/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 02:05:47,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 02:05:47,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 02:05:47,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 02:05:47,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 02:05:47,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 02:05:47,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 02:05:47,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 02:05:47,226 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 02:05:47,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 02:05:47,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 02:05:47,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 02:05:47,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 02:05:47,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 02:05:47,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 02:05:47,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 02:05:47,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 02:05:47,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 02:05:47,236 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 02:05:47,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 02:05:47,238 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 02:05:47,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 02:05:47,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 02:05:47,238 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 02:05:47,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 02:05:47,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 02:05:47,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 02:05:47,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 02:05:47,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 02:05:47,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 02:05:47,240 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 02:05:47,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 02:05:47,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 02:05:47,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 02:05:47,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 02:05:47,746 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 02:05:47,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-11-07 02:05:47,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d41237aa/0182473da90049aca5d0403a8cae00c7/FLAGd540c3ffe [2020-11-07 02:05:48,644 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 02:05:48,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-11-07 02:05:48,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d41237aa/0182473da90049aca5d0403a8cae00c7/FLAGd540c3ffe [2020-11-07 02:05:48,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d41237aa/0182473da90049aca5d0403a8cae00c7 [2020-11-07 02:05:48,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 02:05:48,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 02:05:48,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 02:05:48,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 02:05:48,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 02:05:48,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:05:48" (1/1) ... [2020-11-07 02:05:48,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a20cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:48, skipping insertion in model container [2020-11-07 02:05:48,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:05:48" (1/1) ... [2020-11-07 02:05:48,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 02:05:49,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 02:05:49,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 02:05:49,286 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 02:05:49,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 02:05:49,347 INFO L208 MainTranslator]: Completed translation [2020-11-07 02:05:49,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49 WrapperNode [2020-11-07 02:05:49,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 02:05:49,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 02:05:49,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 02:05:49,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 02:05:49,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (1/1) ... [2020-11-07 02:05:49,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (1/1) ... [2020-11-07 02:05:49,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (1/1) ... [2020-11-07 02:05:49,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (1/1) ... [2020-11-07 02:05:49,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (1/1) ... [2020-11-07 02:05:49,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (1/1) ... [2020-11-07 02:05:49,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (1/1) ... [2020-11-07 02:05:49,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 02:05:49,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 02:05:49,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 02:05:49,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 02:05:49,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (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 [2020-11-07 02:05:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 02:05:49,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 02:05:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 02:05:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-07 02:05:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-07 02:05:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 02:05:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 02:05:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 02:05:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-11-07 02:05:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-11-07 02:05:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 02:05:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 02:05:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-07 02:05:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-07 02:05:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 02:05:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 02:05:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 02:05:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 02:05:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 02:05:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 02:05:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 02:05:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 02:05:50,248 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 02:05:50,249 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-11-07 02:05:50,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:05:50 BoogieIcfgContainer [2020-11-07 02:05:50,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 02:05:50,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 02:05:50,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 02:05:50,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 02:05:50,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:05:48" (1/3) ... [2020-11-07 02:05:50,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ab3779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:05:50, skipping insertion in model container [2020-11-07 02:05:50,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:05:49" (2/3) ... [2020-11-07 02:05:50,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ab3779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:05:50, skipping insertion in model container [2020-11-07 02:05:50,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:05:50" (3/3) ... [2020-11-07 02:05:50,267 INFO L111 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2020-11-07 02:05:50,289 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 02:05:50,294 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 02:05:50,310 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 02:05:50,359 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 02:05:50,360 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 02:05:50,361 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 02:05:50,362 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 02:05:50,362 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 02:05:50,362 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 02:05:50,362 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 02:05:50,363 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 02:05:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-11-07 02:05:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-07 02:05:50,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:05:50,426 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] [2020-11-07 02:05:50,426 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:05:50,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:05:50,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1591405496, now seen corresponding path program 1 times [2020-11-07 02:05:50,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:05:50,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667875150] [2020-11-07 02:05:50,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:05:50,568 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:05:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:50,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:05:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 02:05:50,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667875150] [2020-11-07 02:05:50,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:05:50,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 02:05:50,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189281237] [2020-11-07 02:05:50,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 02:05:50,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:05:50,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 02:05:50,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-07 02:05:50,970 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 7 states. [2020-11-07 02:05:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:05:52,046 INFO L93 Difference]: Finished difference Result 193 states and 291 transitions. [2020-11-07 02:05:52,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 02:05:52,049 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-11-07 02:05:52,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:05:52,062 INFO L225 Difference]: With dead ends: 193 [2020-11-07 02:05:52,062 INFO L226 Difference]: Without dead ends: 112 [2020-11-07 