/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 0.1.25-267fbe0 [2020-07-18 06:35:40,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 06:35:40,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 06:35:40,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 06:35:40,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 06:35:40,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 06:35:40,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 06:35:40,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 06:35:40,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 06:35:40,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 06:35:40,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 06:35:40,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 06:35:40,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 06:35:40,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 06:35:40,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 06:35:40,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 06:35:40,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 06:35:40,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 06:35:40,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 06:35:40,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 06:35:40,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 06:35:40,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 06:35:40,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 06:35:40,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 06:35:40,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 06:35:40,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 06:35:40,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 06:35:40,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 06:35:40,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 06:35:40,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 06:35:40,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 06:35:40,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 06:35:40,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 06:35:40,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 06:35:40,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 06:35:40,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 06:35:40,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 06:35:40,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 06:35:40,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 06:35:40,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 06:35:40,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 06:35:40,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 06:35:41,001 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 06:35:41,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 06:35:41,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 06:35:41,003 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 06:35:41,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 06:35:41,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 06:35:41,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 06:35:41,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 06:35:41,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 06:35:41,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 06:35:41,005 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 06:35:41,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 06:35:41,005 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 06:35:41,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 06:35:41,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 06:35:41,006 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 06:35:41,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 06:35:41,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 06:35:41,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 06:35:41,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 06:35:41,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 06:35:41,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 06:35:41,008 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 [2020-07-18 06:35:41,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 06:35:41,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 06:35:41,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 06:35:41,370 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 06:35:41,371 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 06:35:41,372 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-07-18 06:35:41,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/840ba1c83/156ad8e5109f4991a5543ba733c5f9d7/FLAG469a964cc [2020-07-18 06:35:42,034 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 06:35:42,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-07-18 06:35:42,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/840ba1c83/156ad8e5109f4991a5543ba733c5f9d7/FLAG469a964cc [2020-07-18 06:35:42,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/840ba1c83/156ad8e5109f4991a5543ba733c5f9d7 [2020-07-18 06:35:42,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 06:35:42,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 06:35:42,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 06:35:42,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 06:35:42,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 06:35:42,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:42,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6d909b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42, skipping insertion in model container [2020-07-18 06:35:42,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:42,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 06:35:42,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 06:35:42,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:35:42,771 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 06:35:42,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 06:35:42,867 INFO L208 MainTranslator]: Completed translation [2020-07-18 06:35:42,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42 WrapperNode [2020-07-18 06:35:42,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 06:35:42,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 06:35:42,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 06:35:42,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 06:35:42,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:42,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:42,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:42,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:43,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:43,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:43,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (1/1) ... [2020-07-18 06:35:43,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 06:35:43,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 06:35:43,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 06:35:43,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 06:35:43,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (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 [2020-07-18 06:35:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 06:35:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 06:35:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 06:35:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 06:35:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 06:35:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 06:35:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 06:35:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 06:35:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 06:35:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 06:35:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 06:35:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 06:35:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 06:35:43,949 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 06:35:43,950 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-18 06:35:43,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:35:43 BoogieIcfgContainer [2020-07-18 06:35:43,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 06:35:43,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 06:35:43,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 06:35:43,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 06:35:43,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 06:35:42" (1/3) ... [2020-07-18 06:35:43,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44601392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:35:43, skipping insertion in model container [2020-07-18 06:35:43,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 06:35:42" (2/3) ... [2020-07-18 06:35:43,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44601392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 06:35:43, skipping insertion in model container [2020-07-18 06:35:43,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 06:35:43" (3/3) ... [2020-07-18 06:35:43,969 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2020-07-18 06:35:43,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 06:35:43,997 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 06:35:44,017 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 06:35:44,047 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 06:35:44,047 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 06:35:44,047 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 06:35:44,047 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 06:35:44,048 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 06:35:44,048 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 06:35:44,048 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 06:35:44,048 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 06:35:44,071 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-07-18 06:35:44,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-18 06:35:44,087 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:44,088 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] [2020-07-18 06:35:44,089 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:35:44,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:44,099 INFO L82 PathProgramCache]: Analyzing trace with hash 60896664, now seen corresponding path program 1 times [2020-07-18 06:35:44,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:44,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893865601] [2020-07-18 06:35:44,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:44,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-18 06:35:44,459 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {95#true} {95#true} #180#return; {95#true} is VALID [2020-07-18 06:35:44,462 INFO L263 TraceCheckUtils]: 0: Hoare triple {95#true} call ULTIMATE.init(); {95#true} is VALID [2020-07-18 06:35:44,463 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-18 06:35:44,463 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {95#true} {95#true} #180#return; {95#true} is VALID [2020-07-18 06:35:44,464 INFO L263 TraceCheckUtils]: 3: Hoare triple {95#true} call #t~ret11 := main(); {95#true} is VALID [2020-07-18 06:35:44,464 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} havoc ~scheme~0; {95#true} is VALID [2020-07-18 06:35:44,464 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} havoc ~urilen~0; {95#true} is VALID [2020-07-18 06:35:44,465 INFO L280 TraceCheckUtils]: 6: Hoare triple {95#true} havoc ~tokenlen~0; {95#true} is VALID [2020-07-18 06:35:44,465 INFO L280 TraceCheckUtils]: 7: Hoare triple {95#true} havoc ~cp~0; {95#true} is VALID [2020-07-18 06:35:44,465 INFO L280 TraceCheckUtils]: 8: Hoare triple {95#true} havoc ~c~0; {95#true} is VALID [2020-07-18 06:35:44,466 INFO L280 TraceCheckUtils]: 9: Hoare triple {95#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {95#true} is VALID [2020-07-18 06:35:44,466 INFO L280 TraceCheckUtils]: 10: Hoare triple {95#true} ~urilen~0 := #t~nondet0; {95#true} is VALID [2020-07-18 06:35:44,467 INFO L280 TraceCheckUtils]: 11: Hoare triple {95#true} havoc #t~nondet0; {95#true} is VALID [2020-07-18 06:35:44,467 INFO L280 TraceCheckUtils]: 12: Hoare triple {95#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {95#true} is VALID [2020-07-18 06:35:44,468 INFO L280 TraceCheckUtils]: 13: Hoare triple {95#true} ~tokenlen~0 := #t~nondet1; {95#true} is VALID [2020-07-18 06:35:44,468 INFO L280 TraceCheckUtils]: 14: Hoare triple {95#true} havoc #t~nondet1; {95#true} is VALID [2020-07-18 06:35:44,468 INFO L280 TraceCheckUtils]: 15: Hoare triple {95#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {95#true} is VALID [2020-07-18 06:35:44,469 INFO L280 TraceCheckUtils]: 16: Hoare triple {95#true} ~scheme~0 := #t~nondet2; {95#true} is VALID [2020-07-18 06:35:44,469 INFO L280 TraceCheckUtils]: 17: Hoare triple {95#true} havoc #t~nondet2; {95#true} is VALID [2020-07-18 06:35:44,470 INFO L280 TraceCheckUtils]: 18: Hoare triple {95#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {95#true} is VALID [2020-07-18 06:35:44,470 INFO L280 TraceCheckUtils]: 19: Hoare triple {95#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {95#true} is VALID [2020-07-18 06:35:44,470 INFO L280 TraceCheckUtils]: 20: Hoare triple {95#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {95#true} is VALID [2020-07-18 06:35:44,471 INFO L280 TraceCheckUtils]: 21: Hoare triple {95#true} assume ~urilen~0 > 0; {95#true} is VALID [2020-07-18 06:35:44,471 INFO L280 TraceCheckUtils]: 22: Hoare triple {95#true} assume ~tokenlen~0 > 0; {95#true} is VALID [2020-07-18 06:35:44,472 INFO L280 TraceCheckUtils]: 23: Hoare triple {95#true} assume ~scheme~0 >= 0; {95#true} is VALID [2020-07-18 06:35:44,476 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 [2020-07-18 06:35:44,477 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 [2020-07-18 06:35:44,480 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 [2020-07-18 06:35:44,482 INFO L280 TraceCheckUtils]: 27: Hoare triple {101#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {102#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:35:44,483 INFO L280 TraceCheckUtils]: 28: Hoare triple {102#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {96#false} is VALID [2020-07-18 06:35:44,484 INFO L280 TraceCheckUtils]: 29: Hoare triple {96#false} assume !false; {96#false} is VALID [2020-07-18 06:35:44,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 06:35:44,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893865601] [2020-07-18 06:35:44,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:44,493 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:44,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042489670] [2020-07-18 06:35:44,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 06:35:44,507 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:44,512 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:44,574 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:44,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:44,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:44,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:44,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:44,591 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 6 states. [2020-07-18 06:35:46,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:46,316 INFO L93 Difference]: Finished difference Result 178 states and 273 transitions. [2020-07-18 06:35:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 06:35:46,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-18 06:35:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:46,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-18 06:35:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 273 transitions. [2020-07-18 06:35:46,373 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 273 transitions. [2020-07-18 06:35:46,825 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 273 edges. 