:13,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:38:13,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:38:13,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:38:13,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:38:13,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... [2020-07-08 23:38:13,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... [2020-07-08 23:38:13,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... [2020-07-08 23:38:13,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... [2020-07-08 23:38:13,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... [2020-07-08 23:38:13,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... [2020-07-08 23:38:13,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... [2020-07-08 23:38:13,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:38:13,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:38:13,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:38:13,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:38:13,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:38:13,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:38:13,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:38:13,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 23:38:13,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 23:38:13,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:38:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:38:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 23:38:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 23:38:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:38:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:38:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:38:13,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:38:13,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:38:14,079 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:38:14,080 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-08 23:38:14,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:38:14 BoogieIcfgContainer [2020-07-08 23:38:14,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:38:14,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:38:14,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:38:14,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:38:14,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:38:12" (1/3) ... [2020-07-08 23:38:14,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ecbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:38:14, skipping insertion in model container [2020-07-08 23:38:14,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:38:13" (2/3) ... [2020-07-08 23:38:14,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113ecbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:38:14, skipping insertion in model container [2020-07-08 23:38:14,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:38:14" (3/3) ... [2020-07-08 23:38:14,094 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2020-07-08 23:38:14,104 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:38:14,112 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 23:38:14,128 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 23:38:14,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:38:14,151 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:38:14,151 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:38:14,152 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:38:14,152 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:38:14,152 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:38:14,153 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:38:14,153 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:38:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-07-08 23:38:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-08 23:38:14,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:14,186 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] [2020-07-08 23:38:14,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:14,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:14,192 INFO L82 PathProgramCache]: Analyzing trace with hash 60896664, now seen corresponding path program 1 times [2020-07-08 23:38:14,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:14,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928230032] [2020-07-08 23:38:14,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:14,478 INFO L280 TraceCheckUtils]: 0: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-08 23:38:14,478 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {95#true} {95#true} #180#return; {95#true} is VALID [2020-07-08 23:38:14,481 INFO L263 TraceCheckUtils]: 0: Hoare triple {95#true} call ULTIMATE.init(); {95#true} is VALID [2020-07-08 23:38:14,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-08 23:38:14,482 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {95#true} {95#true} #180#return; {95#true} is VALID [2020-07-08 23:38:14,482 INFO L263 TraceCheckUtils]: 3: Hoare triple {95#true} call #t~ret11 := main(); {95#true} is VALID [2020-07-08 23:38:14,483 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} havoc ~scheme~0; {95#true} is VALID [2020-07-08 23:38:14,483 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} havoc ~urilen~0; {95#true} is VALID [2020-07-08 23:38:14,484 INFO L280 TraceCheckUtils]: 6: Hoare triple {95#true} havoc ~tokenlen~0; {95#true} is VALID [2020-07-08 23:38:14,484 INFO L280 TraceCheckUtils]: 7: Hoare triple {95#true} havoc ~cp~0; {95#true} is VALID [2020-07-08 23:38:14,484 INFO L280 TraceCheckUtils]: 8: Hoare triple {95#true} havoc ~c~0; {95#true} is VALID [2020-07-08 23:38:14,485 INFO L280 TraceCheckUtils]: 9: Hoare triple {95#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {95#true} is VALID [2020-07-08 23:38:14,485 INFO L280 TraceCheckUtils]: 10: Hoare triple {95#true} ~urilen~0 := #t~nondet0; {95#true} is VALID [2020-07-08 23:38:14,485 INFO L280 TraceCheckUtils]: 11: Hoare triple {95#true} havoc #t~nondet0; {95#true} is VALID [2020-07-08 23:38:14,486 INFO L280 TraceCheckUtils]: 12: Hoare triple {95#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {95#true} is VALID [2020-07-08 23:38:14,486 INFO L280 TraceCheckUtils]: 13: Hoare triple {95#true} ~tokenlen~0 := #t~nondet1; {95#true} is VALID [2020-07-08 23:38:14,486 INFO L280 TraceCheckUtils]: 14: Hoare triple {95#true} havoc #t~nondet1; {95#true} is VALID [2020-07-08 23:38:14,487 INFO L280 TraceCheckUtils]: 15: Hoare triple {95#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {95#true} is VALID [2020-07-08 23:38:14,487 INFO L280 TraceCheckUtils]: 16: Hoare triple {95#true} ~scheme~0 := #t~nondet2; {95#true} is VALID [2020-07-08 23:38:14,487 INFO L280 TraceCheckUtils]: 17: Hoare triple {95#true} havoc #t~nondet2; {95#true} is VALID [2020-07-08 23:38:14,488 INFO L280 TraceCheckUtils]: 18: Hoare triple {95#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {95#true} is VALID [2020-07-08 23:38:14,488 INFO L280 TraceCheckUtils]: 19: Hoare triple {95#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {95#true} is VALID [2020-07-08 23:38:14,488 INFO L280 TraceCheckUtils]: 20: Hoare triple {95#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {95#true} is VALID [2020-07-08 23:38:14,489 INFO L280 TraceCheckUtils]: 21: Hoare triple {95#true} assume ~urilen~0 > 0; {95#true} is VALID [2020-07-08 23:38:14,489 INFO L280 TraceCheckUtils]: 22: Hoare triple {95#true} assume ~tokenlen~0 > 0; {95#true} is VALID [2020-07-08 23:38:14,490 INFO L280 TraceCheckUtils]: 23: Hoare triple {95#true} assume ~scheme~0 >= 0; {95#true} is VALID [2020-07-08 23:38:14,491 INFO L280 TraceCheckUtils]: 24: Hoare triple {95#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {99#(<= (+ main_~scheme~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:14,492 INFO L280 TraceCheckUtils]: 25: Hoare triple {99#(<= (+ main_~scheme~0 1) main_~urilen~0)} ~cp~0 := ~scheme~0; {100#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:14,494 INFO L263 TraceCheckUtils]: 26: Hoare triple {100#(<= (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {101#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 23:38:14,496 INFO L280 TraceCheckUtils]: 27: Hoare triple {101#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {102#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 23:38:14,497 INFO L280 TraceCheckUtils]: 28: Hoare triple {102#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {96#false} is VALID [2020-07-08 23:38:14,497 INFO L280 TraceCheckUtils]: 29: Hoare triple {96#false} assume !false; {96#false} is VALID [2020-07-08 23:38:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:14,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928230032] [2020-07-08 23:38:14,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:14,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:14,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92976899] [2020-07-08 23:38:14,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 23:38:14,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:14,522 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:14,576 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:14,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:14,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:14,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:14,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:14,590 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 6 states. [2020-07-08 23:38:15,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:15,860 INFO L93 Difference]: Finished difference Result 178 states and 273 transitions. [2020-07-08 23:38:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 23:38:15,861 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-08 23:38:15,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-08 23:38:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-08 23:38:15,932 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 273 transitions. [2020-07-08 23:38:16,309 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:16,327 INFO L225 Difference]: With dead ends: 178 [2020-07-08 23:38:16,327 INFO L226 Difference]: Without dead ends: 103 [2020-07-08 23:38:16,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-08 23:38:16,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-07-08 23:38:16,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2020-07-08 23:38:16,479 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:16,480 INFO L82 GeneralOperation]: Start isEquivalent. First operand 103 states. Second operand 93 states. [2020-07-08 23:38:16,480 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 93 states. [2020-07-08 23:38:16,480 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 93 states. [2020-07-08 23:38:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:16,492 INFO L93 Difference]: Finished difference Result 103 states and 130 transitions. [2020-07-08 23:38:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2020-07-08 23:38:16,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:16,496 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:16,496 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 103 states. [2020-07-08 23:38:16,496 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 103 states. [2020-07-08 23:38:16,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:16,506 INFO L93 Difference]: Finished difference Result 103 states and 130 transitions. [2020-07-08 23:38:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2020-07-08 23:38:16,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:16,509 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:16,509 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:16,510 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-08 23:38:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2020-07-08 23:38:16,518 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 30 [2020-07-08 23:38:16,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:16,519 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2020-07-08 23:38:16,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:16,519 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 93 states and 116 transitions. [2020-07-08 23:38:16,689 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2020-07-08 23:38:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 23:38:16,691 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:16,691 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:16,692 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:38:16,692 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:16,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1464371663, now seen corresponding path program 1 times [2020-07-08 23:38:16,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:16,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118550020] [2020-07-08 23:38:16,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:16,870 INFO L280 TraceCheckUtils]: 0: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-08 23:38:16,870 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {857#true} {857#true} #180#return; {857#true} is VALID [2020-07-08 23:38:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:16,881 INFO L280 TraceCheckUtils]: 0: Hoare triple {857#true} ~cond := #in~cond; {857#true} is VALID [2020-07-08 23:38:16,882 INFO L280 TraceCheckUtils]: 1: Hoare triple {857#true} assume !(0 == ~cond); {857#true} is VALID [2020-07-08 23:38:16,882 INFO L280 TraceCheckUtils]: 2: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-08 23:38:16,883 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {857#true} {863#(<= 1 main_~cp~0)} #184#return; {863#(<= 1 main_~cp~0)} is VALID [2020-07-08 23:38:16,883 INFO L263 TraceCheckUtils]: 0: Hoare triple {857#true} call ULTIMATE.init(); {857#true} is VALID [2020-07-08 23:38:16,884 INFO L280 TraceCheckUtils]: 1: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-08 23:38:16,884 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {857#true} {857#true} #180#return; {857#true} is VALID [2020-07-08 23:38:16,884 INFO L263 TraceCheckUtils]: 3: Hoare triple {857#true} call #t~ret11 := main(); {857#true} is VALID [2020-07-08 23:38:16,884 INFO L280 TraceCheckUtils]: 4: Hoare triple {857#true} havoc ~scheme~0; {857#true} is VALID [2020-07-08 23:38:16,885 INFO L280 TraceCheckUtils]: 5: Hoare triple {857#true} havoc ~urilen~0; {857#true} is VALID [2020-07-08 23:38:16,885 INFO L280 TraceCheckUtils]: 6: Hoare triple {857#true} havoc ~tokenlen~0; {857#true} is VALID [2020-07-08 23:38:16,885 INFO L280 TraceCheckUtils]: 7: Hoare triple {857#true} havoc ~cp~0; {857#true} is VALID [2020-07-08 23:38:16,885 INFO L280 TraceCheckUtils]: 8: Hoare triple {857#true} havoc ~c~0; {857#true} is VALID [2020-07-08 23:38:16,886 INFO L280 TraceCheckUtils]: 9: Hoare triple {857#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {857#true} is VALID [2020-07-08 23:38:16,886 INFO L280 TraceCheckUtils]: 10: Hoare triple {857#true} ~urilen~0 := #t~nondet0; {857#true} is VALID [2020-07-08 23:38:16,886 INFO L280 TraceCheckUtils]: 11: Hoare triple {857#true} havoc #t~nondet0; {857#true} is VALID [2020-07-08 23:38:16,886 INFO L280 TraceCheckUtils]: 12: Hoare triple {857#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {857#true} is VALID [2020-07-08 23:38:16,887 INFO L280 TraceCheckUtils]: 13: Hoare triple {857#true} ~tokenlen~0 := #t~nondet1; {857#true} is VALID [2020-07-08 23:38:16,887 INFO L280 TraceCheckUtils]: 14: Hoare triple {857#true} havoc #t~nondet1; {857#true} is VALID [2020-07-08 23:38:16,887 INFO L280 TraceCheckUtils]: 15: Hoare triple {857#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {857#true} is VALID [2020-07-08 23:38:16,888 INFO L280 TraceCheckUtils]: 16: Hoare triple {857#true} ~scheme~0 := #t~nondet2; {857#true} is VALID [2020-07-08 23:38:16,888 INFO L280 TraceCheckUtils]: 17: Hoare triple {857#true} havoc #t~nondet2; {857#true} is VALID [2020-07-08 23:38:16,888 INFO L280 TraceCheckUtils]: 18: Hoare triple {857#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {857#true} is VALID [2020-07-08 23:38:16,889 INFO L280 TraceCheckUtils]: 19: Hoare triple {857#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {857#true} is VALID [2020-07-08 23:38:16,889 INFO L280 TraceCheckUtils]: 20: Hoare triple {857#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {857#true} is VALID [2020-07-08 23:38:16,889 INFO L280 TraceCheckUtils]: 21: Hoare triple {857#true} assume ~urilen~0 > 0; {857#true} is VALID [2020-07-08 23:38:16,890 INFO L280 TraceCheckUtils]: 22: Hoare triple {857#true} assume ~tokenlen~0 > 0; {857#true} is VALID [2020-07-08 23:38:16,891 INFO L280 TraceCheckUtils]: 23: Hoare triple {857#true} assume ~scheme~0 >= 0; {861#(< 0 (+ main_~scheme~0 1))} is VALID [2020-07-08 23:38:16,892 INFO L280 TraceCheckUtils]: 24: Hoare triple {861#(< 0 (+ main_~scheme~0 1))} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {862#(< 0 main_~scheme~0)} is VALID [2020-07-08 23:38:16,895 INFO L280 TraceCheckUtils]: 25: Hoare triple {862#(< 0 main_~scheme~0)} ~cp~0 := ~scheme~0; {863#(<= 1 main_~cp~0)} is VALID [2020-07-08 23:38:16,895 INFO L263 TraceCheckUtils]: 26: Hoare triple {863#(<= 1 main_~cp~0)} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {857#true} is VALID [2020-07-08 23:38:16,895 INFO L280 TraceCheckUtils]: 27: Hoare triple {857#true} ~cond := #in~cond; {857#true} is VALID [2020-07-08 23:38:16,896 INFO L280 TraceCheckUtils]: 28: Hoare triple {857#true} assume !