/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:51:13,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:51:13,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:51:13,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:51:13,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:51:13,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:51:13,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:51:13,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:51:13,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:51:13,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:51:13,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:51:13,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:51:13,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:51:13,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:51:13,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:51:13,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:51:13,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:51:13,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:51:13,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:51:13,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:51:13,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:51:13,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:51:13,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:51:13,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:51:13,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:51:13,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:51:13,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:51:13,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:51:13,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:51:13,582 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:51:13,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:51:13,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:51:13,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:51:13,584 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:51:13,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:51:13,584 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:51:13,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:51:13,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:51:13,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:51:13,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:51:13,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:51:13,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:51:13,590 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:51:13,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:51:13,590 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:51:13,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:51:13,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:51:13,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:51:13,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:51:13,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:51:13,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:51:13,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:51:13,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:51:13,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:51:13,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:51:13,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:51:13,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:51:13,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:51:13,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:51:13,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:51:13,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:51:13,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:51:13,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:51:13,976 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:51:13,978 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-07-17 22:51:14,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a836fb541/558bfc91f99041bda8793c363d77d55d/FLAG7d41d1b1f [2020-07-17 22:51:14,619 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:51:14,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-07-17 22:51:14,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a836fb541/558bfc91f99041bda8793c363d77d55d/FLAG7d41d1b1f [2020-07-17 22:51:14,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a836fb541/558bfc91f99041bda8793c363d77d55d [2020-07-17 22:51:15,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:51:15,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:51:15,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:51:15,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:51:15,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:51:15,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:51:14" (1/1) ... [2020-07-17 22:51:15,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270ebdc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15, skipping insertion in model container [2020-07-17 22:51:15,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:51:14" (1/1) ... [2020-07-17 22:51:15,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:51:15,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:51:15,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:51:15,307 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:51:15,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:51:15,427 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:51:15,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15 WrapperNode [2020-07-17 22:51:15,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:51:15,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:51:15,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:51:15,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:51:15,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (1/1) ... [2020-07-17 22:51:15,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (1/1) ... [2020-07-17 22:51:15,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (1/1) ... [2020-07-17 22:51:15,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (1/1) ... [2020-07-17 22:51:15,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (1/1) ... [2020-07-17 22:51:15,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (1/1) ... [2020-07-17 22:51:15,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (1/1) ... [2020-07-17 22:51:15,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:51:15,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:51:15,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:51:15,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:51:15,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (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 [2020-07-17 22:51:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:51:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:51:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 22:51:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:51:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:51:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 22:51:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 22:51:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:51:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:51:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:51:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:51:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:51:16,540 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:51:16,541 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:51:16,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:51:16 BoogieIcfgContainer [2020-07-17 22:51:16,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:51:16,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:51:16,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:51:16,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:51:16,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:51:14" (1/3) ... [2020-07-17 22:51:16,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad76a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:51:16, skipping insertion in model container [2020-07-17 22:51:16,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:51:15" (2/3) ... [2020-07-17 22:51:16,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad76a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:51:16, skipping insertion in model container [2020-07-17 22:51:16,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:51:16" (3/3) ... [2020-07-17 22:51:16,566 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2020-07-17 22:51:16,584 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:51:16,600 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 18 error locations. [2020-07-17 22:51:16,627 INFO L251 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2020-07-17 22:51:16,664 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:51:16,664 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:51:16,664 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:51:16,664 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:51:16,664 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:51:16,665 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:51:16,665 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:51:16,665 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:51:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-07-17 22:51:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 22:51:16,712 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:16,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:16,714 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:16,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:16,727 INFO L82 PathProgramCache]: Analyzing trace with hash -2019463306, now seen corresponding path program 1 times [2020-07-17 22:51:16,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:16,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777180006] [2020-07-17 22:51:16,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:17,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {96#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {90#true} is VALID [2020-07-17 22:51:17,082 INFO L280 TraceCheckUtils]: 1: Hoare triple {90#true} assume true; {90#true} is VALID [2020-07-17 22:51:17,083 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {90#true} {90#true} #223#return; {90#true} is VALID [2020-07-17 22:51:17,088 INFO L263 TraceCheckUtils]: 0: Hoare triple {90#true} call ULTIMATE.init(); {96#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:17,089 INFO L280 TraceCheckUtils]: 1: Hoare triple {96#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {90#true} is VALID [2020-07-17 22:51:17,089 INFO L280 TraceCheckUtils]: 2: Hoare triple {90#true} assume true; {90#true} is VALID [2020-07-17 22:51:17,089 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {90#true} {90#true} #223#return; {90#true} is VALID [2020-07-17 22:51:17,090 INFO L263 TraceCheckUtils]: 4: Hoare triple {90#true} call #t~ret7 := main(); {90#true} is VALID [2020-07-17 22:51:17,091 INFO L280 TraceCheckUtils]: 5: Hoare triple {90#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {90#true} is VALID [2020-07-17 22:51:17,092 INFO L280 TraceCheckUtils]: 6: Hoare triple {90#true} assume !!(~main__urilen~0 <= 1000000); {90#true} is VALID [2020-07-17 22:51:17,092 INFO L280 TraceCheckUtils]: 7: Hoare triple {90#true} assume !!(~main__urilen~0 >= -1000000); {90#true} is VALID [2020-07-17 22:51:17,093 INFO L280 TraceCheckUtils]: 8: Hoare triple {90#true} assume !!(~main__tokenlen~0 <= 1000000); {90#true} is VALID [2020-07-17 22:51:17,093 INFO L280 TraceCheckUtils]: 9: Hoare triple {90#true} assume !!(~main__tokenlen~0 >= -1000000); {90#true} is VALID [2020-07-17 22:51:17,093 INFO L280 TraceCheckUtils]: 10: Hoare triple {90#true} assume !!(~main__scheme~0 <= 1000000); {90#true} is VALID [2020-07-17 22:51:17,094 INFO L280 TraceCheckUtils]: 11: Hoare triple {90#true} assume !!(~main__scheme~0 >= -1000000); {90#true} is VALID [2020-07-17 22:51:17,094 INFO L280 TraceCheckUtils]: 12: Hoare triple {90#true} assume ~main__urilen~0 > 0; {90#true} is VALID [2020-07-17 22:51:17,095 INFO L280 TraceCheckUtils]: 13: Hoare triple {90#true} assume ~main__tokenlen~0 > 0; {90#true} is VALID [2020-07-17 22:51:17,095 INFO L280 TraceCheckUtils]: 14: Hoare triple {90#true} assume ~main__scheme~0 >= 0; {90#true} is VALID [2020-07-17 22:51:17,096 INFO L280 TraceCheckUtils]: 15: Hoare triple {90#true} assume !(0 == ~main__scheme~0); {90#true} is VALID [2020-07-17 22:51:17,099 INFO L280 TraceCheckUtils]: 16: Hoare triple {90#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {95#(not (= 0 main_~__VERIFIER_assert__cond~0))} is VALID [2020-07-17 22:51:17,102 INFO L280 TraceCheckUtils]: 17: Hoare triple {95#(not (= 0 main_~__VERIFIER_assert__cond~0))} assume 0 == ~__VERIFIER_assert__cond~0; {91#false} is VALID [2020-07-17 22:51:17,103 INFO L280 TraceCheckUtils]: 18: Hoare triple {91#false} assume !false; {91#false} is VALID [2020-07-17 22:51:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:17,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777180006] [2020-07-17 22:51:17,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:17,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:51:17,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955709004] [2020-07-17 22:51:17,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-17 22:51:17,128 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:17,133 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:51:17,181 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:17,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:51:17,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:17,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:51:17,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:51:17,197 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 4 states. [2020-07-17 22:51:17,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:17,921 INFO L93 Difference]: Finished difference Result 93 states and 129 transitions. [2020-07-17 22:51:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 22:51:17,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-17 22:51:17,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:17,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:51:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2020-07-17 22:51:17,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:51:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2020-07-17 22:51:17,944 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 129 transitions. [2020-07-17 22:51:18,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:18,157 INFO L225 Difference]: With dead ends: 93 [2020-07-17 22:51:18,157 INFO L226 Difference]: Without dead ends: 80 [2020-07-17 22:51:18,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:51:18,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-07-17 22:51:18,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-07-17 22:51:18,245 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:18,246 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand 80 states. [2020-07-17 22:51:18,247 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-17 22:51:18,247 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-17 22:51:18,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:18,255 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-07-17 22:51:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-07-17 22:51:18,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:18,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:18,257 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand 80 states. [2020-07-17 22:51:18,257 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 80 states. [2020-07-17 22:51:18,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:18,267 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-07-17 22:51:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-07-17 22:51:18,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:18,269 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:18,270 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:18,270 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-17 22:51:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2020-07-17 22:51:18,277 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 19 [2020-07-17 22:51:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:18,277 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2020-07-17 22:51:18,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:51:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2020-07-17 22:51:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-17 22:51:18,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:18,280 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] [2020-07-17 22:51:18,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:51:18,282 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:18,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:18,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1821150056, now seen corresponding path program 1 times [2020-07-17 22:51:18,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:18,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46119081] [2020-07-17 22:51:18,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:18,409 INFO L280 TraceCheckUtils]: 0: Hoare triple {460#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {451#true} is VALID [2020-07-17 22:51:18,410 INFO L280 TraceCheckUtils]: 1: Hoare triple {451#true} assume true; {451#true} is VALID [2020-07-17 22:51:18,410 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {451#true} {451#true} #223#return; {451#true} is VALID [2020-07-17 22:51:18,411 INFO L263 TraceCheckUtils]: 0: Hoare triple {451#true} call ULTIMATE.init(); {460#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:18,411 INFO L280 TraceCheckUtils]: 1: Hoare triple {460#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {451#true} is VALID [2020-07-17 22:51:18,412 INFO L280 TraceCheckUtils]: 2: Hoare triple {451#true} assume true; {451#true} is VALID [2020-07-17 22:51:18,412 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {451#true} {451#true} #223#return; {451#true} is VALID [2020-07-17 22:51:18,412 INFO L263 TraceCheckUtils]: 4: Hoare triple {451#true} call #t~ret7 := main(); {451#true} is VALID [2020-07-17 22:51:18,413 INFO L280 TraceCheckUtils]: 5: Hoare triple {451#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {451#true} is VALID [2020-07-17 22:51:18,413 INFO L280 TraceCheckUtils]: 6: Hoare triple {451#true} assume !!(~main__urilen~0 <= 1000000); {451#true} is VALID [2020-07-17 22:51:18,413 INFO L280 TraceCheckUtils]: 7: Hoare triple {451#true} assume !!(~main__urilen~0 >= -1000000); {451#true} is VALID [2020-07-17 22:51:18,414 INFO L280 TraceCheckUtils]: 8: Hoare triple {451#true} assume !!(~main__tokenlen~0 <= 1000000); {451#true} is VALID [2020-07-17 22:51:18,414 INFO L280 TraceCheckUtils]: 9: Hoare triple {451#true} assume !!(~main__tokenlen~0 >= -1000000); {451#true} is VALID [2020-07-17 22:51:18,414 INFO L280 TraceCheckUtils]: 10: Hoare triple {451#true} assume !!(~main__scheme~0 <= 1000000); {451#true} is VALID [2020-07-17 22:51:18,415 INFO L280 TraceCheckUtils]: 11: Hoare triple {451#true} assume !!(~main__scheme~0 >= -1000000); {451#true} is VALID [2020-07-17 22:51:18,415 INFO L280 TraceCheckUtils]: 12: Hoare triple {451#true} assume ~main__urilen~0 > 0; {451#true} is VALID [2020-07-17 22:51:18,415 INFO L280 TraceCheckUtils]: 13: Hoare triple {451#true} assume ~main__tokenlen~0 > 0; {451#true} is VALID [2020-07-17 22:51:18,417 INFO L280 TraceCheckUtils]: 14: Hoare triple {451#true} assume ~main__scheme~0 >= 0; {456#(< 0 (+ main_~main__scheme~0 1))} is VALID [2020-07-17 22:51:18,420 INFO L280 TraceCheckUtils]: 15: Hoare triple {456#(< 0 (+ main_~main__scheme~0 1))} assume !(0 == ~main__scheme~0); {457#(< 0 main_~main__scheme~0)} is VALID [2020-07-17 22:51:18,421 INFO L280 TraceCheckUtils]: 16: Hoare triple {457#(< 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {458#(<= 1 main_~main__cp~0)} is VALID [2020-07-17 22:51:18,422 INFO L280 TraceCheckUtils]: 17: Hoare triple {458#(<= 1 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {459#(not (= 0 main_~__VERIFIER_assert__cond~1))} is VALID [2020-07-17 22:51:18,423 INFO L280 TraceCheckUtils]: 18: Hoare triple {459#(not (= 0 main_~__VERIFIER_assert__cond~1))} assume 0 == ~__VERIFIER_assert__cond~1; {452#false} is VALID [2020-07-17 22:51:18,424 INFO L280 TraceCheckUtils]: 19: Hoare triple {452#false} assume !false; {452#false} is VALID [2020-07-17 22:51:18,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:18,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46119081] [2020-07-17 22:51:18,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:18,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 22:51:18,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882630611] [2020-07-17 22:51:18,428 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-07-17 22:51:18,428 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:18,429 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 22:51:18,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:18,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 22:51:18,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:18,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 22:51:18,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-17 22:51:18,456 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 7 states. [2020-07-17 22:51:19,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:19,101 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2020-07-17 22:51:19,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:51:19,102 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-07-17 22:51:19,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 83 transitions. [2020-07-17 22:51:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 83 transitions. [2020-07-17 22:51:19,108 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 83 transitions. [2020-07-17 22:51:19,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:19,243 INFO L225 Difference]: With dead ends: 80 [2020-07-17 22:51:19,244 INFO L226 Difference]: Without dead ends: 78 [2020-07-17 22:51:19,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:19,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-07-17 22:51:19,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-07-17 22:51:19,278 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:19,278 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand 78 states. [2020-07-17 22:51:19,279 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 78 states. [2020-07-17 22:51:19,279 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 78 states. [2020-07-17 22:51:19,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:19,284 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2020-07-17 22:51:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-17 22:51:19,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:19,285 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:19,285 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 78 states. [2020-07-17 22:51:19,286 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 78 states. [2020-07-17 22:51:19,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:19,291 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2020-07-17 22:51:19,291 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-17 22:51:19,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:19,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:19,293 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:19,293 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-17 22:51:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2020-07-17 22:51:19,301 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 20 [2020-07-17 22:51:19,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:19,301 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2020-07-17 22:51:19,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 22:51:19,301 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2020-07-17 22:51:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 22:51:19,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:19,302 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] [2020-07-17 22:51:19,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:51:19,303 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:19,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:19,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2073610827, now seen corresponding path program 1 times [2020-07-17 22:51:19,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:19,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698274559] [2020-07-17 22:51:19,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:19,443 INFO L280 TraceCheckUtils]: 0: Hoare triple {808#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {801#true} is VALID [2020-07-17 22:51:19,443 INFO L280 TraceCheckUtils]: 1: Hoare triple {801#true} assume true; {801#true} is VALID [2020-07-17 22:51:19,444 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {801#true} {801#true} #223#return; {801#true} is VALID [2020-07-17 22:51:19,445 INFO L263 TraceCheckUtils]: 0: Hoare triple {801#true} call ULTIMATE.init(); {808#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:19,445 INFO L280 TraceCheckUtils]: 1: Hoare triple {808#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {801#true} is VALID [2020-07-17 22:51:19,445 INFO L280 TraceCheckUtils]: 2: Hoare triple {801#true} assume true; {801#true} is VALID [2020-07-17 22:51:19,446 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {801#true} {801#true} #223#return; {801#true} is VALID [2020-07-17 22:51:19,446 INFO L263 TraceCheckUtils]: 4: Hoare triple {801#true} call #t~ret7 := main(); {801#true} is VALID [2020-07-17 22:51:19,446 INFO L280 TraceCheckUtils]: 5: Hoare triple {801#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {801#true} is VALID [2020-07-17 22:51:19,447 INFO L280 TraceCheckUtils]: 6: Hoare triple {801#true} assume !!(~main__urilen~0 <= 1000000); {801#true} is VALID [2020-07-17 22:51:19,447 INFO L280 TraceCheckUtils]: 7: Hoare triple {801#true} assume !!(~main__urilen~0 >= -1000000); {801#true} is VALID [2020-07-17 22:51:19,447 INFO L280 TraceCheckUtils]: 8: Hoare triple {801#true} assume !!(~main__tokenlen~0 <= 1000000); {801#true} is VALID [2020-07-17 22:51:19,447 INFO L280 TraceCheckUtils]: 9: Hoare triple {801#true} assume !!(~main__tokenlen~0 >= -1000000); {801#true} is VALID [2020-07-17 22:51:19,448 INFO L280 TraceCheckUtils]: 10: Hoare triple {801#true} assume !!(~main__scheme~0 <= 1000000); {801#true} is VALID [2020-07-17 22:51:19,448 INFO L280 TraceCheckUtils]: 11: Hoare triple {801#true} assume !!(~main__scheme~0 >= -1000000); {801#true} is VALID [2020-07-17 22:51:19,448 INFO L280 TraceCheckUtils]: 12: Hoare triple {801#true} assume ~main__urilen~0 > 0; {801#true} is VALID [2020-07-17 22:51:19,449 INFO L280 TraceCheckUtils]: 13: Hoare triple {801#true} assume ~main__tokenlen~0 > 0; {801#true} is VALID [2020-07-17 22:51:19,449 INFO L280 TraceCheckUtils]: 14: Hoare triple {801#true} assume ~main__scheme~0 >= 0; {801#true} is VALID [2020-07-17 22:51:19,449 INFO L280 TraceCheckUtils]: 15: Hoare triple {801#true} assume !(0 == ~main__scheme~0); {801#true} is VALID [2020-07-17 22:51:19,450 INFO L280 TraceCheckUtils]: 16: Hoare triple {801#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:19,451 INFO L280 TraceCheckUtils]: 17: Hoare triple {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:19,452 INFO L280 TraceCheckUtils]: 18: Hoare triple {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:19,453 INFO L280 TraceCheckUtils]: 19: Hoare triple {806#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {807#(not (= 0 main_~__VERIFIER_assert__cond~2))} is VALID [2020-07-17 22:51:19,453 INFO L280 TraceCheckUtils]: 20: Hoare triple {807#(not (= 0 main_~__VERIFIER_assert__cond~2))} assume 0 == ~__VERIFIER_assert__cond~2; {802#false} is VALID [2020-07-17 22:51:19,453 INFO L280 TraceCheckUtils]: 21: Hoare triple {802#false} assume !false; {802#false} is VALID [2020-07-17 22:51:19,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:19,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698274559] [2020-07-17 22:51:19,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:19,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:51:19,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227408566] [2020-07-17 22:51:19,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-17 22:51:19,457 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:19,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:51:19,492 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:19,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:51:19,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:19,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:51:19,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:51:19,494 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 5 states. [2020-07-17 22:51:20,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:20,105 INFO L93 Difference]: Finished difference Result 101 states and 106 transitions. [2020-07-17 22:51:20,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:20,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-07-17 22:51:20,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2020-07-17 22:51:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:20,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 106 transitions. [2020-07-17 22:51:20,115 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 106 transitions. [2020-07-17 22:51:20,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:20,327 INFO L225 Difference]: With dead ends: 101 [2020-07-17 22:51:20,327 INFO L226 Difference]: Without dead ends: 99 [2020-07-17 22:51:20,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-17 22:51:20,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-17 22:51:20,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 76. [2020-07-17 22:51:20,372 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:20,372 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 76 states. [2020-07-17 22:51:20,373 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 76 states. [2020-07-17 22:51:20,373 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 76 states. [2020-07-17 22:51:20,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:20,379 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-07-17 22:51:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2020-07-17 22:51:20,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:20,382 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:20,382 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 99 states. [2020-07-17 22:51:20,382 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 99 states. [2020-07-17 22:51:20,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:20,388 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2020-07-17 22:51:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2020-07-17 22:51:20,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:20,391 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:20,391 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:20,391 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-17 22:51:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-07-17 22:51:20,396 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 22 [2020-07-17 22:51:20,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:20,397 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-07-17 22:51:20,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:51:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-07-17 22:51:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-17 22:51:20,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:20,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:20,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 22:51:20,400 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:20,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:20,401 INFO L82 PathProgramCache]: Analyzing trace with hash -142570686, now seen corresponding path program 1 times [2020-07-17 22:51:20,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:20,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969912223] [2020-07-17 22:51:20,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:20,570 INFO L280 TraceCheckUtils]: 0: Hoare triple {1218#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1210#true} is VALID [2020-07-17 22:51:20,571 INFO L280 TraceCheckUtils]: 1: Hoare triple {1210#true} assume true; {1210#true} is VALID [2020-07-17 22:51:20,571 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1210#true} {1210#true} #223#return; {1210#true} is VALID [2020-07-17 22:51:20,573 INFO L263 TraceCheckUtils]: 0: Hoare triple {1210#true} call ULTIMATE.init(); {1218#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:20,573 INFO L280 TraceCheckUtils]: 1: Hoare triple {1218#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1210#true} is VALID [2020-07-17 22:51:20,574 INFO L280 TraceCheckUtils]: 2: Hoare triple {1210#true} assume true; {1210#true} is VALID [2020-07-17 22:51:20,574 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1210#true} {1210#true} #223#return; {1210#true} is VALID [2020-07-17 22:51:20,574 INFO L263 TraceCheckUtils]: 4: Hoare triple {1210#true} call #t~ret7 := main(); {1210#true} is VALID [2020-07-17 22:51:20,574 INFO L280 TraceCheckUtils]: 5: Hoare triple {1210#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {1210#true} is VALID [2020-07-17 22:51:20,575 INFO L280 TraceCheckUtils]: 6: Hoare triple {1210#true} assume !!