02:05:52,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-11-07 02:05:52,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-11-07 02:05:52,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 102. [2020-11-07 02:05:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-11-07 02:05:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 125 transitions. [2020-11-07 02:05:52,162 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 125 transitions. Word has length 39 [2020-11-07 02:05:52,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:05:52,163 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 125 transitions. [2020-11-07 02:05:52,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 02:05:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 125 transitions. [2020-11-07 02:05:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-07 02:05:52,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:05:52,166 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:05:52,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 02:05:52,167 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:05:52,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:05:52,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1635530832, now seen corresponding path program 1 times [2020-11-07 02:05:52,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:05:52,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032037411] [2020-11-07 02:05:52,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:05:52,177 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:05:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:52,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:05:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 02:05:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 02:05:52,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032037411] [2020-11-07 02:05:52,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:05:52,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 02:05:52,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300598857] [2020-11-07 02:05:52,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 02:05:52,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:05:52,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 02:05:52,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-07 02:05:52,405 INFO L87 Difference]: Start difference. First operand 102 states and 125 transitions. Second operand 8 states. [2020-11-07 02:05:53,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:05:53,102 INFO L93 Difference]: Finished difference Result 110 states and 132 transitions. [2020-11-07 02:05:53,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-07 02:05:53,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-11-07 02:05:53,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:05:53,108 INFO L225 Difference]: With dead ends: 110 [2020-11-07 02:05:53,108 INFO L226 Difference]: Without dead ends: 106 [2020-11-07 02:05:53,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-11-07 02:05:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-07 02:05:53,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-11-07 02:05:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-07 02:05:53,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2020-11-07 02:05:53,151 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 44 [2020-11-07 02:05:53,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:05:53,151 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2020-11-07 02:05:53,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 02:05:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2020-11-07 02:05:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-07 02:05:53,155 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:05:53,155 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:05:53,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 02:05:53,156 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:05:53,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:05:53,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1417093932, now seen corresponding path program 1 times [2020-11-07 02:05:53,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:05:53,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335634715] [2020-11-07 02:05:53,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:05:53,161 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:05:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:05:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 02:05:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 02:05:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 02:05:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 02:05:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 02:05:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 02:05:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-07 02:05:53,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335634715] [2020-11-07 02:05:53,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:05:53,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 02:05:53,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122530602] [2020-11-07 02:05:53,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 02:05:53,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:05:53,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 02:05:53,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 02:05:53,310 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand 4 states. [2020-11-07 02:05:53,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:05:53,745 INFO L93 Difference]: Finished difference Result 151 states and 184 transitions. [2020-11-07 02:05:53,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 02:05:53,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2020-11-07 02:05:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:05:53,750 INFO L225 Difference]: With dead ends: 151 [2020-11-07 02:05:53,750 INFO L226 Difference]: Without dead ends: 106 [2020-11-07 02:05:53,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 02:05:53,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-11-07 02:05:53,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-11-07 02:05:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-07 02:05:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 126 transitions. [2020-11-07 02:05:53,820 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 126 transitions. Word has length 74 [2020-11-07 02:05:53,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:05:53,826 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 126 transitions. [2020-11-07 02:05:53,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 02:05:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 126 transitions. [2020-11-07 02:05:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-07 02:05:53,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:05:53,828 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:05:53,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 02:05:53,832 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:05:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:05:53,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1237786455, now seen corresponding path program 1 times [2020-11-07 02:05:53,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:05:53,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295422387] [2020-11-07 02:05:53,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:05:53,840 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:05:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:05:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 02:05:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 02:05:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 02:05:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 02:05:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-11-07 02:05:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-11-07 02:05:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-07 02:05:54,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295422387] [2020-11-07 02:05:54,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:05:54,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 02:05:54,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935537346] [2020-11-07 02:05:54,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 02:05:54,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:05:54,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 02:05:54,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-07 02:05:54,104 INFO L87 Difference]: Start difference. First operand 106 states and 126 transitions. Second operand 8 states. [2020-11-07 02:05:54,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:05:54,785 INFO L93 Difference]: Finished difference Result 114 states and 133 transitions. [2020-11-07 02:05:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-07 02:05:54,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-11-07 02:05:54,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:05:54,789 INFO L225 Difference]: With dead ends: 114 [2020-11-07 02:05:54,789 INFO L226 Difference]: Without dead ends: 110 [2020-11-07 02:05:54,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-11-07 02:05:54,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-07 02:05:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-07 02:05:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-07 02:05:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-11-07 02:05:54,823 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 77 [2020-11-07 02:05:54,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:05:54,823 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-11-07 02:05:54,824 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 02:05:54,824 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-11-07 02:05:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-07 02:05:54,827 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:05:54,827 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:05:54,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 02:05:54,828 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:05:54,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:05:54,829 INFO L82 PathProgramCache]: Analyzing trace with hash 84471203, now seen corresponding path program 1 times [2020-11-07 02:05:54,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:05:54,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520151314] [2020-11-07 