(0 == ~cond); {857#true} is VALID [2020-07-08 23:38:16,896 INFO L280 TraceCheckUtils]: 29: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-08 23:38:16,897 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {857#true} {863#(<= 1 main_~cp~0)} #184#return; {863#(<= 1 main_~cp~0)} is VALID [2020-07-08 23:38:16,899 INFO L263 TraceCheckUtils]: 31: Hoare triple {863#(<= 1 main_~cp~0)} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {868#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 23:38:16,900 INFO L280 TraceCheckUtils]: 32: Hoare triple {868#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {869#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 23:38:16,900 INFO L280 TraceCheckUtils]: 33: Hoare triple {869#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {858#false} is VALID [2020-07-08 23:38:16,901 INFO L280 TraceCheckUtils]: 34: Hoare triple {858#false} assume !false; {858#false} is VALID [2020-07-08 23:38:16,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:38:16,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118550020] [2020-07-08 23:38:16,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:16,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:38:16,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383320366] [2020-07-08 23:38:16,906 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-08 23:38:16,907 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:16,907 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:38:16,956 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:16,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:38:16,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:16,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:38:16,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:16,957 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand 7 states. [2020-07-08 23:38:17,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:17,897 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2020-07-08 23:38:17,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 23:38:17,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-08 23:38:17,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2020-07-08 23:38:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2020-07-08 23:38:17,907 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 107 transitions. [2020-07-08 23:38:18,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:18,037 INFO L225 Difference]: With dead ends: 99 [2020-07-08 23:38:18,037 INFO L226 Difference]: Without dead ends: 97 [2020-07-08 23:38:18,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-08 23:38:18,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-08 23:38:18,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-08 23:38:18,190 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:18,190 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:18,191 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:18,191 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:18,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:18,198 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2020-07-08 23:38:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2020-07-08 23:38:18,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:18,200 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:18,200 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:18,200 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:18,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:18,207 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2020-07-08 23:38:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2020-07-08 23:38:18,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:18,209 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:18,209 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:18,209 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:18,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-08 23:38:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2020-07-08 23:38:18,216 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 35 [2020-07-08 23:38:18,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:18,216 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2020-07-08 23:38:18,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:38:18,217 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 97 states and 119 transitions. [2020-07-08 23:38:18,394 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2020-07-08 23:38:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-08 23:38:18,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:18,398 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:18,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:38:18,399 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:18,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:18,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1188311592, now seen corresponding path program 1 times [2020-07-08 23:38:18,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:18,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714230522] [2020-07-08 23:38:18,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,493 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,494 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1462#true} {1462#true} #180#return; {1462#true} is VALID [2020-07-08 23:38:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,501 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,502 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,502 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,503 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #184#return; {1462#true} is VALID [2020-07-08 23:38:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,519 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,519 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #186#return; {1462#true} is VALID [2020-07-08 23:38:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,526 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,527 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,527 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,527 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #188#return; {1462#true} is VALID [2020-07-08 23:38:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,539 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,539 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,540 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,540 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #190#return; {1462#true} is VALID [2020-07-08 23:38:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,549 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,549 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,550 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,551 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1482#(= (+ main_~cp~0 1) main_~urilen~0)} #196#return; {1482#(= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:18,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,561 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,561 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1482#(= (+ main_~cp~0 1) main_~urilen~0)} #198#return; {1482#(= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:18,562 INFO L263 TraceCheckUtils]: 0: Hoare triple {1462#true} call ULTIMATE.init(); {1462#true} is VALID [2020-07-08 23:38:18,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,562 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1462#true} {1462#true} #180#return; {1462#true} is VALID [2020-07-08 23:38:18,562 INFO L263 TraceCheckUtils]: 3: Hoare triple {1462#true} call #t~ret11 := main(); {1462#true} is VALID [2020-07-08 23:38:18,563 INFO L280 TraceCheckUtils]: 4: Hoare triple {1462#true} havoc ~scheme~0; {1462#true} is VALID [2020-07-08 23:38:18,563 INFO L280 TraceCheckUtils]: 5: Hoare triple {1462#true} havoc ~urilen~0; {1462#true} is VALID [2020-07-08 23:38:18,563 INFO L280 TraceCheckUtils]: 6: Hoare triple {1462#true} havoc ~tokenlen~0; {1462#true} is VALID [2020-07-08 23:38:18,563 INFO L280 TraceCheckUtils]: 7: Hoare triple {1462#true} havoc ~cp~0; {1462#true} is VALID [2020-07-08 23:38:18,564 INFO L280 TraceCheckUtils]: 8: Hoare triple {1462#true} havoc ~c~0; {1462#true} is VALID [2020-07-08 23:38:18,564 INFO L280 TraceCheckUtils]: 9: Hoare triple {1462#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1462#true} is VALID [2020-07-08 23:38:18,564 INFO L280 TraceCheckUtils]: 10: Hoare triple {1462#true} ~urilen~0 := #t~nondet0; {1462#true} is VALID [2020-07-08 23:38:18,565 INFO L280 TraceCheckUtils]: 11: Hoare triple {1462#true} havoc #t~nondet0; {1462#true} is VALID [2020-07-08 23:38:18,565 INFO L280 TraceCheckUtils]: 12: Hoare triple {1462#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1462#true} is VALID [2020-07-08 23:38:18,565 INFO L280 TraceCheckUtils]: 13: Hoare triple {1462#true} ~tokenlen~0 := #t~nondet1; {1462#true} is VALID [2020-07-08 23:38:18,565 INFO L280 TraceCheckUtils]: 14: Hoare triple {1462#true} havoc #t~nondet1; {1462#true} is VALID [2020-07-08 23:38:18,566 INFO L280 TraceCheckUtils]: 15: Hoare triple {1462#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1462#true} is VALID [2020-07-08 23:38:18,566 INFO L280 TraceCheckUtils]: 16: Hoare triple {1462#true} ~scheme~0 := #t~nondet2; {1462#true} is VALID [2020-07-08 23:38:18,566 INFO L280 TraceCheckUtils]: 17: Hoare triple {1462#true} havoc #t~nondet2; {1462#true} is VALID [2020-07-08 23:38:18,566 INFO L280 TraceCheckUtils]: 18: Hoare triple {1462#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {1462#true} is VALID [2020-07-08 23:38:18,567 INFO L280 TraceCheckUtils]: 19: Hoare triple {1462#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {1462#true} is VALID [2020-07-08 23:38:18,567 INFO L280 TraceCheckUtils]: 20: Hoare triple {1462#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {1462#true} is VALID [2020-07-08 23:38:18,567 INFO L280 TraceCheckUtils]: 21: Hoare triple {1462#true} assume ~urilen~0 > 0; {1462#true} is VALID [2020-07-08 23:38:18,567 INFO L280 TraceCheckUtils]: 22: Hoare triple {1462#true} assume ~tokenlen~0 > 0; {1462#true} is VALID [2020-07-08 23:38:18,568 INFO L280 TraceCheckUtils]: 23: Hoare triple {1462#true} assume ~scheme~0 >= 0; {1462#true} is VALID [2020-07-08 23:38:18,568 INFO L280 TraceCheckUtils]: 24: Hoare triple {1462#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {1462#true} is VALID [2020-07-08 23:38:18,568 INFO L280 TraceCheckUtils]: 25: Hoare triple {1462#true} ~cp~0 := ~scheme~0; {1462#true} is VALID [2020-07-08 23:38:18,569 INFO L263 TraceCheckUtils]: 26: Hoare triple {1462#true} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {1462#true} is VALID [2020-07-08 23:38:18,569 INFO L280 TraceCheckUtils]: 27: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,569 INFO L280 TraceCheckUtils]: 28: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,570 INFO L280 TraceCheckUtils]: 29: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,570 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {1462#true} {1462#true} #184#return; {1462#true} is VALID [2020-07-08 23:38:18,570 INFO L263 TraceCheckUtils]: 31: Hoare triple {1462#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {1462#true} is VALID [2020-07-08 23:38:18,570 INFO L280 TraceCheckUtils]: 32: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,571 INFO L280 TraceCheckUtils]: 33: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,571 INFO L280 TraceCheckUtils]: 34: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,571 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1462#true} {1462#true} #186#return; {1462#true} is VALID [2020-07-08 23:38:18,571 INFO L280 TraceCheckUtils]: 36: Hoare triple {1462#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1462#true} is VALID [2020-07-08 23:38:18,572 INFO L280 TraceCheckUtils]: 37: Hoare triple {1462#true} assume 0 != #t~nondet3; {1462#true} is VALID [2020-07-08 23:38:18,572 INFO L280 TraceCheckUtils]: 38: Hoare triple {1462#true} havoc #t~nondet3; {1462#true} is VALID [2020-07-08 23:38:18,572 INFO L263 TraceCheckUtils]: 39: Hoare triple {1462#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {1462#true} is VALID [2020-07-08 23:38:18,572 INFO L280 TraceCheckUtils]: 40: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,573 INFO L280 TraceCheckUtils]: 41: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,573 INFO L280 TraceCheckUtils]: 42: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,573 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1462#true} {1462#true} #188#return; {1462#true} is VALID [2020-07-08 23:38:18,573 INFO L263 TraceCheckUtils]: 44: Hoare triple {1462#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {1462#true} is VALID [2020-07-08 23:38:18,573 INFO L280 TraceCheckUtils]: 45: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,574 INFO L280 TraceCheckUtils]: 46: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,574 INFO L280 TraceCheckUtils]: 47: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,574 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1462#true} {1462#true} #190#return; {1462#true} is VALID [2020-07-08 23:38:18,575 INFO L280 TraceCheckUtils]: 49: Hoare triple {1462#true} assume !(~cp~0 != ~urilen~0 - 1); {1482#(= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:18,575 INFO L263 TraceCheckUtils]: 50: Hoare triple {1482#(= (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {1462#true} is VALID [2020-07-08 23:38:18,575 INFO L280 TraceCheckUtils]: 51: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,575 INFO L280 TraceCheckUtils]: 52: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,576 INFO L280 TraceCheckUtils]: 53: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,576 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {1462#true} {1482#(= (+ main_~cp~0 1) main_~urilen~0)} #196#return; {1482#(= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:18,577 INFO L263 TraceCheckUtils]: 55: Hoare triple {1482#(= (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {1462#true} is VALID [2020-07-08 23:38:18,577 INFO L280 TraceCheckUtils]: 56: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-08 23:38:18,577 INFO L280 TraceCheckUtils]: 57: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-08 23:38:18,577 INFO L280 TraceCheckUtils]: 58: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-08 23:38:18,578 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {1462#true} {1482#(= (+ main_~cp~0 1) main_~urilen~0)} #198#return; {1482#(= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:18,578 INFO L280 TraceCheckUtils]: 60: Hoare triple {1482#(= (+ main_~cp~0 1) main_~urilen~0)} assume !