(~main__urilen~0 <= 1000000); {1210#true} is VALID [2020-07-17 22:51:20,575 INFO L280 TraceCheckUtils]: 7: Hoare triple {1210#true} assume !!(~main__urilen~0 >= -1000000); {1210#true} is VALID [2020-07-17 22:51:20,576 INFO L280 TraceCheckUtils]: 8: Hoare triple {1210#true} assume !!(~main__tokenlen~0 <= 1000000); {1210#true} is VALID [2020-07-17 22:51:20,576 INFO L280 TraceCheckUtils]: 9: Hoare triple {1210#true} assume !!(~main__tokenlen~0 >= -1000000); {1210#true} is VALID [2020-07-17 22:51:20,576 INFO L280 TraceCheckUtils]: 10: Hoare triple {1210#true} assume !!(~main__scheme~0 <= 1000000); {1210#true} is VALID [2020-07-17 22:51:20,576 INFO L280 TraceCheckUtils]: 11: Hoare triple {1210#true} assume !!(~main__scheme~0 >= -1000000); {1210#true} is VALID [2020-07-17 22:51:20,577 INFO L280 TraceCheckUtils]: 12: Hoare triple {1210#true} assume ~main__urilen~0 > 0; {1210#true} is VALID [2020-07-17 22:51:20,577 INFO L280 TraceCheckUtils]: 13: Hoare triple {1210#true} assume ~main__tokenlen~0 > 0; {1210#true} is VALID [2020-07-17 22:51:20,579 INFO L280 TraceCheckUtils]: 14: Hoare triple {1210#true} assume ~main__scheme~0 >= 0; {1215#(<= 0 main_~main__scheme~0)} is VALID [2020-07-17 22:51:20,579 INFO L280 TraceCheckUtils]: 15: Hoare triple {1215#(<= 0 main_~main__scheme~0)} assume !(0 == ~main__scheme~0); {1215#(<= 0 main_~main__scheme~0)} is VALID [2020-07-17 22:51:20,581 INFO L280 TraceCheckUtils]: 16: Hoare triple {1215#(<= 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:20,583 INFO L280 TraceCheckUtils]: 17: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:20,584 INFO L280 TraceCheckUtils]: 18: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:20,585 INFO L280 TraceCheckUtils]: 19: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {1216#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:20,586 INFO L280 TraceCheckUtils]: 20: Hoare triple {1216#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {1217#(not (= 0 main_~__VERIFIER_assert__cond~3))} is VALID [2020-07-17 22:51:20,587 INFO L280 TraceCheckUtils]: 21: Hoare triple {1217#(not (= 0 main_~__VERIFIER_assert__cond~3))} assume 0 == ~__VERIFIER_assert__cond~3; {1211#false} is VALID [2020-07-17 22:51:20,588 INFO L280 TraceCheckUtils]: 22: Hoare triple {1211#false} assume !false; {1211#false} is VALID [2020-07-17 22:51:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:20,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969912223] [2020-07-17 22:51:20,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:20,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:20,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278988430] [2020-07-17 22:51:20,591 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-17 22:51:20,592 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:20,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:20,624 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:20,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:20,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:20,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:20,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:20,626 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 6 states. [2020-07-17 22:51:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:21,101 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-07-17 22:51:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:21,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-17 22:51:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 79 transitions. [2020-07-17 22:51:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 79 transitions. [2020-07-17 22:51:21,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 79 transitions. [2020-07-17 22:51:21,228 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:21,233 INFO L225 Difference]: With dead ends: 76 [2020-07-17 22:51:21,233 INFO L226 Difference]: Without dead ends: 74 [2020-07-17 22:51:21,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-17 22:51:21,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-07-17 22:51:21,281 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:21,281 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 74 states. [2020-07-17 22:51:21,282 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-17 22:51:21,282 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-17 22:51:21,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:21,286 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-17 22:51:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-17 22:51:21,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:21,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:21,288 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 74 states. [2020-07-17 22:51:21,288 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 74 states. [2020-07-17 22:51:21,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:21,292 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-17 22:51:21,293 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-17 22:51:21,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:21,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:21,294 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:21,294 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:21,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-17 22:51:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2020-07-17 22:51:21,297 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 23 [2020-07-17 22:51:21,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:21,297 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2020-07-17 22:51:21,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-17 22:51:21,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:51:21,306 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:21,306 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] [2020-07-17 22:51:21,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 22:51:21,307 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:21,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:21,310 INFO L82 PathProgramCache]: Analyzing trace with hash 402497124, now seen corresponding path program 1 times [2020-07-17 22:51:21,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:21,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438002763] [2020-07-17 22:51:21,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:21,408 INFO L280 TraceCheckUtils]: 0: Hoare triple {1549#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1541#true} is VALID [2020-07-17 22:51:21,408 INFO L280 TraceCheckUtils]: 1: Hoare triple {1541#true} assume true; {1541#true} is VALID [2020-07-17 22:51:21,408 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1541#true} {1541#true} #223#return; {1541#true} is VALID [2020-07-17 22:51:21,409 INFO L263 TraceCheckUtils]: 0: Hoare triple {1541#true} call ULTIMATE.init(); {1549#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:21,410 INFO L280 TraceCheckUtils]: 1: Hoare triple {1549#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {1541#true} is VALID [2020-07-17 22:51:21,410 INFO L280 TraceCheckUtils]: 2: Hoare triple {1541#true} assume true; {1541#true} is VALID [2020-07-17 22:51:21,410 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1541#true} {1541#true} #223#return; {1541#true} is VALID [2020-07-17 22:51:21,410 INFO L263 TraceCheckUtils]: 4: Hoare triple {1541#true} call #t~ret7 := main(); {1541#true} is VALID [2020-07-17 22:51:21,411 INFO L280 TraceCheckUtils]: 5: Hoare triple {1541#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {1541#true} is VALID [2020-07-17 22:51:21,411 INFO L280 TraceCheckUtils]: 6: Hoare triple {1541#true} assume !!(~main__urilen~0 <= 1000000); {1541#true} is VALID [2020-07-17 22:51:21,411 INFO L280 TraceCheckUtils]: 7: Hoare triple {1541#true} assume !!(~main__urilen~0 >= -1000000); {1541#true} is VALID [2020-07-17 22:51:21,411 INFO L280 TraceCheckUtils]: 8: Hoare triple {1541#true} assume !!(~main__tokenlen~0 <= 1000000); {1541#true} is VALID [2020-07-17 22:51:21,412 INFO L280 TraceCheckUtils]: 9: Hoare triple {1541#true} assume !!(~main__tokenlen~0 >= -1000000); {1541#true} is VALID [2020-07-17 22:51:21,412 INFO L280 TraceCheckUtils]: 10: Hoare triple {1541#true} assume !!(~main__scheme~0 <= 1000000); {1541#true} is VALID [2020-07-17 22:51:21,412 INFO L280 TraceCheckUtils]: 11: Hoare triple {1541#true} assume !!(~main__scheme~0 >= -1000000); {1541#true} is VALID [2020-07-17 22:51:21,412 INFO L280 TraceCheckUtils]: 12: Hoare triple {1541#true} assume ~main__urilen~0 > 0; {1541#true} is VALID [2020-07-17 22:51:21,413 INFO L280 TraceCheckUtils]: 13: Hoare triple {1541#true} assume ~main__tokenlen~0 > 0; {1541#true} is VALID [2020-07-17 22:51:21,413 INFO L280 TraceCheckUtils]: 14: Hoare triple {1541#true} assume ~main__scheme~0 >= 0; {1541#true} is VALID [2020-07-17 22:51:21,413 INFO L280 TraceCheckUtils]: 15: Hoare triple {1541#true} assume !(0 == ~main__scheme~0); {1541#true} is VALID [2020-07-17 22:51:21,414 INFO L280 TraceCheckUtils]: 16: Hoare triple {1541#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {1541#true} is VALID [2020-07-17 22:51:21,414 INFO L280 TraceCheckUtils]: 17: Hoare triple {1541#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {1541#true} is VALID [2020-07-17 22:51:21,414 INFO L280 TraceCheckUtils]: 18: Hoare triple {1541#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {1541#true} is VALID [2020-07-17 22:51:21,415 INFO L280 TraceCheckUtils]: 19: Hoare triple {1541#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {1546#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} is VALID [2020-07-17 22:51:21,416 INFO L280 TraceCheckUtils]: 20: Hoare triple {1546#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {1547#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:21,417 INFO L280 TraceCheckUtils]: 21: Hoare triple {1547#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {1547#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:21,418 INFO L280 TraceCheckUtils]: 22: Hoare triple {1547#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {1547#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:21,418 INFO L280 TraceCheckUtils]: 23: Hoare triple {1547#(< main_~main__cp~0 main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {1548#(not (= main_~__VERIFIER_assert__cond~16 0))} is VALID [2020-07-17 22:51:21,419 INFO L280 TraceCheckUtils]: 24: Hoare triple {1548#(not (= main_~__VERIFIER_assert__cond~16 0))} assume 0 == ~__VERIFIER_assert__cond~16; {1542#false} is VALID [2020-07-17 22:51:21,419 INFO L280 TraceCheckUtils]: 25: Hoare triple {1542#false} assume !false; {1542#false} is VALID [2020-07-17 22:51:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:21,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438002763] [2020-07-17 22:51:21,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:21,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:21,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139356189] [2020-07-17 22:51:21,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-17 22:51:21,422 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:21,423 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:21,447 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:21,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:21,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:21,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:21,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:21,449 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 6 states. [2020-07-17 22:51:22,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:22,503 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2020-07-17 22:51:22,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 22:51:22,503 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-17 22:51:22,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2020-07-17 22:51:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2020-07-17 22:51:22,511 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 147 transitions. [2020-07-17 22:51:22,714 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 147 edges. 147 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:22,717 INFO L225 Difference]: With dead ends: 141 [2020-07-17 22:51:22,718 INFO L226 Difference]: Without dead ends: 139 [2020-07-17 22:51:22,718 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-17 22:51:22,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 77. [2020-07-17 22:51:22,779 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:22,779 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand 77 states. [2020-07-17 22:51:22,779 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand 77 states. [2020-07-17 22:51:22,780 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 77 states. [2020-07-17 22:51:22,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:22,792 INFO L93 Difference]: Finished difference Result 139 states and 145 transitions. [2020-07-17 22:51:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2020-07-17 22:51:22,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:22,793 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:22,794 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 139 states. [2020-07-17 22:51:22,794 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 139 states. [2020-07-17 22:51:22,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:22,800 INFO L93 Difference]: Finished difference Result 139 states and 145 transitions. [2020-07-17 22:51:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2020-07-17 22:51:22,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:22,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:22,801 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:22,801 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-17 22:51:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-07-17 22:51:22,806 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 26 [2020-07-17 22:51:22,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:22,809 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-07-17 22:51:22,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-07-17 22:51:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:51:22,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:22,811 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] [2020-07-17 22:51:22,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 22:51:22,811 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:22,812 INFO L82 PathProgramCache]: Analyzing trace with hash 406230933, now seen corresponding path program 1 times [2020-07-17 22:51:22,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:22,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197051611] [2020-07-17 22:51:22,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:22,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {2088#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2080#true} is VALID [2020-07-17 22:51:22,973 INFO L280 TraceCheckUtils]: 1: Hoare triple {2080#true} assume true; {2080#true} is VALID [2020-07-17 22:51:22,973 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2080#true} {2080#true} #223#return; {2080#true} is VALID [2020-07-17 22:51:22,974 INFO L263 TraceCheckUtils]: 0: Hoare triple {2080#true} call ULTIMATE.init(); {2088#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:22,975 INFO L280 TraceCheckUtils]: 1: Hoare triple {2088#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2080#true} is VALID [2020-07-17 22:51:22,975 INFO L280 TraceCheckUtils]: 2: Hoare triple {2080#true} assume true; {2080#true} is VALID [2020-07-17 22:51:22,975 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2080#true} {2080#true} #223#return; {2080#true} is VALID [2020-07-17 22:51:22,975 INFO L263 TraceCheckUtils]: 4: Hoare triple {2080#true} call #t~ret7 := main(); {2080#true} is VALID [2020-07-17 22:51:22,976 INFO L280 TraceCheckUtils]: 5: Hoare triple {2080#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {2080#true} is VALID [2020-07-17 22:51:22,976 INFO L280 TraceCheckUtils]: 6: Hoare triple {2080#true} assume !!(~main__urilen~0 <= 1000000); {2080#true} is VALID [2020-07-17 22:51:22,976 INFO L280 TraceCheckUtils]: 7: Hoare triple {2080#true} assume !!(~main__urilen~0 >= -1000000); {2080#true} is VALID [2020-07-17 22:51:22,977 INFO L280 TraceCheckUtils]: 8: Hoare triple {2080#true} assume !!(~main__tokenlen~0 <= 1000000); {2080#true} is VALID [2020-07-17 22:51:22,977 INFO L280 TraceCheckUtils]: 9: Hoare triple {2080#true} assume !!(~main__tokenlen~0 >= -1000000); {2080#true} is VALID [2020-07-17 22:51:22,977 INFO L280 TraceCheckUtils]: 10: Hoare triple {2080#true} assume !!(~main__scheme~0 <= 1000000); {2080#true} is VALID [2020-07-17 22:51:22,977 INFO L280 TraceCheckUtils]: 11: Hoare triple {2080#true} assume !!(~main__scheme~0 >= -1000000); {2080#true} is VALID [2020-07-17 22:51:22,978 INFO L280 TraceCheckUtils]: 12: Hoare triple {2080#true} assume ~main__urilen~0 > 0; {2080#true} is VALID [2020-07-17 22:51:22,978 INFO L280 TraceCheckUtils]: 13: Hoare triple {2080#true} assume ~main__tokenlen~0 > 0; {2080#true} is VALID [2020-07-17 22:51:22,978 INFO L280 TraceCheckUtils]: 14: Hoare triple {2080#true} assume ~main__scheme~0 >= 0; {2080#true} is VALID [2020-07-17 22:51:22,978 INFO L280 TraceCheckUtils]: 15: Hoare triple {2080#true} assume !(0 == ~main__scheme~0); {2080#true} is VALID [2020-07-17 22:51:22,979 INFO L280 TraceCheckUtils]: 16: Hoare triple {2080#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2080#true} is VALID [2020-07-17 22:51:22,979 INFO L280 TraceCheckUtils]: 17: Hoare triple {2080#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2080#true} is VALID [2020-07-17 22:51:22,979 INFO L280 TraceCheckUtils]: 18: Hoare triple {2080#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {2080#true} is VALID [2020-07-17 22:51:22,982 INFO L280 TraceCheckUtils]: 19: Hoare triple {2080#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2085#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} is VALID [2020-07-17 22:51:22,983 INFO L280 TraceCheckUtils]: 20: Hoare triple {2085#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~2)) (and (= 1 main_~__VERIFIER_assert__cond~2) (< main_~main__cp~0 main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {2086#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:22,985 INFO L280 TraceCheckUtils]: 21: Hoare triple {2086#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {2086#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:22,988 INFO L280 TraceCheckUtils]: 22: Hoare triple {2086#(< main_~main__cp~0 main_~main__urilen~0)} assume !(~main__cp~0 != ~main__urilen~0 - 1); {2086#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:22,991 INFO L280 TraceCheckUtils]: 23: Hoare triple {2086#(< main_~main__cp~0 main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {2087#(not (= 0 main_~__VERIFIER_assert__cond~4))} is VALID [2020-07-17 22:51:22,992 INFO L280 TraceCheckUtils]: 24: Hoare triple {2087#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {2081#false} is VALID [2020-07-17 22:51:22,993 INFO L280 TraceCheckUtils]: 25: Hoare triple {2081#false} assume !false; {2081#false} is VALID [2020-07-17 22:51:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:22,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197051611] [2020-07-17 22:51:22,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:22,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:22,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259829740] [2020-07-17 22:51:22,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-17 22:51:22,998 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:22,998 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:23,030 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:23,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:23,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:23,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:23,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:23,031 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 6 states. [2020-07-17 22:51:23,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:23,924 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2020-07-17 22:51:23,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 22:51:23,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-17 22:51:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:23,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 114 transitions. [2020-07-17 22:51:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 114 transitions. [2020-07-17 22:51:23,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 114 transitions. [2020-07-17 22:51:24,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:24,117 INFO L225 Difference]: With dead ends: 108 [2020-07-17 22:51:24,117 INFO L226 Difference]: Without dead ends: 106 [2020-07-17 22:51:24,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:24,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-17 22:51:24,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 79. [2020-07-17 22:51:24,176 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:24,176 INFO L82 GeneralOperation]: Start isEquivalent. First operand 106 states. Second operand 79 states. [2020-07-17 22:51:24,177 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 79 states. [2020-07-17 22:51:24,177 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 79 states. [2020-07-17 22:51:24,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:24,181 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-17 22:51:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-17 22:51:24,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:24,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:24,181 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 106 states. [2020-07-17 22:51:24,182 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 106 states. [2020-07-17 22:51:24,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:24,185 INFO L93 Difference]: Finished difference Result 106 states and 111 transitions. [2020-07-17 22:51:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 111 transitions. [2020-07-17 22:51:24,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:24,187 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:24,187 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:24,187 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:24,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-17 22:51:24,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2020-07-17 22:51:24,191 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 26 [2020-07-17 22:51:24,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:24,191 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2020-07-17 22:51:24,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2020-07-17 22:51:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-17 22:51:24,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:24,192 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:24,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 22:51:24,193 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:24,193 INFO L82 PathProgramCache]: Analyzing trace with hash -407487796, now seen corresponding path program 1 times [2020-07-17 22:51:24,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:24,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619003470] [2020-07-17 22:51:24,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:24,279 INFO L280 TraceCheckUtils]: 0: Hoare triple {2530#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2522#true} is VALID [2020-07-17 22:51:24,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {2522#true} assume true; {2522#true} is VALID [2020-07-17 22:51:24,280 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2522#true} {2522#true} #223#return; {2522#true} is VALID [2020-07-17 22:51:24,281 INFO L263 TraceCheckUtils]: 0: Hoare triple {2522#true} call ULTIMATE.init(); {2530#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:24,281 INFO L280 TraceCheckUtils]: 1: Hoare triple {2530#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2522#true} is VALID [2020-07-17 22:51:24,281 INFO L280 TraceCheckUtils]: 2: Hoare triple {2522#true} assume true; {2522#true} is VALID [2020-07-17 22:51:24,281 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2522#true} {2522#true} #223#return; {2522#true} is VALID [2020-07-17 22:51:24,282 INFO L263 TraceCheckUtils]: 4: Hoare triple {2522#true} call #t~ret7 := main(); {2522#true} is VALID [2020-07-17 22:51:24,282 INFO L280 TraceCheckUtils]: 5: Hoare triple {2522#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {2522#true} is VALID [2020-07-17 22:51:24,282 INFO L280 TraceCheckUtils]: 6: Hoare triple {2522#true} assume !!(~main__urilen~0 <= 1000000); {2522#true} is VALID [2020-07-17 22:51:24,282 INFO L280 TraceCheckUtils]: 7: Hoare triple {2522#true} assume !!(~main__urilen~0 >= -1000000); {2522#true} is VALID [2020-07-17 22:51:24,282 INFO L280 TraceCheckUtils]: 8: Hoare triple {2522#true} assume !!(~main__tokenlen~0 <= 1000000); {2522#true} is VALID [2020-07-17 22:51:24,283 INFO L280 TraceCheckUtils]: 9: Hoare triple {2522#true} assume !!(~main__tokenlen~0 >= -1000000); {2522#true} is VALID [2020-07-17 22:51:24,283 INFO L280 TraceCheckUtils]: 10: Hoare triple {2522#true} assume !!(~main__scheme~0 <= 1000000); {2522#true} is VALID [2020-07-17 22:51:24,283 INFO L280 TraceCheckUtils]: 11: Hoare triple {2522#true} assume !!(~main__scheme~0 >= -1000000); {2522#true} is VALID [2020-07-17 22:51:24,283 INFO L280 TraceCheckUtils]: 12: Hoare triple {2522#true} assume ~main__urilen~0 > 0; {2522#true} is VALID [2020-07-17 22:51:24,283 INFO L280 TraceCheckUtils]: 13: Hoare triple {2522#true} assume ~main__tokenlen~0 > 0; {2522#true} is VALID [2020-07-17 22:51:24,284 INFO L280 TraceCheckUtils]: 14: Hoare triple {2522#true} assume ~main__scheme~0 >= 0; {2522#true} is VALID [2020-07-17 22:51:24,284 INFO L280 TraceCheckUtils]: 15: Hoare triple {2522#true} assume !(0 == ~main__scheme~0); {2522#true} is VALID [2020-07-17 22:51:24,284 INFO L280 TraceCheckUtils]: 16: Hoare triple {2522#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2522#true} is VALID [2020-07-17 22:51:24,284 INFO L280 TraceCheckUtils]: 17: Hoare triple {2522#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2522#true} is VALID [2020-07-17 22:51:24,284 INFO L280 TraceCheckUtils]: 18: Hoare triple {2522#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {2522#true} is VALID [2020-07-17 22:51:24,285 INFO L280 TraceCheckUtils]: 19: Hoare triple {2522#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2522#true} is VALID [2020-07-17 22:51:24,290 INFO L280 TraceCheckUtils]: 20: Hoare triple {2522#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {2527#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} is VALID [2020-07-17 22:51:24,291 INFO L280 TraceCheckUtils]: 21: Hoare triple {2527#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} assume !(0 == ~__VERIFIER_assert__cond~3); {2528#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:24,293 INFO L280 TraceCheckUtils]: 22: Hoare triple {2528#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {2528#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:24,295 INFO L280 TraceCheckUtils]: 23: Hoare triple {2528#(<= 0 main_~main__cp~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {2528#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:24,295 INFO L280 TraceCheckUtils]: 24: Hoare triple {2528#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {2529#(not (= main_~__VERIFIER_assert__cond~17 0))} is VALID [2020-07-17 22:51:24,296 INFO L280 TraceCheckUtils]: 25: Hoare triple {2529#(not (= main_~__VERIFIER_assert__cond~17 0))} assume 0 == ~__VERIFIER_assert__cond~17; {2523#false} is VALID [2020-07-17 22:51:24,296 INFO L280 TraceCheckUtils]: 26: Hoare triple {2523#false} assume !false; {2523#false} is VALID [2020-07-17 22:51:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:24,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619003470] [2020-07-17 22:51:24,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:24,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:24,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252606631] [2020-07-17 22:51:24,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-17 22:51:24,299 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:24,300 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:24,334 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:24,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:24,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:24,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:24,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:24,336 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand 6 states. [2020-07-17 22:51:25,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:25,096 INFO L93 Difference]: Finished difference Result 121 states and 127 transitions. [2020-07-17 22:51:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:25,096 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-17 22:51:25,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 125 transitions. [2020-07-17 22:51:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 125 transitions. [2020-07-17 22:51:25,101 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 125 transitions. [2020-07-17 22:51:25,278 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:25,281 INFO L225 Difference]: With dead ends: 121 [2020-07-17 22:51:25,281 INFO L226 Difference]: Without dead ends: 119 [2020-07-17 22:51:25,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-17 22:51:25,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 77. [2020-07-17 22:51:25,334 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:25,334 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand 77 states. [2020-07-17 22:51:25,334 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 77 states. [2020-07-17 22:51:25,334 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 77 states. [2020-07-17 22:51:25,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:25,339 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2020-07-17 22:51:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2020-07-17 22:51:25,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:25,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:25,340 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand 119 states. [2020-07-17 22:51:25,340 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 119 states. [2020-07-17 22:51:25,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:25,343 INFO L93 Difference]: Finished difference Result 119 states and 125 transitions. [2020-07-17 22:51:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2020-07-17 22:51:25,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:25,344 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:25,344 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:25,345 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-07-17 22:51:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions. [2020-07-17 22:51:25,347 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 27 [2020-07-17 22:51:25,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:25,348 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions. [2020-07-17 22:51:25,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions. [2020-07-17 22:51:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-17 22:51:25,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:25,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:25,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 22:51:25,349 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:25,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:25,349 INFO L82 PathProgramCache]: Analyzing trace with hash -291739827, now seen corresponding path program 1 times [2020-07-17 22:51:25,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:25,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741011617] [2020-07-17 22:51:25,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:25,435 INFO L280 TraceCheckUtils]: 0: Hoare triple {3006#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2998#true} is VALID [2020-07-17 22:51:25,436 INFO L280 TraceCheckUtils]: 1: Hoare triple {2998#true} assume true; {2998#true} is VALID [2020-07-17 22:51:25,436 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2998#true} {2998#true} #223#return; {2998#true} is VALID [2020-07-17 22:51:25,437 INFO L263 TraceCheckUtils]: 0: Hoare triple {2998#true} call ULTIMATE.init(); {3006#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:25,437 INFO L280 TraceCheckUtils]: 1: Hoare triple {3006#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {2998#true} is VALID [2020-07-17 22:51:25,437 INFO L280 TraceCheckUtils]: 2: Hoare triple {2998#true} assume true; {2998#true} is VALID [2020-07-17 22:51:25,438 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2998#true} {2998#true} #223#return; {2998#true} is VALID [2020-07-17 22:51:25,438 INFO L263 TraceCheckUtils]: 4: Hoare triple {2998#true} call #t~ret7 := main(); {2998#true} is VALID [2020-07-17 22:51:25,438 INFO L280 TraceCheckUtils]: 5: Hoare triple {2998#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {2998#true} is VALID [2020-07-17 22:51:25,438 INFO L280 TraceCheckUtils]: 6: Hoare triple {2998#true} assume !!(~main__urilen~0 <= 1000000); {2998#true} is VALID [2020-07-17 22:51:25,439 INFO L280 TraceCheckUtils]: 7: Hoare triple {2998#true} assume !!