273 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:46,846 INFO L225 Difference]: With dead ends: 178 [2020-07-18 06:35:46,848 INFO L226 Difference]: Without dead ends: 103 [2020-07-18 06:35:46,863 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 [2020-07-18 06:35:46,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-07-18 06:35:47,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2020-07-18 06:35:47,037 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:47,038 INFO L82 GeneralOperation]: Start isEquivalent. First operand 103 states. Second operand 93 states. [2020-07-18 06:35:47,039 INFO L74 IsIncluded]: Start isIncluded. First operand 103 states. Second operand 93 states. [2020-07-18 06:35:47,039 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 93 states. [2020-07-18 06:35:47,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:47,052 INFO L93 Difference]: Finished difference Result 103 states and 130 transitions. [2020-07-18 06:35:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2020-07-18 06:35:47,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:47,058 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:47,059 INFO L74 IsIncluded]: Start isIncluded. First operand 93 states. Second operand 103 states. [2020-07-18 06:35:47,059 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 103 states. [2020-07-18 06:35:47,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:47,088 INFO L93 Difference]: Finished difference Result 103 states and 130 transitions. [2020-07-18 06:35:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2020-07-18 06:35:47,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:47,093 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:47,093 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:47,096 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-18 06:35:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2020-07-18 06:35:47,119 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 30 [2020-07-18 06:35:47,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:47,120 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2020-07-18 06:35:47,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:35:47,120 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 93 states and 116 transitions. [2020-07-18 06:35:47,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2020-07-18 06:35:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 06:35:47,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:47,310 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] [2020-07-18 06:35:47,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 06:35:47,311 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:35:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:47,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1464371663, now seen corresponding path program 1 times [2020-07-18 06:35:47,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:47,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985843279] [2020-07-18 06:35:47,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:47,467 INFO L280 TraceCheckUtils]: 0: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-18 06:35:47,468 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {857#true} {857#true} #180#return; {857#true} is VALID [2020-07-18 06:35:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:47,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {857#true} ~cond := #in~cond; {857#true} is VALID [2020-07-18 06:35:47,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {857#true} assume !(0 == ~cond); {857#true} is VALID [2020-07-18 06:35:47,481 INFO L280 TraceCheckUtils]: 2: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-18 06:35:47,483 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {857#true} {863#(<= 1 main_~cp~0)} #184#return; {863#(<= 1 main_~cp~0)} is VALID [2020-07-18 06:35:47,483 INFO L263 TraceCheckUtils]: 0: Hoare triple {857#true} call ULTIMATE.init(); {857#true} is VALID [2020-07-18 06:35:47,484 INFO L280 TraceCheckUtils]: 1: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-18 06:35:47,484 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {857#true} {857#true} #180#return; {857#true} is VALID [2020-07-18 06:35:47,484 INFO L263 TraceCheckUtils]: 3: Hoare triple {857#true} call #t~ret11 := main(); {857#true} is VALID [2020-07-18 06:35:47,485 INFO L280 TraceCheckUtils]: 4: Hoare triple {857#true} havoc ~scheme~0; {857#true} is VALID [2020-07-18 06:35:47,485 INFO L280 TraceCheckUtils]: 5: Hoare triple {857#true} havoc ~urilen~0; {857#true} is VALID [2020-07-18 06:35:47,485 INFO L280 TraceCheckUtils]: 6: Hoare triple {857#true} havoc ~tokenlen~0; {857#true} is VALID [2020-07-18 06:35:47,485 INFO L280 TraceCheckUtils]: 7: Hoare triple {857#true} havoc ~cp~0; {857#true} is VALID [2020-07-18 06:35:47,486 INFO L280 TraceCheckUtils]: 8: Hoare triple {857#true} havoc ~c~0; {857#true} is VALID [2020-07-18 06:35:47,486 INFO L280 TraceCheckUtils]: 9: Hoare triple {857#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {857#true} is VALID [2020-07-18 06:35:47,486 INFO L280 TraceCheckUtils]: 10: Hoare triple {857#true} ~urilen~0 := #t~nondet0; {857#true} is VALID [2020-07-18 06:35:47,487 INFO L280 TraceCheckUtils]: 11: Hoare triple {857#true} havoc #t~nondet0; {857#true} is VALID [2020-07-18 06:35:47,487 INFO L280 TraceCheckUtils]: 12: Hoare triple {857#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {857#true} is VALID [2020-07-18 06:35:47,487 INFO L280 TraceCheckUtils]: 13: Hoare triple {857#true} ~tokenlen~0 := #t~nondet1; {857#true} is VALID [2020-07-18 06:35:47,488 INFO L280 TraceCheckUtils]: 14: Hoare triple {857#true} havoc #t~nondet1; {857#true} is VALID [2020-07-18 06:35:47,488 INFO L280 TraceCheckUtils]: 15: Hoare triple {857#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {857#true} is VALID [2020-07-18 06:35:47,488 INFO L280 TraceCheckUtils]: 16: Hoare triple {857#true} ~scheme~0 := #t~nondet2; {857#true} is VALID [2020-07-18 06:35:47,489 INFO L280 TraceCheckUtils]: 17: Hoare triple {857#true} havoc #t~nondet2; {857#true} is VALID [2020-07-18 06:35:47,489 INFO L280 TraceCheckUtils]: 18: Hoare triple {857#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {857#true} is VALID [2020-07-18 06:35:47,489 INFO L280 TraceCheckUtils]: 19: Hoare triple {857#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {857#true} is VALID [2020-07-18 06:35:47,489 INFO L280 TraceCheckUtils]: 20: Hoare triple {857#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {857#true} is VALID [2020-07-18 06:35:47,490 INFO L280 TraceCheckUtils]: 21: Hoare triple {857#true} assume ~urilen~0 > 0; {857#true} is VALID [2020-07-18 06:35:47,490 INFO L280 TraceCheckUtils]: 22: Hoare triple {857#true} assume ~tokenlen~0 > 0; {857#true} is VALID [2020-07-18 06:35:47,491 INFO L280 TraceCheckUtils]: 23: Hoare triple {857#true} assume ~scheme~0 >= 0; {861#(< 0 (+ main_~scheme~0 1))} is VALID [2020-07-18 06:35:47,493 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 [2020-07-18 06:35:47,494 INFO L280 TraceCheckUtils]: 25: Hoare triple {862#(< 0 main_~scheme~0)} ~cp~0 := ~scheme~0; {863#(<= 1 main_~cp~0)} is VALID [2020-07-18 06:35:47,495 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 [2020-07-18 06:35:47,495 INFO L280 TraceCheckUtils]: 27: Hoare triple {857#true} ~cond := #in~cond; {857#true} is VALID [2020-07-18 06:35:47,495 INFO L280 TraceCheckUtils]: 28: Hoare triple {857#true} assume !(0 == ~cond); {857#true} is VALID [2020-07-18 06:35:47,496 INFO L280 TraceCheckUtils]: 29: Hoare triple {857#true} assume true; {857#true} is VALID [2020-07-18 06:35:47,497 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {857#true} {863#(<= 1 main_~cp~0)} #184#return; {863#(<= 1 main_~cp~0)} is VALID [2020-07-18 06:35:47,497 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 [2020-07-18 06:35:47,498 INFO L280 TraceCheckUtils]: 32: Hoare triple {868#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {869#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:35:47,499 INFO L280 TraceCheckUtils]: 33: Hoare triple {869#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {858#false} is VALID [2020-07-18 06:35:47,499 INFO L280 TraceCheckUtils]: 34: Hoare triple {858#false} assume !false; {858#false} is VALID [2020-07-18 06:35:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 06:35:47,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985843279] [2020-07-18 06:35:47,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:47,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:35:47,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325103299] [2020-07-18 06:35:47,505 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-18 06:35:47,505 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:47,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:35:47,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:47,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:35:47,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:47,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:35:47,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:35:47,569 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand 7 states. [2020-07-18 06:35:48,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:48,671 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2020-07-18 06:35:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 06:35:48,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-18 06:35:48,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2020-07-18 06:35:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 107 transitions. [2020-07-18 06:35:48,704 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 107 transitions. [2020-07-18 06:35:48,855 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:48,860 INFO L225 Difference]: With dead ends: 99 [2020-07-18 06:35:48,861 INFO L226 Difference]: Without dead ends: 97 [2020-07-18 06:35:48,862 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 [2020-07-18 06:35:48,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-18 06:35:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-18 06:35:49,026 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:49,026 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:49,026 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:49,026 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:49,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:49,034 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2020-07-18 06:35:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2020-07-18 06:35:49,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:49,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:49,036 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:49,037 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:49,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:49,045 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2020-07-18 06:35:49,045 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2020-07-18 06:35:49,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:49,046 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:49,047 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:49,047 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-18 06:35:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2020-07-18 06:35:49,054 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 35 [2020-07-18 06:35:49,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:49,055 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2020-07-18 06:35:49,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:35:49,055 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 97 states and 119 transitions. [2020-07-18 06:35:49,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 119 edges. 119 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2020-07-18 06:35:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-18 06:35:49,238 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:49,238 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] [2020-07-18 06:35:49,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 06:35:49,239 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:35:49,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:49,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1188311592, now seen corresponding path program 1 times [2020-07-18 06:35:49,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:49,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076991158] [2020-07-18 06:35:49,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,320 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,321 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1462#true} {1462#true} #180#return; {1462#true} is VALID [2020-07-18 06:35:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,327 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,328 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,328 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,328 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #184#return; {1462#true} is VALID [2020-07-18 06:35:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,334 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,335 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,335 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,336 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #186#return; {1462#true} is VALID [2020-07-18 06:35:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,342 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,342 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,343 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,343 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #188#return; {1462#true} is VALID [2020-07-18 06:35:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,350 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,350 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,350 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,351 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1462#true} {1462#true} #190#return; {1462#true} is VALID [2020-07-18 06:35:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,374 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,374 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,375 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,384 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 [2020-07-18 06:35:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:49,399 INFO L280 TraceCheckUtils]: 0: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,399 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,400 INFO L280 TraceCheckUtils]: 2: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,401 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 [2020-07-18 06:35:49,401 INFO L263 TraceCheckUtils]: 0: Hoare triple {1462#true} call ULTIMATE.init(); {1462#true} is VALID [2020-07-18 06:35:49,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,402 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1462#true} {1462#true} #180#return; {1462#true} is VALID [2020-07-18 06:35:49,402 INFO L263 TraceCheckUtils]: 3: Hoare triple {1462#true} call #t~ret11 := main(); {1462#true} is VALID [2020-07-18 06:35:49,403 INFO L280 TraceCheckUtils]: 4: Hoare triple {1462#true} havoc ~scheme~0; {1462#true} is VALID [2020-07-18 06:35:49,403 INFO L280 TraceCheckUtils]: 5: Hoare triple {1462#true} havoc ~urilen~0; {1462#true} is VALID [2020-07-18 06:35:49,403 INFO L280 TraceCheckUtils]: 6: Hoare triple {1462#true} havoc ~tokenlen~0; {1462#true} is VALID [2020-07-18 06:35:49,404 INFO L280 TraceCheckUtils]: 7: Hoare triple {1462#true} havoc ~cp~0; {1462#true} is VALID [2020-07-18 06:35:49,404 INFO L280 TraceCheckUtils]: 8: Hoare triple {1462#true} havoc ~c~0; {1462#true} is VALID [2020-07-18 06:35:49,404 INFO L280 TraceCheckUtils]: 9: Hoare triple {1462#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {1462#true} is VALID [2020-07-18 06:35:49,405 INFO L280 TraceCheckUtils]: 10: Hoare triple {1462#true} ~urilen~0 := #t~nondet0; {1462#true} is VALID [2020-07-18 06:35:49,405 INFO L280 TraceCheckUtils]: 11: Hoare triple {1462#true} havoc #t~nondet0; {1462#true} is VALID [2020-07-18 06:35:49,405 INFO L280 TraceCheckUtils]: 12: Hoare triple {1462#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {1462#true} is VALID [2020-07-18 06:35:49,405 INFO L280 TraceCheckUtils]: 13: Hoare triple {1462#true} ~tokenlen~0 := #t~nondet1; {1462#true} is VALID [2020-07-18 06:35:49,406 INFO L280 TraceCheckUtils]: 14: Hoare triple {1462#true} havoc #t~nondet1; {1462#true} is VALID [2020-07-18 06:35:49,406 INFO L280 TraceCheckUtils]: 15: Hoare triple {1462#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {1462#true} is VALID [2020-07-18 06:35:49,406 INFO L280 TraceCheckUtils]: 16: Hoare triple {1462#true} ~scheme~0 := #t~nondet2; {1462#true} is VALID [2020-07-18 06:35:49,407 INFO L280 TraceCheckUtils]: 17: Hoare triple {1462#true} havoc #t~nondet2; {1462#true} is VALID [2020-07-18 06:35:49,407 INFO L280 TraceCheckUtils]: 18: Hoare triple {1462#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {1462#true} is VALID [2020-07-18 06:35:49,407 INFO L280 TraceCheckUtils]: 19: Hoare triple {1462#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {1462#true} is VALID [2020-07-18 06:35:49,407 INFO L280 TraceCheckUtils]: 20: Hoare triple {1462#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {1462#true} is VALID [2020-07-18 06:35:49,408 INFO L280 TraceCheckUtils]: 21: Hoare triple {1462#true} assume ~urilen~0 > 0; {1462#true} is VALID [2020-07-18 06:35:49,408 INFO L280 TraceCheckUtils]: 22: Hoare triple {1462#true} assume ~tokenlen~0 > 0; {1462#true} is VALID [2020-07-18 06:35:49,408 INFO L280 TraceCheckUtils]: 23: Hoare triple {1462#true} assume ~scheme~0 >= 0; {1462#true} is VALID [2020-07-18 06:35:49,408 INFO L280 TraceCheckUtils]: 24: Hoare triple {1462#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {1462#true} is VALID [2020-07-18 06:35:49,409 INFO L280 TraceCheckUtils]: 25: Hoare triple {1462#true} ~cp~0 := ~scheme~0; {1462#true} is VALID [2020-07-18 06:35:49,409 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 [2020-07-18 06:35:49,410 INFO L280 TraceCheckUtils]: 27: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,410 INFO L280 TraceCheckUtils]: 28: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,410 INFO L280 TraceCheckUtils]: 29: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,411 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {1462#true} {1462#true} #184#return; {1462#true} is VALID [2020-07-18 06:35:49,411 INFO L263 TraceCheckUtils]: 31: Hoare triple {1462#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {1462#true} is VALID [2020-07-18 06:35:49,411 INFO L280 TraceCheckUtils]: 32: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,411 INFO L280 TraceCheckUtils]: 33: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,412 INFO L280 TraceCheckUtils]: 34: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,412 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {1462#true} {1462#true} #186#return; {1462#true} is VALID [2020-07-18 06:35:49,412 INFO L280 TraceCheckUtils]: 36: Hoare triple {1462#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {1462#true} is VALID [2020-07-18 06:35:49,413 INFO L280 TraceCheckUtils]: 37: Hoare triple {1462#true} assume 0 != #t~nondet3; {1462#true} is VALID [2020-07-18 06:35:49,413 INFO L280 TraceCheckUtils]: 38: Hoare triple {1462#true} havoc #t~nondet3; {1462#true} is VALID [2020-07-18 06:35:49,413 INFO L263 TraceCheckUtils]: 39: Hoare triple {1462#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {1462#true} is VALID [2020-07-18 06:35:49,413 INFO L280 TraceCheckUtils]: 40: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,414 INFO L280 TraceCheckUtils]: 41: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,414 INFO L280 TraceCheckUtils]: 42: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,414 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1462#true} {1462#true} #188#return; {1462#true} is VALID [2020-07-18 06:35:49,415 INFO L263 TraceCheckUtils]: 44: Hoare triple {1462#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {1462#true} is VALID [2020-07-18 06:35:49,415 INFO L280 TraceCheckUtils]: 45: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,415 INFO L280 TraceCheckUtils]: 46: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,415 INFO L280 TraceCheckUtils]: 47: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,416 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1462#true} {1462#true} #190#return; {1462#true} is VALID [2020-07-18 06:35:49,417 INFO L280 TraceCheckUtils]: 49: Hoare triple {1462#true} assume !