(~cp~0 == ~urilen~0 - 1); {1463#false} is VALID [2020-07-08 23:38:18,578 INFO L263 TraceCheckUtils]: 61: Hoare triple {1463#false} call __VERIFIER_assert((if 1 + ~cp~0 < ~urilen~0 then 1 else 0)); {1463#false} is VALID [2020-07-08 23:38:18,579 INFO L280 TraceCheckUtils]: 62: Hoare triple {1463#false} ~cond := #in~cond; {1463#false} is VALID [2020-07-08 23:38:18,579 INFO L280 TraceCheckUtils]: 63: Hoare triple {1463#false} assume 0 == ~cond; {1463#false} is VALID [2020-07-08 23:38:18,579 INFO L280 TraceCheckUtils]: 64: Hoare triple {1463#false} assume !false; {1463#false} is VALID [2020-07-08 23:38:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-08 23:38:18,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714230522] [2020-07-08 23:38:18,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:18,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 23:38:18,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370790695] [2020-07-08 23:38:18,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-08 23:38:18,586 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:18,587 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 23:38:18,646 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:18,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 23:38:18,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:18,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 23:38:18,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:38:18,647 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 3 states. [2020-07-08 23:38:19,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:19,031 INFO L93 Difference]: Finished difference Result 140 states and 173 transitions. [2020-07-08 23:38:19,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 23:38:19,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-08 23:38:19,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:19,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:38:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-08 23:38:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:38:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-08 23:38:19,043 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 153 transitions. [2020-07-08 23:38:19,222 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:19,226 INFO L225 Difference]: With dead ends: 140 [2020-07-08 23:38:19,226 INFO L226 Difference]: Without dead ends: 97 [2020-07-08 23:38:19,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:38:19,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-08 23:38:19,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-08 23:38:19,364 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:19,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:19,365 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:19,365 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:19,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:19,373 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2020-07-08 23:38:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-07-08 23:38:19,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:19,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:19,374 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:19,375 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-08 23:38:19,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:19,383 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2020-07-08 23:38:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-07-08 23:38:19,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:19,384 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:19,384 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:19,384 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-08 23:38:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 117 transitions. [2020-07-08 23:38:19,392 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 117 transitions. Word has length 65 [2020-07-08 23:38:19,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:19,392 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 117 transitions. [2020-07-08 23:38:19,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 23:38:19,393 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 97 states and 117 transitions. [2020-07-08 23:38:19,546 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:19,547 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-07-08 23:38:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-08 23:38:19,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:19,550 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:19,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 23:38:19,550 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:19,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:19,551 INFO L82 PathProgramCache]: Analyzing trace with hash -2082475577, now seen corresponding path program 1 times [2020-07-08 23:38:19,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:19,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419535562] [2020-07-08 23:38:19,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,707 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,707 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2161#true} {2161#true} #180#return; {2161#true} is VALID [2020-07-08 23:38:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,721 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,722 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,722 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #184#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,731 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,732 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,732 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,733 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #186#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,745 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,745 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,745 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,746 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #188#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,754 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,754 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,754 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,755 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #190#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,762 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,763 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,763 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,764 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2183#(< (+ main_~cp~0 1) main_~urilen~0)} #196#return; {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:19,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,772 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,772 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,773 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2183#(< (+ main_~cp~0 1) main_~urilen~0)} #198#return; {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,773 INFO L263 TraceCheckUtils]: 0: Hoare triple {2161#true} call ULTIMATE.init(); {2161#true} is VALID [2020-07-08 23:38:19,773 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,774 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2161#true} {2161#true} #180#return; {2161#true} is VALID [2020-07-08 23:38:19,774 INFO L263 TraceCheckUtils]: 3: Hoare triple {2161#true} call #t~ret11 := main(); {2161#true} is VALID [2020-07-08 23:38:19,774 INFO L280 TraceCheckUtils]: 4: Hoare triple {2161#true} havoc ~scheme~0; {2161#true} is VALID [2020-07-08 23:38:19,774 INFO L280 TraceCheckUtils]: 5: Hoare triple {2161#true} havoc ~urilen~0; {2161#true} is VALID [2020-07-08 23:38:19,775 INFO L280 TraceCheckUtils]: 6: Hoare triple {2161#true} havoc ~tokenlen~0; {2161#true} is VALID [2020-07-08 23:38:19,775 INFO L280 TraceCheckUtils]: 7: Hoare triple {2161#true} havoc ~cp~0; {2161#true} is VALID [2020-07-08 23:38:19,775 INFO L280 TraceCheckUtils]: 8: Hoare triple {2161#true} havoc ~c~0; {2161#true} is VALID [2020-07-08 23:38:19,775 INFO L280 TraceCheckUtils]: 9: Hoare triple {2161#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2161#true} is VALID [2020-07-08 23:38:19,776 INFO L280 TraceCheckUtils]: 10: Hoare triple {2161#true} ~urilen~0 := #t~nondet0; {2161#true} is VALID [2020-07-08 23:38:19,776 INFO L280 TraceCheckUtils]: 11: Hoare triple {2161#true} havoc #t~nondet0; {2161#true} is VALID [2020-07-08 23:38:19,776 INFO L280 TraceCheckUtils]: 12: Hoare triple {2161#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2161#true} is VALID [2020-07-08 23:38:19,776 INFO L280 TraceCheckUtils]: 13: Hoare triple {2161#true} ~tokenlen~0 := #t~nondet1; {2161#true} is VALID [2020-07-08 23:38:19,777 INFO L280 TraceCheckUtils]: 14: Hoare triple {2161#true} havoc #t~nondet1; {2161#true} is VALID [2020-07-08 23:38:19,777 INFO L280 TraceCheckUtils]: 15: Hoare triple {2161#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2161#true} is VALID [2020-07-08 23:38:19,777 INFO L280 TraceCheckUtils]: 16: Hoare triple {2161#true} ~scheme~0 := #t~nondet2; {2161#true} is VALID [2020-07-08 23:38:19,777 INFO L280 TraceCheckUtils]: 17: Hoare triple {2161#true} havoc #t~nondet2; {2161#true} is VALID [2020-07-08 23:38:19,778 INFO L280 TraceCheckUtils]: 18: Hoare triple {2161#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {2161#true} is VALID [2020-07-08 23:38:19,778 INFO L280 TraceCheckUtils]: 19: Hoare triple {2161#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {2161#true} is VALID [2020-07-08 23:38:19,778 INFO L280 TraceCheckUtils]: 20: Hoare triple {2161#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {2161#true} is VALID [2020-07-08 23:38:19,779 INFO L280 TraceCheckUtils]: 21: Hoare triple {2161#true} assume ~urilen~0 > 0; {2161#true} is VALID [2020-07-08 23:38:19,779 INFO L280 TraceCheckUtils]: 22: Hoare triple {2161#true} assume ~tokenlen~0 > 0; {2161#true} is VALID [2020-07-08 23:38:19,779 INFO L280 TraceCheckUtils]: 23: Hoare triple {2161#true} assume ~scheme~0 >= 0; {2161#true} is VALID [2020-07-08 23:38:19,780 INFO L280 TraceCheckUtils]: 24: Hoare triple {2161#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {2165#(<= (+ main_~scheme~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,780 INFO L280 TraceCheckUtils]: 25: Hoare triple {2165#(<= (+ main_~scheme~0 1) main_~urilen~0)} ~cp~0 := ~scheme~0; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,780 INFO L263 TraceCheckUtils]: 26: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {2161#true} is VALID [2020-07-08 23:38:19,781 INFO L280 TraceCheckUtils]: 27: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,781 INFO L280 TraceCheckUtils]: 28: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,781 INFO L280 TraceCheckUtils]: 29: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,781 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #184#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,782 INFO L263 TraceCheckUtils]: 31: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {2161#true} is VALID [2020-07-08 23:38:19,782 INFO L280 TraceCheckUtils]: 32: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,782 INFO L280 TraceCheckUtils]: 33: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,782 INFO L280 TraceCheckUtils]: 34: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,783 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #186#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,784 INFO L280 TraceCheckUtils]: 36: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,784 INFO L280 TraceCheckUtils]: 37: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} assume 0 != #t~nondet3; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,784 INFO L280 TraceCheckUtils]: 38: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} havoc #t~nondet3; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,785 INFO L263 TraceCheckUtils]: 39: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2161#true} is VALID [2020-07-08 23:38:19,785 INFO L280 TraceCheckUtils]: 40: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,785 INFO L280 TraceCheckUtils]: 41: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,785 INFO L280 TraceCheckUtils]: 42: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,786 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #188#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,787 INFO L263 TraceCheckUtils]: 44: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2161#true} is VALID [2020-07-08 23:38:19,787 INFO L280 TraceCheckUtils]: 45: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,787 INFO L280 TraceCheckUtils]: 46: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,788 INFO L280 TraceCheckUtils]: 47: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,789 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2161#true} {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} #190#return; {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,790 INFO L280 TraceCheckUtils]: 49: Hoare triple {2166#(<= (+ main_~cp~0 1) main_~urilen~0)} assume !!(~cp~0 != ~urilen~0 - 1); {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,792 INFO L280 TraceCheckUtils]: 50: Hoare triple {2183#(< (+ main_~cp~0 1) main_~urilen~0)} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,795 INFO L280 TraceCheckUtils]: 51: Hoare triple {2183#(< (+ main_~cp~0 1) main_~urilen~0)} assume 0 != #t~nondet4; {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,796 INFO L280 TraceCheckUtils]: 52: Hoare triple {2183#(< (+ main_~cp~0 1) main_~urilen~0)} havoc #t~nondet4; {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,796 INFO L263 TraceCheckUtils]: 53: Hoare triple {2183#(< (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2161#true} is VALID [2020-07-08 23:38:19,797 INFO L280 TraceCheckUtils]: 54: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,797 INFO L280 TraceCheckUtils]: 55: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,797 INFO L280 TraceCheckUtils]: 56: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,798 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {2161#true} {2183#(< (+ main_~cp~0 1) main_~urilen~0)} #196#return; {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,798 INFO L263 TraceCheckUtils]: 58: Hoare triple {2183#(< (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2161#true} is VALID [2020-07-08 23:38:19,798 INFO L280 TraceCheckUtils]: 59: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-08 23:38:19,798 INFO L280 TraceCheckUtils]: 60: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-08 23:38:19,798 INFO L280 TraceCheckUtils]: 61: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-08 23:38:19,799 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2161#true} {2183#(< (+ main_~cp~0 1) main_~urilen~0)} #198#return; {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,800 INFO L280 TraceCheckUtils]: 63: Hoare triple {2183#(< (+ main_~cp~0 1) main_~urilen~0)} assume !(~cp~0 == ~urilen~0 - 1); {2183#(< (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-08 23:38:19,803 INFO L263 TraceCheckUtils]: 64: Hoare triple {2183#(< (+ main_~cp~0 1) main_~urilen~0)} call __VERIFIER_assert((if 1 + ~cp~0 < ~urilen~0 then 1 else 0)); {2192#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 23:38:19,804 INFO L280 TraceCheckUtils]: 65: Hoare triple {2192#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {2193#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 23:38:19,806 INFO L280 TraceCheckUtils]: 66: Hoare triple {2193#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {2162#false} is VALID [2020-07-08 23:38:19,807 INFO L280 TraceCheckUtils]: 67: Hoare triple {2162#false} assume !false; {2162#false} is VALID [2020-07-08 23:38:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-08 23:38:19,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419535562] [2020-07-08 23:38:19,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:19,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:38:19,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389408494] [2020-07-08 23:38:19,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2020-07-08 23:38:19,815 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:19,815 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:38:19,880 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:19,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:38:19,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:19,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:38:19,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:19,882 INFO L87 Difference]: Start difference. First operand 97 states and 117 transitions. Second operand 7 states. [2020-07-08 23:38:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:20,855 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2020-07-08 23:38:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 23:38:20,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2020-07-08 23:38:20,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2020-07-08 23:38:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:20,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2020-07-08 23:38:20,862 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 106 transitions. [2020-07-08 23:38:21,028 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:21,032 INFO L225 Difference]: With dead ends: 103 [2020-07-08 23:38:21,032 INFO L226 Difference]: Without dead ends: 101 [2020-07-08 23:38:21,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-08 23:38:21,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-08 23:38:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-08 23:38:21,233 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:21,233 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 101 states. [2020-07-08 23:38:21,233 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-08 23:38:21,233 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-08 23:38:21,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:21,241 INFO L93 Difference]: Finished difference Result 101 states and 120 transitions. [2020-07-08 23:38:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2020-07-08 23:38:21,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:21,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:21,242 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-08 23:38:21,242 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-08 23:38:21,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:21,248 INFO L93 Difference]: Finished difference Result 101 states and 120 transitions. [2020-07-08 23:38:21,248 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2020-07-08 23:38:21,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:21,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:21,249 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:21,249 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-08 23:38:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions. [2020-07-08 23:38:21,254 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 68 [2020-07-08 23:38:21,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:21,255 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions. [2020-07-08 23:38:21,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:38:21,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states and 120 transitions. [2020-07-08 23:38:21,452 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2020-07-08 23:38:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-08 23:38:21,456 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:21,456 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:21,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 23:38:21,457 