(~main__urilen~0 >= -1000000); {2998#true} is VALID [2020-07-17 22:51:25,439 INFO L280 TraceCheckUtils]: 8: Hoare triple {2998#true} assume !!(~main__tokenlen~0 <= 1000000); {2998#true} is VALID [2020-07-17 22:51:25,439 INFO L280 TraceCheckUtils]: 9: Hoare triple {2998#true} assume !!(~main__tokenlen~0 >= -1000000); {2998#true} is VALID [2020-07-17 22:51:25,439 INFO L280 TraceCheckUtils]: 10: Hoare triple {2998#true} assume !!(~main__scheme~0 <= 1000000); {2998#true} is VALID [2020-07-17 22:51:25,440 INFO L280 TraceCheckUtils]: 11: Hoare triple {2998#true} assume !!(~main__scheme~0 >= -1000000); {2998#true} is VALID [2020-07-17 22:51:25,440 INFO L280 TraceCheckUtils]: 12: Hoare triple {2998#true} assume ~main__urilen~0 > 0; {2998#true} is VALID [2020-07-17 22:51:25,440 INFO L280 TraceCheckUtils]: 13: Hoare triple {2998#true} assume ~main__tokenlen~0 > 0; {2998#true} is VALID [2020-07-17 22:51:25,440 INFO L280 TraceCheckUtils]: 14: Hoare triple {2998#true} assume ~main__scheme~0 >= 0; {2998#true} is VALID [2020-07-17 22:51:25,440 INFO L280 TraceCheckUtils]: 15: Hoare triple {2998#true} assume !(0 == ~main__scheme~0); {2998#true} is VALID [2020-07-17 22:51:25,441 INFO L280 TraceCheckUtils]: 16: Hoare triple {2998#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {2998#true} is VALID [2020-07-17 22:51:25,441 INFO L280 TraceCheckUtils]: 17: Hoare triple {2998#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {2998#true} is VALID [2020-07-17 22:51:25,441 INFO L280 TraceCheckUtils]: 18: Hoare triple {2998#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {2998#true} is VALID [2020-07-17 22:51:25,441 INFO L280 TraceCheckUtils]: 19: Hoare triple {2998#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {2998#true} is VALID [2020-07-17 22:51:25,443 INFO L280 TraceCheckUtils]: 20: Hoare triple {2998#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3003#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} is VALID [2020-07-17 22:51:25,443 INFO L280 TraceCheckUtils]: 21: Hoare triple {3003#(or (and (= 0 main_~__VERIFIER_assert__cond~3) (< main_~main__cp~0 0)) (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~3)))} assume !(0 == ~__VERIFIER_assert__cond~3); {3004#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:25,444 INFO L280 TraceCheckUtils]: 22: Hoare triple {3004#(<= 0 main_~main__cp~0)} assume !(~main__cp~0 != ~main__urilen~0 - 1); {3004#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:25,445 INFO L280 TraceCheckUtils]: 23: Hoare triple {3004#(<= 0 main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3004#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:25,446 INFO L280 TraceCheckUtils]: 24: Hoare triple {3004#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3005#(not (= 0 main_~__VERIFIER_assert__cond~5))} is VALID [2020-07-17 22:51:25,446 INFO L280 TraceCheckUtils]: 25: Hoare triple {3005#(not (= 0 main_~__VERIFIER_assert__cond~5))} assume 0 == ~__VERIFIER_assert__cond~5; {2999#false} is VALID [2020-07-17 22:51:25,447 INFO L280 TraceCheckUtils]: 26: Hoare triple {2999#false} assume !false; {2999#false} is VALID [2020-07-17 22:51:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:25,448 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741011617] [2020-07-17 22:51:25,448 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:25,449 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:25,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092372903] [2020-07-17 22:51:25,449 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-17 22:51:25,450 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:25,450 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:25,482 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:25,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:25,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:25,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:25,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:25,483 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 6 states. [2020-07-17 22:51:25,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:25,973 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-07-17 22:51:25,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:25,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-07-17 22:51:25,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:25,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 75 transitions. [2020-07-17 22:51:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 75 transitions. [2020-07-17 22:51:25,976 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 75 transitions. [2020-07-17 22:51:26,096 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:26,098 INFO L225 Difference]: With dead ends: 77 [2020-07-17 22:51:26,098 INFO L226 Difference]: Without dead ends: 75 [2020-07-17 22:51:26,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:26,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-17 22:51:26,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-17 22:51:26,162 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:26,162 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,162 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,162 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:26,170 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-17 22:51:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-17 22:51:26,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:26,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:26,172 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,172 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:26,175 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-17 22:51:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-17 22:51:26,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:26,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:26,177 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:26,177 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-17 22:51:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 80 transitions. [2020-07-17 22:51:26,180 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 80 transitions. Word has length 27 [2020-07-17 22:51:26,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:26,181 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 80 transitions. [2020-07-17 22:51:26,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:26,181 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-17 22:51:26,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-07-17 22:51:26,182 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:26,182 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] [2020-07-17 22:51:26,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 22:51:26,183 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:26,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:26,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1188998893, now seen corresponding path program 1 times [2020-07-17 22:51:26,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:26,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768092412] [2020-07-17 22:51:26,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:26,264 INFO L280 TraceCheckUtils]: 0: Hoare triple {3343#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3337#true} is VALID [2020-07-17 22:51:26,264 INFO L280 TraceCheckUtils]: 1: Hoare triple {3337#true} assume true; {3337#true} is VALID [2020-07-17 22:51:26,265 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3337#true} {3337#true} #223#return; {3337#true} is VALID [2020-07-17 22:51:26,265 INFO L263 TraceCheckUtils]: 0: Hoare triple {3337#true} call ULTIMATE.init(); {3343#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:26,266 INFO L280 TraceCheckUtils]: 1: Hoare triple {3343#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3337#true} is VALID [2020-07-17 22:51:26,266 INFO L280 TraceCheckUtils]: 2: Hoare triple {3337#true} assume true; {3337#true} is VALID [2020-07-17 22:51:26,266 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3337#true} {3337#true} #223#return; {3337#true} is VALID [2020-07-17 22:51:26,266 INFO L263 TraceCheckUtils]: 4: Hoare triple {3337#true} call #t~ret7 := main(); {3337#true} is VALID [2020-07-17 22:51:26,267 INFO L280 TraceCheckUtils]: 5: Hoare triple {3337#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {3337#true} is VALID [2020-07-17 22:51:26,267 INFO L280 TraceCheckUtils]: 6: Hoare triple {3337#true} assume !!(~main__urilen~0 <= 1000000); {3337#true} is VALID [2020-07-17 22:51:26,267 INFO L280 TraceCheckUtils]: 7: Hoare triple {3337#true} assume !!(~main__urilen~0 >= -1000000); {3337#true} is VALID [2020-07-17 22:51:26,267 INFO L280 TraceCheckUtils]: 8: Hoare triple {3337#true} assume !!(~main__tokenlen~0 <= 1000000); {3337#true} is VALID [2020-07-17 22:51:26,267 INFO L280 TraceCheckUtils]: 9: Hoare triple {3337#true} assume !!(~main__tokenlen~0 >= -1000000); {3337#true} is VALID [2020-07-17 22:51:26,268 INFO L280 TraceCheckUtils]: 10: Hoare triple {3337#true} assume !!(~main__scheme~0 <= 1000000); {3337#true} is VALID [2020-07-17 22:51:26,268 INFO L280 TraceCheckUtils]: 11: Hoare triple {3337#true} assume !!(~main__scheme~0 >= -1000000); {3337#true} is VALID [2020-07-17 22:51:26,268 INFO L280 TraceCheckUtils]: 12: Hoare triple {3337#true} assume ~main__urilen~0 > 0; {3337#true} is VALID [2020-07-17 22:51:26,268 INFO L280 TraceCheckUtils]: 13: Hoare triple {3337#true} assume ~main__tokenlen~0 > 0; {3337#true} is VALID [2020-07-17 22:51:26,269 INFO L280 TraceCheckUtils]: 14: Hoare triple {3337#true} assume ~main__scheme~0 >= 0; {3337#true} is VALID [2020-07-17 22:51:26,269 INFO L280 TraceCheckUtils]: 15: Hoare triple {3337#true} assume !(0 == ~main__scheme~0); {3337#true} is VALID [2020-07-17 22:51:26,269 INFO L280 TraceCheckUtils]: 16: Hoare triple {3337#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {3337#true} is VALID [2020-07-17 22:51:26,269 INFO L280 TraceCheckUtils]: 17: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {3337#true} is VALID [2020-07-17 22:51:26,269 INFO L280 TraceCheckUtils]: 18: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {3337#true} is VALID [2020-07-17 22:51:26,270 INFO L280 TraceCheckUtils]: 19: Hoare triple {3337#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3337#true} is VALID [2020-07-17 22:51:26,270 INFO L280 TraceCheckUtils]: 20: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3337#true} is VALID [2020-07-17 22:51:26,270 INFO L280 TraceCheckUtils]: 21: Hoare triple {3337#true} assume !(0 == ~__VERIFIER_assert__cond~3); {3337#true} is VALID [2020-07-17 22:51:26,271 INFO L280 TraceCheckUtils]: 22: Hoare triple {3337#true} assume !(~main__cp~0 != ~main__urilen~0 - 1); {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:26,271 INFO L280 TraceCheckUtils]: 23: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:26,272 INFO L280 TraceCheckUtils]: 24: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:26,272 INFO L280 TraceCheckUtils]: 25: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:26,273 INFO L280 TraceCheckUtils]: 26: Hoare triple {3342#(= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {3338#false} is VALID [2020-07-17 22:51:26,273 INFO L280 TraceCheckUtils]: 27: Hoare triple {3338#false} assume 0 == ~__VERIFIER_assert__cond~6; {3338#false} is VALID [2020-07-17 22:51:26,273 INFO L280 TraceCheckUtils]: 28: Hoare triple {3338#false} assume !false; {3338#false} is VALID [2020-07-17 22:51:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:26,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768092412] [2020-07-17 22:51:26,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:26,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:51:26,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726305761] [2020-07-17 22:51:26,276 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-17 22:51:26,276 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:26,276 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:51:26,310 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:26,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:51:26,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:26,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:51:26,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:51:26,311 INFO L87 Difference]: Start difference. First operand 75 states and 80 transitions. Second operand 4 states. [2020-07-17 22:51:26,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:26,646 INFO L93 Difference]: Finished difference Result 115 states and 121 transitions. [2020-07-17 22:51:26,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:51:26,646 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-07-17 22:51:26,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:26,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:51:26,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-17 22:51:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:51:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2020-07-17 22:51:26,650 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 114 transitions. [2020-07-17 22:51:26,801 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:26,803 INFO L225 Difference]: With dead ends: 115 [2020-07-17 22:51:26,803 INFO L226 Difference]: Without dead ends: 75 [2020-07-17 22:51:26,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:51:26,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-17 22:51:26,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-07-17 22:51:26,869 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:26,869 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,870 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,870 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:26,873 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2020-07-17 22:51:26,874 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-07-17 22:51:26,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:26,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:26,874 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,874 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 75 states. [2020-07-17 22:51:26,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:26,877 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2020-07-17 22:51:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-07-17 22:51:26,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:26,878 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:26,878 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:26,878 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-07-17 22:51:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2020-07-17 22:51:26,881 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 29 [2020-07-17 22:51:26,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:26,881 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2020-07-17 22:51:26,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:51:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-07-17 22:51:26,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-17 22:51:26,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:26,883 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] [2020-07-17 22:51:26,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 22:51:26,883 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:26,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:26,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1640998784, now seen corresponding path program 1 times [2020-07-17 22:51:26,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:26,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435599435] [2020-07-17 22:51:26,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:27,082 INFO L280 TraceCheckUtils]: 0: Hoare triple {3719#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3711#true} is VALID [2020-07-17 22:51:27,082 INFO L280 TraceCheckUtils]: 1: Hoare triple {3711#true} assume true; {3711#true} is VALID [2020-07-17 22:51:27,083 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3711#true} {3711#true} #223#return; {3711#true} is VALID [2020-07-17 22:51:27,084 INFO L263 TraceCheckUtils]: 0: Hoare triple {3711#true} call ULTIMATE.init(); {3719#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:27,085 INFO L280 TraceCheckUtils]: 1: Hoare triple {3719#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {3711#true} is VALID [2020-07-17 22:51:27,085 INFO L280 TraceCheckUtils]: 2: Hoare triple {3711#true} assume true; {3711#true} is VALID [2020-07-17 22:51:27,085 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3711#true} {3711#true} #223#return; {3711#true} is VALID [2020-07-17 22:51:27,086 INFO L263 TraceCheckUtils]: 4: Hoare triple {3711#true} call #t~ret7 := main(); {3711#true} is VALID [2020-07-17 22:51:27,086 INFO L280 TraceCheckUtils]: 5: Hoare triple {3711#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {3711#true} is VALID [2020-07-17 22:51:27,087 INFO L280 TraceCheckUtils]: 6: Hoare triple {3711#true} assume !!(~main__urilen~0 <= 1000000); {3711#true} is VALID [2020-07-17 22:51:27,087 INFO L280 TraceCheckUtils]: 7: Hoare triple {3711#true} assume !!(~main__urilen~0 >= -1000000); {3711#true} is VALID [2020-07-17 22:51:27,089 INFO L280 TraceCheckUtils]: 8: Hoare triple {3711#true} assume !!(~main__tokenlen~0 <= 1000000); {3711#true} is VALID [2020-07-17 22:51:27,089 INFO L280 TraceCheckUtils]: 9: Hoare triple {3711#true} assume !!(~main__tokenlen~0 >= -1000000); {3711#true} is VALID [2020-07-17 22:51:27,090 INFO L280 TraceCheckUtils]: 10: Hoare triple {3711#true} assume !!(~main__scheme~0 <= 1000000); {3711#true} is VALID [2020-07-17 22:51:27,090 INFO L280 TraceCheckUtils]: 11: Hoare triple {3711#true} assume !!(~main__scheme~0 >= -1000000); {3711#true} is VALID [2020-07-17 22:51:27,090 INFO L280 TraceCheckUtils]: 12: Hoare triple {3711#true} assume ~main__urilen~0 > 0; {3711#true} is VALID [2020-07-17 22:51:27,091 INFO L280 TraceCheckUtils]: 13: Hoare triple {3711#true} assume ~main__tokenlen~0 > 0; {3711#true} is VALID [2020-07-17 22:51:27,091 INFO L280 TraceCheckUtils]: 14: Hoare triple {3711#true} assume ~main__scheme~0 >= 0; {3711#true} is VALID [2020-07-17 22:51:27,092 INFO L280 TraceCheckUtils]: 15: Hoare triple {3711#true} assume !(0 == ~main__scheme~0); {3711#true} is VALID [2020-07-17 22:51:27,094 INFO L280 TraceCheckUtils]: 16: Hoare triple {3711#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,095 INFO L280 TraceCheckUtils]: 17: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,096 INFO L280 TraceCheckUtils]: 18: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,098 INFO L280 TraceCheckUtils]: 19: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,100 INFO L280 TraceCheckUtils]: 20: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,101 INFO L280 TraceCheckUtils]: 21: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,102 INFO L280 TraceCheckUtils]: 22: Hoare triple {3716#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-17 22:51:27,118 INFO L280 TraceCheckUtils]: 23: Hoare triple {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~main____CPAchecker_TMP_1~0); {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-17 22:51:27,120 INFO L280 TraceCheckUtils]: 24: Hoare triple {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-17 22:51:27,122 INFO L280 TraceCheckUtils]: 25: Hoare triple {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-17 22:51:27,124 INFO L280 TraceCheckUtils]: 26: Hoare triple {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(0 == ~__VERIFIER_assert__cond~5); {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} is VALID [2020-07-17 22:51:27,126 INFO L280 TraceCheckUtils]: 27: Hoare triple {3717#(and (<= (+ main_~main__cp~0 1) main_~main__urilen~0) (not (= (+ main_~main__cp~0 1) main_~main__urilen~0)))} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {3718#(not (= 0 main_~__VERIFIER_assert__cond~6))} is VALID [2020-07-17 22:51:27,127 INFO L280 TraceCheckUtils]: 28: Hoare triple {3718#(not (= 0 main_~__VERIFIER_assert__cond~6))} assume 0 == ~__VERIFIER_assert__cond~6; {3712#false} is VALID [2020-07-17 22:51:27,127 INFO L280 TraceCheckUtils]: 29: Hoare triple {3712#false} assume !false; {3712#false} is VALID [2020-07-17 22:51:27,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:27,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435599435] [2020-07-17 22:51:27,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:27,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:27,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581064469] [2020-07-17 22:51:27,136 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-17 22:51:27,136 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:27,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:27,177 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:27,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:27,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:27,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:27,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:27,178 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 6 states. [2020-07-17 22:51:27,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:27,675 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2020-07-17 22:51:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:51:27,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-17 22:51:27,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 73 transitions. [2020-07-17 22:51:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 73 transitions. [2020-07-17 22:51:27,678 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 73 transitions. [2020-07-17 22:51:27,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:27,801 INFO L225 Difference]: With dead ends: 76 [2020-07-17 22:51:27,802 INFO L226 Difference]: Without dead ends: 74 [2020-07-17 22:51:27,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-17 22:51:27,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-07-17 22:51:27,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2020-07-17 22:51:27,853 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:27,853 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand 73 states. [2020-07-17 22:51:27,853 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand 73 states. [2020-07-17 22:51:27,853 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 73 states. [2020-07-17 22:51:27,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:27,855 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-17 22:51:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-17 22:51:27,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:27,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:27,856 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 74 states. [2020-07-17 22:51:27,856 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 74 states. [2020-07-17 22:51:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:27,858 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2020-07-17 22:51:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2020-07-17 22:51:27,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:27,858 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:27,859 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:27,859 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:27,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-07-17 22:51:27,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2020-07-17 22:51:27,860 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 30 [2020-07-17 22:51:27,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:27,861 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2020-07-17 22:51:27,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2020-07-17 22:51:27,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-17 22:51:27,862 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:27,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:27,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 22:51:27,862 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:27,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:27,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1892106755, now seen corresponding path program 1 times [2020-07-17 22:51:27,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:27,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455713572] [2020-07-17 22:51:27,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:27,990 INFO L280 TraceCheckUtils]: 0: Hoare triple {4056#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4048#true} is VALID [2020-07-17 22:51:27,990 INFO L280 TraceCheckUtils]: 1: Hoare triple {4048#true} assume true; {4048#true} is VALID [2020-07-17 22:51:27,990 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4048#true} {4048#true} #223#return; {4048#true} is VALID [2020-07-17 22:51:27,991 INFO L263 TraceCheckUtils]: 0: Hoare triple {4048#true} call ULTIMATE.init(); {4056#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:27,991 INFO L280 TraceCheckUtils]: 1: Hoare triple {4056#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4048#true} is VALID [2020-07-17 22:51:27,991 INFO L280 TraceCheckUtils]: 2: Hoare triple {4048#true} assume true; {4048#true} is VALID [2020-07-17 22:51:27,991 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4048#true} {4048#true} #223#return; {4048#true} is VALID [2020-07-17 22:51:27,991 INFO L263 TraceCheckUtils]: 4: Hoare triple {4048#true} call #t~ret7 := main(); {4048#true} is VALID [2020-07-17 22:51:27,992 INFO L280 TraceCheckUtils]: 5: Hoare triple {4048#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4048#true} is VALID [2020-07-17 22:51:27,992 INFO L280 TraceCheckUtils]: 6: Hoare triple {4048#true} assume !!(~main__urilen~0 <= 1000000); {4048#true} is VALID [2020-07-17 22:51:27,992 INFO L280 TraceCheckUtils]: 7: Hoare triple {4048#true} assume !!(~main__urilen~0 >= -1000000); {4048#true} is VALID [2020-07-17 22:51:27,992 INFO L280 TraceCheckUtils]: 8: Hoare triple {4048#true} assume !!(~main__tokenlen~0 <= 1000000); {4048#true} is VALID [2020-07-17 22:51:27,992 INFO L280 TraceCheckUtils]: 9: Hoare triple {4048#true} assume !!(~main__tokenlen~0 >= -1000000); {4048#true} is VALID [2020-07-17 22:51:27,992 INFO L280 TraceCheckUtils]: 10: Hoare triple {4048#true} assume !!(~main__scheme~0 <= 1000000); {4048#true} is VALID [2020-07-17 22:51:27,993 INFO L280 TraceCheckUtils]: 11: Hoare triple {4048#true} assume !!(~main__scheme~0 >= -1000000); {4048#true} is VALID [2020-07-17 22:51:27,993 INFO L280 TraceCheckUtils]: 12: Hoare triple {4048#true} assume ~main__urilen~0 > 0; {4048#true} is VALID [2020-07-17 22:51:27,993 INFO L280 TraceCheckUtils]: 13: Hoare triple {4048#true} assume ~main__tokenlen~0 > 0; {4048#true} is VALID [2020-07-17 22:51:27,993 INFO L280 TraceCheckUtils]: 14: Hoare triple {4048#true} assume ~main__scheme~0 >= 0; {4048#true} is VALID [2020-07-17 22:51:27,993 INFO L280 TraceCheckUtils]: 15: Hoare triple {4048#true} assume !(0 == ~main__scheme~0); {4048#true} is VALID [2020-07-17 22:51:27,995 INFO L280 TraceCheckUtils]: 16: Hoare triple {4048#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,996 INFO L280 TraceCheckUtils]: 17: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,998 INFO L280 TraceCheckUtils]: 18: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,998 INFO L280 TraceCheckUtils]: 19: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,998 INFO L280 TraceCheckUtils]: 20: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:27,999 INFO L280 TraceCheckUtils]: 21: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,000 INFO L280 TraceCheckUtils]: 22: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,000 INFO L280 TraceCheckUtils]: 23: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,000 INFO L280 TraceCheckUtils]: 24: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,001 INFO L280 TraceCheckUtils]: 25: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,001 INFO L280 TraceCheckUtils]: 26: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,009 INFO L280 TraceCheckUtils]: 27: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4055#(not (= main_~__VERIFIER_assert__cond~16 0))} is VALID [2020-07-17 22:51:28,010 INFO L280 TraceCheckUtils]: 28: Hoare triple {4055#(not (= main_~__VERIFIER_assert__cond~16 0))} assume 0 == ~__VERIFIER_assert__cond~16; {4049#false} is VALID [2020-07-17 22:51:28,010 INFO L280 TraceCheckUtils]: 29: Hoare triple {4049#false} assume !false; {4049#false} is VALID [2020-07-17 22:51:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:51:28,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455713572] [2020-07-17 22:51:28,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959662461] [2020-07-17 22:51:28,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:51:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:28,058 INFO L264 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-17 22:51:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:28,077 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:51:28,236 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 22:51:28,258 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 22:51:28,292 INFO L263 TraceCheckUtils]: 0: Hoare triple {4048#true} call ULTIMATE.init(); {4048#true} is VALID [2020-07-17 22:51:28,292 INFO L280 TraceCheckUtils]: 1: Hoare triple {4048#true} ~__return_main~0 := 0;~__return_375~0 := 0; {4048#true} is VALID [2020-07-17 22:51:28,293 INFO L280 TraceCheckUtils]: 2: Hoare triple {4048#true} assume true; {4048#true} is VALID [2020-07-17 22:51:28,293 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4048#true} {4048#true} #223#return; {4048#true} is VALID [2020-07-17 22:51:28,293 INFO L263 TraceCheckUtils]: 4: Hoare triple {4048#true} call #t~ret7 := main(); {4048#true} is VALID [2020-07-17 22:51:28,294 INFO L280 TraceCheckUtils]: 5: Hoare triple {4048#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4048#true} is VALID [2020-07-17 22:51:28,294 INFO L280 TraceCheckUtils]: 6: Hoare triple {4048#true} assume !!(~main__urilen~0 <= 1000000); {4048#true} is VALID [2020-07-17 22:51:28,294 INFO L280 TraceCheckUtils]: 7: Hoare triple {4048#true} assume !!(~main__urilen~0 >= -1000000); {4048#true} is VALID [2020-07-17 22:51:28,294 INFO L280 TraceCheckUtils]: 8: Hoare triple {4048#true} assume !!(~main__tokenlen~0 <= 1000000); {4048#true} is VALID [2020-07-17 22:51:28,294 INFO L280 TraceCheckUtils]: 9: Hoare triple {4048#true} assume !!(~main__tokenlen~0 >= -1000000); {4048#true} is VALID [2020-07-17 22:51:28,295 INFO L280 TraceCheckUtils]: 10: Hoare triple {4048#true} assume !!(~main__scheme~0 <= 1000000); {4048#true} is VALID [2020-07-17 22:51:28,295 INFO L280 TraceCheckUtils]: 11: Hoare triple {4048#true} assume !!(~main__scheme~0 >= -1000000); {4048#true} is VALID [2020-07-17 22:51:28,295 INFO L280 TraceCheckUtils]: 12: Hoare triple {4048#true} assume ~main__urilen~0 > 0; {4048#true} is VALID [2020-07-17 22:51:28,295 INFO L280 TraceCheckUtils]: 13: Hoare triple {4048#true} assume ~main__tokenlen~0 > 0; {4048#true} is VALID [2020-07-17 22:51:28,295 INFO L280 TraceCheckUtils]: 14: Hoare triple {4048#true} assume ~main__scheme~0 >= 0; {4048#true} is VALID [2020-07-17 22:51:28,296 INFO L280 TraceCheckUtils]: 15: Hoare triple {4048#true} assume !