(~cp~0 != ~urilen~0 - 1); {1482#(= (+ main_~cp~0 1) main_~urilen~0)} is VALID [2020-07-18 06:35:49,418 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 [2020-07-18 06:35:49,418 INFO L280 TraceCheckUtils]: 51: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,418 INFO L280 TraceCheckUtils]: 52: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,419 INFO L280 TraceCheckUtils]: 53: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,420 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 [2020-07-18 06:35:49,420 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 [2020-07-18 06:35:49,421 INFO L280 TraceCheckUtils]: 56: Hoare triple {1462#true} ~cond := #in~cond; {1462#true} is VALID [2020-07-18 06:35:49,421 INFO L280 TraceCheckUtils]: 57: Hoare triple {1462#true} assume !(0 == ~cond); {1462#true} is VALID [2020-07-18 06:35:49,421 INFO L280 TraceCheckUtils]: 58: Hoare triple {1462#true} assume true; {1462#true} is VALID [2020-07-18 06:35:49,423 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 [2020-07-18 06:35:49,424 INFO L280 TraceCheckUtils]: 60: Hoare triple {1482#(= (+ main_~cp~0 1) main_~urilen~0)} assume !(~cp~0 == ~urilen~0 - 1); {1463#false} is VALID [2020-07-18 06:35:49,424 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 [2020-07-18 06:35:49,424 INFO L280 TraceCheckUtils]: 62: Hoare triple {1463#false} ~cond := #in~cond; {1463#false} is VALID [2020-07-18 06:35:49,425 INFO L280 TraceCheckUtils]: 63: Hoare triple {1463#false} assume 0 == ~cond; {1463#false} is VALID [2020-07-18 06:35:49,425 INFO L280 TraceCheckUtils]: 64: Hoare triple {1463#false} assume !false; {1463#false} is VALID [2020-07-18 06:35:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-18 06:35:49,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076991158] [2020-07-18 06:35:49,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:49,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 06:35:49,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836766085] [2020-07-18 06:35:49,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-18 06:35:49,432 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:49,433 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 06:35:49,494 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:49,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 06:35:49,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:49,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 06:35:49,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 06:35:49,496 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 3 states. [2020-07-18 06:35:49,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:49,904 INFO L93 Difference]: Finished difference Result 140 states and 173 transitions. [2020-07-18 06:35:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 06:35:49,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-18 06:35:49,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:35:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-18 06:35:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 06:35:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions. [2020-07-18 06:35:49,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 153 transitions. [2020-07-18 06:35:50,124 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 153 edges. 153 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:50,128 INFO L225 Difference]: With dead ends: 140 [2020-07-18 06:35:50,129 INFO L226 Difference]: Without dead ends: 97 [2020-07-18 06:35:50,130 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 [2020-07-18 06:35:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-18 06:35:50,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-18 06:35:50,283 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:50,283 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:50,283 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:50,284 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:50,290 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2020-07-18 06:35:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-07-18 06:35:50,292 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:50,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:50,292 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:50,292 INFO L87 Difference]: Start difference. First operand 97 states. Second operand 97 states. [2020-07-18 06:35:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:50,299 INFO L93 Difference]: Finished difference Result 97 states and 117 transitions. [2020-07-18 06:35:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-07-18 06:35:50,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:50,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:50,301 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:50,301 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-18 06:35:50,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 117 transitions. [2020-07-18 06:35:50,307 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 117 transitions. Word has length 65 [2020-07-18 06:35:50,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:50,308 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 117 transitions. [2020-07-18 06:35:50,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 06:35:50,308 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 97 states and 117 transitions. [2020-07-18 06:35:50,480 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-07-18 06:35:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-18 06:35:50,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:50,483 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] [2020-07-18 06:35:50,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 06:35:50,484 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:35:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:50,484 INFO L82 PathProgramCache]: Analyzing trace with hash -2082475577, now seen corresponding path program 1 times [2020-07-18 06:35:50,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:50,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993747894] [2020-07-18 06:35:50,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,703 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,703 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2161#true} {2161#true} #180#return; {2161#true} is VALID [2020-07-18 06:35:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,712 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,713 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,713 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,714 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #184#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,722 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,723 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,724 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #186#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,732 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,733 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,733 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,734 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #188#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,743 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,743 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,744 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,745 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #190#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,754 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,754 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,755 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,756 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} #196#return; {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:50,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,766 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,766 INFO L280 TraceCheckUtils]: 2: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,767 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2161#true} {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} #198#return; {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,768 INFO L263 TraceCheckUtils]: 0: Hoare triple {2161#true} call ULTIMATE.init(); {2161#true} is VALID [2020-07-18 06:35:50,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,768 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2161#true} {2161#true} #180#return; {2161#true} is VALID [2020-07-18 06:35:50,769 INFO L263 TraceCheckUtils]: 3: Hoare triple {2161#true} call #t~ret11 := main(); {2161#true} is VALID [2020-07-18 06:35:50,769 INFO L280 TraceCheckUtils]: 4: Hoare triple {2161#true} havoc ~scheme~0; {2161#true} is VALID [2020-07-18 06:35:50,769 INFO L280 TraceCheckUtils]: 5: Hoare triple {2161#true} havoc ~urilen~0; {2161#true} is VALID [2020-07-18 06:35:50,769 INFO L280 TraceCheckUtils]: 6: Hoare triple {2161#true} havoc ~tokenlen~0; {2161#true} is VALID [2020-07-18 06:35:50,770 INFO L280 TraceCheckUtils]: 7: Hoare triple {2161#true} havoc ~cp~0; {2161#true} is VALID [2020-07-18 06:35:50,770 INFO L280 TraceCheckUtils]: 8: Hoare triple {2161#true} havoc ~c~0; {2161#true} is VALID [2020-07-18 06:35:50,770 INFO L280 TraceCheckUtils]: 9: Hoare triple {2161#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2161#true} is VALID [2020-07-18 06:35:50,770 INFO L280 TraceCheckUtils]: 10: Hoare triple {2161#true} ~urilen~0 := #t~nondet0; {2161#true} is VALID [2020-07-18 06:35:50,771 INFO L280 TraceCheckUtils]: 11: Hoare triple {2161#true} havoc #t~nondet0; {2161#true} is VALID [2020-07-18 06:35:50,771 INFO L280 TraceCheckUtils]: 12: Hoare triple {2161#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2161#true} is VALID [2020-07-18 06:35:50,771 INFO L280 TraceCheckUtils]: 13: Hoare triple {2161#true} ~tokenlen~0 := #t~nondet1; {2161#true} is VALID [2020-07-18 06:35:50,772 INFO L280 TraceCheckUtils]: 14: Hoare triple {2161#true} havoc #t~nondet1; {2161#true} is VALID [2020-07-18 06:35:50,772 INFO L280 TraceCheckUtils]: 15: Hoare triple {2161#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2161#true} is VALID [2020-07-18 06:35:50,772 INFO L280 TraceCheckUtils]: 16: Hoare triple {2161#true} ~scheme~0 := #t~nondet2; {2161#true} is VALID [2020-07-18 06:35:50,773 INFO L280 TraceCheckUtils]: 17: Hoare triple {2161#true} havoc #t~nondet2; {2161#true} is VALID [2020-07-18 06:35:50,773 INFO L280 TraceCheckUtils]: 18: Hoare triple {2161#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {2161#true} is VALID [2020-07-18 06:35:50,773 INFO L280 TraceCheckUtils]: 19: Hoare triple {2161#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {2161#true} is VALID [2020-07-18 06:35:50,773 INFO L280 TraceCheckUtils]: 20: Hoare triple {2161#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {2161#true} is VALID [2020-07-18 06:35:50,774 INFO L280 TraceCheckUtils]: 21: Hoare triple {2161#true} assume ~urilen~0 > 0; {2161#true} is VALID [2020-07-18 06:35:50,774 INFO L280 TraceCheckUtils]: 22: Hoare triple {2161#true} assume ~tokenlen~0 > 0; {2161#true} is VALID [2020-07-18 06:35:50,774 INFO L280 TraceCheckUtils]: 23: Hoare triple {2161#true} assume ~scheme~0 >= 0; {2161#true} is VALID [2020-07-18 06:35:50,775 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 [2020-07-18 06:35:50,777 INFO L280 TraceCheckUtils]: 25: Hoare triple {2165#(<= (+ main_~scheme~0 1) main_~urilen~0)} ~cp~0 := ~scheme~0; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,777 INFO L263 TraceCheckUtils]: 26: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} call __VERIFIER_assert((if ~cp~0 - 1 < ~urilen~0 then 1 else 0)); {2161#true} is VALID [2020-07-18 06:35:50,777 INFO L280 TraceCheckUtils]: 27: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,778 INFO L280 TraceCheckUtils]: 28: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,778 INFO L280 TraceCheckUtils]: 29: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,779 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #184#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,780 INFO L263 TraceCheckUtils]: 31: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {2161#true} is VALID [2020-07-18 06:35:50,780 INFO L280 TraceCheckUtils]: 32: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,780 INFO L280 TraceCheckUtils]: 33: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,780 INFO L280 TraceCheckUtils]: 34: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,782 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #186#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,782 INFO L280 TraceCheckUtils]: 36: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,783 INFO L280 TraceCheckUtils]: 37: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} assume 0 != #t~nondet3; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,784 INFO L280 TraceCheckUtils]: 38: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} havoc #t~nondet3; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,784 INFO L263 TraceCheckUtils]: 39: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2161#true} is VALID [2020-07-18 06:35:50,784 INFO L280 TraceCheckUtils]: 40: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,785 INFO L280 TraceCheckUtils]: 41: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,785 INFO L280 TraceCheckUtils]: 42: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,786 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #188#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,787 INFO L263 TraceCheckUtils]: 44: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2161#true} is VALID [2020-07-18 06:35:50,787 INFO L280 TraceCheckUtils]: 45: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,787 INFO L280 TraceCheckUtils]: 46: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,788 INFO L280 TraceCheckUtils]: 47: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,789 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2161#true} {2166#(< main_~cp~0 main_~urilen~0)} #190#return; {2166#(< main_~cp~0 main_~urilen~0)} is VALID [2020-07-18 06:35:50,791 INFO L280 TraceCheckUtils]: 49: Hoare triple {2166#(< main_~cp~0 main_~urilen~0)} assume !!(~cp~0 != ~urilen~0 - 1); {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,796 INFO L280 TraceCheckUtils]: 50: Hoare triple {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,799 INFO L280 TraceCheckUtils]: 51: Hoare triple {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} assume 0 != #t~nondet4; {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,800 INFO L280 TraceCheckUtils]: 52: Hoare triple {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} havoc #t~nondet4; {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,801 INFO L263 TraceCheckUtils]: 53: Hoare triple {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2161#true} is VALID [2020-07-18 06:35:50,801 INFO L280 TraceCheckUtils]: 54: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,801 INFO L280 TraceCheckUtils]: 55: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,802 INFO L280 TraceCheckUtils]: 56: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,803 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {2161#true} {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} #196#return; {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,803 INFO L263 TraceCheckUtils]: 58: Hoare triple {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2161#true} is VALID [2020-07-18 06:35:50,804 INFO L280 TraceCheckUtils]: 59: Hoare triple {2161#true} ~cond := #in~cond; {2161#true} is VALID [2020-07-18 06:35:50,804 INFO L280 TraceCheckUtils]: 60: Hoare triple {2161#true} assume !(0 == ~cond); {2161#true} is VALID [2020-07-18 06:35:50,804 INFO L280 TraceCheckUtils]: 61: Hoare triple {2161#true} assume true; {2161#true} is VALID [2020-07-18 06:35:50,805 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2161#true} {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} #198#return; {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,807 INFO L280 TraceCheckUtils]: 63: Hoare triple {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} assume !