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:21,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:21,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1342891699, now seen corresponding path program 1 times [2020-07-08 23:38:21,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:21,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584148167] [2020-07-08 23:38:21,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,610 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,610 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2812#true} {2812#true} #180#return; {2812#true} is VALID [2020-07-08 23:38:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,627 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,627 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,628 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,628 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #184#return; {2812#true} is VALID [2020-07-08 23:38:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,640 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,641 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,641 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,641 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #186#return; {2812#true} is VALID [2020-07-08 23:38:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,657 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,658 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,658 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,658 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #188#return; {2812#true} is VALID [2020-07-08 23:38:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,690 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,691 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,691 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #190#return; {2812#true} is VALID [2020-07-08 23:38:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,702 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,703 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,703 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,704 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #196#return; {2812#true} is VALID [2020-07-08 23:38:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,709 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,709 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,710 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,710 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #198#return; {2812#true} is VALID [2020-07-08 23:38:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,724 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,724 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,725 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,725 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #200#return; {2812#true} is VALID [2020-07-08 23:38:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,730 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,730 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,731 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #202#return; {2812#true} is VALID [2020-07-08 23:38:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,739 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,739 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,739 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,740 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #204#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,746 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,747 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,747 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,748 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #206#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,755 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,756 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,756 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,757 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} #208#return; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:21,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,765 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,765 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,766 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} #210#return; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,767 INFO L263 TraceCheckUtils]: 0: Hoare triple {2812#true} call ULTIMATE.init(); {2812#true} is VALID [2020-07-08 23:38:21,767 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,767 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2812#true} {2812#true} #180#return; {2812#true} is VALID [2020-07-08 23:38:21,767 INFO L263 TraceCheckUtils]: 3: Hoare triple {2812#true} call #t~ret11 := main(); {2812#true} is VALID [2020-07-08 23:38:21,768 INFO L280 TraceCheckUtils]: 4: Hoare triple {2812#true} havoc ~scheme~0; {2812#true} is VALID [2020-07-08 23:38:21,768 INFO L280 TraceCheckUtils]: 5: Hoare triple {2812#true} havoc ~urilen~0; {2812#true} is VALID [2020-07-08 23:38:21,768 INFO L280 TraceCheckUtils]: 6: Hoare triple {2812#true} havoc ~tokenlen~0; {2812#true} is VALID [2020-07-08 23:38:21,768 INFO L280 TraceCheckUtils]: 7: Hoare triple {2812#true} havoc ~cp~0; {2812#true} is VALID [2020-07-08 23:38:21,769 INFO L280 TraceCheckUtils]: 8: Hoare triple {2812#true} havoc ~c~0; {2812#true} is VALID [2020-07-08 23:38:21,769 INFO L280 TraceCheckUtils]: 9: Hoare triple {2812#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2812#true} is VALID [2020-07-08 23:38:21,769 INFO L280 TraceCheckUtils]: 10: Hoare triple {2812#true} ~urilen~0 := #t~nondet0; {2812#true} is VALID [2020-07-08 23:38:21,769 INFO L280 TraceCheckUtils]: 11: Hoare triple {2812#true} havoc #t~nondet0; {2812#true} is VALID [2020-07-08 23:38:21,770 INFO L280 TraceCheckUtils]: 12: Hoare triple {2812#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2812#true} is VALID [2020-07-08 23:38:21,770 INFO L280 TraceCheckUtils]: 13: Hoare triple {2812#true} ~tokenlen~0 := #t~nondet1; {2812#true} is VALID [2020-07-08 23:38:21,770 INFO L280 TraceCheckUtils]: 14: Hoare triple {2812#true} havoc #t~nondet1; {2812#true} is VALID [2020-07-08 23:38:21,770 INFO L280 TraceCheckUtils]: 15: Hoare triple {2812#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2812#true} is VALID [2020-07-08 23:38:21,771 INFO L280 TraceCheckUtils]: 16: Hoare triple {2812#true} ~scheme~0 := #t~nondet2; {2812#true} is VALID [2020-07-08 23:38:21,771 INFO L280 TraceCheckUtils]: 17: Hoare triple {2812#true} havoc #t~nondet2; {2812#true} is VALID [2020-07-08 23:38:21,771 INFO L280 TraceCheckUtils]: 18: Hoare triple {2812#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {2812#true} is VALID [2020-07-08 23:38:21,771 INFO L280 TraceCheckUtils]: 19: Hoare triple {2812#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {2812#true} is VALID [2020-07-08 23:38:21,772 INFO L280 TraceCheckUtils]: 20: Hoare triple {2812#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {2812#true} is VALID [2020-07-08 23:38:21,772 INFO L280 TraceCheckUtils]: 21: Hoare triple {2812#true} assume ~urilen~0 > 0; {2812#true} is VALID [2020-07-08 23:38:21,772 INFO L280 TraceCheckUtils]: 22: Hoare triple {2812#true} assume ~tokenlen~0 > 0; {2812#true} is VALID [2020-07-08 23:38:21,772 INFO L280 TraceCheckUtils]: 23: Hoare triple {2812#true} assume ~scheme~0 >= 0; {2812#true} is VALID [2020-07-08 23:38:21,773 INFO L280 TraceCheckUtils]: 24: Hoare triple {2812#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {2812#true} is VALID [2020-07-08 23:38:21,773 INFO L280 TraceCheckUtils]: 25: Hoare triple {2812#true} ~cp~0 := ~scheme~0; {2812#true} is VALID [2020-07-08 23:38:21,773 INFO L263 TraceCheckUtils]: 26: Hoare triple {2812#true} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,773 INFO L280 TraceCheckUtils]: 27: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,774 INFO L280 TraceCheckUtils]: 28: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,774 INFO L280 TraceCheckUtils]: 29: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,774 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2812#true} {2812#true} #184#return; {2812#true} is VALID [2020-07-08 23:38:21,774 INFO L263 TraceCheckUtils]: 31: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,775 INFO L280 TraceCheckUtils]: 32: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,775 INFO L280 TraceCheckUtils]: 33: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,775 INFO L280 TraceCheckUtils]: 34: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,775 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2812#true} {2812#true} #186#return; {2812#true} is VALID [2020-07-08 23:38:21,775 INFO L280 TraceCheckUtils]: 36: Hoare triple {2812#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2812#true} is VALID [2020-07-08 23:38:21,776 INFO L280 TraceCheckUtils]: 37: Hoare triple {2812#true} assume 0 != #t~nondet3; {2812#true} is VALID [2020-07-08 23:38:21,776 INFO L280 TraceCheckUtils]: 38: Hoare triple {2812#true} havoc #t~nondet3; {2812#true} is VALID [2020-07-08 23:38:21,776 INFO L263 TraceCheckUtils]: 39: Hoare triple {2812#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,777 INFO L280 TraceCheckUtils]: 40: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,777 INFO L280 TraceCheckUtils]: 41: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,777 INFO L280 TraceCheckUtils]: 42: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,777 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2812#true} {2812#true} #188#return; {2812#true} is VALID [2020-07-08 23:38:21,777 INFO L263 TraceCheckUtils]: 44: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,778 INFO L280 TraceCheckUtils]: 45: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,778 INFO L280 TraceCheckUtils]: 46: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,778 INFO L280 TraceCheckUtils]: 47: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,778 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2812#true} {2812#true} #190#return; {2812#true} is VALID [2020-07-08 23:38:21,779 INFO L280 TraceCheckUtils]: 49: Hoare triple {2812#true} assume !!(~cp~0 != ~urilen~0 - 1); {2812#true} is VALID [2020-07-08 23:38:21,779 INFO L280 TraceCheckUtils]: 50: Hoare triple {2812#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {2812#true} is VALID [2020-07-08 23:38:21,779 INFO L280 TraceCheckUtils]: 51: Hoare triple {2812#true} assume 0 != #t~nondet4; {2812#true} is VALID [2020-07-08 23:38:21,779 INFO L280 TraceCheckUtils]: 52: Hoare triple {2812#true} havoc #t~nondet4; {2812#true} is VALID [2020-07-08 23:38:21,780 INFO L263 TraceCheckUtils]: 53: Hoare triple {2812#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,780 INFO L280 TraceCheckUtils]: 54: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,780 INFO L280 TraceCheckUtils]: 55: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,780 INFO L280 TraceCheckUtils]: 56: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,781 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {2812#true} {2812#true} #196#return; {2812#true} is VALID [2020-07-08 23:38:21,781 INFO L263 TraceCheckUtils]: 58: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,781 INFO L280 TraceCheckUtils]: 59: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,781 INFO L280 TraceCheckUtils]: 60: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,782 INFO L280 TraceCheckUtils]: 61: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,782 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2812#true} {2812#true} #198#return; {2812#true} is VALID [2020-07-08 23:38:21,782 INFO L280 TraceCheckUtils]: 63: Hoare triple {2812#true} assume !(~cp~0 == ~urilen~0 - 1); {2812#true} is VALID [2020-07-08 23:38:21,782 INFO L263 TraceCheckUtils]: 64: Hoare triple {2812#true} call __VERIFIER_assert((if 1 + ~cp~0 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,783 INFO L280 TraceCheckUtils]: 65: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,783 INFO L280 TraceCheckUtils]: 66: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,783 INFO L280 TraceCheckUtils]: 67: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,783 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {2812#true} {2812#true} #200#return; {2812#true} is VALID [2020-07-08 23:38:21,784 INFO L263 TraceCheckUtils]: 69: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= 1 + ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,784 INFO L280 TraceCheckUtils]: 70: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,784 INFO L280 TraceCheckUtils]: 71: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,784 INFO L280 TraceCheckUtils]: 72: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,785 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {2812#true} {2812#true} #202#return; {2812#true} is VALID [2020-07-08 23:38:21,785 INFO L280 TraceCheckUtils]: 74: Hoare triple {2812#true} assume !(1 + ~cp~0 == ~urilen~0 - 1); {2812#true} is VALID [2020-07-08 23:38:21,785 INFO L280 TraceCheckUtils]: 75: Hoare triple {2812#true} #t~pre6 := 1 + ~cp~0; {2812#true} is VALID [2020-07-08 23:38:21,785 INFO L280 TraceCheckUtils]: 76: Hoare triple {2812#true} ~cp~0 := 1 + ~cp~0; {2812#true} is VALID [2020-07-08 23:38:21,786 INFO L280 TraceCheckUtils]: 77: Hoare triple {2812#true} havoc #t~pre6; {2812#true} is VALID [2020-07-08 23:38:21,786 INFO L280 TraceCheckUtils]: 78: Hoare triple {2812#true} ~scheme~0 := ~cp~0; {2812#true} is VALID [2020-07-08 23:38:21,786 INFO L280 TraceCheckUtils]: 79: Hoare triple {2812#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {2812#true} is VALID [2020-07-08 23:38:21,786 INFO L280 TraceCheckUtils]: 80: Hoare triple {2812#true} assume 0 != #t~nondet7; {2812#true} is VALID [2020-07-08 23:38:21,787 INFO L280 TraceCheckUtils]: 81: Hoare triple {2812#true} havoc #t~nondet7; {2812#true} is VALID [2020-07-08 23:38:21,788 INFO L280 TraceCheckUtils]: 82: Hoare triple {2812#true} ~c~0 := 0; {2848#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:21,788 INFO L263 TraceCheckUtils]: 83: Hoare triple {2848#(= 0 main_~c~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,788 INFO L280 TraceCheckUtils]: 84: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,788 INFO L280 TraceCheckUtils]: 85: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,789 INFO L280 TraceCheckUtils]: 86: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,790 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #204#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:21,790 INFO L263 TraceCheckUtils]: 88: Hoare triple {2848#(= 0 main_~c~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,790 INFO L280 TraceCheckUtils]: 89: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,790 INFO L280 TraceCheckUtils]: 90: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,791 INFO L280 TraceCheckUtils]: 91: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,792 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #206#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:21,793 INFO L280 TraceCheckUtils]: 93: Hoare triple {2848#(= 0 main_~c~0)} assume !!