(0 == ~main__scheme~0); {4048#true} is VALID [2020-07-17 22:51:28,297 INFO L280 TraceCheckUtils]: 16: Hoare triple {4048#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,298 INFO L280 TraceCheckUtils]: 17: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,298 INFO L280 TraceCheckUtils]: 18: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,299 INFO L280 TraceCheckUtils]: 19: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,300 INFO L280 TraceCheckUtils]: 20: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,301 INFO L280 TraceCheckUtils]: 21: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,303 INFO L280 TraceCheckUtils]: 22: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,308 INFO L280 TraceCheckUtils]: 23: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,313 INFO L280 TraceCheckUtils]: 24: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,316 INFO L280 TraceCheckUtils]: 25: Hoare triple {4054#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,318 INFO L280 TraceCheckUtils]: 26: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:28,321 INFO L280 TraceCheckUtils]: 27: Hoare triple {4053#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4141#(<= 1 main_~__VERIFIER_assert__cond~16)} is VALID [2020-07-17 22:51:28,323 INFO L280 TraceCheckUtils]: 28: Hoare triple {4141#(<= 1 main_~__VERIFIER_assert__cond~16)} assume 0 == ~__VERIFIER_assert__cond~16; {4049#false} is VALID [2020-07-17 22:51:28,324 INFO L280 TraceCheckUtils]: 29: Hoare triple {4049#false} assume !false; {4049#false} is VALID [2020-07-17 22:51:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:51:28,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:51:28,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2020-07-17 22:51:28,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727220312] [2020-07-17 22:51:28,327 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-07-17 22:51:28,327 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:28,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 22:51:28,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:28,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 22:51:28,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:28,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 22:51:28,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 22:51:28,371 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 7 states. [2020-07-17 22:51:29,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:29,213 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2020-07-17 22:51:29,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:51:29,217 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2020-07-17 22:51:29,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:29,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2020-07-17 22:51:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2020-07-17 22:51:29,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 114 transitions. [2020-07-17 22:51:29,429 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:29,433 INFO L225 Difference]: With dead ends: 111 [2020-07-17 22:51:29,433 INFO L226 Difference]: Without dead ends: 109 [2020-07-17 22:51:29,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-17 22:51:29,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 70. [2020-07-17 22:51:29,522 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:29,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand 70 states. [2020-07-17 22:51:29,523 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 70 states. [2020-07-17 22:51:29,523 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 70 states. [2020-07-17 22:51:29,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:29,530 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2020-07-17 22:51:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-07-17 22:51:29,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:29,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:29,532 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 109 states. [2020-07-17 22:51:29,532 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 109 states. [2020-07-17 22:51:29,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:29,537 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2020-07-17 22:51:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2020-07-17 22:51:29,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:29,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:29,539 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:29,539 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:29,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-07-17 22:51:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions. [2020-07-17 22:51:29,542 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 30 [2020-07-17 22:51:29,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:29,542 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions. [2020-07-17 22:51:29,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 22:51:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2020-07-17 22:51:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-17 22:51:29,543 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:29,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:29,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-17 22:51:29,761 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:29,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:29,763 INFO L82 PathProgramCache]: Analyzing trace with hash 668648404, now seen corresponding path program 1 times [2020-07-17 22:51:29,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:29,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379018613] [2020-07-17 22:51:29,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:29,912 INFO L280 TraceCheckUtils]: 0: Hoare triple {4586#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4578#true} is VALID [2020-07-17 22:51:29,913 INFO L280 TraceCheckUtils]: 1: Hoare triple {4578#true} assume true; {4578#true} is VALID [2020-07-17 22:51:29,913 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4578#true} {4578#true} #223#return; {4578#true} is VALID [2020-07-17 22:51:29,914 INFO L263 TraceCheckUtils]: 0: Hoare triple {4578#true} call ULTIMATE.init(); {4586#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:29,914 INFO L280 TraceCheckUtils]: 1: Hoare triple {4586#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4578#true} is VALID [2020-07-17 22:51:29,914 INFO L280 TraceCheckUtils]: 2: Hoare triple {4578#true} assume true; {4578#true} is VALID [2020-07-17 22:51:29,915 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4578#true} {4578#true} #223#return; {4578#true} is VALID [2020-07-17 22:51:29,915 INFO L263 TraceCheckUtils]: 4: Hoare triple {4578#true} call #t~ret7 := main(); {4578#true} is VALID [2020-07-17 22:51:29,915 INFO L280 TraceCheckUtils]: 5: Hoare triple {4578#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4578#true} is VALID [2020-07-17 22:51:29,916 INFO L280 TraceCheckUtils]: 6: Hoare triple {4578#true} assume !!(~main__urilen~0 <= 1000000); {4578#true} is VALID [2020-07-17 22:51:29,916 INFO L280 TraceCheckUtils]: 7: Hoare triple {4578#true} assume !!(~main__urilen~0 >= -1000000); {4578#true} is VALID [2020-07-17 22:51:29,916 INFO L280 TraceCheckUtils]: 8: Hoare triple {4578#true} assume !!(~main__tokenlen~0 <= 1000000); {4578#true} is VALID [2020-07-17 22:51:29,916 INFO L280 TraceCheckUtils]: 9: Hoare triple {4578#true} assume !!(~main__tokenlen~0 >= -1000000); {4578#true} is VALID [2020-07-17 22:51:29,917 INFO L280 TraceCheckUtils]: 10: Hoare triple {4578#true} assume !!(~main__scheme~0 <= 1000000); {4578#true} is VALID [2020-07-17 22:51:29,917 INFO L280 TraceCheckUtils]: 11: Hoare triple {4578#true} assume !!(~main__scheme~0 >= -1000000); {4578#true} is VALID [2020-07-17 22:51:29,917 INFO L280 TraceCheckUtils]: 12: Hoare triple {4578#true} assume ~main__urilen~0 > 0; {4578#true} is VALID [2020-07-17 22:51:29,917 INFO L280 TraceCheckUtils]: 13: Hoare triple {4578#true} assume ~main__tokenlen~0 > 0; {4578#true} is VALID [2020-07-17 22:51:29,918 INFO L280 TraceCheckUtils]: 14: Hoare triple {4578#true} assume ~main__scheme~0 >= 0; {4583#(<= 0 main_~main__scheme~0)} is VALID [2020-07-17 22:51:29,919 INFO L280 TraceCheckUtils]: 15: Hoare triple {4583#(<= 0 main_~main__scheme~0)} assume !(0 == ~main__scheme~0); {4583#(<= 0 main_~main__scheme~0)} is VALID [2020-07-17 22:51:29,920 INFO L280 TraceCheckUtils]: 16: Hoare triple {4583#(<= 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,920 INFO L280 TraceCheckUtils]: 17: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,921 INFO L280 TraceCheckUtils]: 18: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,922 INFO L280 TraceCheckUtils]: 19: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,924 INFO L280 TraceCheckUtils]: 20: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,925 INFO L280 TraceCheckUtils]: 21: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,925 INFO L280 TraceCheckUtils]: 22: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,926 INFO L280 TraceCheckUtils]: 23: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,926 INFO L280 TraceCheckUtils]: 24: Hoare triple {4584#(<= 0 main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,928 INFO L280 TraceCheckUtils]: 25: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,929 INFO L280 TraceCheckUtils]: 26: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,931 INFO L280 TraceCheckUtils]: 27: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {4584#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:29,932 INFO L280 TraceCheckUtils]: 28: Hoare triple {4584#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {4585#(not (= 0 main_~__VERIFIER_assert__cond~7))} is VALID [2020-07-17 22:51:29,932 INFO L280 TraceCheckUtils]: 29: Hoare triple {4585#(not (= 0 main_~__VERIFIER_assert__cond~7))} assume 0 == ~__VERIFIER_assert__cond~7; {4579#false} is VALID [2020-07-17 22:51:29,933 INFO L280 TraceCheckUtils]: 30: Hoare triple {4579#false} assume !false; {4579#false} is VALID [2020-07-17 22:51:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:29,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379018613] [2020-07-17 22:51:29,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:29,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:29,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542064414] [2020-07-17 22:51:29,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-17 22:51:29,938 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:29,938 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:29,976 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:29,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:29,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:29,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:29,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:29,978 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand 6 states. [2020-07-17 22:51:30,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:30,487 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2020-07-17 22:51:30,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:30,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-07-17 22:51:30,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-17 22:51:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-17 22:51:30,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 68 transitions. [2020-07-17 22:51:30,618 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:30,620 INFO L225 Difference]: With dead ends: 70 [2020-07-17 22:51:30,620 INFO L226 Difference]: Without dead ends: 68 [2020-07-17 22:51:30,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:30,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-17 22:51:30,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-07-17 22:51:30,697 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:30,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 68 states. [2020-07-17 22:51:30,698 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-17 22:51:30,698 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-17 22:51:30,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:30,701 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-17 22:51:30,701 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-17 22:51:30,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:30,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:30,703 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 68 states. [2020-07-17 22:51:30,703 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 68 states. [2020-07-17 22:51:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:30,705 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-17 22:51:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-17 22:51:30,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:30,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:30,705 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:30,706 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-07-17 22:51:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 71 transitions. [2020-07-17 22:51:30,708 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 71 transitions. Word has length 31 [2020-07-17 22:51:30,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:30,709 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 71 transitions. [2020-07-17 22:51:30,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-17 22:51:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-17 22:51:30,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:30,711 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] [2020-07-17 22:51:30,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 22:51:30,712 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:30,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:30,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1470784207, now seen corresponding path program 1 times [2020-07-17 22:51:30,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:30,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749896252] [2020-07-17 22:51:30,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:30,937 INFO L280 TraceCheckUtils]: 0: Hoare triple {4897#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4889#true} is VALID [2020-07-17 22:51:30,937 INFO L280 TraceCheckUtils]: 1: Hoare triple {4889#true} assume true; {4889#true} is VALID [2020-07-17 22:51:30,937 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4889#true} {4889#true} #223#return; {4889#true} is VALID [2020-07-17 22:51:30,938 INFO L263 TraceCheckUtils]: 0: Hoare triple {4889#true} call ULTIMATE.init(); {4897#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:30,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {4897#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {4889#true} is VALID [2020-07-17 22:51:30,939 INFO L280 TraceCheckUtils]: 2: Hoare triple {4889#true} assume true; {4889#true} is VALID [2020-07-17 22:51:30,939 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4889#true} {4889#true} #223#return; {4889#true} is VALID [2020-07-17 22:51:30,939 INFO L263 TraceCheckUtils]: 4: Hoare triple {4889#true} call #t~ret7 := main(); {4889#true} is VALID [2020-07-17 22:51:30,939 INFO L280 TraceCheckUtils]: 5: Hoare triple {4889#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4889#true} is VALID [2020-07-17 22:51:30,940 INFO L280 TraceCheckUtils]: 6: Hoare triple {4889#true} assume !!(~main__urilen~0 <= 1000000); {4889#true} is VALID [2020-07-17 22:51:30,940 INFO L280 TraceCheckUtils]: 7: Hoare triple {4889#true} assume !!(~main__urilen~0 >= -1000000); {4889#true} is VALID [2020-07-17 22:51:30,940 INFO L280 TraceCheckUtils]: 8: Hoare triple {4889#true} assume !!(~main__tokenlen~0 <= 1000000); {4889#true} is VALID [2020-07-17 22:51:30,940 INFO L280 TraceCheckUtils]: 9: Hoare triple {4889#true} assume !!(~main__tokenlen~0 >= -1000000); {4889#true} is VALID [2020-07-17 22:51:30,941 INFO L280 TraceCheckUtils]: 10: Hoare triple {4889#true} assume !!(~main__scheme~0 <= 1000000); {4889#true} is VALID [2020-07-17 22:51:30,941 INFO L280 TraceCheckUtils]: 11: Hoare triple {4889#true} assume !!(~main__scheme~0 >= -1000000); {4889#true} is VALID [2020-07-17 22:51:30,941 INFO L280 TraceCheckUtils]: 12: Hoare triple {4889#true} assume ~main__urilen~0 > 0; {4889#true} is VALID [2020-07-17 22:51:30,941 INFO L280 TraceCheckUtils]: 13: Hoare triple {4889#true} assume ~main__tokenlen~0 > 0; {4889#true} is VALID [2020-07-17 22:51:30,942 INFO L280 TraceCheckUtils]: 14: Hoare triple {4889#true} assume ~main__scheme~0 >= 0; {4889#true} is VALID [2020-07-17 22:51:30,942 INFO L280 TraceCheckUtils]: 15: Hoare triple {4889#true} assume !(0 == ~main__scheme~0); {4889#true} is VALID [2020-07-17 22:51:30,944 INFO L280 TraceCheckUtils]: 16: Hoare triple {4889#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,945 INFO L280 TraceCheckUtils]: 17: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,945 INFO L280 TraceCheckUtils]: 18: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,946 INFO L280 TraceCheckUtils]: 19: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,946 INFO L280 TraceCheckUtils]: 20: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,947 INFO L280 TraceCheckUtils]: 21: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,949 INFO L280 TraceCheckUtils]: 22: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,950 INFO L280 TraceCheckUtils]: 23: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,952 INFO L280 TraceCheckUtils]: 24: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,953 INFO L280 TraceCheckUtils]: 25: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,953 INFO L280 TraceCheckUtils]: 26: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,954 INFO L280 TraceCheckUtils]: 27: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:30,955 INFO L280 TraceCheckUtils]: 28: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4896#(not (= 0 main_~__VERIFIER_assert__cond~4))} is VALID [2020-07-17 22:51:30,956 INFO L280 TraceCheckUtils]: 29: Hoare triple {4896#(not (= 0 main_~__VERIFIER_assert__cond~4))} assume 0 == ~__VERIFIER_assert__cond~4; {4890#false} is VALID [2020-07-17 22:51:30,956 INFO L280 TraceCheckUtils]: 30: Hoare triple {4890#false} assume !false; {4890#false} is VALID [2020-07-17 22:51:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:51:30,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749896252] [2020-07-17 22:51:30,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429424939] [2020-07-17 22:51:30,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:51:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:31,014 INFO L264 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-17 22:51:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:31,027 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:51:31,174 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 22:51:31,193 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 22:51:31,239 INFO L263 TraceCheckUtils]: 0: Hoare triple {4889#true} call ULTIMATE.init(); {4889#true} is VALID [2020-07-17 22:51:31,240 INFO L280 TraceCheckUtils]: 1: Hoare triple {4889#true} ~__return_main~0 := 0;~__return_375~0 := 0; {4889#true} is VALID [2020-07-17 22:51:31,241 INFO L280 TraceCheckUtils]: 2: Hoare triple {4889#true} assume true; {4889#true} is VALID [2020-07-17 22:51:31,241 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4889#true} {4889#true} #223#return; {4889#true} is VALID [2020-07-17 22:51:31,242 INFO L263 TraceCheckUtils]: 4: Hoare triple {4889#true} call #t~ret7 := main(); {4889#true} is VALID [2020-07-17 22:51:31,242 INFO L280 TraceCheckUtils]: 5: Hoare triple {4889#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {4889#true} is VALID [2020-07-17 22:51:31,242 INFO L280 TraceCheckUtils]: 6: Hoare triple {4889#true} assume !!(~main__urilen~0 <= 1000000); {4889#true} is VALID [2020-07-17 22:51:31,243 INFO L280 TraceCheckUtils]: 7: Hoare triple {4889#true} assume !!(~main__urilen~0 >= -1000000); {4889#true} is VALID [2020-07-17 22:51:31,243 INFO L280 TraceCheckUtils]: 8: Hoare triple {4889#true} assume !!(~main__tokenlen~0 <= 1000000); {4889#true} is VALID [2020-07-17 22:51:31,243 INFO L280 TraceCheckUtils]: 9: Hoare triple {4889#true} assume !!(~main__tokenlen~0 >= -1000000); {4889#true} is VALID [2020-07-17 22:51:31,244 INFO L280 TraceCheckUtils]: 10: Hoare triple {4889#true} assume !!(~main__scheme~0 <= 1000000); {4889#true} is VALID [2020-07-17 22:51:31,244 INFO L280 TraceCheckUtils]: 11: Hoare triple {4889#true} assume !!(~main__scheme~0 >= -1000000); {4889#true} is VALID [2020-07-17 22:51:31,244 INFO L280 TraceCheckUtils]: 12: Hoare triple {4889#true} assume ~main__urilen~0 > 0; {4889#true} is VALID [2020-07-17 22:51:31,245 INFO L280 TraceCheckUtils]: 13: Hoare triple {4889#true} assume ~main__tokenlen~0 > 0; {4889#true} is VALID [2020-07-17 22:51:31,245 INFO L280 TraceCheckUtils]: 14: Hoare triple {4889#true} assume ~main__scheme~0 >= 0; {4889#true} is VALID [2020-07-17 22:51:31,245 INFO L280 TraceCheckUtils]: 15: Hoare triple {4889#true} assume !(0 == ~main__scheme~0); {4889#true} is VALID [2020-07-17 22:51:31,248 INFO L280 TraceCheckUtils]: 16: Hoare triple {4889#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,250 INFO L280 TraceCheckUtils]: 17: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,251 INFO L280 TraceCheckUtils]: 18: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,251 INFO L280 TraceCheckUtils]: 19: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,252 INFO L280 TraceCheckUtils]: 20: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,253 INFO L280 TraceCheckUtils]: 21: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,254 INFO L280 TraceCheckUtils]: 22: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,255 INFO L280 TraceCheckUtils]: 23: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_1~0);havoc ~__tmp_17~0;~__tmp_17~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~16;~__VERIFIER_assert__cond~16 := ~__tmp_17~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,255 INFO L280 TraceCheckUtils]: 24: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~16);havoc ~__tmp_18~0;~__tmp_18~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~17;~__VERIFIER_assert__cond~17 := ~__tmp_18~0; {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,258 INFO L280 TraceCheckUtils]: 25: Hoare triple {4895#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~17);~main__cp~0 := 1 + ~main__cp~0; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,260 INFO L280 TraceCheckUtils]: 26: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,260 INFO L280 TraceCheckUtils]: 27: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:31,261 INFO L280 TraceCheckUtils]: 28: Hoare triple {4894#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {4985#(<= 1 main_~__VERIFIER_assert__cond~4)} is VALID [2020-07-17 22:51:31,262 INFO L280 TraceCheckUtils]: 29: Hoare triple {4985#(<= 1 main_~__VERIFIER_assert__cond~4)} assume 0 == ~__VERIFIER_assert__cond~4; {4890#false} is VALID [2020-07-17 22:51:31,263 INFO L280 TraceCheckUtils]: 30: Hoare triple {4890#false} assume !false; {4890#false} is VALID [2020-07-17 22:51:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 22:51:31,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:51:31,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2020-07-17 22:51:31,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372594902] [2020-07-17 22:51:31,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-07-17 22:51:31,268 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:31,268 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 22:51:31,323 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:31,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 22:51:31,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:31,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 22:51:31,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 22:51:31,325 INFO L87 Difference]: Start difference. First operand 68 states and 71 transitions. Second operand 7 states. [2020-07-17 22:51:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:31,913 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-07-17 22:51:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:51:31,914 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-07-17 22:51:31,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2020-07-17 22:51:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2020-07-17 22:51:31,921 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 67 transitions. [2020-07-17 22:51:32,062 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:32,065 INFO L225 Difference]: With dead ends: 69 [2020-07-17 22:51:32,065 INFO L226 Difference]: Without dead ends: 67 [2020-07-17 22:51:32,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-17 22:51:32,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2020-07-17 22:51:32,120 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:32,120 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 62 states. [2020-07-17 22:51:32,120 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 62 states. [2020-07-17 22:51:32,121 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 62 states. [2020-07-17 22:51:32,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:32,124 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2020-07-17 22:51:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2020-07-17 22:51:32,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:32,125 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:32,125 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand 67 states. [2020-07-17 22:51:32,125 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 67 states. [2020-07-17 22:51:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:32,128 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2020-07-17 22:51:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2020-07-17 22:51:32,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:32,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:32,129 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:32,129 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-07-17 22:51:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2020-07-17 22:51:32,133 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 31 [2020-07-17 22:51:32,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:32,133 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2020-07-17 22:51:32,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 22:51:32,133 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2020-07-17 22:51:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-17 22:51:32,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:32,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:32,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-17 22:51:32,348 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:32,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:32,350 INFO L82 PathProgramCache]: Analyzing trace with hash -350608983, now seen corresponding path program 1 times [2020-07-17 22:51:32,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:32,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435356073] [2020-07-17 22:51:32,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:32,482 INFO L280 TraceCheckUtils]: 0: Hoare triple {5291#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5283#true} is VALID [2020-07-17 22:51:32,483 INFO L280 TraceCheckUtils]: 1: Hoare triple {5283#true} assume true; {5283#true} is VALID [2020-07-17 22:51:32,483 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5283#true} {5283#true} #223#return; {5283#true} is VALID [2020-07-17 22:51:32,484 INFO L263 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5291#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:32,485 INFO L280 TraceCheckUtils]: 1: Hoare triple {5291#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5283#true} is VALID [2020-07-17 22:51:32,485 INFO L280 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2020-07-17 22:51:32,485 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #223#return; {5283#true} is VALID [2020-07-17 22:51:32,486 INFO L263 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2020-07-17 22:51:32,486 INFO L280 TraceCheckUtils]: 5: Hoare triple {5283#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {5283#true} is VALID [2020-07-17 22:51:32,486 INFO L280 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~main__urilen~0 <= 1000000); {5283#true} is VALID [2020-07-17 22:51:32,486 INFO L280 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~main__urilen~0 >= -1000000); {5283#true} is VALID [2020-07-17 22:51:32,487 INFO L280 TraceCheckUtils]: 8: Hoare triple {5283#true} assume !!(~main__tokenlen~0 <= 1000000); {5283#true} is VALID [2020-07-17 22:51:32,487 INFO L280 TraceCheckUtils]: 9: Hoare triple {5283#true} assume !!(~main__tokenlen~0 >= -1000000); {5283#true} is VALID [2020-07-17 22:51:32,487 INFO L280 TraceCheckUtils]: 10: Hoare triple {5283#true} assume !!(~main__scheme~0 <= 1000000); {5283#true} is VALID [2020-07-17 22:51:32,487 INFO L280 TraceCheckUtils]: 11: Hoare triple {5283#true} assume !!(~main__scheme~0 >= -1000000); {5283#true} is VALID [2020-07-17 22:51:32,488 INFO L280 TraceCheckUtils]: 12: Hoare triple {5283#true} assume ~main__urilen~0 > 0; {5283#true} is VALID [2020-07-17 22:51:32,488 INFO L280 TraceCheckUtils]: 13: Hoare triple {5283#true} assume ~main__tokenlen~0 > 0; {5283#true} is VALID [2020-07-17 22:51:32,488 INFO L280 TraceCheckUtils]: 14: Hoare triple {5283#true} assume ~main__scheme~0 >= 0; {5283#true} is VALID [2020-07-17 22:51:32,488 INFO L280 TraceCheckUtils]: 15: Hoare triple {5283#true} assume !(0 == ~main__scheme~0); {5283#true} is VALID [2020-07-17 22:51:32,489 INFO L280 TraceCheckUtils]: 16: Hoare triple {5283#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,491 INFO L280 TraceCheckUtils]: 17: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,492 INFO L280 TraceCheckUtils]: 18: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,494 INFO L280 TraceCheckUtils]: 19: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,495 INFO L280 TraceCheckUtils]: 20: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,496 INFO L280 TraceCheckUtils]: 21: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,498 INFO L280 TraceCheckUtils]: 22: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,499 INFO L280 TraceCheckUtils]: 23: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,499 INFO L280 TraceCheckUtils]: 24: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,500 INFO L280 TraceCheckUtils]: 25: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,500 INFO L280 TraceCheckUtils]: 26: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,501 INFO L280 TraceCheckUtils]: 27: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,503 INFO L280 TraceCheckUtils]: 28: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,504 INFO L280 TraceCheckUtils]: 29: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,506 INFO L280 TraceCheckUtils]: 30: Hoare triple {5289#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:32,509 INFO L280 TraceCheckUtils]: 31: Hoare triple {5288#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5290#(not (= 0 main_~__VERIFIER_assert__cond~8))} is VALID [2020-07-17 22:51:32,510 INFO L280 TraceCheckUtils]: 32: Hoare triple {5290#(not (= 0 main_~__VERIFIER_assert__cond~8))} assume 0 == ~__VERIFIER_assert__cond~8; {5284#false} is VALID [2020-07-17 22:51:32,510 INFO L280 TraceCheckUtils]: 33: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2020-07-17 22:51:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:32,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435356073] [2020-07-17 22:51:32,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:32,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:32,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147091060] [2020-07-17 22:51:32,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-17 22:51:32,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:32,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:32,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:32,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:32,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:32,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:32,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:32,574 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 6 states. [2020-07-17 22:51:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:33,076 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-07-17 22:51:33,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:51:33,076 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-17 22:51:33,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2020-07-17 22:51:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2020-07-17 22:51:33,083 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2020-07-17 22:51:33,176 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:33,177 INFO L225 Difference]: With dead ends: 63 [2020-07-17 22:51:33,177 INFO L226 Difference]: Without dead ends: 61 [2020-07-17 22:51:33,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-17 22:51:33,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-17 22:51:33,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2020-07-17 22:51:33,222 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:33,222 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 60 states. [2020-07-17 22:51:33,222 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 60 states. [2020-07-17 22:51:33,222 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 60 states. [2020-07-17 22:51:33,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:33,224 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-07-17 22:51:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-07-17 22:51:33,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:33,224 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:33,224 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand 61 states. [2020-07-17 22:51:33,224 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 61 states. [2020-07-17 22:51:33,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:33,226 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-07-17 22:51:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-07-17 22:51:33,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:33,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:33,226 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:33,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-07-17 22:51:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2020-07-17 22:51:33,228 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 34 [2020-07-17 22:51:33,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:33,228 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2020-07-17 22:51:33,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-07-17 22:51:33,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-17 22:51:33,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:33,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:33,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 22:51:33,235 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:33,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:33,236 INFO L82 PathProgramCache]: Analyzing trace with hash 2016026591, now seen corresponding path program 1 times [2020-07-17 22:51:33,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:33,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817173794] [2020-07-17 22:51:33,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:33,338 INFO L280 TraceCheckUtils]: 0: Hoare triple {5573#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5564#true} is VALID [2020-07-17 22:51:33,338 INFO L280 TraceCheckUtils]: 1: Hoare triple {5564#true} assume true; {5564#true} is VALID [2020-07-17 22:51:33,339 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5564#true} {5564#true} #223#return; {5564#true} is VALID [2020-07-17 22:51:33,340 INFO L263 TraceCheckUtils]: 0: Hoare triple {5564#true} call ULTIMATE.init(); {5573#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:33,340 INFO L280 TraceCheckUtils]: 1: Hoare triple {5573#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5564#true} is VALID [2020-07-17 22:51:33,340 INFO L280 TraceCheckUtils]: 2: Hoare triple {5564#true} assume true; {5564#true} is VALID [2020-07-17 22:51:33,340 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5564#true} {5564#true} #223#return; {5564#true} is VALID [2020-07-17 22:51:33,340 INFO L263 TraceCheckUtils]: 4: Hoare triple {5564#true} call #t~ret7 := main(); {5564#true} is VALID [2020-07-17 22:51:33,341 INFO L280 TraceCheckUtils]: 5: Hoare triple {5564#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {5564#true} is VALID [2020-07-17 22:51:33,341 INFO L280 TraceCheckUtils]: 6: Hoare triple {5564#true} assume !!