(~cp~0 == ~urilen~0 - 1); {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))} is VALID [2020-07-18 06:35:50,809 INFO L263 TraceCheckUtils]: 64: Hoare triple {2183#(and (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 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 [2020-07-18 06:35:50,810 INFO L280 TraceCheckUtils]: 65: Hoare triple {2192#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {2193#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:35:50,811 INFO L280 TraceCheckUtils]: 66: Hoare triple {2193#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {2162#false} is VALID [2020-07-18 06:35:50,811 INFO L280 TraceCheckUtils]: 67: Hoare triple {2162#false} assume !false; {2162#false} is VALID [2020-07-18 06:35:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-07-18 06:35:50,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993747894] [2020-07-18 06:35:50,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:50,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:35:50,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635265673] [2020-07-18 06:35:50,822 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2020-07-18 06:35:50,823 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:50,823 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:35:50,898 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:50,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:35:50,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:50,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:35:50,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:35:50,900 INFO L87 Difference]: Start difference. First operand 97 states and 117 transitions. Second operand 7 states. [2020-07-18 06:35:52,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:52,038 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2020-07-18 06:35:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 06:35:52,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2020-07-18 06:35:52,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2020-07-18 06:35:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 106 transitions. [2020-07-18 06:35:52,047 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 106 transitions. [2020-07-18 06:35:52,219 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:52,222 INFO L225 Difference]: With dead ends: 103 [2020-07-18 06:35:52,222 INFO L226 Difference]: Without dead ends: 101 [2020-07-18 06:35:52,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-18 06:35:52,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-18 06:35:52,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-18 06:35:52,439 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:52,439 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 101 states. [2020-07-18 06:35:52,439 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-18 06:35:52,440 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-18 06:35:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:52,445 INFO L93 Difference]: Finished difference Result 101 states and 120 transitions. [2020-07-18 06:35:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2020-07-18 06:35:52,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:52,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:52,447 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-18 06:35:52,447 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-18 06:35:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:52,454 INFO L93 Difference]: Finished difference Result 101 states and 120 transitions. [2020-07-18 06:35:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2020-07-18 06:35:52,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:52,455 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:52,455 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:52,455 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-18 06:35:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions. [2020-07-18 06:35:52,461 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 68 [2020-07-18 06:35:52,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:52,461 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions. [2020-07-18 06:35:52,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:35:52,462 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 101 states and 120 transitions. [2020-07-18 06:35:52,654 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2020-07-18 06:35:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-18 06:35:52,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:52,659 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] [2020-07-18 06:35:52,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 06:35:52,660 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:35:52,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:52,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1342891699, now seen corresponding path program 1 times [2020-07-18 06:35:52,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:52,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390313917] [2020-07-18 06:35:52,662 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,944 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,945 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2812#true} {2812#true} #180#return; {2812#true} is VALID [2020-07-18 06:35:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,951 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,952 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,952 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,953 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #184#return; {2812#true} is VALID [2020-07-18 06:35:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,958 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,958 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,959 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,959 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #186#return; {2812#true} is VALID [2020-07-18 06:35:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,966 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,967 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #188#return; {2812#true} is VALID [2020-07-18 06:35:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,973 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,973 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #190#return; {2812#true} is VALID [2020-07-18 06:35:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,978 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,979 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,979 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #196#return; {2812#true} is VALID [2020-07-18 06:35:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,984 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,984 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,985 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,985 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #198#return; {2812#true} is VALID [2020-07-18 06:35:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,991 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,991 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,992 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,992 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #200#return; {2812#true} is VALID [2020-07-18 06:35:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:52,997 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:52,998 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:52,998 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:52,998 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2812#true} #202#return; {2812#true} is VALID [2020-07-18 06:35:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:53,006 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,006 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,007 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,008 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #204#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:53,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,017 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,017 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,019 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #206#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:53,026 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,027 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,027 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,029 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 [2020-07-18 06:35:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:53,036 INFO L280 TraceCheckUtils]: 0: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,037 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,037 INFO L280 TraceCheckUtils]: 2: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,038 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 [2020-07-18 06:35:53,039 INFO L263 TraceCheckUtils]: 0: Hoare triple {2812#true} call ULTIMATE.init(); {2812#true} is VALID [2020-07-18 06:35:53,039 INFO L280 TraceCheckUtils]: 1: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,039 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2812#true} {2812#true} #180#return; {2812#true} is VALID [2020-07-18 06:35:53,040 INFO L263 TraceCheckUtils]: 3: Hoare triple {2812#true} call #t~ret11 := main(); {2812#true} is VALID [2020-07-18 06:35:53,040 INFO L280 TraceCheckUtils]: 4: Hoare triple {2812#true} havoc ~scheme~0; {2812#true} is VALID [2020-07-18 06:35:53,041 INFO L280 TraceCheckUtils]: 5: Hoare triple {2812#true} havoc ~urilen~0; {2812#true} is VALID [2020-07-18 06:35:53,041 INFO L280 TraceCheckUtils]: 6: Hoare triple {2812#true} havoc ~tokenlen~0; {2812#true} is VALID [2020-07-18 06:35:53,041 INFO L280 TraceCheckUtils]: 7: Hoare triple {2812#true} havoc ~cp~0; {2812#true} is VALID [2020-07-18 06:35:53,042 INFO L280 TraceCheckUtils]: 8: Hoare triple {2812#true} havoc ~c~0; {2812#true} is VALID [2020-07-18 06:35:53,042 INFO L280 TraceCheckUtils]: 9: Hoare triple {2812#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {2812#true} is VALID [2020-07-18 06:35:53,043 INFO L280 TraceCheckUtils]: 10: Hoare triple {2812#true} ~urilen~0 := #t~nondet0; {2812#true} is VALID [2020-07-18 06:35:53,043 INFO L280 TraceCheckUtils]: 11: Hoare triple {2812#true} havoc #t~nondet0; {2812#true} is VALID [2020-07-18 06:35:53,043 INFO L280 TraceCheckUtils]: 12: Hoare triple {2812#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {2812#true} is VALID [2020-07-18 06:35:53,043 INFO L280 TraceCheckUtils]: 13: Hoare triple {2812#true} ~tokenlen~0 := #t~nondet1; {2812#true} is VALID [2020-07-18 06:35:53,044 INFO L280 TraceCheckUtils]: 14: Hoare triple {2812#true} havoc #t~nondet1; {2812#true} is VALID [2020-07-18 06:35:53,044 INFO L280 TraceCheckUtils]: 15: Hoare triple {2812#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {2812#true} is VALID [2020-07-18 06:35:53,044 INFO L280 TraceCheckUtils]: 16: Hoare triple {2812#true} ~scheme~0 := #t~nondet2; {2812#true} is VALID [2020-07-18 06:35:53,045 INFO L280 TraceCheckUtils]: 17: Hoare triple {2812#true} havoc #t~nondet2; {2812#true} is VALID [2020-07-18 06:35:53,045 INFO L280 TraceCheckUtils]: 18: Hoare triple {2812#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {2812#true} is VALID [2020-07-18 06:35:53,045 INFO L280 TraceCheckUtils]: 19: Hoare triple {2812#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {2812#true} is VALID [2020-07-18 06:35:53,045 INFO L280 TraceCheckUtils]: 20: Hoare triple {2812#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {2812#true} is VALID [2020-07-18 06:35:53,046 INFO L280 TraceCheckUtils]: 21: Hoare triple {2812#true} assume ~urilen~0 > 0; {2812#true} is VALID [2020-07-18 06:35:53,046 INFO L280 TraceCheckUtils]: 22: Hoare triple {2812#true} assume ~tokenlen~0 > 0; {2812#true} is VALID [2020-07-18 06:35:53,046 INFO L280 TraceCheckUtils]: 23: Hoare triple {2812#true} assume ~scheme~0 >= 0; {2812#true} is VALID [2020-07-18 06:35:53,047 INFO L280 TraceCheckUtils]: 24: Hoare triple {2812#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {2812#true} is VALID [2020-07-18 06:35:53,047 INFO L280 TraceCheckUtils]: 25: Hoare triple {2812#true} ~cp~0 := ~scheme~0; {2812#true} is VALID [2020-07-18 06:35:53,047 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 [2020-07-18 06:35:53,047 INFO L280 TraceCheckUtils]: 27: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,047 INFO L280 TraceCheckUtils]: 28: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,048 INFO L280 TraceCheckUtils]: 29: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,048 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {2812#true} {2812#true} #184#return; {2812#true} is VALID [2020-07-18 06:35:53,048 INFO L263 TraceCheckUtils]: 31: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {2812#true} is VALID [2020-07-18 06:35:53,048 INFO L280 TraceCheckUtils]: 32: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,049 INFO L280 TraceCheckUtils]: 33: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,049 INFO L280 TraceCheckUtils]: 34: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,049 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {2812#true} {2812#true} #186#return; {2812#true} is VALID [2020-07-18 06:35:53,049 INFO L280 TraceCheckUtils]: 36: Hoare triple {2812#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {2812#true} is VALID [2020-07-18 06:35:53,050 INFO L280 TraceCheckUtils]: 37: Hoare triple {2812#true} assume 0 != #t~nondet3; {2812#true} is VALID [2020-07-18 06:35:53,050 INFO L280 TraceCheckUtils]: 38: Hoare triple {2812#true} havoc #t~nondet3; {2812#true} is VALID [2020-07-18 06:35:53,050 INFO L263 TraceCheckUtils]: 39: Hoare triple {2812#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-18 06:35:53,050 INFO L280 TraceCheckUtils]: 40: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,051 INFO L280 TraceCheckUtils]: 41: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,051 INFO L280 TraceCheckUtils]: 42: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,051 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2812#true} {2812#true} #188#return; {2812#true} is VALID [2020-07-18 06:35:53,051 INFO L263 TraceCheckUtils]: 44: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-18 06:35:53,052 INFO L280 TraceCheckUtils]: 45: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,052 INFO L280 TraceCheckUtils]: 46: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,052 INFO L280 TraceCheckUtils]: 47: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,052 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2812#true} {2812#true} #190#return; {2812#true} is VALID [2020-07-18 06:35:53,052 INFO L280 TraceCheckUtils]: 49: Hoare triple {2812#true} assume !!(~cp~0 != ~urilen~0 - 1); {2812#true} is VALID [2020-07-18 06:35:53,053 INFO L280 TraceCheckUtils]: 50: Hoare triple {2812#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {2812#true} is VALID [2020-07-18 06:35:53,053 INFO L280 TraceCheckUtils]: 51: Hoare triple {2812#true} assume 0 != #t~nondet4; {2812#true} is VALID [2020-07-18 06:35:53,053 INFO L280 TraceCheckUtils]: 52: Hoare triple {2812#true} havoc #t~nondet4; {2812#true} is VALID [2020-07-18 06:35:53,054 INFO L263 TraceCheckUtils]: 53: Hoare triple {2812#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {2812#true} is VALID [2020-07-18 06:35:53,054 INFO L280 TraceCheckUtils]: 54: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,054 INFO L280 TraceCheckUtils]: 55: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,055 INFO L280 TraceCheckUtils]: 56: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,055 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {2812#true} {2812#true} #196#return; {2812#true} is VALID [2020-07-18 06:35:53,055 INFO L263 TraceCheckUtils]: 58: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-18 06:35:53,056 INFO L280 TraceCheckUtils]: 59: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,056 INFO L280 TraceCheckUtils]: 60: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,056 INFO L280 TraceCheckUtils]: 61: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,057 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {2812#true} {2812#true} #198#return; {2812#true} is VALID [2020-07-18 06:35:53,057 INFO L280 TraceCheckUtils]: 63: Hoare triple {2812#true} assume !(~cp~0 == ~urilen~0 - 1); {2812#true} is VALID [2020-07-18 06:35:53,057 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 [2020-07-18 06:35:53,058 INFO L280 TraceCheckUtils]: 65: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,058 INFO L280 TraceCheckUtils]: 66: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,059 INFO L280 TraceCheckUtils]: 67: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,059 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {2812#true} {2812#true} #200#return; {2812#true} is VALID [2020-07-18 06:35:53,059 INFO L263 TraceCheckUtils]: 69: Hoare triple {2812#true} call __VERIFIER_assert((if 0 <= 1 + ~cp~0 then 1 else 0)); {2812#true} is VALID [2020-07-18 06:35:53,060 INFO L280 TraceCheckUtils]: 70: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,060 INFO L280 TraceCheckUtils]: 71: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,060 INFO L280 TraceCheckUtils]: 72: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,061 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {2812#true} {2812#true} #202#return; {2812#true} is VALID [2020-07-18 06:35:53,061 INFO L280 TraceCheckUtils]: 74: Hoare triple {2812#true} assume !