(~cp~0 != ~urilen~0 - 1 && ~c~0 < ~tokenlen~0 - 1); {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,793 INFO L263 TraceCheckUtils]: 94: Hoare triple {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,794 INFO L280 TraceCheckUtils]: 95: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,794 INFO L280 TraceCheckUtils]: 96: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,794 INFO L280 TraceCheckUtils]: 97: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,796 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {2812#true} {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} #208#return; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,796 INFO L263 TraceCheckUtils]: 99: Hoare triple {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-08 23:38:21,796 INFO L280 TraceCheckUtils]: 100: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-08 23:38:21,796 INFO L280 TraceCheckUtils]: 101: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-08 23:38:21,797 INFO L280 TraceCheckUtils]: 102: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-08 23:38:21,798 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {2812#true} {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} #210#return; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,799 INFO L280 TraceCheckUtils]: 104: Hoare triple {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,800 INFO L280 TraceCheckUtils]: 105: Hoare triple {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} assume 0 != #t~nondet8; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,801 INFO L280 TraceCheckUtils]: 106: Hoare triple {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} havoc #t~nondet8; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,801 INFO L280 TraceCheckUtils]: 107: Hoare triple {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} #t~pre9 := 1 + ~c~0; {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} is VALID [2020-07-08 23:38:21,802 INFO L280 TraceCheckUtils]: 108: Hoare triple {2857#(and (<= (+ main_~c~0 2) main_~tokenlen~0) (= 0 main_~c~0))} ~c~0 := 1 + ~c~0; {2866#(< main_~c~0 main_~tokenlen~0)} is VALID [2020-07-08 23:38:21,803 INFO L280 TraceCheckUtils]: 109: Hoare triple {2866#(< main_~c~0 main_~tokenlen~0)} havoc #t~pre9; {2866#(< main_~c~0 main_~tokenlen~0)} is VALID [2020-07-08 23:38:21,804 INFO L263 TraceCheckUtils]: 110: Hoare triple {2866#(< main_~c~0 main_~tokenlen~0)} call __VERIFIER_assert((if ~c~0 < ~tokenlen~0 then 1 else 0)); {2867#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 23:38:21,805 INFO L280 TraceCheckUtils]: 111: Hoare triple {2867#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {2868#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 23:38:21,806 INFO L280 TraceCheckUtils]: 112: Hoare triple {2868#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {2813#false} is VALID [2020-07-08 23:38:21,806 INFO L280 TraceCheckUtils]: 113: Hoare triple {2813#false} assume !false; {2813#false} is VALID [2020-07-08 23:38:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-07-08 23:38:21,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584148167] [2020-07-08 23:38:21,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:21,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 23:38:21,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196269271] [2020-07-08 23:38:21,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-07-08 23:38:21,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:21,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:38:21,928 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:21,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:38:21,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:21,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:38:21,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:21,930 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand 7 states. [2020-07-08 23:38:22,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:22,727 INFO L93 Difference]: Finished difference Result 129 states and 154 transitions. [2020-07-08 23:38:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 23:38:22,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-07-08 23:38:22,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 135 transitions. [2020-07-08 23:38:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 135 transitions. [2020-07-08 23:38:22,736 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 135 transitions. [2020-07-08 23:38:22,920 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:22,925 INFO L225 Difference]: With dead ends: 129 [2020-07-08 23:38:22,926 INFO L226 Difference]: Without dead ends: 127 [2020-07-08 23:38:22,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-08 23:38:22,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-08 23:38:23,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 119. [2020-07-08 23:38:23,176 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:23,176 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 119 states. [2020-07-08 23:38:23,176 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 119 states. [2020-07-08 23:38:23,176 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 119 states. [2020-07-08 23:38:23,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:23,183 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2020-07-08 23:38:23,183 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2020-07-08 23:38:23,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:23,184 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:23,184 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 127 states. [2020-07-08 23:38:23,184 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 127 states. [2020-07-08 23:38:23,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:23,191 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2020-07-08 23:38:23,192 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2020-07-08 23:38:23,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:23,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:23,193 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:23,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-08 23:38:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2020-07-08 23:38:23,199 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 114 [2020-07-08 23:38:23,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:23,200 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2020-07-08 23:38:23,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:38:23,200 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 119 states and 141 transitions. [2020-07-08 23:38:23,424 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2020-07-08 23:38:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-08 23:38:23,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:23,428 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:23,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 23:38:23,428 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:23,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:23,429 INFO L82 PathProgramCache]: Analyzing trace with hash -279016842, now seen corresponding path program 1 times [2020-07-08 23:38:23,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:23,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352697097] [2020-07-08 23:38:23,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,562 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3623#true} {3623#true} #180#return; {3623#true} is VALID [2020-07-08 23:38:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,572 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,572 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,573 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,573 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #184#return; {3623#true} is VALID [2020-07-08 23:38:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,578 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,578 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,578 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,579 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #186#return; {3623#true} is VALID [2020-07-08 23:38:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,585 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,585 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,585 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,586 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #188#return; {3623#true} is VALID [2020-07-08 23:38:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,590 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,590 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,590 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,590 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #190#return; {3623#true} is VALID [2020-07-08 23:38:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,602 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,602 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,603 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,603 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #196#return; {3623#true} is VALID [2020-07-08 23:38:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,608 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,609 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,609 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,609 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #198#return; {3623#true} is VALID [2020-07-08 23:38:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,613 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,613 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,613 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,614 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #200#return; {3623#true} is VALID [2020-07-08 23:38:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,617 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,618 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,618 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,618 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #202#return; {3623#true} is VALID [2020-07-08 23:38:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,625 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,625 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,626 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #204#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,631 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,631 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,632 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,633 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #206#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,638 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,638 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,639 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,639 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #208#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,645 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,645 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,646 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #210#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:23,652 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,652 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,652 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,653 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3676#(<= 0 main_~c~0)} #212#return; {3676#(<= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,653 INFO L263 TraceCheckUtils]: 0: Hoare triple {3623#true} call ULTIMATE.init(); {3623#true} is VALID [2020-07-08 23:38:23,653 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,654 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3623#true} {3623#true} #180#return; {3623#true} is VALID [2020-07-08 23:38:23,654 INFO L263 TraceCheckUtils]: 3: Hoare triple {3623#true} call #t~ret11 := main(); {3623#true} is VALID [2020-07-08 23:38:23,654 INFO L280 TraceCheckUtils]: 4: Hoare triple {3623#true} havoc ~scheme~0; {3623#true} is VALID [2020-07-08 23:38:23,654 INFO L280 TraceCheckUtils]: 5: Hoare triple {3623#true} havoc ~urilen~0; {3623#true} is VALID [2020-07-08 23:38:23,654 INFO L280 TraceCheckUtils]: 6: Hoare triple {3623#true} havoc ~tokenlen~0; {3623#true} is VALID [2020-07-08 23:38:23,655 INFO L280 TraceCheckUtils]: 7: Hoare triple {3623#true} havoc ~cp~0; {3623#true} is VALID [2020-07-08 23:38:23,655 INFO L280 TraceCheckUtils]: 8: Hoare triple {3623#true} havoc ~c~0; {3623#true} is VALID [2020-07-08 23:38:23,655 INFO L280 TraceCheckUtils]: 9: Hoare triple {3623#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3623#true} is VALID [2020-07-08 23:38:23,655 INFO L280 TraceCheckUtils]: 10: Hoare triple {3623#true} ~urilen~0 := #t~nondet0; {3623#true} is VALID [2020-07-08 23:38:23,656 INFO L280 TraceCheckUtils]: 11: Hoare triple {3623#true} havoc #t~nondet0; {3623#true} is VALID [2020-07-08 23:38:23,656 INFO L280 TraceCheckUtils]: 12: Hoare triple {3623#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3623#true} is VALID [2020-07-08 23:38:23,656 INFO L280 TraceCheckUtils]: 13: Hoare triple {3623#true} ~tokenlen~0 := #t~nondet1; {3623#true} is VALID [2020-07-08 23:38:23,656 INFO L280 TraceCheckUtils]: 14: Hoare triple {3623#true} havoc #t~nondet1; {3623#true} is VALID [2020-07-08 23:38:23,656 INFO L280 TraceCheckUtils]: 15: Hoare triple {3623#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3623#true} is VALID [2020-07-08 23:38:23,657 INFO L280 TraceCheckUtils]: 16: Hoare triple {3623#true} ~scheme~0 := #t~nondet2; {3623#true} is VALID [2020-07-08 23:38:23,657 INFO L280 TraceCheckUtils]: 17: Hoare triple {3623#true} havoc #t~nondet2; {3623#true} is VALID [2020-07-08 23:38:23,657 INFO L280 TraceCheckUtils]: 18: Hoare triple {3623#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {3623#true} is VALID [2020-07-08 23:38:23,657 INFO L280 TraceCheckUtils]: 19: Hoare triple {3623#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {3623#true} is VALID [2020-07-08 23:38:23,657 INFO L280 TraceCheckUtils]: 20: Hoare triple {3623#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {3623#true} is VALID [2020-07-08 23:38:23,658 INFO L280 TraceCheckUtils]: 21: Hoare triple {3623#true} assume ~urilen~0 > 0; {3623#true} is VALID [2020-07-08 23:38:23,658 INFO L280 TraceCheckUtils]: 22: Hoare triple {3623#true} assume ~tokenlen~0 > 0; {3623#true} is VALID [2020-07-08 23:38:23,658 INFO L280 TraceCheckUtils]: 23: Hoare triple {3623#true} assume ~scheme~0 >= 0; {3623#true} is VALID [2020-07-08 23:38:23,658 INFO L280 TraceCheckUtils]: 24: Hoare triple {3623#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {3623#true} is VALID [2020-07-08 23:38:23,658 INFO L280 TraceCheckUtils]: 25: Hoare triple {3623#true} ~cp~0 := ~scheme~0; {3623#true} is VALID [2020-07-08 23:38:23,659 INFO L263 TraceCheckUtils]: 26: Hoare triple {3623#true} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,659 INFO L280 TraceCheckUtils]: 27: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,659 INFO L280 TraceCheckUtils]: 28: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,659 INFO L280 TraceCheckUtils]: 29: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,659 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3623#true} {3623#true} #184#return; {3623#true} is VALID [2020-07-08 23:38:23,660 INFO L263 TraceCheckUtils]: 31: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,660 INFO L280 TraceCheckUtils]: 32: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,660 INFO L280 TraceCheckUtils]: 33: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,660 INFO L280 TraceCheckUtils]: 34: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,661 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3623#true} {3623#true} #186#return; {3623#true} is VALID [2020-07-08 23:38:23,661 INFO L280 TraceCheckUtils]: 36: Hoare triple {3623#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3623#true} is VALID [2020-07-08 23:38:23,661 INFO L280 TraceCheckUtils]: 37: Hoare triple {3623#true} assume 0 != #t~nondet3; {3623#true} is VALID [2020-07-08 23:38:23,661 INFO L280 TraceCheckUtils]: 38: Hoare triple {3623#true} havoc #t~nondet3; {3623#true} is VALID [2020-07-08 23:38:23,662 INFO L263 TraceCheckUtils]: 39: Hoare triple {3623#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,662 INFO L280 TraceCheckUtils]: 40: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,662 INFO L280 TraceCheckUtils]: 41: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,662 INFO L280 TraceCheckUtils]: 42: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,662 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3623#true} {3623#true} #188#return; {3623#true} is VALID [2020-07-08 23:38:23,663 INFO L263 TraceCheckUtils]: 44: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,663 INFO L280 TraceCheckUtils]: 45: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,663 INFO L280 TraceCheckUtils]: 46: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,663 INFO L280 TraceCheckUtils]: 47: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,664 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3623#true} {3623#true} #190#return; {3623#true} is VALID [2020-07-08 23:38:23,664 INFO L280 TraceCheckUtils]: 49: Hoare triple {3623#true} assume !!(~cp~0 != ~urilen~0 - 1); {3623#true} is VALID [2020-07-08 23:38:23,664 INFO L280 TraceCheckUtils]: 50: Hoare triple {3623#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {3623#true} is VALID [2020-07-08 23:38:23,664 INFO L280 TraceCheckUtils]: 51: Hoare triple {3623#true} assume 0 != #t~nondet4; {3623#true} is VALID [2020-07-08 23:38:23,664 INFO L280 TraceCheckUtils]: 52: Hoare triple {3623#true} havoc #t~nondet4; {3623#true} is VALID [2020-07-08 23:38:23,665 INFO L263 TraceCheckUtils]: 53: Hoare triple {3623#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,665 INFO L280 TraceCheckUtils]: 54: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,665 INFO L280 TraceCheckUtils]: 55: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,665 INFO L280 TraceCheckUtils]: 56: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,665 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3623#true} {3623#true} #196#return; {3623#true} is VALID [2020-07-08 23:38:23,665 INFO L263 TraceCheckUtils]: 58: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,666 INFO L280 TraceCheckUtils]: 59: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,666 INFO L280 TraceCheckUtils]: 60: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,666 INFO L280 TraceCheckUtils]: 61: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,666 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {3623#true} {3623#true} #198#return; {3623#true} is VALID [2020-07-08 23:38:23,666 INFO L280 TraceCheckUtils]: 63: Hoare triple {3623#true} assume !