(~main__urilen~0 <= 1000000); {5564#true} is VALID [2020-07-17 22:51:33,341 INFO L280 TraceCheckUtils]: 7: Hoare triple {5564#true} assume !!(~main__urilen~0 >= -1000000); {5564#true} is VALID [2020-07-17 22:51:33,341 INFO L280 TraceCheckUtils]: 8: Hoare triple {5564#true} assume !!(~main__tokenlen~0 <= 1000000); {5564#true} is VALID [2020-07-17 22:51:33,341 INFO L280 TraceCheckUtils]: 9: Hoare triple {5564#true} assume !!(~main__tokenlen~0 >= -1000000); {5564#true} is VALID [2020-07-17 22:51:33,342 INFO L280 TraceCheckUtils]: 10: Hoare triple {5564#true} assume !!(~main__scheme~0 <= 1000000); {5564#true} is VALID [2020-07-17 22:51:33,342 INFO L280 TraceCheckUtils]: 11: Hoare triple {5564#true} assume !!(~main__scheme~0 >= -1000000); {5564#true} is VALID [2020-07-17 22:51:33,342 INFO L280 TraceCheckUtils]: 12: Hoare triple {5564#true} assume ~main__urilen~0 > 0; {5564#true} is VALID [2020-07-17 22:51:33,342 INFO L280 TraceCheckUtils]: 13: Hoare triple {5564#true} assume ~main__tokenlen~0 > 0; {5564#true} is VALID [2020-07-17 22:51:33,344 INFO L280 TraceCheckUtils]: 14: Hoare triple {5564#true} assume ~main__scheme~0 >= 0; {5569#(<= 0 main_~main__scheme~0)} is VALID [2020-07-17 22:51:33,345 INFO L280 TraceCheckUtils]: 15: Hoare triple {5569#(<= 0 main_~main__scheme~0)} assume !(0 == ~main__scheme~0); {5569#(<= 0 main_~main__scheme~0)} is VALID [2020-07-17 22:51:33,346 INFO L280 TraceCheckUtils]: 16: Hoare triple {5569#(<= 0 main_~main__scheme~0)} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,347 INFO L280 TraceCheckUtils]: 17: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,347 INFO L280 TraceCheckUtils]: 18: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,348 INFO L280 TraceCheckUtils]: 19: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,348 INFO L280 TraceCheckUtils]: 20: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,349 INFO L280 TraceCheckUtils]: 21: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,349 INFO L280 TraceCheckUtils]: 22: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,350 INFO L280 TraceCheckUtils]: 23: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,350 INFO L280 TraceCheckUtils]: 24: Hoare triple {5570#(<= 0 main_~main__cp~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,351 INFO L280 TraceCheckUtils]: 25: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,351 INFO L280 TraceCheckUtils]: 26: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,352 INFO L280 TraceCheckUtils]: 27: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,352 INFO L280 TraceCheckUtils]: 28: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,353 INFO L280 TraceCheckUtils]: 29: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {5570#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,355 INFO L280 TraceCheckUtils]: 30: Hoare triple {5570#(<= 0 main_~main__cp~0)} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {5571#(<= 1 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,360 INFO L280 TraceCheckUtils]: 31: Hoare triple {5571#(<= 1 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5571#(<= 1 main_~main__cp~0)} is VALID [2020-07-17 22:51:33,360 INFO L280 TraceCheckUtils]: 32: Hoare triple {5571#(<= 1 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {5572#(not (= 0 main_~__VERIFIER_assert__cond~9))} is VALID [2020-07-17 22:51:33,361 INFO L280 TraceCheckUtils]: 33: Hoare triple {5572#(not (= 0 main_~__VERIFIER_assert__cond~9))} assume 0 == ~__VERIFIER_assert__cond~9; {5565#false} is VALID [2020-07-17 22:51:33,361 INFO L280 TraceCheckUtils]: 34: Hoare triple {5565#false} assume !false; {5565#false} is VALID [2020-07-17 22:51:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:33,362 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817173794] [2020-07-17 22:51:33,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:33,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 22:51:33,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612306083] [2020-07-17 22:51:33,363 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-17 22:51:33,364 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:33,364 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 22:51:33,410 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:33,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 22:51:33,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:33,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 22:51:33,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-17 22:51:33,412 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 7 states. [2020-07-17 22:51:33,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:33,975 INFO L93 Difference]: Finished difference Result 71 states and 74 transitions. [2020-07-17 22:51:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:51:33,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-17 22:51:33,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 74 transitions. [2020-07-17 22:51:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 22:51:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 74 transitions. [2020-07-17 22:51:33,979 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 74 transitions. [2020-07-17 22:51:34,075 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:34,076 INFO L225 Difference]: With dead ends: 71 [2020-07-17 22:51:34,076 INFO L226 Difference]: Without dead ends: 69 [2020-07-17 22:51:34,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:34,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-07-17 22:51:34,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 58. [2020-07-17 22:51:34,122 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:34,122 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand 58 states. [2020-07-17 22:51:34,122 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 58 states. [2020-07-17 22:51:34,122 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 58 states. [2020-07-17 22:51:34,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:34,124 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-07-17 22:51:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2020-07-17 22:51:34,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:34,124 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:34,124 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 69 states. [2020-07-17 22:51:34,125 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 69 states. [2020-07-17 22:51:34,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:34,126 INFO L93 Difference]: Finished difference Result 69 states and 72 transitions. [2020-07-17 22:51:34,126 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 72 transitions. [2020-07-17 22:51:34,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:34,127 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:34,127 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:34,127 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-17 22:51:34,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2020-07-17 22:51:34,128 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 35 [2020-07-17 22:51:34,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:34,129 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2020-07-17 22:51:34,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 22:51:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2020-07-17 22:51:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 22:51:34,130 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:34,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:34,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-17 22:51:34,130 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:34,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:34,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1371399406, now seen corresponding path program 1 times [2020-07-17 22:51:34,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:34,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102856979] [2020-07-17 22:51:34,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:34,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {5877#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5869#true} is VALID [2020-07-17 22:51:34,227 INFO L280 TraceCheckUtils]: 1: Hoare triple {5869#true} assume true; {5869#true} is VALID [2020-07-17 22:51:34,228 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {5869#true} {5869#true} #223#return; {5869#true} is VALID [2020-07-17 22:51:34,230 INFO L263 TraceCheckUtils]: 0: Hoare triple {5869#true} call ULTIMATE.init(); {5877#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:34,231 INFO L280 TraceCheckUtils]: 1: Hoare triple {5877#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {5869#true} is VALID [2020-07-17 22:51:34,231 INFO L280 TraceCheckUtils]: 2: Hoare triple {5869#true} assume true; {5869#true} is VALID [2020-07-17 22:51:34,231 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {5869#true} {5869#true} #223#return; {5869#true} is VALID [2020-07-17 22:51:34,231 INFO L263 TraceCheckUtils]: 4: Hoare triple {5869#true} call #t~ret7 := main(); {5869#true} is VALID [2020-07-17 22:51:34,231 INFO L280 TraceCheckUtils]: 5: Hoare triple {5869#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {5869#true} is VALID [2020-07-17 22:51:34,232 INFO L280 TraceCheckUtils]: 6: Hoare triple {5869#true} assume !!(~main__urilen~0 <= 1000000); {5869#true} is VALID [2020-07-17 22:51:34,232 INFO L280 TraceCheckUtils]: 7: Hoare triple {5869#true} assume !!(~main__urilen~0 >= -1000000); {5869#true} is VALID [2020-07-17 22:51:34,232 INFO L280 TraceCheckUtils]: 8: Hoare triple {5869#true} assume !!(~main__tokenlen~0 <= 1000000); {5869#true} is VALID [2020-07-17 22:51:34,232 INFO L280 TraceCheckUtils]: 9: Hoare triple {5869#true} assume !!(~main__tokenlen~0 >= -1000000); {5869#true} is VALID [2020-07-17 22:51:34,233 INFO L280 TraceCheckUtils]: 10: Hoare triple {5869#true} assume !!(~main__scheme~0 <= 1000000); {5869#true} is VALID [2020-07-17 22:51:34,233 INFO L280 TraceCheckUtils]: 11: Hoare triple {5869#true} assume !!(~main__scheme~0 >= -1000000); {5869#true} is VALID [2020-07-17 22:51:34,233 INFO L280 TraceCheckUtils]: 12: Hoare triple {5869#true} assume ~main__urilen~0 > 0; {5869#true} is VALID [2020-07-17 22:51:34,233 INFO L280 TraceCheckUtils]: 13: Hoare triple {5869#true} assume ~main__tokenlen~0 > 0; {5869#true} is VALID [2020-07-17 22:51:34,233 INFO L280 TraceCheckUtils]: 14: Hoare triple {5869#true} assume ~main__scheme~0 >= 0; {5869#true} is VALID [2020-07-17 22:51:34,233 INFO L280 TraceCheckUtils]: 15: Hoare triple {5869#true} assume !(0 == ~main__scheme~0); {5869#true} is VALID [2020-07-17 22:51:34,234 INFO L280 TraceCheckUtils]: 16: Hoare triple {5869#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {5869#true} is VALID [2020-07-17 22:51:34,234 INFO L280 TraceCheckUtils]: 17: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {5869#true} is VALID [2020-07-17 22:51:34,234 INFO L280 TraceCheckUtils]: 18: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {5869#true} is VALID [2020-07-17 22:51:34,241 INFO L280 TraceCheckUtils]: 19: Hoare triple {5869#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {5869#true} is VALID [2020-07-17 22:51:34,241 INFO L280 TraceCheckUtils]: 20: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {5869#true} is VALID [2020-07-17 22:51:34,242 INFO L280 TraceCheckUtils]: 21: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~3); {5869#true} is VALID [2020-07-17 22:51:34,243 INFO L280 TraceCheckUtils]: 22: Hoare triple {5869#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {5869#true} is VALID [2020-07-17 22:51:34,243 INFO L280 TraceCheckUtils]: 23: Hoare triple {5869#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {5869#true} is VALID [2020-07-17 22:51:34,244 INFO L280 TraceCheckUtils]: 24: Hoare triple {5869#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {5869#true} is VALID [2020-07-17 22:51:34,244 INFO L280 TraceCheckUtils]: 25: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {5869#true} is VALID [2020-07-17 22:51:34,244 INFO L280 TraceCheckUtils]: 26: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~5); {5869#true} is VALID [2020-07-17 22:51:34,244 INFO L280 TraceCheckUtils]: 27: Hoare triple {5869#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {5869#true} is VALID [2020-07-17 22:51:34,245 INFO L280 TraceCheckUtils]: 28: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {5869#true} is VALID [2020-07-17 22:51:34,245 INFO L280 TraceCheckUtils]: 29: Hoare triple {5869#true} assume !(0 == ~__VERIFIER_assert__cond~7); {5869#true} is VALID [2020-07-17 22:51:34,245 INFO L280 TraceCheckUtils]: 30: Hoare triple {5869#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {5869#true} is VALID [2020-07-17 22:51:34,247 INFO L280 TraceCheckUtils]: 31: Hoare triple {5869#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {5874#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} is VALID [2020-07-17 22:51:34,249 INFO L280 TraceCheckUtils]: 32: Hoare triple {5874#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {5875#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:34,251 INFO L280 TraceCheckUtils]: 33: Hoare triple {5875#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {5875#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:34,252 INFO L280 TraceCheckUtils]: 34: Hoare triple {5875#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {5875#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:34,253 INFO L280 TraceCheckUtils]: 35: Hoare triple {5875#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {5876#(not (= main_~__VERIFIER_assert__cond~10 0))} is VALID [2020-07-17 22:51:34,253 INFO L280 TraceCheckUtils]: 36: Hoare triple {5876#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {5870#false} is VALID [2020-07-17 22:51:34,253 INFO L280 TraceCheckUtils]: 37: Hoare triple {5870#false} assume !false; {5870#false} is VALID [2020-07-17 22:51:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:34,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102856979] [2020-07-17 22:51:34,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:34,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:34,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030622791] [2020-07-17 22:51:34,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-17 22:51:34,257 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:34,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:34,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:34,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:34,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:34,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:34,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:34,308 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand 6 states. [2020-07-17 22:51:35,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:35,318 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2020-07-17 22:51:35,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 22:51:35,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-17 22:51:35,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-17 22:51:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-17 22:51:35,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 95 transitions. [2020-07-17 22:51:35,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:35,527 INFO L225 Difference]: With dead ends: 91 [2020-07-17 22:51:35,527 INFO L226 Difference]: Without dead ends: 89 [2020-07-17 22:51:35,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:35,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-17 22:51:35,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 61. [2020-07-17 22:51:35,620 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:35,621 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand 61 states. [2020-07-17 22:51:35,621 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand 61 states. [2020-07-17 22:51:35,621 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 61 states. [2020-07-17 22:51:35,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:35,627 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2020-07-17 22:51:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2020-07-17 22:51:35,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:35,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:35,628 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 89 states. [2020-07-17 22:51:35,629 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 89 states. [2020-07-17 22:51:35,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:35,632 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2020-07-17 22:51:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2020-07-17 22:51:35,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:35,633 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:35,633 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:35,633 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-17 22:51:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2020-07-17 22:51:35,637 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 38 [2020-07-17 22:51:35,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:35,637 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2020-07-17 22:51:35,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-07-17 22:51:35,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-07-17 22:51:35,638 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:35,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:35,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-17 22:51:35,639 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:35,640 INFO L82 PathProgramCache]: Analyzing trace with hash 436294569, now seen corresponding path program 1 times [2020-07-17 22:51:35,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:35,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463494661] [2020-07-17 22:51:35,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:35,769 INFO L280 TraceCheckUtils]: 0: Hoare triple {6250#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6242#true} is VALID [2020-07-17 22:51:35,770 INFO L280 TraceCheckUtils]: 1: Hoare triple {6242#true} assume true; {6242#true} is VALID [2020-07-17 22:51:35,771 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6242#true} {6242#true} #223#return; {6242#true} is VALID [2020-07-17 22:51:35,773 INFO L263 TraceCheckUtils]: 0: Hoare triple {6242#true} call ULTIMATE.init(); {6250#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:35,773 INFO L280 TraceCheckUtils]: 1: Hoare triple {6250#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6242#true} is VALID [2020-07-17 22:51:35,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {6242#true} assume true; {6242#true} is VALID [2020-07-17 22:51:35,774 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6242#true} {6242#true} #223#return; {6242#true} is VALID [2020-07-17 22:51:35,774 INFO L263 TraceCheckUtils]: 4: Hoare triple {6242#true} call #t~ret7 := main(); {6242#true} is VALID [2020-07-17 22:51:35,774 INFO L280 TraceCheckUtils]: 5: Hoare triple {6242#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {6242#true} is VALID [2020-07-17 22:51:35,774 INFO L280 TraceCheckUtils]: 6: Hoare triple {6242#true} assume !!(~main__urilen~0 <= 1000000); {6242#true} is VALID [2020-07-17 22:51:35,774 INFO L280 TraceCheckUtils]: 7: Hoare triple {6242#true} assume !!(~main__urilen~0 >= -1000000); {6242#true} is VALID [2020-07-17 22:51:35,775 INFO L280 TraceCheckUtils]: 8: Hoare triple {6242#true} assume !!(~main__tokenlen~0 <= 1000000); {6242#true} is VALID [2020-07-17 22:51:35,775 INFO L280 TraceCheckUtils]: 9: Hoare triple {6242#true} assume !!(~main__tokenlen~0 >= -1000000); {6242#true} is VALID [2020-07-17 22:51:35,775 INFO L280 TraceCheckUtils]: 10: Hoare triple {6242#true} assume !!(~main__scheme~0 <= 1000000); {6242#true} is VALID [2020-07-17 22:51:35,775 INFO L280 TraceCheckUtils]: 11: Hoare triple {6242#true} assume !!(~main__scheme~0 >= -1000000); {6242#true} is VALID [2020-07-17 22:51:35,775 INFO L280 TraceCheckUtils]: 12: Hoare triple {6242#true} assume ~main__urilen~0 > 0; {6242#true} is VALID [2020-07-17 22:51:35,776 INFO L280 TraceCheckUtils]: 13: Hoare triple {6242#true} assume ~main__tokenlen~0 > 0; {6242#true} is VALID [2020-07-17 22:51:35,776 INFO L280 TraceCheckUtils]: 14: Hoare triple {6242#true} assume ~main__scheme~0 >= 0; {6242#true} is VALID [2020-07-17 22:51:35,776 INFO L280 TraceCheckUtils]: 15: Hoare triple {6242#true} assume !(0 == ~main__scheme~0); {6242#true} is VALID [2020-07-17 22:51:35,777 INFO L280 TraceCheckUtils]: 16: Hoare triple {6242#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6242#true} is VALID [2020-07-17 22:51:35,778 INFO L280 TraceCheckUtils]: 17: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6242#true} is VALID [2020-07-17 22:51:35,778 INFO L280 TraceCheckUtils]: 18: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {6242#true} is VALID [2020-07-17 22:51:35,778 INFO L280 TraceCheckUtils]: 19: Hoare triple {6242#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6242#true} is VALID [2020-07-17 22:51:35,779 INFO L280 TraceCheckUtils]: 20: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6242#true} is VALID [2020-07-17 22:51:35,779 INFO L280 TraceCheckUtils]: 21: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~3); {6242#true} is VALID [2020-07-17 22:51:35,779 INFO L280 TraceCheckUtils]: 22: Hoare triple {6242#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {6242#true} is VALID [2020-07-17 22:51:35,780 INFO L280 TraceCheckUtils]: 23: Hoare triple {6242#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {6242#true} is VALID [2020-07-17 22:51:35,780 INFO L280 TraceCheckUtils]: 24: Hoare triple {6242#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6242#true} is VALID [2020-07-17 22:51:35,780 INFO L280 TraceCheckUtils]: 25: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6242#true} is VALID [2020-07-17 22:51:35,780 INFO L280 TraceCheckUtils]: 26: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~5); {6242#true} is VALID [2020-07-17 22:51:35,781 INFO L280 TraceCheckUtils]: 27: Hoare triple {6242#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6242#true} is VALID [2020-07-17 22:51:35,781 INFO L280 TraceCheckUtils]: 28: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {6242#true} is VALID [2020-07-17 22:51:35,781 INFO L280 TraceCheckUtils]: 29: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~7); {6242#true} is VALID [2020-07-17 22:51:35,781 INFO L280 TraceCheckUtils]: 30: Hoare triple {6242#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {6242#true} is VALID [2020-07-17 22:51:35,782 INFO L280 TraceCheckUtils]: 31: Hoare triple {6242#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {6242#true} is VALID [2020-07-17 22:51:35,783 INFO L280 TraceCheckUtils]: 32: Hoare triple {6242#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {6247#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} is VALID [2020-07-17 22:51:35,784 INFO L280 TraceCheckUtils]: 33: Hoare triple {6247#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} assume !(0 == ~__VERIFIER_assert__cond~9); {6248#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:35,784 INFO L280 TraceCheckUtils]: 34: Hoare triple {6248#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {6248#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:35,785 INFO L280 TraceCheckUtils]: 35: Hoare triple {6248#(<= 0 main_~main__cp~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {6248#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:35,786 INFO L280 TraceCheckUtils]: 36: Hoare triple {6248#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {6249#(not (= main_~__VERIFIER_assert__cond~11 0))} is VALID [2020-07-17 22:51:35,786 INFO L280 TraceCheckUtils]: 37: Hoare triple {6249#(not (= main_~__VERIFIER_assert__cond~11 0))} assume 0 == ~__VERIFIER_assert__cond~11; {6243#false} is VALID [2020-07-17 22:51:35,787 INFO L280 TraceCheckUtils]: 38: Hoare triple {6243#false} assume !false; {6243#false} is VALID [2020-07-17 22:51:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:35,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463494661] [2020-07-17 22:51:35,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:35,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:35,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158964530] [2020-07-17 22:51:35,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-07-17 22:51:35,793 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:35,793 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:35,847 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:35,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:35,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:35,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:35,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:35,849 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 6 states. [2020-07-17 22:51:36,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:36,376 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-07-17 22:51:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:36,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-07-17 22:51:36,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2020-07-17 22:51:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2020-07-17 22:51:36,378 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 63 transitions. [2020-07-17 22:51:36,454 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:36,455 INFO L225 Difference]: With dead ends: 61 [2020-07-17 22:51:36,455 INFO L226 Difference]: Without dead ends: 59 [2020-07-17 22:51:36,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-07-17 22:51:36,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-07-17 22:51:36,531 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:36,531 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 59 states. [2020-07-17 22:51:36,531 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-17 22:51:36,531 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-17 22:51:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:36,533 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2020-07-17 22:51:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-17 22:51:36,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:36,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:36,534 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 59 states. [2020-07-17 22:51:36,534 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 59 states. [2020-07-17 22:51:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:36,535 INFO L93 Difference]: Finished difference Result 59 states and 61 transitions. [2020-07-17 22:51:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-17 22:51:36,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:36,536 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:36,536 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:36,536 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-17 22:51:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 61 transitions. [2020-07-17 22:51:36,537 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 61 transitions. Word has length 39 [2020-07-17 22:51:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:36,538 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 61 transitions. [2020-07-17 22:51:36,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2020-07-17 22:51:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-17 22:51:36,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:36,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:36,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-17 22:51:36,539 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:36,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:36,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1627614740, now seen corresponding path program 1 times [2020-07-17 22:51:36,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:36,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54543591] [2020-07-17 22:51:36,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:36,615 INFO L280 TraceCheckUtils]: 0: Hoare triple {6523#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6515#true} is VALID [2020-07-17 22:51:36,616 INFO L280 TraceCheckUtils]: 1: Hoare triple {6515#true} assume true; {6515#true} is VALID [2020-07-17 22:51:36,616 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6515#true} {6515#true} #223#return; {6515#true} is VALID [2020-07-17 22:51:36,617 INFO L263 TraceCheckUtils]: 0: Hoare triple {6515#true} call ULTIMATE.init(); {6523#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:36,617 INFO L280 TraceCheckUtils]: 1: Hoare triple {6523#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6515#true} is VALID [2020-07-17 22:51:36,617 INFO L280 TraceCheckUtils]: 2: Hoare triple {6515#true} assume true; {6515#true} is VALID [2020-07-17 22:51:36,617 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6515#true} {6515#true} #223#return; {6515#true} is VALID [2020-07-17 22:51:36,618 INFO L263 TraceCheckUtils]: 4: Hoare triple {6515#true} call #t~ret7 := main(); {6515#true} is VALID [2020-07-17 22:51:36,618 INFO L280 TraceCheckUtils]: 5: Hoare triple {6515#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {6515#true} is VALID [2020-07-17 22:51:36,618 INFO L280 TraceCheckUtils]: 6: Hoare triple {6515#true} assume !!(~main__urilen~0 <= 1000000); {6515#true} is VALID [2020-07-17 22:51:36,618 INFO L280 TraceCheckUtils]: 7: Hoare triple {6515#true} assume !!(~main__urilen~0 >= -1000000); {6515#true} is VALID [2020-07-17 22:51:36,619 INFO L280 TraceCheckUtils]: 8: Hoare triple {6515#true} assume !!(~main__tokenlen~0 <= 1000000); {6515#true} is VALID [2020-07-17 22:51:36,619 INFO L280 TraceCheckUtils]: 9: Hoare triple {6515#true} assume !!(~main__tokenlen~0 >= -1000000); {6515#true} is VALID [2020-07-17 22:51:36,619 INFO L280 TraceCheckUtils]: 10: Hoare triple {6515#true} assume !!(~main__scheme~0 <= 1000000); {6515#true} is VALID [2020-07-17 22:51:36,619 INFO L280 TraceCheckUtils]: 11: Hoare triple {6515#true} assume !!(~main__scheme~0 >= -1000000); {6515#true} is VALID [2020-07-17 22:51:36,619 INFO L280 TraceCheckUtils]: 12: Hoare triple {6515#true} assume ~main__urilen~0 > 0; {6515#true} is VALID [2020-07-17 22:51:36,620 INFO L280 TraceCheckUtils]: 13: Hoare triple {6515#true} assume ~main__tokenlen~0 > 0; {6515#true} is VALID [2020-07-17 22:51:36,620 INFO L280 TraceCheckUtils]: 14: Hoare triple {6515#true} assume ~main__scheme~0 >= 0; {6515#true} is VALID [2020-07-17 22:51:36,620 INFO L280 TraceCheckUtils]: 15: Hoare triple {6515#true} assume !(0 == ~main__scheme~0); {6515#true} is VALID [2020-07-17 22:51:36,620 INFO L280 TraceCheckUtils]: 16: Hoare triple {6515#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6515#true} is VALID [2020-07-17 22:51:36,620 INFO L280 TraceCheckUtils]: 17: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6515#true} is VALID [2020-07-17 22:51:36,621 INFO L280 TraceCheckUtils]: 18: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {6515#true} is VALID [2020-07-17 22:51:36,621 INFO L280 TraceCheckUtils]: 19: Hoare triple {6515#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6515#true} is VALID [2020-07-17 22:51:36,621 INFO L280 TraceCheckUtils]: 20: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6515#true} is VALID [2020-07-17 22:51:36,621 INFO L280 TraceCheckUtils]: 21: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~3); {6515#true} is VALID [2020-07-17 22:51:36,621 INFO L280 TraceCheckUtils]: 22: Hoare triple {6515#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {6515#true} is VALID [2020-07-17 22:51:36,621 INFO L280 TraceCheckUtils]: 23: Hoare triple {6515#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {6515#true} is VALID [2020-07-17 22:51:36,622 INFO L280 TraceCheckUtils]: 24: Hoare triple {6515#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6515#true} is VALID [2020-07-17 22:51:36,622 INFO L280 TraceCheckUtils]: 25: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6515#true} is VALID [2020-07-17 22:51:36,622 INFO L280 TraceCheckUtils]: 26: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~5); {6515#true} is VALID [2020-07-17 22:51:36,622 INFO L280 TraceCheckUtils]: 27: Hoare triple {6515#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6515#true} is VALID [2020-07-17 22:51:36,622 INFO L280 TraceCheckUtils]: 28: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {6515#true} is VALID [2020-07-17 22:51:36,622 INFO L280 TraceCheckUtils]: 29: Hoare triple {6515#true} assume !