(1 + ~cp~0 == ~urilen~0 - 1); {2812#true} is VALID [2020-07-18 06:35:53,061 INFO L280 TraceCheckUtils]: 75: Hoare triple {2812#true} #t~pre6 := 1 + ~cp~0; {2812#true} is VALID [2020-07-18 06:35:53,062 INFO L280 TraceCheckUtils]: 76: Hoare triple {2812#true} ~cp~0 := 1 + ~cp~0; {2812#true} is VALID [2020-07-18 06:35:53,062 INFO L280 TraceCheckUtils]: 77: Hoare triple {2812#true} havoc #t~pre6; {2812#true} is VALID [2020-07-18 06:35:53,062 INFO L280 TraceCheckUtils]: 78: Hoare triple {2812#true} ~scheme~0 := ~cp~0; {2812#true} is VALID [2020-07-18 06:35:53,062 INFO L280 TraceCheckUtils]: 79: Hoare triple {2812#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {2812#true} is VALID [2020-07-18 06:35:53,063 INFO L280 TraceCheckUtils]: 80: Hoare triple {2812#true} assume 0 != #t~nondet7; {2812#true} is VALID [2020-07-18 06:35:53,063 INFO L280 TraceCheckUtils]: 81: Hoare triple {2812#true} havoc #t~nondet7; {2812#true} is VALID [2020-07-18 06:35:53,064 INFO L280 TraceCheckUtils]: 82: Hoare triple {2812#true} ~c~0 := 0; {2848#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:53,064 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 [2020-07-18 06:35:53,065 INFO L280 TraceCheckUtils]: 84: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,065 INFO L280 TraceCheckUtils]: 85: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,065 INFO L280 TraceCheckUtils]: 86: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,066 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #204#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:53,066 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 [2020-07-18 06:35:53,066 INFO L280 TraceCheckUtils]: 89: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,067 INFO L280 TraceCheckUtils]: 90: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,067 INFO L280 TraceCheckUtils]: 91: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,068 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {2812#true} {2848#(= 0 main_~c~0)} #206#return; {2848#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:53,069 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 [2020-07-18 06:35:53,070 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 [2020-07-18 06:35:53,070 INFO L280 TraceCheckUtils]: 95: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,070 INFO L280 TraceCheckUtils]: 96: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,070 INFO L280 TraceCheckUtils]: 97: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,072 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 [2020-07-18 06:35:53,072 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 [2020-07-18 06:35:53,072 INFO L280 TraceCheckUtils]: 100: Hoare triple {2812#true} ~cond := #in~cond; {2812#true} is VALID [2020-07-18 06:35:53,073 INFO L280 TraceCheckUtils]: 101: Hoare triple {2812#true} assume !(0 == ~cond); {2812#true} is VALID [2020-07-18 06:35:53,073 INFO L280 TraceCheckUtils]: 102: Hoare triple {2812#true} assume true; {2812#true} is VALID [2020-07-18 06:35:53,074 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 [2020-07-18 06:35:53,076 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 [2020-07-18 06:35:53,078 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 [2020-07-18 06:35:53,079 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 [2020-07-18 06:35:53,081 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 [2020-07-18 06:35:53,082 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 [2020-07-18 06:35:53,083 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 [2020-07-18 06:35:53,084 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 [2020-07-18 06:35:53,085 INFO L280 TraceCheckUtils]: 111: Hoare triple {2867#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {2868#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:35:53,086 INFO L280 TraceCheckUtils]: 112: Hoare triple {2868#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {2813#false} is VALID [2020-07-18 06:35:53,086 INFO L280 TraceCheckUtils]: 113: Hoare triple {2813#false} assume !false; {2813#false} is VALID [2020-07-18 06:35:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-07-18 06:35:53,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390313917] [2020-07-18 06:35:53,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:53,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 06:35:53,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712114429] [2020-07-18 06:35:53,102 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-07-18 06:35:53,103 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:53,103 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 06:35:53,220 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:53,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 06:35:53,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:53,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 06:35:53,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:35:53,222 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand 7 states. [2020-07-18 06:35:54,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:54,096 INFO L93 Difference]: Finished difference Result 129 states and 154 transitions. [2020-07-18 06:35:54,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-18 06:35:54,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-07-18 06:35:54,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 135 transitions. [2020-07-18 06:35:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 06:35:54,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 135 transitions. [2020-07-18 06:35:54,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 135 transitions. [2020-07-18 06:35:54,288 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 135 edges. 135 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:54,292 INFO L225 Difference]: With dead ends: 129 [2020-07-18 06:35:54,292 INFO L226 Difference]: Without dead ends: 127 [2020-07-18 06:35:54,293 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 [2020-07-18 06:35:54,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-18 06:35:54,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 119. [2020-07-18 06:35:54,564 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:54,564 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 119 states. [2020-07-18 06:35:54,564 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 119 states. [2020-07-18 06:35:54,564 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 119 states. [2020-07-18 06:35:54,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:54,569 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2020-07-18 06:35:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2020-07-18 06:35:54,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:54,571 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:54,571 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 127 states. [2020-07-18 06:35:54,571 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 127 states. [2020-07-18 06:35:54,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:54,577 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2020-07-18 06:35:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2020-07-18 06:35:54,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:54,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:54,579 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:54,579 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-18 06:35:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2020-07-18 06:35:54,585 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 114 [2020-07-18 06:35:54,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:54,586 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2020-07-18 06:35:54,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 06:35:54,586 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 119 states and 141 transitions. [2020-07-18 06:35:54,822 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2020-07-18 06:35:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-18 06:35:54,825 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:54,825 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] [2020-07-18 06:35:54,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 06:35:54,826 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:35:54,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:54,826 INFO L82 PathProgramCache]: Analyzing trace with hash -279016842, now seen corresponding path program 1 times [2020-07-18 06:35:54,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:54,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842171095] [2020-07-18 06:35:54,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,947 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,947 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3623#true} {3623#true} #180#return; {3623#true} is VALID [2020-07-18 06:35:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,957 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,957 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,958 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,958 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #184#return; {3623#true} is VALID [2020-07-18 06:35:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,966 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,967 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,967 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,967 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #186#return; {3623#true} is VALID [2020-07-18 06:35:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,973 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #188#return; {3623#true} is VALID [2020-07-18 06:35:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,977 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,978 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,978 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #190#return; {3623#true} is VALID [2020-07-18 06:35:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,982 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,983 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,983 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,983 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #196#return; {3623#true} is VALID [2020-07-18 06:35:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,988 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,988 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,989 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,989 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #198#return; {3623#true} is VALID [2020-07-18 06:35:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,993 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,994 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,994 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,994 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #200#return; {3623#true} is VALID [2020-07-18 06:35:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:54,998 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:54,999 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:54,999 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:54,999 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3623#true} #202#return; {3623#true} is VALID [2020-07-18 06:35:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:55,007 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,007 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,007 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,008 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #204#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:55,015 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,015 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,015 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,016 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #206#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:55,022 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,023 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,023 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,024 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #208#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:55,029 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,031 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #210#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:55,037 INFO L280 TraceCheckUtils]: 0: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,038 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,038 INFO L280 TraceCheckUtils]: 2: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,039 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3623#true} {3676#(<= 0 main_~c~0)} #212#return; {3676#(<= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,040 INFO L263 TraceCheckUtils]: 0: Hoare triple {3623#true} call ULTIMATE.init(); {3623#true} is VALID [2020-07-18 06:35:55,040 INFO L280 TraceCheckUtils]: 1: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,040 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3623#true} {3623#true} #180#return; {3623#true} is VALID [2020-07-18 06:35:55,040 INFO L263 TraceCheckUtils]: 3: Hoare triple {3623#true} call #t~ret11 := main(); {3623#true} is VALID [2020-07-18 06:35:55,041 INFO L280 TraceCheckUtils]: 4: Hoare triple {3623#true} havoc ~scheme~0; {3623#true} is VALID [2020-07-18 06:35:55,041 INFO L280 TraceCheckUtils]: 5: Hoare triple {3623#true} havoc ~urilen~0; {3623#true} is VALID [2020-07-18 06:35:55,041 INFO L280 TraceCheckUtils]: 6: Hoare triple {3623#true} havoc ~tokenlen~0; {3623#true} is VALID [2020-07-18 06:35:55,041 INFO L280 TraceCheckUtils]: 7: Hoare triple {3623#true} havoc ~cp~0; {3623#true} is VALID [2020-07-18 06:35:55,041 INFO L280 TraceCheckUtils]: 8: Hoare triple {3623#true} havoc ~c~0; {3623#true} is VALID [2020-07-18 06:35:55,042 INFO L280 TraceCheckUtils]: 9: Hoare triple {3623#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {3623#true} is VALID [2020-07-18 06:35:55,042 INFO L280 TraceCheckUtils]: 10: Hoare triple {3623#true} ~urilen~0 := #t~nondet0; {3623#true} is VALID [2020-07-18 06:35:55,042 INFO L280 TraceCheckUtils]: 11: Hoare triple {3623#true} havoc #t~nondet0; {3623#true} is VALID [2020-07-18 06:35:55,042 INFO L280 TraceCheckUtils]: 12: Hoare triple {3623#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {3623#true} is VALID [2020-07-18 06:35:55,042 INFO L280 TraceCheckUtils]: 13: Hoare triple {3623#true} ~tokenlen~0 := #t~nondet1; {3623#true} is VALID [2020-07-18 06:35:55,043 INFO L280 TraceCheckUtils]: 14: Hoare triple {3623#true} havoc #t~nondet1; {3623#true} is VALID [2020-07-18 06:35:55,043 INFO L280 TraceCheckUtils]: 15: Hoare triple {3623#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {3623#true} is VALID [2020-07-18 06:35:55,043 INFO L280 TraceCheckUtils]: 16: Hoare triple {3623#true} ~scheme~0 := #t~nondet2; {3623#true} is VALID [2020-07-18 06:35:55,043 INFO L280 TraceCheckUtils]: 17: Hoare triple {3623#true} havoc #t~nondet2; {3623#true} is VALID [2020-07-18 06:35:55,043 INFO L280 TraceCheckUtils]: 18: Hoare triple {3623#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {3623#true} is VALID [2020-07-18 06:35:55,044 INFO L280 TraceCheckUtils]: 19: Hoare triple {3623#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {3623#true} is VALID [2020-07-18 06:35:55,044 INFO L280 TraceCheckUtils]: 20: Hoare triple {3623#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {3623#true} is VALID [2020-07-18 06:35:55,044 INFO L280 TraceCheckUtils]: 21: Hoare triple {3623#true} assume ~urilen~0 > 0; {3623#true} is VALID [2020-07-18 06:35:55,044 INFO L280 TraceCheckUtils]: 22: Hoare triple {3623#true} assume ~tokenlen~0 > 0; {3623#true} is VALID [2020-07-18 06:35:55,045 INFO L280 TraceCheckUtils]: 23: Hoare triple {3623#true} assume ~scheme~0 >= 0; {3623#true} is VALID [2020-07-18 06:35:55,045 INFO L280 TraceCheckUtils]: 24: Hoare triple {3623#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {3623#true} is VALID [2020-07-18 06:35:55,045 INFO L280 TraceCheckUtils]: 25: Hoare triple {3623#true} ~cp~0 := ~scheme~0; {3623#true} is VALID [2020-07-18 06:35:55,045 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 [2020-07-18 06:35:55,045 INFO L280 TraceCheckUtils]: 27: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,046 INFO L280 TraceCheckUtils]: 28: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,046 INFO L280 TraceCheckUtils]: 29: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,046 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {3623#true} {3623#true} #184#return; {3623#true} is VALID [2020-07-18 06:35:55,046 INFO L263 TraceCheckUtils]: 31: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {3623#true} is VALID [2020-07-18 06:35:55,046 INFO L280 TraceCheckUtils]: 32: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,047 INFO L280 TraceCheckUtils]: 33: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,047 INFO L280 TraceCheckUtils]: 34: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,048 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {3623#true} {3623#true} #186#return; {3623#true} is VALID [2020-07-18 06:35:55,048 INFO L280 TraceCheckUtils]: 36: Hoare triple {3623#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {3623#true} is VALID [2020-07-18 06:35:55,048 INFO L280 TraceCheckUtils]: 37: Hoare triple {3623#true} assume 0 != #t~nondet3; {3623#true} is VALID [2020-07-18 06:35:55,048 INFO L280 TraceCheckUtils]: 38: Hoare triple {3623#true} havoc #t~nondet3; {3623#true} is VALID [2020-07-18 06:35:55,048 INFO L263 TraceCheckUtils]: 39: Hoare triple {3623#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-18 06:35:55,049 INFO L280 TraceCheckUtils]: 40: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,049 INFO L280 TraceCheckUtils]: 41: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,049 INFO L280 TraceCheckUtils]: 42: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,049 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {3623#true} {3623#true} #188#return; {3623#true} is VALID [2020-07-18 06:35:55,050 INFO L263 TraceCheckUtils]: 44: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-18 06:35:55,050 INFO L280 TraceCheckUtils]: 45: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,050 INFO L280 TraceCheckUtils]: 46: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,050 INFO L280 TraceCheckUtils]: 47: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,051 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {3623#true} {3623#true} #190#return; {3623#true} is VALID [2020-07-18 06:35:55,051 INFO L280 TraceCheckUtils]: 49: Hoare triple {3623#true} assume !!