(~cp~0 == ~urilen~0 - 1); {3623#true} is VALID [2020-07-08 23:38:23,667 INFO L263 TraceCheckUtils]: 64: Hoare triple {3623#true} call __VERIFIER_assert((if 1 + ~cp~0 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,667 INFO L280 TraceCheckUtils]: 65: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,667 INFO L280 TraceCheckUtils]: 66: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,667 INFO L280 TraceCheckUtils]: 67: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,667 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {3623#true} {3623#true} #200#return; {3623#true} is VALID [2020-07-08 23:38:23,668 INFO L263 TraceCheckUtils]: 69: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= 1 + ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,668 INFO L280 TraceCheckUtils]: 70: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,668 INFO L280 TraceCheckUtils]: 71: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,668 INFO L280 TraceCheckUtils]: 72: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,668 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3623#true} {3623#true} #202#return; {3623#true} is VALID [2020-07-08 23:38:23,669 INFO L280 TraceCheckUtils]: 74: Hoare triple {3623#true} assume !(1 + ~cp~0 == ~urilen~0 - 1); {3623#true} is VALID [2020-07-08 23:38:23,669 INFO L280 TraceCheckUtils]: 75: Hoare triple {3623#true} #t~pre6 := 1 + ~cp~0; {3623#true} is VALID [2020-07-08 23:38:23,669 INFO L280 TraceCheckUtils]: 76: Hoare triple {3623#true} ~cp~0 := 1 + ~cp~0; {3623#true} is VALID [2020-07-08 23:38:23,669 INFO L280 TraceCheckUtils]: 77: Hoare triple {3623#true} havoc #t~pre6; {3623#true} is VALID [2020-07-08 23:38:23,669 INFO L280 TraceCheckUtils]: 78: Hoare triple {3623#true} ~scheme~0 := ~cp~0; {3623#true} is VALID [2020-07-08 23:38:23,670 INFO L280 TraceCheckUtils]: 79: Hoare triple {3623#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {3623#true} is VALID [2020-07-08 23:38:23,670 INFO L280 TraceCheckUtils]: 80: Hoare triple {3623#true} assume 0 != #t~nondet7; {3623#true} is VALID [2020-07-08 23:38:23,670 INFO L280 TraceCheckUtils]: 81: Hoare triple {3623#true} havoc #t~nondet7; {3623#true} is VALID [2020-07-08 23:38:23,671 INFO L280 TraceCheckUtils]: 82: Hoare triple {3623#true} ~c~0 := 0; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,671 INFO L263 TraceCheckUtils]: 83: Hoare triple {3659#(= 0 main_~c~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,671 INFO L280 TraceCheckUtils]: 84: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,671 INFO L280 TraceCheckUtils]: 85: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,672 INFO L280 TraceCheckUtils]: 86: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,672 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #204#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,673 INFO L263 TraceCheckUtils]: 88: Hoare triple {3659#(= 0 main_~c~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,673 INFO L280 TraceCheckUtils]: 89: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,673 INFO L280 TraceCheckUtils]: 90: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,673 INFO L280 TraceCheckUtils]: 91: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,674 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #206#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,674 INFO L280 TraceCheckUtils]: 93: Hoare triple {3659#(= 0 main_~c~0)} assume !!(~cp~0 != ~urilen~0 - 1 && ~c~0 < ~tokenlen~0 - 1); {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,675 INFO L263 TraceCheckUtils]: 94: Hoare triple {3659#(= 0 main_~c~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,675 INFO L280 TraceCheckUtils]: 95: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,675 INFO L280 TraceCheckUtils]: 96: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,675 INFO L280 TraceCheckUtils]: 97: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,676 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #208#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,676 INFO L263 TraceCheckUtils]: 99: Hoare triple {3659#(= 0 main_~c~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,676 INFO L280 TraceCheckUtils]: 100: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,677 INFO L280 TraceCheckUtils]: 101: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,677 INFO L280 TraceCheckUtils]: 102: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,678 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #210#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,678 INFO L280 TraceCheckUtils]: 104: Hoare triple {3659#(= 0 main_~c~0)} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,679 INFO L280 TraceCheckUtils]: 105: Hoare triple {3659#(= 0 main_~c~0)} assume 0 != #t~nondet8; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,679 INFO L280 TraceCheckUtils]: 106: Hoare triple {3659#(= 0 main_~c~0)} havoc #t~nondet8; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,680 INFO L280 TraceCheckUtils]: 107: Hoare triple {3659#(= 0 main_~c~0)} #t~pre9 := 1 + ~c~0; {3659#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,680 INFO L280 TraceCheckUtils]: 108: Hoare triple {3659#(= 0 main_~c~0)} ~c~0 := 1 + ~c~0; {3676#(<= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,681 INFO L280 TraceCheckUtils]: 109: Hoare triple {3676#(<= 0 main_~c~0)} havoc #t~pre9; {3676#(<= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,681 INFO L263 TraceCheckUtils]: 110: Hoare triple {3676#(<= 0 main_~c~0)} call __VERIFIER_assert((if ~c~0 < ~tokenlen~0 then 1 else 0)); {3623#true} is VALID [2020-07-08 23:38:23,681 INFO L280 TraceCheckUtils]: 111: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-08 23:38:23,681 INFO L280 TraceCheckUtils]: 112: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-08 23:38:23,682 INFO L280 TraceCheckUtils]: 113: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-08 23:38:23,682 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {3623#true} {3676#(<= 0 main_~c~0)} #212#return; {3676#(<= 0 main_~c~0)} is VALID [2020-07-08 23:38:23,683 INFO L263 TraceCheckUtils]: 115: Hoare triple {3676#(<= 0 main_~c~0)} call __VERIFIER_assert((if 0 <= ~c~0 then 1 else 0)); {3681#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 23:38:23,684 INFO L280 TraceCheckUtils]: 116: Hoare triple {3681#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {3682#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 23:38:23,685 INFO L280 TraceCheckUtils]: 117: Hoare triple {3682#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {3624#false} is VALID [2020-07-08 23:38:23,685 INFO L280 TraceCheckUtils]: 118: Hoare triple {3624#false} assume !false; {3624#false} is VALID [2020-07-08 23:38:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-07-08 23:38:23,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352697097] [2020-07-08 23:38:23,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:38:23,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 23:38:23,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174113452] [2020-07-08 23:38:23,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-07-08 23:38:23,696 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:23,696 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 23:38:23,778 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:23,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 23:38:23,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:23,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 23:38:23,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-08 23:38:23,780 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 6 states. [2020-07-08 23:38:24,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:24,503 INFO L93 Difference]: Finished difference Result 125 states and 146 transitions. [2020-07-08 23:38:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-08 23:38:24,504 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-07-08 23:38:24,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:24,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:24,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2020-07-08 23:38:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 23:38:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2020-07-08 23:38:24,513 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 121 transitions. [2020-07-08 23:38:24,656 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 121 edges. 121 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:24,660 INFO L225 Difference]: With dead ends: 125 [2020-07-08 23:38:24,660 INFO L226 Difference]: Without dead ends: 123 [2020-07-08 23:38:24,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:24,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-08 23:38:24,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-08 23:38:24,890 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:24,890 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 123 states. [2020-07-08 23:38:24,890 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 123 states. [2020-07-08 23:38:24,890 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 123 states. [2020-07-08 23:38:24,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:24,896 INFO L93 Difference]: Finished difference Result 123 states and 144 transitions. [2020-07-08 23:38:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-08 23:38:24,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:24,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:24,897 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 123 states. [2020-07-08 23:38:24,898 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 123 states. [2020-07-08 23:38:24,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:24,904 INFO L93 Difference]: Finished difference Result 123 states and 144 transitions. [2020-07-08 23:38:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-08 23:38:24,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:24,905 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:24,905 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:24,905 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:24,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-08 23:38:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-08 23:38:24,910 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 119 [2020-07-08 23:38:24,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:24,911 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-08 23:38:24,911 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 23:38:24,911 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 123 states and 144 transitions. [2020-07-08 23:38:25,115 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:25,115 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-08 23:38:25,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-08 23:38:25,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:38:25,121 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:38:25,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-08 23:38:25,122 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:38:25,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:38:25,122 INFO L82 PathProgramCache]: Analyzing trace with hash 486899888, now seen corresponding path program 1 times [2020-07-08 23:38:25,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:38:25,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016138138] [2020-07-08 23:38:25,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:38:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,247 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,248 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4429#true} {4429#true} #180#return; {4429#true} is VALID [2020-07-08 23:38:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,258 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,259 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,259 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,259 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #184#return; {4429#true} is VALID [2020-07-08 23:38:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,264 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,265 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,265 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,265 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #186#return; {4429#true} is VALID [2020-07-08 23:38:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,270 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,271 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,271 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,271 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #188#return; {4429#true} is VALID [2020-07-08 23:38:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,276 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,277 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,277 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,277 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #190#return; {4429#true} is VALID [2020-07-08 23:38:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,282 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,282 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,282 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,282 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #196#return; {4429#true} is VALID [2020-07-08 23:38:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,286 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,287 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,287 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,287 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #198#return; {4429#true} is VALID [2020-07-08 23:38:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,292 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,292 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,293 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,293 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #200#return; {4429#true} is VALID [2020-07-08 23:38:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,297 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,297 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,297 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,298 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #202#return; {4429#true} is VALID [2020-07-08 23:38:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,304 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,304 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,304 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,306 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #204#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,312 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,312 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,312 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,314 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #206#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,318 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,319 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,319 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,320 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #208#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,326 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,326 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,327 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #210#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,331 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,332 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #212#return; {4429#true} is VALID [2020-07-08 23:38:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,336 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,336 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,336 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,337 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #214#return; {4429#true} is VALID [2020-07-08 23:38:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,341 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,341 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,342 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,342 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #216#return; {4429#true} is VALID [2020-07-08 23:38:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,345 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,346 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,346 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,346 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #218#return; {4429#true} is VALID [2020-07-08 23:38:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,352 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,352 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,353 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,354 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} #208#return; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:38:25,358 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,359 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,359 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,360 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} #210#return; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,360 INFO L263 TraceCheckUtils]: 0: Hoare triple {4429#true} call ULTIMATE.init(); {4429#true} is VALID [2020-07-08 23:38:25,360 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,361 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4429#true} {4429#true} #180#return; {4429#true} is VALID [2020-07-08 23:38:25,361 INFO L263 TraceCheckUtils]: 3: Hoare triple {4429#true} call #t~ret11 := main(); {4429#true} is VALID [2020-07-08 23:38:25,361 INFO L280 TraceCheckUtils]: 4: Hoare triple {4429#true} havoc ~scheme~0; {4429#true} is VALID [2020-07-08 23:38:25,361 INFO L280 TraceCheckUtils]: 5: Hoare triple {4429#true} havoc ~urilen~0; {4429#true} is VALID [2020-07-08 23:38:25,362 INFO L280 TraceCheckUtils]: 6: Hoare triple {4429#true} havoc ~tokenlen~0; {4429#true} is VALID [2020-07-08 23:38:25,362 INFO L280 TraceCheckUtils]: 7: Hoare triple {4429#true} havoc ~cp~0; {4429#true} is VALID [2020-07-08 23:38:25,362 INFO L280 TraceCheckUtils]: 8: Hoare triple {4429#true} havoc ~c~0; {4429#true} is VALID [2020-07-08 23:38:25,362 INFO L280 TraceCheckUtils]: 9: Hoare triple {4429#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4429#true} is VALID [2020-07-08 23:38:25,362 INFO L280 TraceCheckUtils]: 10: Hoare triple {4429#true} ~urilen~0 := #t~nondet0; {4429#true} is VALID [2020-07-08 23:38:25,362 INFO L280 TraceCheckUtils]: 11: Hoare triple {4429#true} havoc #t~nondet0; {4429#true} is VALID [2020-07-08 23:38:25,363 INFO L280 TraceCheckUtils]: 12: Hoare triple {4429#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4429#true} is VALID [2020-07-08 23:38:25,363 INFO L280 TraceCheckUtils]: 13: Hoare triple {4429#true} ~tokenlen~0 := #t~nondet1; {4429#true} is VALID [2020-07-08 23:38:25,363 INFO L280 TraceCheckUtils]: 14: Hoare triple {4429#true} havoc #t~nondet1; {4429#true} is VALID [2020-07-08 23:38:25,363 INFO L280 TraceCheckUtils]: 15: Hoare triple {4429#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {4429#true} is VALID [2020-07-08 23:38:25,363 INFO L280 TraceCheckUtils]: 16: Hoare triple {4429#true} ~scheme~0 := #t~nondet2; {4429#true} is VALID [2020-07-08 23:38:25,364 INFO L280 TraceCheckUtils]: 17: Hoare triple {4429#true} havoc #t~nondet2; {4429#true} is VALID [2020-07-08 23:38:25,364 INFO L280 TraceCheckUtils]: 18: Hoare triple {4429#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {4429#true} is VALID [2020-07-08 23:38:25,364 INFO L280 TraceCheckUtils]: 19: Hoare triple {4429#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {4429#true} is VALID [2020-07-08 23:38:25,364 INFO L280 TraceCheckUtils]: 20: Hoare triple {4429#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {4429#true} is VALID [2020-07-08 23:38:25,364 INFO L280 TraceCheckUtils]: 21: Hoare triple {4429#true} assume ~urilen~0 > 0; {4429#true} is VALID [2020-07-08 23:38:25,365 INFO L280 TraceCheckUtils]: 22: Hoare triple {4429#true} assume ~tokenlen~0 > 0; {4429#true} is VALID [2020-07-08 23:38:25,365 INFO L280 TraceCheckUtils]: 23: Hoare triple {4429#true} assume ~scheme~0 >= 0; {4429#true} is VALID [2020-07-08 23:38:25,365 INFO L280 TraceCheckUtils]: 24: Hoare triple {4429#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {4429#true} is VALID [2020-07-08 23:38:25,365 INFO L280 TraceCheckUtils]: 25: Hoare triple {4429#true} ~cp~0 := ~scheme~0; {4429#true} is VALID [2020-07-08 23:38:25,365 INFO L263 TraceCheckUtils]: 26: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,366 INFO L280 TraceCheckUtils]: 27: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,366 INFO L280 TraceCheckUtils]: 28: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,366 INFO L280 TraceCheckUtils]: 29: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,366 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4429#true} {4429#true} #184#return; {4429#true} is VALID [2020-07-08 23:38:25,366 INFO L263 TraceCheckUtils]: 31: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,366 INFO L280 TraceCheckUtils]: 32: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,367 INFO L280 TraceCheckUtils]: 33: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,367 INFO L280 TraceCheckUtils]: 34: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,367 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4429#true} {4429#true} #186#return; {4429#true} is VALID [2020-07-08 23:38:25,367 INFO L280 TraceCheckUtils]: 36: Hoare triple {4429#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4429#true} is VALID [2020-07-08 23:38:25,367 INFO L280 TraceCheckUtils]: 37: Hoare triple {4429#true} assume 0 != #t~nondet3; {4429#true} is VALID [2020-07-08 23:38:25,368 INFO L280 TraceCheckUtils]: 38: Hoare triple {4429#true} havoc #t~nondet3; {4429#true} is VALID [2020-07-08 23:38:25,368 INFO L263 TraceCheckUtils]: 39: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,368 INFO L280 TraceCheckUtils]: 40: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,368 INFO L280 TraceCheckUtils]: 41: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,368 INFO L280 TraceCheckUtils]: 42: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,368 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {4429#true} {4429#true} #188#return; {4429#true} is VALID [2020-07-08 23:38:25,369 INFO L263 TraceCheckUtils]: 44: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,369 INFO L280 TraceCheckUtils]: 45: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,369 INFO L280 TraceCheckUtils]: 46: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,369 INFO L280 TraceCheckUtils]: 47: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,369 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {4429#true} {4429#true} #190#return; {4429#true} is VALID [2020-07-08 23:38:25,370 INFO L280 TraceCheckUtils]: 49: Hoare triple {4429#true} assume !!(~cp~0 != ~urilen~0 - 1); {4429#true} is VALID [2020-07-08 23:38:25,370 INFO L280 TraceCheckUtils]: 50: Hoare triple {4429#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {4429#true} is VALID [2020-07-08 23:38:25,370 INFO L280 TraceCheckUtils]: 51: Hoare triple {4429#true} assume 0 != #t~nondet4; {4429#true} is VALID [2020-07-08 23:38:25,370 INFO L280 TraceCheckUtils]: 52: Hoare triple {4429#true} havoc #t~nondet4; {4429#true} is VALID [2020-07-08 23:38:25,370 INFO L263 TraceCheckUtils]: 53: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,370 INFO L280 TraceCheckUtils]: 54: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,371 INFO L280 TraceCheckUtils]: 55: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,371 INFO L280 TraceCheckUtils]: 56: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,371 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {4429#true} {4429#true} #196#return; {4429#true} is VALID [2020-07-08 23:38:25,371 INFO L263 TraceCheckUtils]: 58: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,371 INFO L280 TraceCheckUtils]: 59: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,372 INFO L280 TraceCheckUtils]: 60: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,372 INFO L280 TraceCheckUtils]: 61: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,372 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {4429#true} {4429#true} #198#return; {4429#true} is VALID [2020-07-08 23:38:25,372 INFO L280 TraceCheckUtils]: 63: Hoare triple {4429#true} assume !(~cp~0 == ~urilen~0 - 1); {4429#true} is VALID [2020-07-08 23:38:25,372 INFO L263 TraceCheckUtils]: 64: Hoare triple {4429#true} call __VERIFIER_assert((if 1 + ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,372 INFO L280 TraceCheckUtils]: 65: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,373 INFO L280 TraceCheckUtils]: 66: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,373 INFO L280 TraceCheckUtils]: 67: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,373 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {4429#true} {4429#true} #200#return; {4429#true} is VALID [2020-07-08 23:38:25,373 INFO L263 TraceCheckUtils]: 69: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= 1 + ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,373 INFO L280 TraceCheckUtils]: 70: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,374 INFO L280 TraceCheckUtils]: 71: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,374 INFO L280 TraceCheckUtils]: 72: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,374 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {4429#true} {4429#true} #202#return; {4429#true} is VALID [2020-07-08 23:38:25,374 INFO L280 TraceCheckUtils]: 74: Hoare triple {4429#true} assume !(1 + ~cp~0 == ~urilen~0 - 1); {4429#true} is VALID [2020-07-08 23:38:25,374 INFO L280 TraceCheckUtils]: 75: Hoare triple {4429#true} #t~pre6 := 1 + ~cp~0; {4429#true} is VALID [2020-07-08 23:38:25,375 INFO L280 TraceCheckUtils]: 76: Hoare triple {4429#true} ~cp~0 := 1 + ~cp~0; {4429#true} is VALID [2020-07-08 23:38:25,375 INFO L280 TraceCheckUtils]: 77: Hoare triple {4429#true} havoc #t~pre6; {4429#true} is VALID [2020-07-08 23:38:25,375 INFO L280 TraceCheckUtils]: 78: Hoare triple {4429#true} ~scheme~0 := ~cp~0; {4429#true} is VALID [2020-07-08 23:38:25,375 INFO L280 TraceCheckUtils]: 79: Hoare triple {4429#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {4429#true} is VALID [2020-07-08 23:38:25,375 INFO L280 TraceCheckUtils]: 80: Hoare triple {4429#true} assume 0 != #t~nondet7; {4429#true} is VALID [2020-07-08 23:38:25,375 INFO L280 TraceCheckUtils]: 81: Hoare triple {4429#true} havoc #t~nondet7; {4429#true} is VALID [2020-07-08 23:38:25,376 INFO L280 TraceCheckUtils]: 82: Hoare triple {4429#true} ~c~0 := 0; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,377 INFO L263 TraceCheckUtils]: 83: Hoare triple {4465#(= 0 main_~c~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,377 INFO L280 TraceCheckUtils]: 84: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,377 INFO L280 TraceCheckUtils]: 85: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,377 INFO L280 TraceCheckUtils]: 86: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,378 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #204#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,378 INFO L263 TraceCheckUtils]: 88: Hoare triple {4465#(= 0 main_~c~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,379 INFO L280 TraceCheckUtils]: 89: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,379 INFO L280 TraceCheckUtils]: 90: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,379 INFO L280 TraceCheckUtils]: 91: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,380 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #206#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,380 INFO L280 TraceCheckUtils]: 93: Hoare triple {4465#(= 0 main_~c~0)} assume !!(~cp~0 != ~urilen~0 - 1 && ~c~0 < ~tokenlen~0 - 1); {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,381 INFO L263 TraceCheckUtils]: 94: Hoare triple {4465#(= 0 main_~c~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,381 INFO L280 TraceCheckUtils]: 95: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,381 INFO L280 TraceCheckUtils]: 96: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,381 INFO L280 TraceCheckUtils]: 97: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,382 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #208#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,382 INFO L263 TraceCheckUtils]: 99: Hoare triple {4465#(= 0 main_~c~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,382 INFO L280 TraceCheckUtils]: 100: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,382 INFO L280 TraceCheckUtils]: 101: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,383 INFO L280 TraceCheckUtils]: 102: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,383 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {4429#true} {4465#(= 0 main_~c~0)} #210#return; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,384 INFO L280 TraceCheckUtils]: 104: Hoare triple {4465#(= 0 main_~c~0)} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,385 INFO L280 TraceCheckUtils]: 105: Hoare triple {4465#(= 0 main_~c~0)} assume 0 != #t~nondet8; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,385 INFO L280 TraceCheckUtils]: 106: Hoare triple {4465#(= 0 main_~c~0)} havoc #t~nondet8; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,386 INFO L280 TraceCheckUtils]: 107: Hoare triple {4465#(= 0 main_~c~0)} #t~pre9 := 1 + ~c~0; {4465#(= 0 main_~c~0)} is VALID [2020-07-08 23:38:25,386 INFO L280 TraceCheckUtils]: 108: Hoare triple {4465#(= 0 main_~c~0)} ~c~0 := 1 + ~c~0; {4429#true} is VALID [2020-07-08 23:38:25,386 INFO L280 TraceCheckUtils]: 109: Hoare triple {4429#true} havoc #t~pre9; {4429#true} is VALID [2020-07-08 23:38:25,387 INFO L263 TraceCheckUtils]: 110: Hoare triple {4429#true} call __VERIFIER_assert((if ~c~0 < ~tokenlen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,387 INFO L280 TraceCheckUtils]: 111: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,387 INFO L280 TraceCheckUtils]: 112: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,387 INFO L280 TraceCheckUtils]: 113: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,387 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {4429#true} {4429#true} #212#return; {4429#true} is VALID [2020-07-08 23:38:25,388 INFO L263 TraceCheckUtils]: 115: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~c~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,388 INFO L280 TraceCheckUtils]: 116: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,388 INFO L280 TraceCheckUtils]: 117: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,388 INFO L280 TraceCheckUtils]: 118: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,388 INFO L275 TraceCheckUtils]: 119: Hoare quadruple {4429#true} {4429#true} #214#return; {4429#true} is VALID [2020-07-08 23:38:25,389 INFO L263 TraceCheckUtils]: 120: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,389 INFO L280 TraceCheckUtils]: 121: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,389 INFO L280 TraceCheckUtils]: 122: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,389 INFO L280 TraceCheckUtils]: 123: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,389 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4429#true} {4429#true} #216#return; {4429#true} is VALID [2020-07-08 23:38:25,390 INFO L263 TraceCheckUtils]: 125: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,390 INFO L280 TraceCheckUtils]: 126: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,390 INFO L280 TraceCheckUtils]: 127: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,390 INFO L280 TraceCheckUtils]: 128: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,390 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {4429#true} {4429#true} #218#return; {4429#true} is VALID [2020-07-08 23:38:25,391 INFO L280 TraceCheckUtils]: 130: Hoare triple {4429#true} #t~pre10 := 1 + ~cp~0; {4429#true} is VALID [2020-07-08 23:38:25,391 INFO L280 TraceCheckUtils]: 131: Hoare triple {4429#true} ~cp~0 := 1 + ~cp~0; {4429#true} is VALID [2020-07-08 23:38:25,391 INFO L280 TraceCheckUtils]: 132: Hoare triple {4429#true} havoc #t~pre10; {4429#true} is VALID [2020-07-08 23:38:25,392 INFO L280 TraceCheckUtils]: 133: Hoare triple {4429#true} assume !!(~cp~0 != ~urilen~0 - 1 && ~c~0 < ~tokenlen~0 - 1); {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,392 INFO L263 TraceCheckUtils]: 134: Hoare triple {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,392 INFO L280 TraceCheckUtils]: 135: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,393 INFO L280 TraceCheckUtils]: 136: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,393 INFO L280 TraceCheckUtils]: 137: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,394 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4429#true} {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} #208#return; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,394 INFO L263 TraceCheckUtils]: 139: Hoare triple {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-08 23:38:25,394 INFO L280 TraceCheckUtils]: 140: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-08 23:38:25,394 INFO L280 TraceCheckUtils]: 141: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-08 23:38:25,394 INFO L280 TraceCheckUtils]: 142: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-08 23:38:25,395 INFO L275 TraceCheckUtils]: 143: Hoare quadruple {4429#true} {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} #210#return; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,396 INFO L280 TraceCheckUtils]: 144: Hoare triple {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,396 INFO L280 TraceCheckUtils]: 145: Hoare triple {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} assume 0 != #t~nondet8; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,397 INFO L280 TraceCheckUtils]: 146: Hoare triple {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} havoc #t~nondet8; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,398 INFO L280 TraceCheckUtils]: 147: Hoare triple {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} #t~pre9 := 1 + ~c~0; {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,399 INFO L280 TraceCheckUtils]: 148: Hoare triple {4498#(<= (+ main_~c~0 2) main_~tokenlen~0)} ~c~0 := 1 + ~c~0; {4507#(<= (+ main_~c~0 1) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,399 INFO L280 TraceCheckUtils]: 149: Hoare triple {4507#(<= (+ main_~c~0 1) main_~tokenlen~0)} havoc #t~pre9; {4507#(<= (+ main_~c~0 1) main_~tokenlen~0)} is VALID [2020-07-08 23:38:25,400 INFO L263 TraceCheckUtils]: 150: Hoare triple {4507#(<= (+ main_~c~0 1) main_~tokenlen~0)} call __VERIFIER_assert((if ~c~0 < ~tokenlen~0 then 1 else 0)); {4508#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 23:38:25,401 INFO L280 TraceCheckUtils]: 151: Hoare triple {4508#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {4509#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 23:38:25,402 INFO L280 TraceCheckUtils]: 152: Hoare triple {4509#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {4430#false} is VALID [2020-07-08 23:38:25,402 INFO L280 TraceCheckUtils]: 153: Hoare triple {4430#false} assume !false; {4430#false} is VALID [2020-07-08 23:38:25,416 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 38 proven. 