(0 == ~__VERIFIER_assert__cond~7); {6515#true} is VALID [2020-07-17 22:51:36,623 INFO L280 TraceCheckUtils]: 30: Hoare triple {6515#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {6515#true} is VALID [2020-07-17 22:51:36,623 INFO L280 TraceCheckUtils]: 31: Hoare triple {6515#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {6520#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:36,624 INFO L280 TraceCheckUtils]: 32: Hoare triple {6520#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {6520#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:36,625 INFO L280 TraceCheckUtils]: 33: Hoare triple {6520#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {6520#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:36,625 INFO L280 TraceCheckUtils]: 34: Hoare triple {6520#(= 0 main_~main__c~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {6520#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:36,626 INFO L280 TraceCheckUtils]: 35: Hoare triple {6520#(= 0 main_~main__c~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} is VALID [2020-07-17 22:51:36,627 INFO L280 TraceCheckUtils]: 36: Hoare triple {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} is VALID [2020-07-17 22:51:36,628 INFO L280 TraceCheckUtils]: 37: Hoare triple {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} is VALID [2020-07-17 22:51:36,642 INFO L280 TraceCheckUtils]: 38: Hoare triple {6521#(and (= 0 main_~main__c~0) (<= (+ main_~main__c~0 2) main_~main__tokenlen~0))} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {6522#(not (= main_~__VERIFIER_assert__cond~12 0))} is VALID [2020-07-17 22:51:36,643 INFO L280 TraceCheckUtils]: 39: Hoare triple {6522#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {6516#false} is VALID [2020-07-17 22:51:36,643 INFO L280 TraceCheckUtils]: 40: Hoare triple {6516#false} assume !false; {6516#false} is VALID [2020-07-17 22:51:36,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:36,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54543591] [2020-07-17 22:51:36,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:36,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:36,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223096329] [2020-07-17 22:51:36,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-07-17 22:51:36,646 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:36,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:36,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:36,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:36,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:36,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:36,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:36,693 INFO L87 Difference]: Start difference. First operand 59 states and 61 transitions. Second operand 6 states. [2020-07-17 22:51:37,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:37,137 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2020-07-17 22:51:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:37,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-07-17 22:51:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 72 transitions. [2020-07-17 22:51:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 72 transitions. [2020-07-17 22:51:37,142 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 72 transitions. [2020-07-17 22:51:37,239 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:37,241 INFO L225 Difference]: With dead ends: 70 [2020-07-17 22:51:37,241 INFO L226 Difference]: Without dead ends: 68 [2020-07-17 22:51:37,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-07-17 22:51:37,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-07-17 22:51:37,335 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:37,335 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand 66 states. [2020-07-17 22:51:37,336 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand 66 states. [2020-07-17 22:51:37,336 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 66 states. [2020-07-17 22:51:37,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:37,337 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-17 22:51:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-17 22:51:37,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:37,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:37,338 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 68 states. [2020-07-17 22:51:37,338 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 68 states. [2020-07-17 22:51:37,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:37,340 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-17 22:51:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 71 transitions. [2020-07-17 22:51:37,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:37,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:37,341 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:37,341 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-17 22:51:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2020-07-17 22:51:37,342 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 41 [2020-07-17 22:51:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:37,342 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2020-07-17 22:51:37,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2020-07-17 22:51:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-17 22:51:37,343 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:37,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:37,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-17 22:51:37,344 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:37,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:37,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1083553822, now seen corresponding path program 1 times [2020-07-17 22:51:37,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:37,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259011795] [2020-07-17 22:51:37,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:37,432 INFO L280 TraceCheckUtils]: 0: Hoare triple {6834#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6826#true} is VALID [2020-07-17 22:51:37,433 INFO L280 TraceCheckUtils]: 1: Hoare triple {6826#true} assume true; {6826#true} is VALID [2020-07-17 22:51:37,433 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {6826#true} {6826#true} #223#return; {6826#true} is VALID [2020-07-17 22:51:37,437 INFO L263 TraceCheckUtils]: 0: Hoare triple {6826#true} call ULTIMATE.init(); {6834#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:37,438 INFO L280 TraceCheckUtils]: 1: Hoare triple {6834#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {6826#true} is VALID [2020-07-17 22:51:37,438 INFO L280 TraceCheckUtils]: 2: Hoare triple {6826#true} assume true; {6826#true} is VALID [2020-07-17 22:51:37,438 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6826#true} {6826#true} #223#return; {6826#true} is VALID [2020-07-17 22:51:37,438 INFO L263 TraceCheckUtils]: 4: Hoare triple {6826#true} call #t~ret7 := main(); {6826#true} is VALID [2020-07-17 22:51:37,438 INFO L280 TraceCheckUtils]: 5: Hoare triple {6826#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {6826#true} is VALID [2020-07-17 22:51:37,438 INFO L280 TraceCheckUtils]: 6: Hoare triple {6826#true} assume !!(~main__urilen~0 <= 1000000); {6826#true} is VALID [2020-07-17 22:51:37,439 INFO L280 TraceCheckUtils]: 7: Hoare triple {6826#true} assume !!(~main__urilen~0 >= -1000000); {6826#true} is VALID [2020-07-17 22:51:37,439 INFO L280 TraceCheckUtils]: 8: Hoare triple {6826#true} assume !!(~main__tokenlen~0 <= 1000000); {6826#true} is VALID [2020-07-17 22:51:37,439 INFO L280 TraceCheckUtils]: 9: Hoare triple {6826#true} assume !!(~main__tokenlen~0 >= -1000000); {6826#true} is VALID [2020-07-17 22:51:37,439 INFO L280 TraceCheckUtils]: 10: Hoare triple {6826#true} assume !!(~main__scheme~0 <= 1000000); {6826#true} is VALID [2020-07-17 22:51:37,439 INFO L280 TraceCheckUtils]: 11: Hoare triple {6826#true} assume !!(~main__scheme~0 >= -1000000); {6826#true} is VALID [2020-07-17 22:51:37,440 INFO L280 TraceCheckUtils]: 12: Hoare triple {6826#true} assume ~main__urilen~0 > 0; {6826#true} is VALID [2020-07-17 22:51:37,440 INFO L280 TraceCheckUtils]: 13: Hoare triple {6826#true} assume ~main__tokenlen~0 > 0; {6826#true} is VALID [2020-07-17 22:51:37,440 INFO L280 TraceCheckUtils]: 14: Hoare triple {6826#true} assume ~main__scheme~0 >= 0; {6826#true} is VALID [2020-07-17 22:51:37,440 INFO L280 TraceCheckUtils]: 15: Hoare triple {6826#true} assume !(0 == ~main__scheme~0); {6826#true} is VALID [2020-07-17 22:51:37,440 INFO L280 TraceCheckUtils]: 16: Hoare triple {6826#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {6826#true} is VALID [2020-07-17 22:51:37,440 INFO L280 TraceCheckUtils]: 17: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {6826#true} is VALID [2020-07-17 22:51:37,440 INFO L280 TraceCheckUtils]: 18: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {6826#true} is VALID [2020-07-17 22:51:37,441 INFO L280 TraceCheckUtils]: 19: Hoare triple {6826#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {6826#true} is VALID [2020-07-17 22:51:37,441 INFO L280 TraceCheckUtils]: 20: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {6826#true} is VALID [2020-07-17 22:51:37,441 INFO L280 TraceCheckUtils]: 21: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~3); {6826#true} is VALID [2020-07-17 22:51:37,441 INFO L280 TraceCheckUtils]: 22: Hoare triple {6826#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {6826#true} is VALID [2020-07-17 22:51:37,441 INFO L280 TraceCheckUtils]: 23: Hoare triple {6826#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {6826#true} is VALID [2020-07-17 22:51:37,441 INFO L280 TraceCheckUtils]: 24: Hoare triple {6826#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {6826#true} is VALID [2020-07-17 22:51:37,442 INFO L280 TraceCheckUtils]: 25: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {6826#true} is VALID [2020-07-17 22:51:37,442 INFO L280 TraceCheckUtils]: 26: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~5); {6826#true} is VALID [2020-07-17 22:51:37,442 INFO L280 TraceCheckUtils]: 27: Hoare triple {6826#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {6826#true} is VALID [2020-07-17 22:51:37,442 INFO L280 TraceCheckUtils]: 28: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {6826#true} is VALID [2020-07-17 22:51:37,442 INFO L280 TraceCheckUtils]: 29: Hoare triple {6826#true} assume !(0 == ~__VERIFIER_assert__cond~7); {6826#true} is VALID [2020-07-17 22:51:37,443 INFO L280 TraceCheckUtils]: 30: Hoare triple {6826#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {6826#true} is VALID [2020-07-17 22:51:37,443 INFO L280 TraceCheckUtils]: 31: Hoare triple {6826#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,444 INFO L280 TraceCheckUtils]: 32: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,444 INFO L280 TraceCheckUtils]: 33: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {6831#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,445 INFO L280 TraceCheckUtils]: 34: Hoare triple {6831#(= 0 main_~main__c~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,445 INFO L280 TraceCheckUtils]: 35: Hoare triple {6831#(= 0 main_~main__c~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,446 INFO L280 TraceCheckUtils]: 36: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,446 INFO L280 TraceCheckUtils]: 37: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {6831#(= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,447 INFO L280 TraceCheckUtils]: 38: Hoare triple {6831#(= 0 main_~main__c~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {6832#(<= 0 main_~main__c~0)} is VALID [2020-07-17 22:51:37,448 INFO L280 TraceCheckUtils]: 39: Hoare triple {6832#(<= 0 main_~main__c~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {6833#(not (= main_~__VERIFIER_assert__cond~13 0))} is VALID [2020-07-17 22:51:37,448 INFO L280 TraceCheckUtils]: 40: Hoare triple {6833#(not (= main_~__VERIFIER_assert__cond~13 0))} assume 0 == ~__VERIFIER_assert__cond~13; {6827#false} is VALID [2020-07-17 22:51:37,448 INFO L280 TraceCheckUtils]: 41: Hoare triple {6827#false} assume !false; {6827#false} is VALID [2020-07-17 22:51:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:37,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259011795] [2020-07-17 22:51:37,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:37,450 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:37,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248940085] [2020-07-17 22:51:37,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-07-17 22:51:37,451 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:37,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:37,491 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:37,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:37,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:37,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:37,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:37,492 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2020-07-17 22:51:38,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:38,052 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-07-17 22:51:38,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:38,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-07-17 22:51:38,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-17 22:51:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 68 transitions. [2020-07-17 22:51:38,059 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 68 transitions. [2020-07-17 22:51:38,208 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:38,210 INFO L225 Difference]: With dead ends: 68 [2020-07-17 22:51:38,210 INFO L226 Difference]: Without dead ends: 66 [2020-07-17 22:51:38,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:38,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-17 22:51:38,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-07-17 22:51:38,321 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:38,321 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand 64 states. [2020-07-17 22:51:38,322 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 64 states. [2020-07-17 22:51:38,322 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 64 states. [2020-07-17 22:51:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:38,325 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2020-07-17 22:51:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-07-17 22:51:38,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:38,326 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:38,326 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 66 states. [2020-07-17 22:51:38,326 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 66 states. [2020-07-17 22:51:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:38,328 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2020-07-17 22:51:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-07-17 22:51:38,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:38,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:38,329 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:38,330 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:38,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-07-17 22:51:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-07-17 22:51:38,332 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 42 [2020-07-17 22:51:38,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:38,333 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-07-17 22:51:38,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-07-17 22:51:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-17 22:51:38,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:38,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:38,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-17 22:51:38,334 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:38,334 INFO L82 PathProgramCache]: Analyzing trace with hash -769566670, now seen corresponding path program 1 times [2020-07-17 22:51:38,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:38,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962624785] [2020-07-17 22:51:38,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:38,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {7137#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7129#true} is VALID [2020-07-17 22:51:38,459 INFO L280 TraceCheckUtils]: 1: Hoare triple {7129#true} assume true; {7129#true} is VALID [2020-07-17 22:51:38,460 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7129#true} {7129#true} #223#return; {7129#true} is VALID [2020-07-17 22:51:38,461 INFO L263 TraceCheckUtils]: 0: Hoare triple {7129#true} call ULTIMATE.init(); {7137#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:38,462 INFO L280 TraceCheckUtils]: 1: Hoare triple {7137#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7129#true} is VALID [2020-07-17 22:51:38,462 INFO L280 TraceCheckUtils]: 2: Hoare triple {7129#true} assume true; {7129#true} is VALID [2020-07-17 22:51:38,462 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7129#true} {7129#true} #223#return; {7129#true} is VALID [2020-07-17 22:51:38,462 INFO L263 TraceCheckUtils]: 4: Hoare triple {7129#true} call #t~ret7 := main(); {7129#true} is VALID [2020-07-17 22:51:38,463 INFO L280 TraceCheckUtils]: 5: Hoare triple {7129#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7129#true} is VALID [2020-07-17 22:51:38,463 INFO L280 TraceCheckUtils]: 6: Hoare triple {7129#true} assume !!(~main__urilen~0 <= 1000000); {7129#true} is VALID [2020-07-17 22:51:38,463 INFO L280 TraceCheckUtils]: 7: Hoare triple {7129#true} assume !!(~main__urilen~0 >= -1000000); {7129#true} is VALID [2020-07-17 22:51:38,463 INFO L280 TraceCheckUtils]: 8: Hoare triple {7129#true} assume !!(~main__tokenlen~0 <= 1000000); {7129#true} is VALID [2020-07-17 22:51:38,464 INFO L280 TraceCheckUtils]: 9: Hoare triple {7129#true} assume !!(~main__tokenlen~0 >= -1000000); {7129#true} is VALID [2020-07-17 22:51:38,464 INFO L280 TraceCheckUtils]: 10: Hoare triple {7129#true} assume !!(~main__scheme~0 <= 1000000); {7129#true} is VALID [2020-07-17 22:51:38,464 INFO L280 TraceCheckUtils]: 11: Hoare triple {7129#true} assume !!(~main__scheme~0 >= -1000000); {7129#true} is VALID [2020-07-17 22:51:38,464 INFO L280 TraceCheckUtils]: 12: Hoare triple {7129#true} assume ~main__urilen~0 > 0; {7129#true} is VALID [2020-07-17 22:51:38,465 INFO L280 TraceCheckUtils]: 13: Hoare triple {7129#true} assume ~main__tokenlen~0 > 0; {7129#true} is VALID [2020-07-17 22:51:38,465 INFO L280 TraceCheckUtils]: 14: Hoare triple {7129#true} assume ~main__scheme~0 >= 0; {7129#true} is VALID [2020-07-17 22:51:38,465 INFO L280 TraceCheckUtils]: 15: Hoare triple {7129#true} assume !(0 == ~main__scheme~0); {7129#true} is VALID [2020-07-17 22:51:38,465 INFO L280 TraceCheckUtils]: 16: Hoare triple {7129#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7129#true} is VALID [2020-07-17 22:51:38,466 INFO L280 TraceCheckUtils]: 17: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7129#true} is VALID [2020-07-17 22:51:38,466 INFO L280 TraceCheckUtils]: 18: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7129#true} is VALID [2020-07-17 22:51:38,466 INFO L280 TraceCheckUtils]: 19: Hoare triple {7129#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7129#true} is VALID [2020-07-17 22:51:38,467 INFO L280 TraceCheckUtils]: 20: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7129#true} is VALID [2020-07-17 22:51:38,467 INFO L280 TraceCheckUtils]: 21: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~3); {7129#true} is VALID [2020-07-17 22:51:38,467 INFO L280 TraceCheckUtils]: 22: Hoare triple {7129#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7129#true} is VALID [2020-07-17 22:51:38,467 INFO L280 TraceCheckUtils]: 23: Hoare triple {7129#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {7129#true} is VALID [2020-07-17 22:51:38,468 INFO L280 TraceCheckUtils]: 24: Hoare triple {7129#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7129#true} is VALID [2020-07-17 22:51:38,468 INFO L280 TraceCheckUtils]: 25: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7129#true} is VALID [2020-07-17 22:51:38,469 INFO L280 TraceCheckUtils]: 26: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~5); {7129#true} is VALID [2020-07-17 22:51:38,469 INFO L280 TraceCheckUtils]: 27: Hoare triple {7129#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7129#true} is VALID [2020-07-17 22:51:38,469 INFO L280 TraceCheckUtils]: 28: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7129#true} is VALID [2020-07-17 22:51:38,469 INFO L280 TraceCheckUtils]: 29: Hoare triple {7129#true} assume !(0 == ~__VERIFIER_assert__cond~7); {7129#true} is VALID [2020-07-17 22:51:38,470 INFO L280 TraceCheckUtils]: 30: Hoare triple {7129#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7129#true} is VALID [2020-07-17 22:51:38,472 INFO L280 TraceCheckUtils]: 31: Hoare triple {7129#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7134#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} is VALID [2020-07-17 22:51:38,474 INFO L280 TraceCheckUtils]: 32: Hoare triple {7134#(or (and (<= main_~main__urilen~0 main_~main__cp~0) (= 0 main_~__VERIFIER_assert__cond~8)) (and (< main_~main__cp~0 main_~main__urilen~0) (= 1 main_~__VERIFIER_assert__cond~8)))} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,474 INFO L280 TraceCheckUtils]: 33: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,475 INFO L280 TraceCheckUtils]: 34: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,475 INFO L280 TraceCheckUtils]: 35: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,476 INFO L280 TraceCheckUtils]: 36: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,476 INFO L280 TraceCheckUtils]: 37: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,477 INFO L280 TraceCheckUtils]: 38: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,477 INFO L280 TraceCheckUtils]: 39: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {7135#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:38,478 INFO L280 TraceCheckUtils]: 40: Hoare triple {7135#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {7136#(not (= main_~__VERIFIER_assert__cond~14 0))} is VALID [2020-07-17 22:51:38,479 INFO L280 TraceCheckUtils]: 41: Hoare triple {7136#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {7130#false} is VALID [2020-07-17 22:51:38,480 INFO L280 TraceCheckUtils]: 42: Hoare triple {7130#false} assume !false; {7130#false} is VALID [2020-07-17 22:51:38,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:38,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962624785] [2020-07-17 22:51:38,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:38,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:38,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748357314] [2020-07-17 22:51:38,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-07-17 22:51:38,486 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:38,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:38,536 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:38,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:38,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:38,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:38,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:38,538 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 6 states. [2020-07-17 22:51:39,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:39,550 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2020-07-17 22:51:39,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 22:51:39,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2020-07-17 22:51:39,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-17 22:51:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 95 transitions. [2020-07-17 22:51:39,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 95 transitions. [2020-07-17 22:51:39,730 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:39,732 INFO L225 Difference]: With dead ends: 90 [2020-07-17 22:51:39,732 INFO L226 Difference]: Without dead ends: 88 [2020-07-17 22:51:39,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:51:39,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-17 22:51:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2020-07-17 22:51:39,832 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:39,832 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand 69 states. [2020-07-17 22:51:39,832 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand 69 states. [2020-07-17 22:51:39,833 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 69 states. [2020-07-17 22:51:39,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:39,836 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2020-07-17 22:51:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2020-07-17 22:51:39,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:39,837 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:39,837 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand 88 states. [2020-07-17 22:51:39,838 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 88 states. [2020-07-17 22:51:39,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:39,841 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2020-07-17 22:51:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2020-07-17 22:51:39,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:39,842 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:39,842 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:39,842 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-07-17 22:51:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2020-07-17 22:51:39,843 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 43 [2020-07-17 22:51:39,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:39,844 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2020-07-17 22:51:39,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2020-07-17 22:51:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-17 22:51:39,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:39,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:39,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-17 22:51:39,845 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:39,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:39,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1913240228, now seen corresponding path program 1 times [2020-07-17 22:51:39,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:39,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949663510] [2020-07-17 22:51:39,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:39,947 INFO L280 TraceCheckUtils]: 0: Hoare triple {7520#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7512#true} is VALID [2020-07-17 22:51:39,948 INFO L280 TraceCheckUtils]: 1: Hoare triple {7512#true} assume true; {7512#true} is VALID [2020-07-17 22:51:39,948 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7512#true} {7512#true} #223#return; {7512#true} is VALID [2020-07-17 22:51:39,949 INFO L263 TraceCheckUtils]: 0: Hoare triple {7512#true} call ULTIMATE.init(); {7520#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:39,950 INFO L280 TraceCheckUtils]: 1: Hoare triple {7520#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7512#true} is VALID [2020-07-17 22:51:39,950 INFO L280 TraceCheckUtils]: 2: Hoare triple {7512#true} assume true; {7512#true} is VALID [2020-07-17 22:51:39,950 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7512#true} {7512#true} #223#return; {7512#true} is VALID [2020-07-17 22:51:39,951 INFO L263 TraceCheckUtils]: 4: Hoare triple {7512#true} call #t~ret7 := main(); {7512#true} is VALID [2020-07-17 22:51:39,951 INFO L280 TraceCheckUtils]: 5: Hoare triple {7512#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7512#true} is VALID [2020-07-17 22:51:39,951 INFO L280 TraceCheckUtils]: 6: Hoare triple {7512#true} assume !!(~main__urilen~0 <= 1000000); {7512#true} is VALID [2020-07-17 22:51:39,952 INFO L280 TraceCheckUtils]: 7: Hoare triple {7512#true} assume !!(~main__urilen~0 >= -1000000); {7512#true} is VALID [2020-07-17 22:51:39,952 INFO L280 TraceCheckUtils]: 8: Hoare triple {7512#true} assume !!(~main__tokenlen~0 <= 1000000); {7512#true} is VALID [2020-07-17 22:51:39,952 INFO L280 TraceCheckUtils]: 9: Hoare triple {7512#true} assume !!(~main__tokenlen~0 >= -1000000); {7512#true} is VALID [2020-07-17 22:51:39,953 INFO L280 TraceCheckUtils]: 10: Hoare triple {7512#true} assume !!(~main__scheme~0 <= 1000000); {7512#true} is VALID [2020-07-17 22:51:39,953 INFO L280 TraceCheckUtils]: 11: Hoare triple {7512#true} assume !!(~main__scheme~0 >= -1000000); {7512#true} is VALID [2020-07-17 22:51:39,953 INFO L280 TraceCheckUtils]: 12: Hoare triple {7512#true} assume ~main__urilen~0 > 0; {7512#true} is VALID [2020-07-17 22:51:39,953 INFO L280 TraceCheckUtils]: 13: Hoare triple {7512#true} assume ~main__tokenlen~0 > 0; {7512#true} is VALID [2020-07-17 22:51:39,953 INFO L280 TraceCheckUtils]: 14: Hoare triple {7512#true} assume ~main__scheme~0 >= 0; {7512#true} is VALID [2020-07-17 22:51:39,954 INFO L280 TraceCheckUtils]: 15: Hoare triple {7512#true} assume !(0 == ~main__scheme~0); {7512#true} is VALID [2020-07-17 22:51:39,954 INFO L280 TraceCheckUtils]: 16: Hoare triple {7512#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7512#true} is VALID [2020-07-17 22:51:39,954 INFO L280 TraceCheckUtils]: 17: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7512#true} is VALID [2020-07-17 22:51:39,954 INFO L280 TraceCheckUtils]: 18: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7512#true} is VALID [2020-07-17 22:51:39,954 INFO L280 TraceCheckUtils]: 19: Hoare triple {7512#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7512#true} is VALID [2020-07-17 22:51:39,954 INFO L280 TraceCheckUtils]: 20: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7512#true} is VALID [2020-07-17 22:51:39,955 INFO L280 TraceCheckUtils]: 21: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~3); {7512#true} is VALID [2020-07-17 22:51:39,955 INFO L280 TraceCheckUtils]: 22: Hoare triple {7512#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7512#true} is VALID [2020-07-17 22:51:39,955 INFO L280 TraceCheckUtils]: 23: Hoare triple {7512#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {7512#true} is VALID [2020-07-17 22:51:39,955 INFO L280 TraceCheckUtils]: 24: Hoare triple {7512#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7512#true} is VALID [2020-07-17 22:51:39,955 INFO L280 TraceCheckUtils]: 25: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7512#true} is VALID [2020-07-17 22:51:39,956 INFO L280 TraceCheckUtils]: 26: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~5); {7512#true} is VALID [2020-07-17 22:51:39,956 INFO L280 TraceCheckUtils]: 27: Hoare triple {7512#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7512#true} is VALID [2020-07-17 22:51:39,956 INFO L280 TraceCheckUtils]: 28: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7512#true} is VALID [2020-07-17 22:51:39,956 INFO L280 TraceCheckUtils]: 29: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~7); {7512#true} is VALID [2020-07-17 22:51:39,956 INFO L280 TraceCheckUtils]: 30: Hoare triple {7512#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7512#true} is VALID [2020-07-17 22:51:39,957 INFO L280 TraceCheckUtils]: 31: Hoare triple {7512#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7512#true} is VALID [2020-07-17 22:51:39,958 INFO L280 TraceCheckUtils]: 32: Hoare triple {7512#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7517#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} is VALID [2020-07-17 22:51:39,959 INFO L280 TraceCheckUtils]: 33: Hoare triple {7517#(or (and (<= 0 main_~main__cp~0) (= 1 main_~__VERIFIER_assert__cond~9)) (and (= 0 main_~__VERIFIER_assert__cond~9) (< main_~main__cp~0 0)))} assume !(0 == ~__VERIFIER_assert__cond~9); {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,960 INFO L280 TraceCheckUtils]: 34: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,962 INFO L280 TraceCheckUtils]: 35: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,963 INFO L280 TraceCheckUtils]: 36: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,964 INFO L280 TraceCheckUtils]: 37: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,964 INFO L280 TraceCheckUtils]: 38: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,965 INFO L280 TraceCheckUtils]: 39: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,967 INFO L280 TraceCheckUtils]: 40: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {7518#(<= 0 main_~main__cp~0)} is VALID [2020-07-17 22:51:39,968 INFO L280 TraceCheckUtils]: 41: Hoare triple {7518#(<= 0 main_~main__cp~0)} assume !