(~cp~0 != ~urilen~0 - 1); {3623#true} is VALID [2020-07-18 06:35:55,051 INFO L280 TraceCheckUtils]: 50: Hoare triple {3623#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {3623#true} is VALID [2020-07-18 06:35:55,051 INFO L280 TraceCheckUtils]: 51: Hoare triple {3623#true} assume 0 != #t~nondet4; {3623#true} is VALID [2020-07-18 06:35:55,051 INFO L280 TraceCheckUtils]: 52: Hoare triple {3623#true} havoc #t~nondet4; {3623#true} is VALID [2020-07-18 06:35:55,052 INFO L263 TraceCheckUtils]: 53: Hoare triple {3623#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {3623#true} is VALID [2020-07-18 06:35:55,052 INFO L280 TraceCheckUtils]: 54: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,052 INFO L280 TraceCheckUtils]: 55: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,052 INFO L280 TraceCheckUtils]: 56: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,053 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {3623#true} {3623#true} #196#return; {3623#true} is VALID [2020-07-18 06:35:55,053 INFO L263 TraceCheckUtils]: 58: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-18 06:35:55,053 INFO L280 TraceCheckUtils]: 59: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,053 INFO L280 TraceCheckUtils]: 60: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,054 INFO L280 TraceCheckUtils]: 61: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,054 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {3623#true} {3623#true} #198#return; {3623#true} is VALID [2020-07-18 06:35:55,054 INFO L280 TraceCheckUtils]: 63: Hoare triple {3623#true} assume !(~cp~0 == ~urilen~0 - 1); {3623#true} is VALID [2020-07-18 06:35:55,054 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 [2020-07-18 06:35:55,054 INFO L280 TraceCheckUtils]: 65: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,054 INFO L280 TraceCheckUtils]: 66: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,055 INFO L280 TraceCheckUtils]: 67: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,055 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {3623#true} {3623#true} #200#return; {3623#true} is VALID [2020-07-18 06:35:55,055 INFO L263 TraceCheckUtils]: 69: Hoare triple {3623#true} call __VERIFIER_assert((if 0 <= 1 + ~cp~0 then 1 else 0)); {3623#true} is VALID [2020-07-18 06:35:55,055 INFO L280 TraceCheckUtils]: 70: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,055 INFO L280 TraceCheckUtils]: 71: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,056 INFO L280 TraceCheckUtils]: 72: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,056 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {3623#true} {3623#true} #202#return; {3623#true} is VALID [2020-07-18 06:35:55,056 INFO L280 TraceCheckUtils]: 74: Hoare triple {3623#true} assume !(1 + ~cp~0 == ~urilen~0 - 1); {3623#true} is VALID [2020-07-18 06:35:55,056 INFO L280 TraceCheckUtils]: 75: Hoare triple {3623#true} #t~pre6 := 1 + ~cp~0; {3623#true} is VALID [2020-07-18 06:35:55,056 INFO L280 TraceCheckUtils]: 76: Hoare triple {3623#true} ~cp~0 := 1 + ~cp~0; {3623#true} is VALID [2020-07-18 06:35:55,057 INFO L280 TraceCheckUtils]: 77: Hoare triple {3623#true} havoc #t~pre6; {3623#true} is VALID [2020-07-18 06:35:55,057 INFO L280 TraceCheckUtils]: 78: Hoare triple {3623#true} ~scheme~0 := ~cp~0; {3623#true} is VALID [2020-07-18 06:35:55,057 INFO L280 TraceCheckUtils]: 79: Hoare triple {3623#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {3623#true} is VALID [2020-07-18 06:35:55,057 INFO L280 TraceCheckUtils]: 80: Hoare triple {3623#true} assume 0 != #t~nondet7; {3623#true} is VALID [2020-07-18 06:35:55,058 INFO L280 TraceCheckUtils]: 81: Hoare triple {3623#true} havoc #t~nondet7; {3623#true} is VALID [2020-07-18 06:35:55,058 INFO L280 TraceCheckUtils]: 82: Hoare triple {3623#true} ~c~0 := 0; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,059 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 [2020-07-18 06:35:55,059 INFO L280 TraceCheckUtils]: 84: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,059 INFO L280 TraceCheckUtils]: 85: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,060 INFO L280 TraceCheckUtils]: 86: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,061 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #204#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,061 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 [2020-07-18 06:35:55,061 INFO L280 TraceCheckUtils]: 89: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,062 INFO L280 TraceCheckUtils]: 90: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,062 INFO L280 TraceCheckUtils]: 91: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,063 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #206#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,064 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 [2020-07-18 06:35:55,064 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 [2020-07-18 06:35:55,065 INFO L280 TraceCheckUtils]: 95: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,065 INFO L280 TraceCheckUtils]: 96: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,065 INFO L280 TraceCheckUtils]: 97: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,066 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #208#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,067 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 [2020-07-18 06:35:55,067 INFO L280 TraceCheckUtils]: 100: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,067 INFO L280 TraceCheckUtils]: 101: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,067 INFO L280 TraceCheckUtils]: 102: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,068 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {3623#true} {3659#(= 0 main_~c~0)} #210#return; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,069 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 [2020-07-18 06:35:55,070 INFO L280 TraceCheckUtils]: 105: Hoare triple {3659#(= 0 main_~c~0)} assume 0 != #t~nondet8; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,070 INFO L280 TraceCheckUtils]: 106: Hoare triple {3659#(= 0 main_~c~0)} havoc #t~nondet8; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,071 INFO L280 TraceCheckUtils]: 107: Hoare triple {3659#(= 0 main_~c~0)} #t~pre9 := 1 + ~c~0; {3659#(= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,072 INFO L280 TraceCheckUtils]: 108: Hoare triple {3659#(= 0 main_~c~0)} ~c~0 := 1 + ~c~0; {3676#(<= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,072 INFO L280 TraceCheckUtils]: 109: Hoare triple {3676#(<= 0 main_~c~0)} havoc #t~pre9; {3676#(<= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,073 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 [2020-07-18 06:35:55,073 INFO L280 TraceCheckUtils]: 111: Hoare triple {3623#true} ~cond := #in~cond; {3623#true} is VALID [2020-07-18 06:35:55,073 INFO L280 TraceCheckUtils]: 112: Hoare triple {3623#true} assume !(0 == ~cond); {3623#true} is VALID [2020-07-18 06:35:55,073 INFO L280 TraceCheckUtils]: 113: Hoare triple {3623#true} assume true; {3623#true} is VALID [2020-07-18 06:35:55,074 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {3623#true} {3676#(<= 0 main_~c~0)} #212#return; {3676#(<= 0 main_~c~0)} is VALID [2020-07-18 06:35:55,076 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 [2020-07-18 06:35:55,077 INFO L280 TraceCheckUtils]: 116: Hoare triple {3681#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {3682#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:35:55,077 INFO L280 TraceCheckUtils]: 117: Hoare triple {3682#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {3624#false} is VALID [2020-07-18 06:35:55,078 INFO L280 TraceCheckUtils]: 118: Hoare triple {3624#false} assume !false; {3624#false} is VALID [2020-07-18 06:35:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-07-18 06:35:55,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842171095] [2020-07-18 06:35:55,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:55,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:55,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494300294] [2020-07-18 06:35:55,089 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-07-18 06:35:55,090 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:55,090 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:55,193 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:55,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:55,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:55,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:55,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:55,195 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 6 states. [2020-07-18 06:35:55,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:55,955 INFO L93 Difference]: Finished difference Result 125 states and 146 transitions. [2020-07-18 06:35:55,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 06:35:55,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-07-18 06:35:55,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2020-07-18 06:35:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:55,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2020-07-18 06:35:55,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 121 transitions. [2020-07-18 06:35:56,122 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 121 edges. 121 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:56,125 INFO L225 Difference]: With dead ends: 125 [2020-07-18 06:35:56,125 INFO L226 Difference]: Without dead ends: 123 [2020-07-18 06:35:56,126 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 [2020-07-18 06:35:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-18 06:35:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-18 06:35:56,386 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:56,386 INFO L82 GeneralOperation]: Start isEquivalent. First operand 123 states. Second operand 123 states. [2020-07-18 06:35:56,386 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 123 states. [2020-07-18 06:35:56,387 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 123 states. [2020-07-18 06:35:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:56,393 INFO L93 Difference]: Finished difference Result 123 states and 144 transitions. [2020-07-18 06:35:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-18 06:35:56,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:56,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:56,394 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 123 states. [2020-07-18 06:35:56,394 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 123 states. [2020-07-18 06:35:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:56,401 INFO L93 Difference]: Finished difference Result 123 states and 144 transitions. [2020-07-18 06:35:56,401 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-18 06:35:56,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:56,402 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:56,402 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:56,402 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-18 06:35:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-18 06:35:56,408 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 119 [2020-07-18 06:35:56,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:56,409 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-18 06:35:56,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:35:56,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 123 states and 144 transitions. [2020-07-18 06:35:56,650 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-18 06:35:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-18 06:35:56,654 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 06:35:56,654 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] [2020-07-18 06:35:56,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-18 06:35:56,654 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 06:35:56,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 06:35:56,655 INFO L82 PathProgramCache]: Analyzing trace with hash 486899888, now seen corresponding path program 1 times [2020-07-18 06:35:56,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 06:35:56,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698405179] [2020-07-18 06:35:56,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 06:35:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,831 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4429#true} {4429#true} #180#return; {4429#true} is VALID [2020-07-18 06:35:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,842 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,842 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,844 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,844 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #184#return; {4429#true} is VALID [2020-07-18 06:35:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,855 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,855 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,856 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #186#return; {4429#true} is VALID [2020-07-18 06:35:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,860 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,861 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,861 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,861 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #188#return; {4429#true} is VALID [2020-07-18 06:35:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,867 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,868 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,868 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,869 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #190#return; {4429#true} is VALID [2020-07-18 06:35:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,873 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,873 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,873 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,874 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #196#return; {4429#true} is VALID [2020-07-18 06:35:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,884 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,884 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,884 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,885 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #198#return; {4429#true} is VALID [2020-07-18 06:35:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,889 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,889 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,889 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,890 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #200#return; {4429#true} is VALID [2020-07-18 06:35:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,894 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,894 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,894 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,895 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #202#return; {4429#true} is VALID [2020-07-18 06:35:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,899 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,900 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,900 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,900 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #204#return; {4429#true} is VALID [2020-07-18 06:35:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,904 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,905 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,905 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,905 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #206#return; {4429#true} is VALID [2020-07-18 06:35:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,910 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,910 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,911 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,911 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #208#return; {4429#true} is VALID [2020-07-18 06:35:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,919 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,919 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,920 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,921 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #210#return; {4429#true} is VALID [2020-07-18 06:35:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,925 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,926 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,926 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,927 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #212#return; {4429#true} is VALID [2020-07-18 06:35:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,930 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,930 