8 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-07-08 23:38:25,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016138138] [2020-07-08 23:38:25,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-08 23:38:25,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-07-08 23:38:25,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604169402] [2020-07-08 23:38:25,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-07-08 23:38:25,418 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:38:25,419 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 23:38:25,547 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:25,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 23:38:25,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:38:25,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 23:38:25,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-08 23:38:25,549 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 7 states. [2020-07-08 23:38:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:26,381 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-08 23:38:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 23:38:26,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-07-08 23:38:26,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:38:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 124 transitions. [2020-07-08 23:38:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 23:38:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 124 transitions. [2020-07-08 23:38:26,389 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 124 transitions. [2020-07-08 23:38:26,535 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:26,536 INFO L225 Difference]: With dead ends: 128 [2020-07-08 23:38:26,536 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 23:38:26,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-08 23:38:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 23:38:26,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 23:38:26,539 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:38:26,539 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 23:38:26,539 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 23:38:26,539 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 23:38:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:26,540 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 23:38:26,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 23:38:26,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:26,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:26,540 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 23:38:26,540 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 23:38:26,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:38:26,541 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 23:38:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 23:38:26,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:26,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:38:26,542 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:38:26,542 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:38:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 23:38:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 23:38:26,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2020-07-08 23:38:26,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:38:26,543 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 23:38:26,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 23:38:26,544 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-08 23:38:26,544 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:38:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 23:38:26,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:38:26,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-08 23:38:26,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 23:38:28,324 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-08 23:38:28,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-08 23:38:28,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-08 23:38:28,325 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 23:38:28,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 23:38:28,325 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-08 23:38:28,325 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed. [2020-07-08 23:38:28,325 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-08 23:38:28,326 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-08 23:38:28,326 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-07-08 23:38:28,326 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-08 23:38:28,326 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,327 INFO L264 CegarLoopResult]: At program point L60-1(line 60) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,327 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 72) the Hoare annotation is: true [2020-07-08 23:38:28,327 INFO L264 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0) (= 0 main_~c~0)) [2020-07-08 23:38:28,327 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-08 23:38:28,328 INFO L264 CegarLoopResult]: At program point L52-1(line 52) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0) (= 0 main_~c~0)) [2020-07-08 23:38:28,328 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-07-08 23:38:28,328 INFO L271 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: true [2020-07-08 23:38:28,328 INFO L264 CegarLoopResult]: At program point L36-1(lines 35 41) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,328 INFO L264 CegarLoopResult]: At program point L36-2(lines 36 41) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,329 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,329 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-08 23:38:28,329 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-08 23:38:28,329 INFO L271 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: true [2020-07-08 23:38:28,329 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,329 INFO L264 CegarLoopResult]: At program point L45-1(line 45) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,330 INFO L271 CegarLoopResult]: At program point L70(lines 14 72) the Hoare annotation is: true [2020-07-08 23:38:28,330 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,330 INFO L264 CegarLoopResult]: At program point L37-1(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,330 INFO L264 CegarLoopResult]: At program point L37-2(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,330 INFO L264 CegarLoopResult]: At program point L37-4(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,330 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,331 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-08 23:38:28,331 INFO L264 CegarLoopResult]: At program point L54-1(lines 53 66) the Hoare annotation is: (let ((.cse0 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse1 (< 0 main_~scheme~0)) (.cse2 (<= (+ main_~cp~0 1) main_~urilen~0)) (.cse3 (<= 1 main_~cp~0))) (or (and .cse0 (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 main_~c~0)))) [2020-07-08 23:38:28,331 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-07-08 23:38:28,331 INFO L264 CegarLoopResult]: At program point L46(lines 33 69) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,331 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 72) the Hoare annotation is: true [2020-07-08 23:38:28,331 INFO L264 CegarLoopResult]: At program point L38(line 38) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,332 INFO L264 CegarLoopResult]: At program point L38-1(line 38) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,332 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0)) [2020-07-08 23:38:28,332 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 72) the Hoare annotation is: true [2020-07-08 23:38:28,332 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-08 23:38:28,332 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-08 23:38:28,332 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,332 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,333 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,333 INFO L264 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,333 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-08 23:38:28,333 INFO L264 CegarLoopResult]: At program point L56-1(line 56) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,333 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-08 23:38:28,334 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,334 INFO L264 CegarLoopResult]: At program point L48-1(line 48) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,334 INFO L264 CegarLoopResult]: At program point L48-2(line 48) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,334 INFO L264 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,334 INFO L264 CegarLoopResult]: At program point L40-1(line 40) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,334 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,335 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,335 INFO L264 CegarLoopResult]: At program point L65-1(line 65) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,335 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,335 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-07-08 23:38:28,335 INFO L271 CegarLoopResult]: At program point L24-1(lines 14 72) the Hoare annotation is: true [2020-07-08 23:38:28,335 INFO L264 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,336 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-08 23:38:28,336 INFO L271 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: true [2020-07-08 23:38:28,336 INFO L264 CegarLoopResult]: At program point L33(lines 33 69) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,336 INFO L264 CegarLoopResult]: At program point L33-1(line 33) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,336 INFO L264 CegarLoopResult]: At program point L33-3(line 33) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,337 INFO L264 CegarLoopResult]: At program point L58(lines 58 64) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,337 INFO L271 CegarLoopResult]: At program point L25(lines 14 72) the Hoare annotation is: true [2020-07-08 23:38:28,337 INFO L264 CegarLoopResult]: At program point L58-1(line 58) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,337 INFO L264 CegarLoopResult]: At program point L58-2(line 58) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,337 INFO L264 CegarLoopResult]: At program point L58-3(lines 58 64) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,337 INFO L264 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,338 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-08 23:38:28,338 INFO L264 CegarLoopResult]: At program point L50-1(lines 50 68) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,338 INFO L271 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true [2020-07-08 23:38:28,338 INFO L264 CegarLoopResult]: At program point L50-2(line 50) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,338 INFO L271 CegarLoopResult]: At program point L50-3(line 50) the Hoare annotation is: true [2020-07-08 23:38:28,338 INFO L264 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (let ((.cse0 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse1 (< 0 main_~scheme~0)) (.cse2 (+ main_~cp~0 1))) (or (and .cse0 .cse1 (= .cse2 main_~urilen~0)) (and .cse0 .cse1 (<= 1 main_~cp~0) (< .cse2 main_~urilen~0)))) [2020-07-08 23:38:28,339 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,339 INFO L264 CegarLoopResult]: At program point L34-1(line 34) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,339 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,339 INFO L264 CegarLoopResult]: At program point L26(lines 14 72) the Hoare annotation is: (< 0 (+ main_~scheme~0 1)) [2020-07-08 23:38:28,339 INFO L264 CegarLoopResult]: At program point L59-1(line 59) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,339 INFO L264 CegarLoopResult]: At program point L59-2(line 59) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-08 23:38:28,340 INFO L264 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-08 23:38:28,340 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-08 23:38:28,340 INFO L271 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: true [2020-07-08 23:38:28,340 INFO L271 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: true [2020-07-08 23:38:28,340 INFO L264 CegarLoopResult]: At program point L43(lines 33 69) the Hoare annotation is: (let ((.cse0 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse1 (< 0 main_~scheme~0)) (.cse2 (+ main_~cp~0 1))) (or (and .cse0 .cse1 (= .cse2 main_~urilen~0)) (and .cse0 .cse1 (<= 1 main_~cp~0) (< .cse2 main_~urilen~0)))) [2020-07-08 23:38:28,340 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-07-08 23:38:28,340 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-08 23:38:28,341 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-08 23:38:28,341 INFO L264 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-08 23:38:28,341 INFO L264 CegarLoopResult]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-08 23:38:28,341 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-08 23:38:28,346 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 23:38:28,353 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 23:38:28,353 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 23:38:28,354 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-08 23:38:28,354 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-08 23:38:28,394 INFO L163 areAnnotationChecker]: CFG has 126 edges. 126 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 23:38:28,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:38:28 BoogieIcfgContainer [2020-07-08 23:38:28,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:38:28,422 INFO L168 Benchmark]: Toolchain (without parser) took 15633.39 ms. Allocated memory was 135.8 MB in the beginning and 390.1 MB in the end (delta: 254.3 MB). Free memory was 100.1 MB in the beginning and 170.8 MB in the end (delta: -70.7 MB). Peak memory consumption was 183.6 MB. Max. memory is 7.1 GB. [2020-07-08 23:38:28,428 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 23:38:28,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.90 ms. Allocated memory is still 135.8 MB. Free memory was 99.9 MB in the beginning and 88.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-08 23:38:28,430 INFO L168 Benchmark]: Boogie Preprocessor took 150.85 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 88.9 MB in the beginning and 177.7 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-08 23:38:28,431 INFO L168 Benchmark]: RCFGBuilder took 803.64 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 134.6 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:38:28,432 INFO L168 Benchmark]: TraceAbstraction took 14330.50 ms. Allocated memory was 199.8 MB in the beginning and 390.1 MB in the end (delta: 190.3 MB). Free memory was 134.6 MB in the beginning and 170.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 154.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:38:28,439 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 337.90 ms. Allocated memory is still 135.8 MB. Free memory was 99.9 MB in the beginning and 88.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.85 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 88.9 MB in the beginning and 177.7 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 803.64 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 134.6 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14330.50 ms. Allocated memory was 199.8 MB in the beginning and 390.1 MB in the end (delta: 190.3 MB). Free memory was 134.6 MB in the beginning and 170.8 MB in the end (delta: -36.2 MB). Peak memory consumption was 154.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((scheme + 1 <= urilen && 0 < scheme) && cp + 1 <= urilen) && 1 <= cp - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((scheme + 1 <= urilen && c + 1 <= tokenlen) && 0 <= c) && 0 < scheme) && cp + 1 <= urilen) && 1 <= cp) || ((((scheme + 1 <= urilen && 0 < scheme) && cp + 1 <= urilen) && 1 <= cp) && 0 == c) - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 0 == \old(cond) || !(0 == cond) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 7, TraceHistogramMax: 19, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 682 SDtfs, 335 SDslu, 2021 SDs, 0 SdLazy, 510 SolverSat, 181 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 398 PreInvPairs, 535 NumberOfFragments, 1132 HoareAnnotationTreeSize, 398 FomulaSimplifications, 716 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 92 FomulaSimplificationsInter, 454 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 88490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 1422/1430 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...