(0 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {7519#(not (= main_~__VERIFIER_assert__cond~15 0))} is VALID [2020-07-17 22:51:39,969 INFO L280 TraceCheckUtils]: 42: Hoare triple {7519#(not (= main_~__VERIFIER_assert__cond~15 0))} assume 0 == ~__VERIFIER_assert__cond~15; {7513#false} is VALID [2020-07-17 22:51:39,970 INFO L280 TraceCheckUtils]: 43: Hoare triple {7513#false} assume !false; {7513#false} is VALID [2020-07-17 22:51:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:39,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949663510] [2020-07-17 22:51:39,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:39,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:39,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505563314] [2020-07-17 22:51:39,974 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-07-17 22:51:39,974 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:39,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:40,025 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:40,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:40,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:40,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:40,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:40,026 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 6 states. [2020-07-17 22:51:40,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:40,768 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-07-17 22:51:40,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:40,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-07-17 22:51:40,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:40,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2020-07-17 22:51:40,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2020-07-17 22:51:40,775 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 70 transitions. [2020-07-17 22:51:40,891 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:40,892 INFO L225 Difference]: With dead ends: 75 [2020-07-17 22:51:40,893 INFO L226 Difference]: Without dead ends: 73 [2020-07-17 22:51:40,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:51:40,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-07-17 22:51:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2020-07-17 22:51:41,004 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:41,005 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 67 states. [2020-07-17 22:51:41,005 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 67 states. [2020-07-17 22:51:41,005 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 67 states. [2020-07-17 22:51:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:41,007 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2020-07-17 22:51:41,008 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-07-17 22:51:41,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:41,008 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:41,008 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 73 states. [2020-07-17 22:51:41,008 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 73 states. [2020-07-17 22:51:41,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:41,011 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2020-07-17 22:51:41,011 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2020-07-17 22:51:41,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:41,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:41,012 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:41,012 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:41,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-07-17 22:51:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2020-07-17 22:51:41,014 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 44 [2020-07-17 22:51:41,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:41,015 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2020-07-17 22:51:41,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2020-07-17 22:51:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-17 22:51:41,016 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:41,016 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:51:41,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-07-17 22:51:41,018 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:41,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:41,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1562566919, now seen corresponding path program 1 times [2020-07-17 22:51:41,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:41,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157624334] [2020-07-17 22:51:41,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:41,257 INFO L280 TraceCheckUtils]: 0: Hoare triple {7848#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7839#true} is VALID [2020-07-17 22:51:41,258 INFO L280 TraceCheckUtils]: 1: Hoare triple {7839#true} assume true; {7839#true} is VALID [2020-07-17 22:51:41,258 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {7839#true} {7839#true} #223#return; {7839#true} is VALID [2020-07-17 22:51:41,260 INFO L263 TraceCheckUtils]: 0: Hoare triple {7839#true} call ULTIMATE.init(); {7848#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:41,260 INFO L280 TraceCheckUtils]: 1: Hoare triple {7848#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {7839#true} is VALID [2020-07-17 22:51:41,260 INFO L280 TraceCheckUtils]: 2: Hoare triple {7839#true} assume true; {7839#true} is VALID [2020-07-17 22:51:41,261 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7839#true} {7839#true} #223#return; {7839#true} is VALID [2020-07-17 22:51:41,261 INFO L263 TraceCheckUtils]: 4: Hoare triple {7839#true} call #t~ret7 := main(); {7839#true} is VALID [2020-07-17 22:51:41,261 INFO L280 TraceCheckUtils]: 5: Hoare triple {7839#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7839#true} is VALID [2020-07-17 22:51:41,262 INFO L280 TraceCheckUtils]: 6: Hoare triple {7839#true} assume !!(~main__urilen~0 <= 1000000); {7839#true} is VALID [2020-07-17 22:51:41,262 INFO L280 TraceCheckUtils]: 7: Hoare triple {7839#true} assume !!(~main__urilen~0 >= -1000000); {7839#true} is VALID [2020-07-17 22:51:41,262 INFO L280 TraceCheckUtils]: 8: Hoare triple {7839#true} assume !!(~main__tokenlen~0 <= 1000000); {7839#true} is VALID [2020-07-17 22:51:41,262 INFO L280 TraceCheckUtils]: 9: Hoare triple {7839#true} assume !!(~main__tokenlen~0 >= -1000000); {7839#true} is VALID [2020-07-17 22:51:41,263 INFO L280 TraceCheckUtils]: 10: Hoare triple {7839#true} assume !!(~main__scheme~0 <= 1000000); {7839#true} is VALID [2020-07-17 22:51:41,263 INFO L280 TraceCheckUtils]: 11: Hoare triple {7839#true} assume !!(~main__scheme~0 >= -1000000); {7839#true} is VALID [2020-07-17 22:51:41,263 INFO L280 TraceCheckUtils]: 12: Hoare triple {7839#true} assume ~main__urilen~0 > 0; {7839#true} is VALID [2020-07-17 22:51:41,264 INFO L280 TraceCheckUtils]: 13: Hoare triple {7839#true} assume ~main__tokenlen~0 > 0; {7839#true} is VALID [2020-07-17 22:51:41,264 INFO L280 TraceCheckUtils]: 14: Hoare triple {7839#true} assume ~main__scheme~0 >= 0; {7839#true} is VALID [2020-07-17 22:51:41,264 INFO L280 TraceCheckUtils]: 15: Hoare triple {7839#true} assume !(0 == ~main__scheme~0); {7839#true} is VALID [2020-07-17 22:51:41,266 INFO L280 TraceCheckUtils]: 16: Hoare triple {7839#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,266 INFO L280 TraceCheckUtils]: 17: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,267 INFO L280 TraceCheckUtils]: 18: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,269 INFO L280 TraceCheckUtils]: 19: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,272 INFO L280 TraceCheckUtils]: 20: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,273 INFO L280 TraceCheckUtils]: 21: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,274 INFO L280 TraceCheckUtils]: 22: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,275 INFO L280 TraceCheckUtils]: 23: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,276 INFO L280 TraceCheckUtils]: 24: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,278 INFO L280 TraceCheckUtils]: 25: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,280 INFO L280 TraceCheckUtils]: 26: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,281 INFO L280 TraceCheckUtils]: 27: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,282 INFO L280 TraceCheckUtils]: 28: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,284 INFO L280 TraceCheckUtils]: 29: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,287 INFO L280 TraceCheckUtils]: 30: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,288 INFO L280 TraceCheckUtils]: 31: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,289 INFO L280 TraceCheckUtils]: 32: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,291 INFO L280 TraceCheckUtils]: 33: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,292 INFO L280 TraceCheckUtils]: 34: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,293 INFO L280 TraceCheckUtils]: 35: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,294 INFO L280 TraceCheckUtils]: 36: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,297 INFO L280 TraceCheckUtils]: 37: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7846#(or (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (not (= 0 main_~main____CPAchecker_TMP_3~0)))} is VALID [2020-07-17 22:51:41,299 INFO L280 TraceCheckUtils]: 38: Hoare triple {7846#(or (<= (+ main_~main__cp~0 2) main_~main__urilen~0) (not (= 0 main_~main____CPAchecker_TMP_3~0)))} assume !!(0 == ~main____CPAchecker_TMP_3~0); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,300 INFO L280 TraceCheckUtils]: 39: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} ~main__cp~0 := 1 + ~main__cp~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,300 INFO L280 TraceCheckUtils]: 40: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,302 INFO L280 TraceCheckUtils]: 41: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7847#(not (= main_~__VERIFIER_assert__cond~10 0))} is VALID [2020-07-17 22:51:41,305 INFO L280 TraceCheckUtils]: 42: Hoare triple {7847#(not (= main_~__VERIFIER_assert__cond~10 0))} assume 0 == ~__VERIFIER_assert__cond~10; {7840#false} is VALID [2020-07-17 22:51:41,305 INFO L280 TraceCheckUtils]: 43: Hoare triple {7840#false} assume !false; {7840#false} is VALID [2020-07-17 22:51:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:41,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157624334] [2020-07-17 22:51:41,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286475684] [2020-07-17 22:51:41,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 22:51:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:41,384 INFO L264 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 22:51:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:41,406 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 22:51:41,603 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-17 22:51:41,677 INFO L263 TraceCheckUtils]: 0: Hoare triple {7839#true} call ULTIMATE.init(); {7839#true} is VALID [2020-07-17 22:51:41,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {7839#true} ~__return_main~0 := 0;~__return_375~0 := 0; {7839#true} is VALID [2020-07-17 22:51:41,678 INFO L280 TraceCheckUtils]: 2: Hoare triple {7839#true} assume true; {7839#true} is VALID [2020-07-17 22:51:41,678 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {7839#true} {7839#true} #223#return; {7839#true} is VALID [2020-07-17 22:51:41,678 INFO L263 TraceCheckUtils]: 4: Hoare triple {7839#true} call #t~ret7 := main(); {7839#true} is VALID [2020-07-17 22:51:41,678 INFO L280 TraceCheckUtils]: 5: Hoare triple {7839#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {7839#true} is VALID [2020-07-17 22:51:41,678 INFO L280 TraceCheckUtils]: 6: Hoare triple {7839#true} assume !!(~main__urilen~0 <= 1000000); {7839#true} is VALID [2020-07-17 22:51:41,679 INFO L280 TraceCheckUtils]: 7: Hoare triple {7839#true} assume !!(~main__urilen~0 >= -1000000); {7839#true} is VALID [2020-07-17 22:51:41,679 INFO L280 TraceCheckUtils]: 8: Hoare triple {7839#true} assume !!(~main__tokenlen~0 <= 1000000); {7839#true} is VALID [2020-07-17 22:51:41,679 INFO L280 TraceCheckUtils]: 9: Hoare triple {7839#true} assume !!(~main__tokenlen~0 >= -1000000); {7839#true} is VALID [2020-07-17 22:51:41,679 INFO L280 TraceCheckUtils]: 10: Hoare triple {7839#true} assume !!(~main__scheme~0 <= 1000000); {7839#true} is VALID [2020-07-17 22:51:41,679 INFO L280 TraceCheckUtils]: 11: Hoare triple {7839#true} assume !!(~main__scheme~0 >= -1000000); {7839#true} is VALID [2020-07-17 22:51:41,680 INFO L280 TraceCheckUtils]: 12: Hoare triple {7839#true} assume ~main__urilen~0 > 0; {7839#true} is VALID [2020-07-17 22:51:41,680 INFO L280 TraceCheckUtils]: 13: Hoare triple {7839#true} assume ~main__tokenlen~0 > 0; {7839#true} is VALID [2020-07-17 22:51:41,680 INFO L280 TraceCheckUtils]: 14: Hoare triple {7839#true} assume ~main__scheme~0 >= 0; {7839#true} is VALID [2020-07-17 22:51:41,680 INFO L280 TraceCheckUtils]: 15: Hoare triple {7839#true} assume !(0 == ~main__scheme~0); {7839#true} is VALID [2020-07-17 22:51:41,682 INFO L280 TraceCheckUtils]: 16: Hoare triple {7839#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,684 INFO L280 TraceCheckUtils]: 17: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,685 INFO L280 TraceCheckUtils]: 18: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,686 INFO L280 TraceCheckUtils]: 19: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,686 INFO L280 TraceCheckUtils]: 20: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,687 INFO L280 TraceCheckUtils]: 21: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~3); {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,689 INFO L280 TraceCheckUtils]: 22: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,691 INFO L280 TraceCheckUtils]: 23: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_1~0); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,692 INFO L280 TraceCheckUtils]: 24: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,693 INFO L280 TraceCheckUtils]: 25: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,693 INFO L280 TraceCheckUtils]: 26: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~5); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,694 INFO L280 TraceCheckUtils]: 27: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,694 INFO L280 TraceCheckUtils]: 28: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,695 INFO L280 TraceCheckUtils]: 29: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~7); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,696 INFO L280 TraceCheckUtils]: 30: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,697 INFO L280 TraceCheckUtils]: 31: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,697 INFO L280 TraceCheckUtils]: 32: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,698 INFO L280 TraceCheckUtils]: 33: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~9); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,698 INFO L280 TraceCheckUtils]: 34: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,699 INFO L280 TraceCheckUtils]: 35: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,699 INFO L280 TraceCheckUtils]: 36: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,700 INFO L280 TraceCheckUtils]: 37: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,700 INFO L280 TraceCheckUtils]: 38: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} assume !!(0 == ~main____CPAchecker_TMP_3~0); {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,701 INFO L280 TraceCheckUtils]: 39: Hoare triple {7845#(< (+ main_~main__cp~0 1) main_~main__urilen~0)} ~main__cp~0 := 1 + ~main__cp~0; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,701 INFO L280 TraceCheckUtils]: 40: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__cp~0 != ~main__urilen~0 - 1; {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} is VALID [2020-07-17 22:51:41,702 INFO L280 TraceCheckUtils]: 41: Hoare triple {7844#(<= (+ main_~main__cp~0 1) main_~main__urilen~0)} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {7975#(<= 1 main_~__VERIFIER_assert__cond~10)} is VALID [2020-07-17 22:51:41,703 INFO L280 TraceCheckUtils]: 42: Hoare triple {7975#(<= 1 main_~__VERIFIER_assert__cond~10)} assume 0 == ~__VERIFIER_assert__cond~10; {7840#false} is VALID [2020-07-17 22:51:41,703 INFO L280 TraceCheckUtils]: 43: Hoare triple {7840#false} assume !false; {7840#false} is VALID [2020-07-17 22:51:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:51:41,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 22:51:41,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-17 22:51:41,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083728996] [2020-07-17 22:51:41,707 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-07-17 22:51:41,709 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:41,710 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 22:51:41,783 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:41,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 22:51:41,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:41,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 22:51:41,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 22:51:41,785 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 8 states. [2020-07-17 22:51:42,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,445 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2020-07-17 22:51:42,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 22:51:42,445 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-07-17 22:51:42,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 22:51:42,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 56 transitions. [2020-07-17 22:51:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 22:51:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 56 transitions. [2020-07-17 22:51:42,457 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 56 transitions. [2020-07-17 22:51:42,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:42,558 INFO L225 Difference]: With dead ends: 67 [2020-07-17 22:51:42,559 INFO L226 Difference]: Without dead ends: 65 [2020-07-17 22:51:42,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-07-17 22:51:42,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-17 22:51:42,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-07-17 22:51:42,686 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:42,686 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand 65 states. [2020-07-17 22:51:42,686 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-17 22:51:42,687 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-17 22:51:42,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,688 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2020-07-17 22:51:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-07-17 22:51:42,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:42,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:42,689 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand 65 states. [2020-07-17 22:51:42,689 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 65 states. [2020-07-17 22:51:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:42,691 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2020-07-17 22:51:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-07-17 22:51:42,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:42,692 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:42,693 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:42,693 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-17 22:51:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-07-17 22:51:42,696 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 44 [2020-07-17 22:51:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:42,697 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-07-17 22:51:42,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 22:51:42,697 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-07-17 22:51:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-17 22:51:42,699 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:42,700 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 22:51:42,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-07-17 22:51:42,917 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:42,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:42,918 INFO L82 PathProgramCache]: Analyzing trace with hash 790604971, now seen corresponding path program 1 times [2020-07-17 22:51:42,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:42,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44471025] [2020-07-17 22:51:42,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:43,034 INFO L280 TraceCheckUtils]: 0: Hoare triple {8281#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8273#true} is VALID [2020-07-17 22:51:43,034 INFO L280 TraceCheckUtils]: 1: Hoare triple {8273#true} assume true; {8273#true} is VALID [2020-07-17 22:51:43,034 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8273#true} {8273#true} #223#return; {8273#true} is VALID [2020-07-17 22:51:43,035 INFO L263 TraceCheckUtils]: 0: Hoare triple {8273#true} call ULTIMATE.init(); {8281#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:43,036 INFO L280 TraceCheckUtils]: 1: Hoare triple {8281#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8273#true} is VALID [2020-07-17 22:51:43,036 INFO L280 TraceCheckUtils]: 2: Hoare triple {8273#true} assume true; {8273#true} is VALID [2020-07-17 22:51:43,036 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8273#true} {8273#true} #223#return; {8273#true} is VALID [2020-07-17 22:51:43,037 INFO L263 TraceCheckUtils]: 4: Hoare triple {8273#true} call #t~ret7 := main(); {8273#true} is VALID [2020-07-17 22:51:43,037 INFO L280 TraceCheckUtils]: 5: Hoare triple {8273#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {8273#true} is VALID [2020-07-17 22:51:43,037 INFO L280 TraceCheckUtils]: 6: Hoare triple {8273#true} assume !!(~main__urilen~0 <= 1000000); {8273#true} is VALID [2020-07-17 22:51:43,038 INFO L280 TraceCheckUtils]: 7: Hoare triple {8273#true} assume !!(~main__urilen~0 >= -1000000); {8273#true} is VALID [2020-07-17 22:51:43,038 INFO L280 TraceCheckUtils]: 8: Hoare triple {8273#true} assume !!(~main__tokenlen~0 <= 1000000); {8273#true} is VALID [2020-07-17 22:51:43,038 INFO L280 TraceCheckUtils]: 9: Hoare triple {8273#true} assume !!(~main__tokenlen~0 >= -1000000); {8273#true} is VALID [2020-07-17 22:51:43,039 INFO L280 TraceCheckUtils]: 10: Hoare triple {8273#true} assume !!(~main__scheme~0 <= 1000000); {8273#true} is VALID [2020-07-17 22:51:43,039 INFO L280 TraceCheckUtils]: 11: Hoare triple {8273#true} assume !!(~main__scheme~0 >= -1000000); {8273#true} is VALID [2020-07-17 22:51:43,039 INFO L280 TraceCheckUtils]: 12: Hoare triple {8273#true} assume ~main__urilen~0 > 0; {8273#true} is VALID [2020-07-17 22:51:43,040 INFO L280 TraceCheckUtils]: 13: Hoare triple {8273#true} assume ~main__tokenlen~0 > 0; {8273#true} is VALID [2020-07-17 22:51:43,040 INFO L280 TraceCheckUtils]: 14: Hoare triple {8273#true} assume ~main__scheme~0 >= 0; {8273#true} is VALID [2020-07-17 22:51:43,040 INFO L280 TraceCheckUtils]: 15: Hoare triple {8273#true} assume !(0 == ~main__scheme~0); {8273#true} is VALID [2020-07-17 22:51:43,040 INFO L280 TraceCheckUtils]: 16: Hoare triple {8273#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8273#true} is VALID [2020-07-17 22:51:43,040 INFO L280 TraceCheckUtils]: 17: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8273#true} is VALID [2020-07-17 22:51:43,041 INFO L280 TraceCheckUtils]: 18: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {8273#true} is VALID [2020-07-17 22:51:43,041 INFO L280 TraceCheckUtils]: 19: Hoare triple {8273#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {8273#true} is VALID [2020-07-17 22:51:43,041 INFO L280 TraceCheckUtils]: 20: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {8273#true} is VALID [2020-07-17 22:51:43,042 INFO L280 TraceCheckUtils]: 21: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~3); {8273#true} is VALID [2020-07-17 22:51:43,042 INFO L280 TraceCheckUtils]: 22: Hoare triple {8273#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {8273#true} is VALID [2020-07-17 22:51:43,042 INFO L280 TraceCheckUtils]: 23: Hoare triple {8273#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {8273#true} is VALID [2020-07-17 22:51:43,043 INFO L280 TraceCheckUtils]: 24: Hoare triple {8273#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {8273#true} is VALID [2020-07-17 22:51:43,043 INFO L280 TraceCheckUtils]: 25: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {8273#true} is VALID [2020-07-17 22:51:43,043 INFO L280 TraceCheckUtils]: 26: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~5); {8273#true} is VALID [2020-07-17 22:51:43,044 INFO L280 TraceCheckUtils]: 27: Hoare triple {8273#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8273#true} is VALID [2020-07-17 22:51:43,044 INFO L280 TraceCheckUtils]: 28: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {8273#true} is VALID [2020-07-17 22:51:43,044 INFO L280 TraceCheckUtils]: 29: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~7); {8273#true} is VALID [2020-07-17 22:51:43,044 INFO L280 TraceCheckUtils]: 30: Hoare triple {8273#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {8273#true} is VALID [2020-07-17 22:51:43,045 INFO L280 TraceCheckUtils]: 31: Hoare triple {8273#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {8273#true} is VALID [2020-07-17 22:51:43,045 INFO L280 TraceCheckUtils]: 32: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {8273#true} is VALID [2020-07-17 22:51:43,045 INFO L280 TraceCheckUtils]: 33: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~9); {8273#true} is VALID [2020-07-17 22:51:43,045 INFO L280 TraceCheckUtils]: 34: Hoare triple {8273#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8273#true} is VALID [2020-07-17 22:51:43,046 INFO L280 TraceCheckUtils]: 35: Hoare triple {8273#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8273#true} is VALID [2020-07-17 22:51:43,046 INFO L280 TraceCheckUtils]: 36: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8273#true} is VALID [2020-07-17 22:51:43,046 INFO L280 TraceCheckUtils]: 37: Hoare triple {8273#true} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8273#true} is VALID [2020-07-17 22:51:43,047 INFO L280 TraceCheckUtils]: 38: Hoare triple {8273#true} assume !!(0 == ~main____CPAchecker_TMP_3~0); {8273#true} is VALID [2020-07-17 22:51:43,047 INFO L280 TraceCheckUtils]: 39: Hoare triple {8273#true} ~main__cp~0 := 1 + ~main__cp~0; {8273#true} is VALID [2020-07-17 22:51:43,047 INFO L280 TraceCheckUtils]: 40: Hoare triple {8273#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8273#true} is VALID [2020-07-17 22:51:43,049 INFO L280 TraceCheckUtils]: 41: Hoare triple {8273#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8278#(or (and (= main_~__VERIFIER_assert__cond~10 1) (< main_~main__cp~0 main_~main__urilen~0)) (and (<= main_~main__urilen~0 main_~main__cp~0) (= main_~__VERIFIER_assert__cond~10 0)))} is VALID [2020-07-17 22:51:43,050 INFO L280 TraceCheckUtils]: 42: Hoare triple {8278#(or (and (= main_~__VERIFIER_assert__cond~10 1) (< main_~main__cp~0 main_~main__urilen~0)) (and (<= main_~main__urilen~0 main_~main__cp~0) (= main_~__VERIFIER_assert__cond~10 0)))} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8279#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:43,051 INFO L280 TraceCheckUtils]: 43: Hoare triple {8279#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8279#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:43,051 INFO L280 TraceCheckUtils]: 44: Hoare triple {8279#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8279#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:43,052 INFO L280 TraceCheckUtils]: 45: Hoare triple {8279#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {8279#(< main_~main__cp~0 main_~main__urilen~0)} is VALID [2020-07-17 22:51:43,052 INFO L280 TraceCheckUtils]: 46: Hoare triple {8279#(< main_~main__cp~0 main_~main__urilen~0)} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {8280#(not (= main_~__VERIFIER_assert__cond~14 0))} is VALID [2020-07-17 22:51:43,053 INFO L280 TraceCheckUtils]: 47: Hoare triple {8280#(not (= main_~__VERIFIER_assert__cond~14 0))} assume 0 == ~__VERIFIER_assert__cond~14; {8274#false} is VALID [2020-07-17 22:51:43,053 INFO L280 TraceCheckUtils]: 48: Hoare triple {8274#false} assume !false; {8274#false} is VALID [2020-07-17 22:51:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-17 22:51:43,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44471025] [2020-07-17 22:51:43,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:43,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:51:43,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859210198] [2020-07-17 22:51:43,059 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-17 22:51:43,060 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:43,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:51:43,129 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:43,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:51:43,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:43,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:51:43,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:51:43,132 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 6 states. [2020-07-17 22:51:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:43,956 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions. [2020-07-17 22:51:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 22:51:43,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-17 22:51:43,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 73 transitions. [2020-07-17 22:51:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:51:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 73 transitions. [2020-07-17 22:51:43,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 73 transitions. [2020-07-17 22:51:44,112 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:44,115 INFO L225 Difference]: With dead ends: 77 [2020-07-17 22:51:44,115 INFO L226 Difference]: Without dead ends: 75 [2020-07-17 22:51:44,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-17 22:51:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-07-17 22:51:44,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 55. [2020-07-17 22:51:44,217 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:44,217 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand 55 states. [2020-07-17 22:51:44,217 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand 55 states. [2020-07-17 22:51:44,217 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 55 states. [2020-07-17 22:51:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:44,220 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-17 22:51:44,220 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-17 22:51:44,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:44,221 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:44,221 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 75 states. [2020-07-17 22:51:44,221 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 75 states. [2020-07-17 22:51:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:44,224 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2020-07-17 22:51:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 80 transitions. [2020-07-17 22:51:44,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:44,225 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:44,225 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:44,226 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-17 22:51:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2020-07-17 22:51:44,228 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 49 [2020-07-17 22:51:44,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:44,228 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2020-07-17 22:51:44,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:51:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2020-07-17 22:51:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 22:51:44,229 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:51:44,229 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 22:51:44,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-07-17 22:51:44,230 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:51:44,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:51:44,231 INFO L82 PathProgramCache]: Analyzing trace with hash 705971477, now seen corresponding path program 1 times [2020-07-17 22:51:44,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:51:44,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635740120] [2020-07-17 22:51:44,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:51:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:51:44,319 INFO L280 TraceCheckUtils]: 0: Hoare triple {8611#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8604#true} is VALID [2020-07-17 22:51:44,319 INFO L280 TraceCheckUtils]: 1: Hoare triple {8604#true} assume true; {8604#true} is VALID [2020-07-17 22:51:44,320 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {8604#true} {8604#true} #223#return; {8604#true} is VALID [2020-07-17 22:51:44,320 INFO L263 TraceCheckUtils]: 0: Hoare triple {8604#true} call ULTIMATE.init(); {8611#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} is VALID [2020-07-17 22:51:44,321 INFO L280 TraceCheckUtils]: 1: Hoare triple {8611#(and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|))} ~__return_main~0 := 0;~__return_375~0 := 0; {8604#true} is VALID [2020-07-17 22:51:44,321 INFO L280 TraceCheckUtils]: 2: Hoare triple {8604#true} assume true; {8604#true} is VALID [2020-07-17 22:51:44,321 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {8604#true} {8604#true} #223#return; {8604#true} is VALID [2020-07-17 22:51:44,321 INFO L263 TraceCheckUtils]: 4: Hoare triple {8604#true} call #t~ret7 := main(); {8604#true} is VALID [2020-07-17 22:51:44,321 INFO L280 TraceCheckUtils]: 5: Hoare triple {8604#true} havoc ~main__scheme~0;havoc ~main__urilen~0;havoc ~main__tokenlen~0;havoc ~main__cp~0;havoc ~main__c~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~main__urilen~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~main__tokenlen~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~main__scheme~0 := #t~nondet2;havoc #t~nondet2; {8604#true} is VALID [2020-07-17 22:51:44,321 INFO L280 TraceCheckUtils]: 6: Hoare triple {8604#true} assume !!