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,930 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,931 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #214#return; {4429#true} is VALID [2020-07-18 06:35:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,940 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,940 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,940 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,941 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #216#return; {4429#true} is VALID [2020-07-18 06:35:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,949 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,950 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,950 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,950 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4429#true} #218#return; {4429#true} is VALID [2020-07-18 06:35:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,957 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,958 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,958 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,959 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} #208#return; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 06:35:56,974 INFO L280 TraceCheckUtils]: 0: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,975 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,975 INFO L280 TraceCheckUtils]: 2: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,976 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4429#true} {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} #210#return; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:56,977 INFO L263 TraceCheckUtils]: 0: Hoare triple {4429#true} call ULTIMATE.init(); {4429#true} is VALID [2020-07-18 06:35:56,977 INFO L280 TraceCheckUtils]: 1: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,977 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4429#true} {4429#true} #180#return; {4429#true} is VALID [2020-07-18 06:35:56,978 INFO L263 TraceCheckUtils]: 3: Hoare triple {4429#true} call #t~ret11 := main(); {4429#true} is VALID [2020-07-18 06:35:56,978 INFO L280 TraceCheckUtils]: 4: Hoare triple {4429#true} havoc ~scheme~0; {4429#true} is VALID [2020-07-18 06:35:56,978 INFO L280 TraceCheckUtils]: 5: Hoare triple {4429#true} havoc ~urilen~0; {4429#true} is VALID [2020-07-18 06:35:56,978 INFO L280 TraceCheckUtils]: 6: Hoare triple {4429#true} havoc ~tokenlen~0; {4429#true} is VALID [2020-07-18 06:35:56,979 INFO L280 TraceCheckUtils]: 7: Hoare triple {4429#true} havoc ~cp~0; {4429#true} is VALID [2020-07-18 06:35:56,979 INFO L280 TraceCheckUtils]: 8: Hoare triple {4429#true} havoc ~c~0; {4429#true} is VALID [2020-07-18 06:35:56,979 INFO L280 TraceCheckUtils]: 9: Hoare triple {4429#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {4429#true} is VALID [2020-07-18 06:35:56,979 INFO L280 TraceCheckUtils]: 10: Hoare triple {4429#true} ~urilen~0 := #t~nondet0; {4429#true} is VALID [2020-07-18 06:35:56,979 INFO L280 TraceCheckUtils]: 11: Hoare triple {4429#true} havoc #t~nondet0; {4429#true} is VALID [2020-07-18 06:35:56,980 INFO L280 TraceCheckUtils]: 12: Hoare triple {4429#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {4429#true} is VALID [2020-07-18 06:35:56,980 INFO L280 TraceCheckUtils]: 13: Hoare triple {4429#true} ~tokenlen~0 := #t~nondet1; {4429#true} is VALID [2020-07-18 06:35:56,980 INFO L280 TraceCheckUtils]: 14: Hoare triple {4429#true} havoc #t~nondet1; {4429#true} is VALID [2020-07-18 06:35:56,980 INFO L280 TraceCheckUtils]: 15: Hoare triple {4429#true} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; {4429#true} is VALID [2020-07-18 06:35:56,980 INFO L280 TraceCheckUtils]: 16: Hoare triple {4429#true} ~scheme~0 := #t~nondet2; {4429#true} is VALID [2020-07-18 06:35:56,981 INFO L280 TraceCheckUtils]: 17: Hoare triple {4429#true} havoc #t~nondet2; {4429#true} is VALID [2020-07-18 06:35:56,981 INFO L280 TraceCheckUtils]: 18: Hoare triple {4429#true} assume !!(~urilen~0 <= 1000000 && ~urilen~0 >= -1000000); {4429#true} is VALID [2020-07-18 06:35:56,981 INFO L280 TraceCheckUtils]: 19: Hoare triple {4429#true} assume !!(~tokenlen~0 <= 1000000 && ~tokenlen~0 >= -1000000); {4429#true} is VALID [2020-07-18 06:35:56,981 INFO L280 TraceCheckUtils]: 20: Hoare triple {4429#true} assume !!(~scheme~0 <= 1000000 && ~scheme~0 >= -1000000); {4429#true} is VALID [2020-07-18 06:35:56,981 INFO L280 TraceCheckUtils]: 21: Hoare triple {4429#true} assume ~urilen~0 > 0; {4429#true} is VALID [2020-07-18 06:35:56,982 INFO L280 TraceCheckUtils]: 22: Hoare triple {4429#true} assume ~tokenlen~0 > 0; {4429#true} is VALID [2020-07-18 06:35:56,982 INFO L280 TraceCheckUtils]: 23: Hoare triple {4429#true} assume ~scheme~0 >= 0; {4429#true} is VALID [2020-07-18 06:35:56,982 INFO L280 TraceCheckUtils]: 24: Hoare triple {4429#true} assume !(0 == ~scheme~0 || ~urilen~0 - 1 < ~scheme~0); {4429#true} is VALID [2020-07-18 06:35:56,982 INFO L280 TraceCheckUtils]: 25: Hoare triple {4429#true} ~cp~0 := ~scheme~0; {4429#true} is VALID [2020-07-18 06:35:56,982 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 [2020-07-18 06:35:56,982 INFO L280 TraceCheckUtils]: 27: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,983 INFO L280 TraceCheckUtils]: 28: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,983 INFO L280 TraceCheckUtils]: 29: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,983 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4429#true} {4429#true} #184#return; {4429#true} is VALID [2020-07-18 06:35:56,983 INFO L263 TraceCheckUtils]: 31: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 - 1 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,983 INFO L280 TraceCheckUtils]: 32: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,984 INFO L280 TraceCheckUtils]: 33: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,984 INFO L280 TraceCheckUtils]: 34: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,984 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {4429#true} {4429#true} #186#return; {4429#true} is VALID [2020-07-18 06:35:56,984 INFO L280 TraceCheckUtils]: 36: Hoare triple {4429#true} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647; {4429#true} is VALID [2020-07-18 06:35:56,984 INFO L280 TraceCheckUtils]: 37: Hoare triple {4429#true} assume 0 != #t~nondet3; {4429#true} is VALID [2020-07-18 06:35:56,985 INFO L280 TraceCheckUtils]: 38: Hoare triple {4429#true} havoc #t~nondet3; {4429#true} is VALID [2020-07-18 06:35:56,985 INFO L263 TraceCheckUtils]: 39: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,985 INFO L280 TraceCheckUtils]: 40: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,985 INFO L280 TraceCheckUtils]: 41: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,985 INFO L280 TraceCheckUtils]: 42: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,986 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {4429#true} {4429#true} #188#return; {4429#true} is VALID [2020-07-18 06:35:56,986 INFO L263 TraceCheckUtils]: 44: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,986 INFO L280 TraceCheckUtils]: 45: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,986 INFO L280 TraceCheckUtils]: 46: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,986 INFO L280 TraceCheckUtils]: 47: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,986 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {4429#true} {4429#true} #190#return; {4429#true} is VALID [2020-07-18 06:35:56,987 INFO L280 TraceCheckUtils]: 49: Hoare triple {4429#true} assume !!(~cp~0 != ~urilen~0 - 1); {4429#true} is VALID [2020-07-18 06:35:56,987 INFO L280 TraceCheckUtils]: 50: Hoare triple {4429#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {4429#true} is VALID [2020-07-18 06:35:56,987 INFO L280 TraceCheckUtils]: 51: Hoare triple {4429#true} assume 0 != #t~nondet4; {4429#true} is VALID [2020-07-18 06:35:56,987 INFO L280 TraceCheckUtils]: 52: Hoare triple {4429#true} havoc #t~nondet4; {4429#true} is VALID [2020-07-18 06:35:56,987 INFO L263 TraceCheckUtils]: 53: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,988 INFO L280 TraceCheckUtils]: 54: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,988 INFO L280 TraceCheckUtils]: 55: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,988 INFO L280 TraceCheckUtils]: 56: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,988 INFO L275 TraceCheckUtils]: 57: Hoare quadruple {4429#true} {4429#true} #196#return; {4429#true} is VALID [2020-07-18 06:35:56,988 INFO L263 TraceCheckUtils]: 58: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,988 INFO L280 TraceCheckUtils]: 59: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,989 INFO L280 TraceCheckUtils]: 60: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,989 INFO L280 TraceCheckUtils]: 61: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,989 INFO L275 TraceCheckUtils]: 62: Hoare quadruple {4429#true} {4429#true} #198#return; {4429#true} is VALID [2020-07-18 06:35:56,989 INFO L280 TraceCheckUtils]: 63: Hoare triple {4429#true} assume !(~cp~0 == ~urilen~0 - 1); {4429#true} is VALID [2020-07-18 06:35:56,989 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 [2020-07-18 06:35:56,990 INFO L280 TraceCheckUtils]: 65: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,990 INFO L280 TraceCheckUtils]: 66: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,990 INFO L280 TraceCheckUtils]: 67: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,990 INFO L275 TraceCheckUtils]: 68: Hoare quadruple {4429#true} {4429#true} #200#return; {4429#true} is VALID [2020-07-18 06:35:56,990 INFO L263 TraceCheckUtils]: 69: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= 1 + ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,991 INFO L280 TraceCheckUtils]: 70: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,991 INFO L280 TraceCheckUtils]: 71: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,991 INFO L280 TraceCheckUtils]: 72: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,991 INFO L275 TraceCheckUtils]: 73: Hoare quadruple {4429#true} {4429#true} #202#return; {4429#true} is VALID [2020-07-18 06:35:56,991 INFO L280 TraceCheckUtils]: 74: Hoare triple {4429#true} assume !(1 + ~cp~0 == ~urilen~0 - 1); {4429#true} is VALID [2020-07-18 06:35:56,992 INFO L280 TraceCheckUtils]: 75: Hoare triple {4429#true} #t~pre6 := 1 + ~cp~0; {4429#true} is VALID [2020-07-18 06:35:56,992 INFO L280 TraceCheckUtils]: 76: Hoare triple {4429#true} ~cp~0 := 1 + ~cp~0; {4429#true} is VALID [2020-07-18 06:35:56,992 INFO L280 TraceCheckUtils]: 77: Hoare triple {4429#true} havoc #t~pre6; {4429#true} is VALID [2020-07-18 06:35:56,992 INFO L280 TraceCheckUtils]: 78: Hoare triple {4429#true} ~scheme~0 := ~cp~0; {4429#true} is VALID [2020-07-18 06:35:56,992 INFO L280 TraceCheckUtils]: 79: Hoare triple {4429#true} assume -2147483648 <= #t~nondet7 && #t~nondet7 <= 2147483647; {4429#true} is VALID [2020-07-18 06:35:56,992 INFO L280 TraceCheckUtils]: 80: Hoare triple {4429#true} assume 0 != #t~nondet7; {4429#true} is VALID [2020-07-18 06:35:56,993 INFO L280 TraceCheckUtils]: 81: Hoare triple {4429#true} havoc #t~nondet7; {4429#true} is VALID [2020-07-18 06:35:56,993 INFO L280 TraceCheckUtils]: 82: Hoare triple {4429#true} ~c~0 := 0; {4429#true} is VALID [2020-07-18 06:35:56,993 INFO L263 TraceCheckUtils]: 83: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,993 INFO L280 TraceCheckUtils]: 84: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,993 INFO L280 TraceCheckUtils]: 85: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,994 INFO L280 TraceCheckUtils]: 86: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,994 INFO L275 TraceCheckUtils]: 87: Hoare quadruple {4429#true} {4429#true} #204#return; {4429#true} is VALID [2020-07-18 06:35:56,994 INFO L263 TraceCheckUtils]: 88: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,994 INFO L280 TraceCheckUtils]: 89: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,994 INFO L280 TraceCheckUtils]: 90: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,995 INFO L280 TraceCheckUtils]: 91: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,995 INFO L275 TraceCheckUtils]: 92: Hoare quadruple {4429#true} {4429#true} #206#return; {4429#true} is VALID [2020-07-18 06:35:56,995 INFO L280 TraceCheckUtils]: 93: Hoare triple {4429#true} assume !!(~cp~0 != ~urilen~0 - 1 && ~c~0 < ~tokenlen~0 - 1); {4429#true} is VALID [2020-07-18 06:35:56,995 INFO L263 TraceCheckUtils]: 94: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,995 INFO L280 TraceCheckUtils]: 95: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,995 INFO L280 TraceCheckUtils]: 96: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,996 INFO L280 TraceCheckUtils]: 97: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,996 INFO L275 TraceCheckUtils]: 98: Hoare quadruple {4429#true} {4429#true} #208#return; {4429#true} is VALID [2020-07-18 06:35:56,996 INFO L263 TraceCheckUtils]: 99: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,996 INFO L280 TraceCheckUtils]: 100: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,996 INFO L280 TraceCheckUtils]: 101: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,997 INFO L280 TraceCheckUtils]: 102: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,997 INFO L275 TraceCheckUtils]: 103: Hoare quadruple {4429#true} {4429#true} #210#return; {4429#true} is VALID [2020-07-18 06:35:56,997 INFO L280 TraceCheckUtils]: 104: Hoare triple {4429#true} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4429#true} is VALID [2020-07-18 06:35:56,997 INFO L280 TraceCheckUtils]: 105: Hoare triple {4429#true} assume 0 != #t~nondet8; {4429#true} is VALID [2020-07-18 06:35:56,997 INFO L280 TraceCheckUtils]: 106: Hoare triple {4429#true} havoc #t~nondet8; {4429#true} is VALID [2020-07-18 06:35:56,998 INFO L280 TraceCheckUtils]: 107: Hoare triple {4429#true} #t~pre9 := 1 + ~c~0; {4429#true} is VALID [2020-07-18 06:35:56,998 INFO L280 TraceCheckUtils]: 108: Hoare triple {4429#true} ~c~0 := 1 + ~c~0; {4429#true} is VALID [2020-07-18 06:35:56,998 INFO L280 TraceCheckUtils]: 109: Hoare triple {4429#true} havoc #t~pre9; {4429#true} is VALID [2020-07-18 06:35:56,998 INFO L263 TraceCheckUtils]: 110: Hoare triple {4429#true} call __VERIFIER_assert((if ~c~0 < ~tokenlen~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,998 INFO L280 TraceCheckUtils]: 111: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,998 INFO L280 TraceCheckUtils]: 112: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:56,999 INFO L280 TraceCheckUtils]: 113: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:56,999 INFO L275 TraceCheckUtils]: 114: Hoare quadruple {4429#true} {4429#true} #212#return; {4429#true} is VALID [2020-07-18 06:35:56,999 INFO L263 TraceCheckUtils]: 115: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~c~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:56,999 INFO L280 TraceCheckUtils]: 116: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:56,999 INFO L280 TraceCheckUtils]: 117: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:57,000 INFO L280 TraceCheckUtils]: 118: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:57,000 INFO L275 TraceCheckUtils]: 119: Hoare quadruple {4429#true} {4429#true} #214#return; {4429#true} is VALID [2020-07-18 06:35:57,000 INFO L263 TraceCheckUtils]: 120: Hoare triple {4429#true} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:57,000 INFO L280 TraceCheckUtils]: 121: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:57,001 INFO L280 TraceCheckUtils]: 122: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:57,001 INFO L280 TraceCheckUtils]: 123: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:57,001 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4429#true} {4429#true} #216#return; {4429#true} is VALID [2020-07-18 06:35:57,001 INFO L263 TraceCheckUtils]: 125: Hoare triple {4429#true} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:57,002 INFO L280 TraceCheckUtils]: 126: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:57,002 INFO L280 TraceCheckUtils]: 127: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:57,002 INFO L280 TraceCheckUtils]: 128: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:57,002 INFO L275 TraceCheckUtils]: 129: Hoare quadruple {4429#true} {4429#true} #218#return; {4429#true} is VALID [2020-07-18 06:35:57,002 INFO L280 TraceCheckUtils]: 130: Hoare triple {4429#true} #t~pre10 := 1 + ~cp~0; {4429#true} is VALID [2020-07-18 06:35:57,003 INFO L280 TraceCheckUtils]: 131: Hoare triple {4429#true} ~cp~0 := 1 + ~cp~0; {4429#true} is VALID [2020-07-18 06:35:57,003 INFO L280 TraceCheckUtils]: 132: Hoare triple {4429#true} havoc #t~pre10; {4429#true} is VALID [2020-07-18 06:35:57,008 INFO L280 TraceCheckUtils]: 133: Hoare triple {4429#true} assume !!(~cp~0 != ~urilen~0 - 1 && ~c~0 < ~tokenlen~0 - 1); {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,009 INFO L263 TraceCheckUtils]: 134: Hoare triple {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} call __VERIFIER_assert((if ~cp~0 < ~urilen~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:57,009 INFO L280 TraceCheckUtils]: 135: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:57,009 INFO L280 TraceCheckUtils]: 136: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:57,009 INFO L280 TraceCheckUtils]: 137: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:57,010 INFO L275 TraceCheckUtils]: 138: Hoare quadruple {4429#true} {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} #208#return; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,011 INFO L263 TraceCheckUtils]: 139: Hoare triple {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} call __VERIFIER_assert((if 0 <= ~cp~0 then 1 else 0)); {4429#true} is VALID [2020-07-18 06:35:57,011 INFO L280 TraceCheckUtils]: 140: Hoare triple {4429#true} ~cond := #in~cond; {4429#true} is VALID [2020-07-18 06:35:57,011 INFO L280 TraceCheckUtils]: 141: Hoare triple {4429#true} assume !