(~main__urilen~0 <= 1000000); {8604#true} is VALID [2020-07-17 22:51:44,321 INFO L280 TraceCheckUtils]: 7: Hoare triple {8604#true} assume !!(~main__urilen~0 >= -1000000); {8604#true} is VALID [2020-07-17 22:51:44,321 INFO L280 TraceCheckUtils]: 8: Hoare triple {8604#true} assume !!(~main__tokenlen~0 <= 1000000); {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 9: Hoare triple {8604#true} assume !!(~main__tokenlen~0 >= -1000000); {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 10: Hoare triple {8604#true} assume !!(~main__scheme~0 <= 1000000); {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 11: Hoare triple {8604#true} assume !!(~main__scheme~0 >= -1000000); {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 12: Hoare triple {8604#true} assume ~main__urilen~0 > 0; {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 13: Hoare triple {8604#true} assume ~main__tokenlen~0 > 0; {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 14: Hoare triple {8604#true} assume ~main__scheme~0 >= 0; {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 15: Hoare triple {8604#true} assume !(0 == ~main__scheme~0); {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 16: Hoare triple {8604#true} assume !(~main__urilen~0 - 1 < ~main__scheme~0);~main__cp~0 := ~main__scheme~0;havoc ~__tmp_1~0;~__tmp_1~0 := (if ~main__cp~0 - 1 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~0;~__VERIFIER_assert__cond~0 := ~__tmp_1~0; {8604#true} is VALID [2020-07-17 22:51:44,322 INFO L280 TraceCheckUtils]: 17: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~0);havoc ~__tmp_2~0;~__tmp_2~0 := (if 0 <= ~main__cp~0 - 1 then 1 else 0);havoc ~__VERIFIER_assert__cond~1;~__VERIFIER_assert__cond~1 := ~__tmp_2~0; {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 18: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~1);havoc ~main____CPAchecker_TMP_0~0;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~main____CPAchecker_TMP_0~0 := #t~nondet3;havoc #t~nondet3; {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 19: Hoare triple {8604#true} assume !(0 == ~main____CPAchecker_TMP_0~0);havoc ~__tmp_3~0;~__tmp_3~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~2;~__VERIFIER_assert__cond~2 := ~__tmp_3~0; {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 20: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~2);havoc ~__tmp_4~0;~__tmp_4~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~3;~__VERIFIER_assert__cond~3 := ~__tmp_4~0; {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 21: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~3); {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 22: Hoare triple {8604#true} assume ~main__cp~0 != ~main__urilen~0 - 1;havoc ~main____CPAchecker_TMP_1~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~main____CPAchecker_TMP_1~0 := #t~nondet4;havoc #t~nondet4; {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 23: Hoare triple {8604#true} assume !(0 == ~main____CPAchecker_TMP_1~0); {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 24: Hoare triple {8604#true} havoc ~__tmp_5~0;~__tmp_5~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~4;~__VERIFIER_assert__cond~4 := ~__tmp_5~0; {8604#true} is VALID [2020-07-17 22:51:44,323 INFO L280 TraceCheckUtils]: 25: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~4);havoc ~__tmp_6~0;~__tmp_6~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~5;~__VERIFIER_assert__cond~5 := ~__tmp_6~0; {8604#true} is VALID [2020-07-17 22:51:44,324 INFO L280 TraceCheckUtils]: 26: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~5); {8604#true} is VALID [2020-07-17 22:51:44,324 INFO L280 TraceCheckUtils]: 27: Hoare triple {8604#true} assume !(~main__cp~0 == ~main__urilen~0 - 1);havoc ~__tmp_7~0;~__tmp_7~0 := (if 1 + ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~6;~__VERIFIER_assert__cond~6 := ~__tmp_7~0; {8604#true} is VALID [2020-07-17 22:51:44,324 INFO L280 TraceCheckUtils]: 28: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~6);havoc ~__tmp_8~0;~__tmp_8~0 := (if 0 <= 1 + ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~7;~__VERIFIER_assert__cond~7 := ~__tmp_8~0; {8604#true} is VALID [2020-07-17 22:51:44,324 INFO L280 TraceCheckUtils]: 29: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~7); {8604#true} is VALID [2020-07-17 22:51:44,324 INFO L280 TraceCheckUtils]: 30: Hoare triple {8604#true} assume !(1 + ~main__cp~0 == ~main__urilen~0 - 1);~main__cp~0 := 1 + ~main__cp~0;~main__scheme~0 := ~main__cp~0;havoc ~main____CPAchecker_TMP_2~0;assume -2147483648 <= #t~nondet5 && #t~nondet5 <= 2147483647;~main____CPAchecker_TMP_2~0 := #t~nondet5;havoc #t~nondet5; {8604#true} is VALID [2020-07-17 22:51:44,325 INFO L280 TraceCheckUtils]: 31: Hoare triple {8604#true} assume !(0 == ~main____CPAchecker_TMP_2~0);~main__c~0 := 0;havoc ~__tmp_9~0;~__tmp_9~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~8;~__VERIFIER_assert__cond~8 := ~__tmp_9~0; {8604#true} is VALID [2020-07-17 22:51:44,325 INFO L280 TraceCheckUtils]: 32: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~8);havoc ~__tmp_10~0;~__tmp_10~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~9;~__VERIFIER_assert__cond~9 := ~__tmp_10~0; {8604#true} is VALID [2020-07-17 22:51:44,325 INFO L280 TraceCheckUtils]: 33: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~9); {8604#true} is VALID [2020-07-17 22:51:44,325 INFO L280 TraceCheckUtils]: 34: Hoare triple {8604#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8604#true} is VALID [2020-07-17 22:51:44,325 INFO L280 TraceCheckUtils]: 35: Hoare triple {8604#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8604#true} is VALID [2020-07-17 22:51:44,326 INFO L280 TraceCheckUtils]: 36: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8604#true} is VALID [2020-07-17 22:51:44,326 INFO L280 TraceCheckUtils]: 37: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8604#true} is VALID [2020-07-17 22:51:44,326 INFO L280 TraceCheckUtils]: 38: Hoare triple {8604#true} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8604#true} is VALID [2020-07-17 22:51:44,326 INFO L280 TraceCheckUtils]: 39: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~12);havoc ~__tmp_14~0;~__tmp_14~0 := (if 0 <= ~main__c~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~13;~__VERIFIER_assert__cond~13 := ~__tmp_14~0; {8604#true} is VALID [2020-07-17 22:51:44,326 INFO L280 TraceCheckUtils]: 40: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~13);havoc ~__tmp_15~0;~__tmp_15~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~14;~__VERIFIER_assert__cond~14 := ~__tmp_15~0; {8604#true} is VALID [2020-07-17 22:51:44,327 INFO L280 TraceCheckUtils]: 41: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~14);havoc ~__tmp_16~0;~__tmp_16~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~15;~__VERIFIER_assert__cond~15 := ~__tmp_16~0; {8604#true} is VALID [2020-07-17 22:51:44,327 INFO L280 TraceCheckUtils]: 42: Hoare triple {8604#true} assume !(0 == ~__VERIFIER_assert__cond~15); {8604#true} is VALID [2020-07-17 22:51:44,327 INFO L280 TraceCheckUtils]: 43: Hoare triple {8604#true} ~main__cp~0 := 1 + ~main__cp~0; {8604#true} is VALID [2020-07-17 22:51:44,327 INFO L280 TraceCheckUtils]: 44: Hoare triple {8604#true} assume ~main__cp~0 != ~main__urilen~0 - 1; {8604#true} is VALID [2020-07-17 22:51:44,328 INFO L280 TraceCheckUtils]: 45: Hoare triple {8604#true} assume ~main__c~0 < ~main__tokenlen~0 - 1;havoc ~__tmp_11~0;~__tmp_11~0 := (if ~main__cp~0 < ~main__urilen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~10;~__VERIFIER_assert__cond~10 := ~__tmp_11~0; {8609#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-17 22:51:44,329 INFO L280 TraceCheckUtils]: 46: Hoare triple {8609#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~__VERIFIER_assert__cond~10);havoc ~__tmp_12~0;~__tmp_12~0 := (if 0 <= ~main__cp~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~11;~__VERIFIER_assert__cond~11 := ~__tmp_12~0; {8609#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-17 22:51:44,329 INFO L280 TraceCheckUtils]: 47: Hoare triple {8609#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~__VERIFIER_assert__cond~11);havoc ~main____CPAchecker_TMP_3~0;assume -2147483648 <= #t~nondet6 && #t~nondet6 <= 2147483647;~main____CPAchecker_TMP_3~0 := #t~nondet6;havoc #t~nondet6; {8609#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} is VALID [2020-07-17 22:51:44,330 INFO L280 TraceCheckUtils]: 48: Hoare triple {8609#(<= (+ main_~main__c~0 2) main_~main__tokenlen~0)} assume !(0 == ~main____CPAchecker_TMP_3~0);~main__c~0 := 1 + ~main__c~0;havoc ~__tmp_13~0;~__tmp_13~0 := (if ~main__c~0 < ~main__tokenlen~0 then 1 else 0);havoc ~__VERIFIER_assert__cond~12;~__VERIFIER_assert__cond~12 := ~__tmp_13~0; {8610#(not (= main_~__VERIFIER_assert__cond~12 0))} is VALID [2020-07-17 22:51:44,332 INFO L280 TraceCheckUtils]: 49: Hoare triple {8610#(not (= main_~__VERIFIER_assert__cond~12 0))} assume 0 == ~__VERIFIER_assert__cond~12; {8605#false} is VALID [2020-07-17 22:51:44,333 INFO L280 TraceCheckUtils]: 50: Hoare triple {8605#false} assume !false; {8605#false} is VALID [2020-07-17 22:51:44,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-17 22:51:44,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635740120] [2020-07-17 22:51:44,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:51:44,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 22:51:44,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040899052] [2020-07-17 22:51:44,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-17 22:51:44,336 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:51:44,336 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 22:51:44,411 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:44,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 22:51:44,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:51:44,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 22:51:44,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:51:44,413 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand 5 states. [2020-07-17 22:51:44,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:44,975 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2020-07-17 22:51:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:51:44,975 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-07-17 22:51:44,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:51:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 62 transitions. [2020-07-17 22:51:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 22:51:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 62 transitions. [2020-07-17 22:51:44,981 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 62 transitions. [2020-07-17 22:51:45,101 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:51:45,101 INFO L225 Difference]: With dead ends: 60 [2020-07-17 22:51:45,102 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 22:51:45,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-17 22:51:45,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 22:51:45,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 22:51:45,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:51:45,105 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-17 22:51:45,105 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:51:45,105 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:51:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:45,106 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:51:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:51:45,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:45,107 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:45,107 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:51:45,107 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:51:45,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:51:45,108 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:51:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:51:45,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:45,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:51:45,109 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:51:45,109 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:51:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 22:51:45,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 22:51:45,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-07-17 22:51:45,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:51:45,110 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 22:51:45,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 22:51:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:51:45,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:51:45,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-07-17 22:51:45,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 22:51:45,413 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2020-07-17 22:51:45,580 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2020-07-17 22:51:45,874 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2020-07-17 22:51:46,422 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-07-17 22:51:46,702 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 31 [2020-07-17 22:51:47,035 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 75 [2020-07-17 22:51:47,043 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:51:47,043 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_375~0 |old(~__return_375~0)|)) [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 22:51:47,044 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point L192(lines 192 352) no Hoare annotation was computed. [2020-07-17 22:51:47,044 INFO L268 CegarLoopResult]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point L382(lines 382 391) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point L93(lines 93 410) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point L27(lines 27 435) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 437) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L264 CegarLoopResult]: At program point L399(lines 129 400) the Hoare annotation is: (and (< main_~main__cp~0 main_~main__urilen~0) (= |old(~__return_375~0)| ~__return_375~0) (= 1 main_~__VERIFIER_assert__cond~3) (let ((.cse0 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse1 (<= 1 main_~main__cp~0)) (.cse2 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse3 (< 0 main_~main__scheme~0))) (or (and (not (= 0 main_~__VERIFIER_assert__cond~2)) .cse0 (not (= main_~__VERIFIER_assert__cond~16 0)) .cse1 .cse2 .cse3) (and (= 1 main_~__VERIFIER_assert__cond~2) .cse0 .cse1 .cse2 .cse3)))) [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 253) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point L102(lines 102 409) no Hoare annotation was computed. [2020-07-17 22:51:47,045 INFO L268 CegarLoopResult]: For program point L69(lines 69 414) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L264 CegarLoopResult]: At program point L325(lines 260 326) the Hoare annotation is: (let ((.cse19 (+ main_~main__cp~0 1))) (let ((.cse0 (= 1 main_~__VERIFIER_assert__cond~9)) (.cse1 (not (= 0 main_~__VERIFIER_assert__cond~8))) (.cse2 (not (= 0 main_~__VERIFIER_assert__cond~2))) (.cse3 (not (= 0 main_~__VERIFIER_assert__cond~5))) (.cse4 (not (= .cse19 main_~main__urilen~0))) (.cse5 (<= 1 main_~__VERIFIER_assert__cond~4)) (.cse6 (= |old(~__return_375~0)| ~__return_375~0)) (.cse7 (= 1 main_~__VERIFIER_assert__cond~3)) (.cse8 (not (= 0 main_~__VERIFIER_assert__cond~6))) (.cse9 (= main_~__VERIFIER_assert__cond~10 1)) (.cse10 (not (= 0 main_~__VERIFIER_assert__cond~7))) (.cse11 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse12 (not (= main_~__VERIFIER_assert__cond~10 0))) (.cse13 (not (= 0 main_~__VERIFIER_assert__cond~9))) (.cse14 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse15 (<= .cse19 main_~main__urilen~0)) (.cse16 (<= 1 main_~main__cp~0)) (.cse17 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse18 (< 0 main_~main__scheme~0))) (or (and .cse0 .cse1 .cse2 (= 0 main_~main__c~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~14 0)) .cse3 .cse4 (not (= main_~__VERIFIER_assert__cond~15 0)) .cse5 .cse6 .cse7 .cse8 .cse9 (not (= main_~__VERIFIER_assert__cond~13 0)) .cse10 .cse11 (<= 0 main_~main__c~0) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 (not (= main_~__VERIFIER_assert__cond~12 0)))))) [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point L292(lines 292 316) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point L160(lines 160 357) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point L61(lines 61 420) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point L251(lines 251 327) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point L185(lines 185 353) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L264 CegarLoopResult]: At program point L408(lines 102 409) the Hoare annotation is: (and (not (= 0 main_~__VERIFIER_assert__cond~0)) (= |old(~__return_375~0)| ~__return_375~0)) [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point L210(lines 210 344) no Hoare annotation was computed. [2020-07-17 22:51:47,046 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point L45(lines 45 432) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point L268(lines 268 320) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 294) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point L202(lines 202 351) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point L260(lines 260 326) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point L153(lines 153 358) no Hoare annotation was computed. [2020-07-17 22:51:47,047 INFO L268 CegarLoopResult]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point L21(lines 21 436) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 437) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 282) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point L63(lines 63 415) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 437) the Hoare annotation is: (= |old(~__return_375~0)| ~__return_375~0) [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point L121(lines 121 401) no Hoare annotation was computed. [2020-07-17 22:51:47,048 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-17 22:51:47,049 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-07-17 22:51:47,049 INFO L268 CegarLoopResult]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2020-07-17 22:51:47,049 INFO L268 CegarLoopResult]: For program point L39(lines 39 433) no Hoare annotation was computed. [2020-07-17 22:51:47,049 INFO L268 CegarLoopResult]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2020-07-17 22:51:47,049 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-07-17 22:51:47,049 INFO L268 CegarLoopResult]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2020-07-17 22:51:47,049 INFO L268 CegarLoopResult]: For program point L370(lines 370 393) no Hoare annotation was computed. [2020-07-17 22:51:47,050 INFO L268 CegarLoopResult]: For program point L81(lines 81 412) no Hoare annotation was computed. [2020-07-17 22:51:47,050 INFO L268 CegarLoopResult]: For program point L304(lines 304 314) no Hoare annotation was computed. [2020-07-17 22:51:47,050 INFO L268 CegarLoopResult]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2020-07-17 22:51:47,050 INFO L268 CegarLoopResult]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-07-17 22:51:47,050 INFO L268 CegarLoopResult]: For program point L222(lines 222 342) no Hoare annotation was computed. [2020-07-17 22:51:47,050 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-17 22:51:47,050 INFO L268 CegarLoopResult]: For program point L57(lines 57 430) no Hoare annotation was computed. [2020-07-17 22:51:47,051 INFO L264 CegarLoopResult]: At program point L313(lines 228 342) the Hoare annotation is: (let ((.cse17 (+ main_~main__cp~0 1))) (let ((.cse9 (<= 1 main_~__VERIFIER_assert__cond~10)) (.cse10 (not (= main_~__VERIFIER_assert__cond~11 0))) (.cse0 (= 1 main_~__VERIFIER_assert__cond~9)) (.cse1 (not (= 0 main_~__VERIFIER_assert__cond~8))) (.cse2 (not (= 0 main_~__VERIFIER_assert__cond~2))) (.cse16 (= 0 main_~main__c~0)) (.cse3 (not (= 0 main_~__VERIFIER_assert__cond~5))) (.cse4 (<= 1 main_~__VERIFIER_assert__cond~4)) (.cse5 (= |old(~__return_375~0)| ~__return_375~0)) (.cse6 (= 1 main_~__VERIFIER_assert__cond~3)) (.cse7 (not (= 0 main_~__VERIFIER_assert__cond~6))) (.cse8 (not (= 0 main_~__VERIFIER_assert__cond~7))) (.cse11 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse12 (<= .cse17 main_~main__urilen~0)) (.cse14 (<= 1 main_~main__cp~0)) (.cse13 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse15 (< 0 main_~main__scheme~0))) (or (and .cse0 .cse1 .cse2 (not (= main_~__VERIFIER_assert__cond~14 0)) .cse3 (not (= main_~__VERIFIER_assert__cond~15 0)) .cse4 .cse5 .cse6 .cse7 (not (= main_~__VERIFIER_assert__cond~13 0)) .cse8 .cse9 .cse10 .cse11 .cse12 (<= 0 main_~main__c~0) .cse13 .cse14 .cse15 (not (= main_~__VERIFIER_assert__cond~12 0))) (and .cse0 .cse1 .cse2 .cse16 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (<= (+ main_~main__c~0 2) main_~main__tokenlen~0) .cse14 .cse13 .cse15) (and (< .cse17 main_~main__urilen~0) .cse0 .cse1 .cse2 .cse16 .cse3 .cse4 .cse5 .cse6 (= 1 main_~__VERIFIER_assert__cond~8) .cse7 .cse8 .cse11 .cse12 .cse14 .cse13 .cse15)))) [2020-07-17 22:51:47,051 INFO L268 CegarLoopResult]: For program point L280(lines 280 318) no Hoare annotation was computed. [2020-07-17 22:51:47,051 INFO L268 CegarLoopResult]: For program point L239(lines 239 329) no Hoare annotation was computed. [2020-07-17 22:51:47,051 INFO L268 CegarLoopResult]: For program point L173(lines 173 355) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 241) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point L33(lines 33 434) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point L306(line 306) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point L141(lines 141 360) no Hoare annotation was computed. [2020-07-17 22:51:47,052 INFO L268 CegarLoopResult]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 224) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point L232(lines 232 336) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point L133(lines 133 395) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 143) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point L59(lines 59 425) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point L282(line 282) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point L51(lines 51 431) no Hoare annotation was computed. [2020-07-17 22:51:47,053 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-07-17 22:51:47,054 INFO L268 CegarLoopResult]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 270) no Hoare annotation was computed. [2020-07-17 22:51:47,054 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 22:51:47,054 INFO L268 CegarLoopResult]: For program point L109(lines 109 403) no Hoare annotation was computed. [2020-07-17 22:51:47,054 INFO L264 CegarLoopResult]: At program point L390(lines 127 401) the Hoare annotation is: (and (let ((.cse0 (<= (+ main_~main__cp~0 1) main_~main__urilen~0)) (.cse1 (not (= 0 main_~__VERIFIER_assert__cond~0))) (.cse2 (= 1 main_~__VERIFIER_assert__cond~3)) (.cse3 (<= 1 main_~main__cp~0)) (.cse4 (not (= 0 main_~__VERIFIER_assert__cond~1))) (.cse5 (< 0 main_~main__scheme~0))) (or (and (= 1 main_~__VERIFIER_assert__cond~2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~__VERIFIER_assert__cond~16) (not (= 0 main_~__VERIFIER_assert__cond~2)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= main_~__VERIFIER_assert__cond~17 0))))) (= |old(~__return_375~0)| ~__return_375~0)) [2020-07-17 22:51:47,058 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:51:47,059 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-17 22:51:47,059 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:51:47,059 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:51:47,059 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:51:47,059 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-17 22:51:47,059 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-17 22:51:47,059 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: L5-2 has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:51:47,060 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-17 22:51:47,061 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L69 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-17 22:51:47,062 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L121 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-17 22:51:47,063 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-17 22:51:47,066 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-17 22:51:47,066 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-17 22:51:47,066 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-17 22:51:47,066 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L372 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L143 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L143 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L153 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-17 22:51:47,067 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L187 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L192 has no Hoare annotation [2020-07-17 22:51:47,068 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L210 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L224 has no Hoare annotation [2020-07-17 22:51:47,069 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-17 22:51:47,071 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-17 22:51:47,071 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-17 22:51:47,071 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-17 22:51:47,071 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-17 22:51:47,071 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-17 22:51:47,071 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-17 22:51:47,071 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-17 22:51:47,072 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-17 22:51:47,072 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-17 22:51:47,072 WARN L170 areAnnotationChecker]: L253 has no Hoare annotation [2020-07-17 22:51:47,072 WARN L170 areAnnotationChecker]: L260 has no Hoare annotation [2020-07-17 22:51:47,072 WARN L170 areAnnotationChecker]: L260 has no Hoare annotation [2020-07-17 22:51:47,072 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-17 22:51:47,072 WARN L170 areAnnotationChecker]: L268 has no Hoare annotation [2020-07-17 22:51:47,075 WARN L170 areAnnotationChecker]: L270 has no Hoare annotation [2020-07-17 22:51:47,075 WARN L170 areAnnotationChecker]: L270 has no Hoare annotation [2020-07-17 22:51:47,075 WARN L170 areAnnotationChecker]: L280 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L280 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L282 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L282 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L292 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L292 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-17 22:51:47,076 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-17 22:51:47,077 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:51:47,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:51:47 BoogieIcfgContainer [2020-07-17 22:51:47,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:51:47,120 INFO L168 Benchmark]: Toolchain (without parser) took 32112.60 ms. Allocated memory was 144.2 MB in the beginning and 428.3 MB in the end (delta: 284.2 MB). Free memory was 100.9 MB in the beginning and 378.3 MB in the end (delta: -277.4 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:47,121 INFO L168 Benchmark]: CDTParser took 2.79 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:51:47,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.27 ms. Allocated memory is still 144.2 MB. Free memory was 100.5 MB in the beginning and 85.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:47,122 INFO L168 Benchmark]: Boogie Preprocessor took 139.76 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 85.9 MB in the beginning and 178.8 MB in the end (delta: -92.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:47,126 INFO L168 Benchmark]: RCFGBuilder took 982.82 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 130.9 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:51:47,126 INFO L168 Benchmark]: TraceAbstraction took 30565.20 ms. Allocated memory was 201.3 MB in the beginning and 428.3 MB in the end (delta: 227.0 MB). Free memory was 130.9 MB in the beginning and 378.3 MB in the end (delta: -247.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:51:47,128 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 2.79 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 417.27 ms. Allocated memory is still 144.2 MB. Free memory was 100.5 MB in the beginning and 85.9 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.76 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 85.9 MB in the beginning and 178.8 MB in the end (delta: -92.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 982.82 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 130.9 MB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30565.20 ms. Allocated memory was 201.3 MB in the beginning and 428.3 MB in the end (delta: 227.0 MB). Free memory was 130.9 MB in the beginning and 378.3 MB in the end (delta: -247.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 306]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 282]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 241]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 294]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 270]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 143]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 253]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 111]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 155]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 123]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((1 == __VERIFIER_assert__cond && main__cp + 1 <= main__urilen) && !(0 == __VERIFIER_assert__cond)) && 1 == __VERIFIER_assert__cond) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) || ((((((((1 <= __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && !(0 == __VERIFIER_assert__cond)) && 1 == __VERIFIER_assert__cond) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0))) && \old(__return_375) == __return_375 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: !(0 == __VERIFIER_assert__cond) && \old(__return_375) == __return_375 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((((((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && 0 <= main__c) && !(0 == __VERIFIER_assert__cond)) && 1 <= main__cp) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) || (((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 0 == main__c) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && main__c + 2 <= main__tokenlen) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme)) || ((((((((((((((((main__cp + 1 < main__urilen && 1 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 0 == main__c) && !(0 == __VERIFIER_assert__cond)) && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && 1 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((main__cp < main__urilen && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && ((((((!(0 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) || ((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme)) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 0 == main__c) && !(0 == __VERIFIER_assert__cond)) && !(main__cp + 1 == main__urilen)) && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && __VERIFIER_assert__cond == 1) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && main__c + 2 <= main__tokenlen) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) || (((((((((((((((((((((((1 == __VERIFIER_assert__cond && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(main__cp + 1 == main__urilen)) && !(__VERIFIER_assert__cond == 0)) && 1 <= __VERIFIER_assert__cond) && \old(__return_375) == __return_375) && 1 == __VERIFIER_assert__cond) && !(0 == __VERIFIER_assert__cond)) && __VERIFIER_assert__cond == 1) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(__VERIFIER_assert__cond == 0)) && 0 <= main__c) && !(__VERIFIER_assert__cond == 0)) && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && main__cp + 1 <= main__urilen) && 1 <= main__cp) && !(0 == __VERIFIER_assert__cond)) && 0 < main__scheme) && !(__VERIFIER_assert__cond == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 91 locations, 18 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.4s, OverallIterations: 24, TraceHistogramMax: 2, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1392 SDtfs, 3955 SDslu, 353 SDs, 0 SdLazy, 2566 SolverSat, 203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 368 GetRequests, 179 SyntacticMatches, 7 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 24 MinimizatonAttempts, 288 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 17 NumberOfFragments, 520 HoareAnnotationTreeSize, 9 FomulaSimplifications, 66208 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 12635 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 906 NumberOfCodeBlocks, 906 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 69166 SizeOfPredicates, 15 NumberOfNonLiveVariables, 359 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 15/27 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...