(0 == ~cond); {4429#true} is VALID [2020-07-18 06:35:57,011 INFO L280 TraceCheckUtils]: 142: Hoare triple {4429#true} assume true; {4429#true} is VALID [2020-07-18 06:35:57,012 INFO L275 TraceCheckUtils]: 143: Hoare quadruple {4429#true} {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} #210#return; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,013 INFO L280 TraceCheckUtils]: 144: Hoare triple {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} assume -2147483648 <= #t~nondet8 && #t~nondet8 <= 2147483647; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,014 INFO L280 TraceCheckUtils]: 145: Hoare triple {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} assume 0 != #t~nondet8; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,014 INFO L280 TraceCheckUtils]: 146: Hoare triple {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} havoc #t~nondet8; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,015 INFO L280 TraceCheckUtils]: 147: Hoare triple {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} #t~pre9 := 1 + ~c~0; {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,016 INFO L280 TraceCheckUtils]: 148: Hoare triple {4497#(<= (+ main_~c~0 2) main_~tokenlen~0)} ~c~0 := 1 + ~c~0; {4506#(<= (+ main_~c~0 1) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,016 INFO L280 TraceCheckUtils]: 149: Hoare triple {4506#(<= (+ main_~c~0 1) main_~tokenlen~0)} havoc #t~pre9; {4506#(<= (+ main_~c~0 1) main_~tokenlen~0)} is VALID [2020-07-18 06:35:57,017 INFO L263 TraceCheckUtils]: 150: Hoare triple {4506#(<= (+ main_~c~0 1) main_~tokenlen~0)} call __VERIFIER_assert((if ~c~0 < ~tokenlen~0 then 1 else 0)); {4507#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-18 06:35:57,018 INFO L280 TraceCheckUtils]: 151: Hoare triple {4507#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {4508#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-18 06:35:57,018 INFO L280 TraceCheckUtils]: 152: Hoare triple {4508#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {4430#false} is VALID [2020-07-18 06:35:57,019 INFO L280 TraceCheckUtils]: 153: Hoare triple {4430#false} assume !false; {4430#false} is VALID [2020-07-18 06:35:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-07-18 06:35:57,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698405179] [2020-07-18 06:35:57,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 06:35:57,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-18 06:35:57,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146259607] [2020-07-18 06:35:57,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-07-18 06:35:57,039 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 06:35:57,039 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-18 06:35:57,171 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:57,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-18 06:35:57,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 06:35:57,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-18 06:35:57,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-18 06:35:57,172 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 6 states. [2020-07-18 06:35:57,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:57,958 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-18 06:35:57,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 06:35:57,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-07-18 06:35:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 06:35:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2020-07-18 06:35:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-18 06:35:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2020-07-18 06:35:57,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 109 transitions. [2020-07-18 06:35:58,107 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:58,108 INFO L225 Difference]: With dead ends: 128 [2020-07-18 06:35:58,108 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 06:35:58,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-18 06:35:58,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 06:35:58,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 06:35:58,111 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 06:35:58,111 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 06:35:58,111 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 06:35:58,111 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 06:35:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:58,112 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 06:35:58,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:35:58,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:58,112 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:58,112 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 06:35:58,113 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 06:35:58,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 06:35:58,113 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 06:35:58,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:35:58,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:58,113 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 06:35:58,113 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 06:35:58,114 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 06:35:58,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 06:35:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 06:35:58,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2020-07-18 06:35:58,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 06:35:58,114 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 06:35:58,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-18 06:35:58,114 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 06:35:58,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 06:35:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 06:35:58,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 06:35:58,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-18 06:35:58,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 06:36:00,279 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 06:36:00,279 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 06:36:00,279 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 06:36:00,280 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 06:36:00,280 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 06:36:00,280 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 06:36:00,280 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed. [2020-07-18 06:36:00,280 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-18 06:36:00,281 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-18 06:36:00,281 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-07-18 06:36:00,281 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-18 06:36:00,281 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,281 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,282 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 72) the Hoare annotation is: true [2020-07-18 06:36:00,282 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) (<= 1 main_~cp~0) (= 0 main_~c~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,282 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-18 06:36:00,282 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) (<= 1 main_~cp~0) (= 0 main_~c~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,282 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-07-18 06:36:00,282 INFO L271 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: true [2020-07-18 06:36:00,283 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,283 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)) [2020-07-18 06:36:00,283 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,283 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-18 06:36:00,283 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-18 06:36:00,284 INFO L271 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: true [2020-07-18 06:36:00,284 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,284 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,284 INFO L271 CegarLoopResult]: At program point L70(lines 14 72) the Hoare annotation is: true [2020-07-18 06:36:00,284 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,285 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,285 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,285 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,285 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,285 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-18 06:36:00,285 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 (<= 1 main_~cp~0)) (.cse3 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 .cse1 .cse2 (= 0 main_~c~0) .cse3) (and .cse0 (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) .cse1 .cse2 .cse3))) [2020-07-18 06:36:00,286 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-07-18 06:36:00,286 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,286 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 72) the Hoare annotation is: true [2020-07-18 06:36:00,286 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,286 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,287 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)) [2020-07-18 06:36:00,287 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 72) the Hoare annotation is: true [2020-07-18 06:36:00,287 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-18 06:36:00,287 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-18 06:36:00,287 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,287 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,287 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,288 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,288 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-18 06:36:00,288 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,288 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-18 06:36:00,288 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,288 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,289 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,289 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,289 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,289 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,289 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,290 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,290 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,290 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-07-18 06:36:00,290 INFO L271 CegarLoopResult]: At program point L24-1(lines 14 72) the Hoare annotation is: true [2020-07-18 06:36:00,290 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,290 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-18 06:36:00,290 INFO L271 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: true [2020-07-18 06:36:00,291 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,291 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,291 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)) [2020-07-18 06:36:00,291 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,291 INFO L271 CegarLoopResult]: At program point L25(lines 14 72) the Hoare annotation is: true [2020-07-18 06:36:00,291 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,292 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,292 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,292 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,292 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-18 06:36:00,292 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,292 INFO L271 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true [2020-07-18 06:36:00,292 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,293 INFO L271 CegarLoopResult]: At program point L50-3(line 50) the Hoare annotation is: true [2020-07-18 06:36:00,293 INFO L264 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,293 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,293 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,293 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,293 INFO L264 CegarLoopResult]: At program point L26(lines 14 72) the Hoare annotation is: (< 0 (+ main_~scheme~0 1)) [2020-07-18 06:36:00,293 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,294 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) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,294 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) (<= 1 main_~cp~0) (< main_~cp~0 main_~urilen~0)) [2020-07-18 06:36:00,294 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-18 06:36:00,294 INFO L271 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: true [2020-07-18 06:36:00,294 INFO L271 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: true [2020-07-18 06:36:00,294 INFO L264 CegarLoopResult]: At program point L43(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 main_~urilen~0)) [2020-07-18 06:36:00,295 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-07-18 06:36:00,295 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))) [2020-07-18 06:36:00,295 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-18 06:36:00,295 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))) [2020-07-18 06:36:00,295 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))) [2020-07-18 06:36:00,295 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-18 06:36:00,302 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 06:36:00,311 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-18 06:36:00,311 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-18 06:36:00,312 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-18 06:36:00,312 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-18 06:36:00,366 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. [2020-07-18 06:36:00,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 06:36:00 BoogieIcfgContainer [2020-07-18 06:36:00,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 06:36:00,399 INFO L168 Benchmark]: Toolchain (without parser) took 18078.77 ms. Allocated memory was 142.1 MB in the beginning and 391.1 MB in the end (delta: 249.0 MB). Free memory was 100.5 MB in the beginning and 171.7 MB in the end (delta: -71.2 MB). Peak memory consumption was 177.9 MB. Max. memory is 7.1 GB. [2020-07-18 06:36:00,407 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 142.1 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 06:36:00,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.44 ms. Allocated memory is still 142.1 MB. Free memory was 100.1 MB in the beginning and 89.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-07-18 06:36:00,409 INFO L168 Benchmark]: Boogie Preprocessor took 158.92 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 89.0 MB in the beginning and 178.0 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-18 06:36:00,410 INFO L168 Benchmark]: RCFGBuilder took 928.97 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 135.1 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2020-07-18 06:36:00,410 INFO L168 Benchmark]: TraceAbstraction took 16436.46 ms. Allocated memory was 200.3 MB in the beginning and 391.1 MB in the end (delta: 190.8 MB). Free memory was 134.4 MB in the beginning and 171.7 MB in the end (delta: -37.2 MB). Peak memory consumption was 153.6 MB. Max. memory is 7.1 GB. [2020-07-18 06:36:00,420 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 1.25 ms. Allocated memory is still 142.1 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 545.44 ms. Allocated memory is still 142.1 MB. Free memory was 100.1 MB in the beginning and 89.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.92 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 89.0 MB in the beginning and 178.0 MB in the end (delta: -89.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 928.97 ms. Allocated memory is still 200.3 MB. Free memory was 178.0 MB in the beginning and 135.1 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16436.46 ms. Allocated memory was 200.3 MB in the beginning and 391.1 MB in the end (delta: 190.8 MB). Free memory was 134.4 MB in the beginning and 171.7 MB in the end (delta: -37.2 MB). Peak memory consumption was 153.6 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) && 1 <= cp) && cp < urilen - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((((scheme + 1 <= urilen && 0 < scheme) && 1 <= cp) && 0 == c) && cp < urilen) || (((((scheme + 1 <= urilen && c + 1 <= tokenlen) && 0 <= c) && 0 < scheme) && 1 <= cp) && cp < urilen) - 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: 14.0s, OverallIterations: 7, TraceHistogramMax: 19, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 681 SDtfs, 320 SDslu, 1933 SDs, 0 SdLazy, 490 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s 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: 1.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 398 PreInvPairs, 536 NumberOfFragments, 1170 HoareAnnotationTreeSize, 398 FomulaSimplifications, 795 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 92 FomulaSimplificationsInter, 565 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 585 NumberOfCodeBlocks, 585 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 86703 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1430/1430 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...