02:05:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:05:54,833 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:05:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:05:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 02:05:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 02:05:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 02:05:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 02:05:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-11-07 02:05:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-11-07 02:05:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-07 02:05:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-07 02:05:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-11-07 02:05:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 02:05:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-11-07 02:05:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-11-07 02:05:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-11-07 02:05:55,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520151314] [2020-11-07 02:05:55,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:05:55,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 02:05:55,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147356325] [2020-11-07 02:05:55,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 02:05:55,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:05:55,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 02:05:55,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-07 02:05:55,158 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 7 states. [2020-11-07 02:05:55,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:05:55,771 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2020-11-07 02:05:55,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 02:05:55,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 123 [2020-11-07 02:05:55,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:05:55,779 INFO L225 Difference]: With dead ends: 123 [2020-11-07 02:05:55,780 INFO L226 Difference]: Without dead ends: 119 [2020-11-07 02:05:55,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-11-07 02:05:55,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-11-07 02:05:55,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2020-11-07 02:05:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-07 02:05:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-11-07 02:05:55,839 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 123 [2020-11-07 02:05:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:05:55,841 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-11-07 02:05:55,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 02:05:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-11-07 02:05:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-07 02:05:55,855 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 02:05:55,856 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 02:05:55,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 02:05:55,857 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 02:05:55,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 02:05:55,858 INFO L82 PathProgramCache]: Analyzing trace with hash -749261739, now seen corresponding path program 1 times [2020-11-07 02:05:55,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 02:05:55,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470102500] [2020-11-07 02:05:55,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 02:05:55,863 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 02:05:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 02:05:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-07 02:05:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-07 02:05:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 02:05:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 02:05:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-11-07 02:05:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-11-07 02:05:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-07 02:05:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-07 02:05:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-11-07 02:05:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 02:05:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-11-07 02:05:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-11-07 02:05:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-11-07 02:05:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 02:05:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-11-07 02:05:56,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470102500] [2020-11-07 02:05:56,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 02:05:56,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 02:05:56,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77342891] [2020-11-07 02:05:56,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 02:05:56,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 02:05:56,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 02:05:56,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-07 02:05:56,107 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2020-11-07 02:05:56,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 02:05:56,740 INFO L93 Difference]: Finished difference Result 126 states and 147 transitions. [2020-11-07 02:05:56,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-07 02:05:56,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 128 [2020-11-07 02:05:56,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 02:05:56,744 INFO L225 Difference]: With dead ends: 126 [2020-11-07 02:05:56,744 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 02:05:56,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-11-07 02:05:56,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 02:05:56,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 02:05:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 02:05:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 02:05:56,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 128 [2020-11-07 02:05:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 02:05:56,749 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 02:05:56,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 02:05:56,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 02:05:56,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 02:05:56,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 02:05:56,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 02:05:57,700 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:05:57,850 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:05:57,954 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:05:58,471 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:05:58,680 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 20 [2020-11-07 02:05:59,288 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:05:59,482 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:05:59,691 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:05:59,871 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-11-07 02:06:00,140 INFO L269 CegarLoopResult]: At program point reach_errorEXIT(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,140 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,140 INFO L269 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,140 INFO L269 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,141 INFO L269 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,141 INFO L269 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,141 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 02:06:00,142 INFO L269 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-11-07 02:06:00,142 INFO L269 CegarLoopResult]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,142 INFO L269 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,142 INFO L269 CegarLoopResult]: At program point L12-1(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,142 INFO L269 CegarLoopResult]: At program point L12-2(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,142 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-11-07 02:06:00,143 INFO L269 CegarLoopResult]: At program point L12-3(line 12) the Hoare annotation is: true [2020-11-07 02:06:00,143 INFO L269 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-11-07 02:06:00,143 INFO L269 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-11-07 02:06:00,143 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-07 02:06:00,143 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-07 02:06:00,143 INFO L269 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-11-07 02:06:00,143 INFO L266 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2020-11-07 02:06:00,144 INFO L266 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-11-07 02:06:00,144 INFO L266 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2020-11-07 02:06:00,149 INFO L266 CegarLoopResult]: For program point L15-3(lines 14 16) no Hoare annotation was computed. [2020-11-07 02:06:00,150 INFO L266 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2020-11-07 02:06:00,150 INFO L262 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,151 INFO L269 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: true [2020-11-07 02:06:00,151 INFO L269 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: true [2020-11-07 02:06:00,151 INFO L269 CegarLoopResult]: At program point mainEXIT(lines 24 83) the Hoare annotation is: true [2020-11-07 02:06:00,152 INFO L262 CegarLoopResult]: At program point L44(lines 44 80) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,152 INFO L262 CegarLoopResult]: At program point L44-1(line 44) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,152 INFO L262 CegarLoopResult]: At program point L44-3(line 44) the Hoare annotation is: (and (<= (+ main_~cp~0 1) main_~urilen~0) (<= (+ main_~scheme~0 1) main_~urilen~0)) [2020-11-07 02:06:00,152 INFO L262 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,152 INFO L269 CegarLoopResult]: At program point L36(lines 25 83) the Hoare annotation is: true [2020-11-07 02:06:00,153 INFO L262 CegarLoopResult]: At program point L69-1(line 69) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,153 INFO L262 CegarLoopResult]: At program point L69-2(line 69) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,153 INFO L262 CegarLoopResult]: At program point L69-3(lines 69 75) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (<= (+ main_~c~0 1) main_~tokenlen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,153 INFO L262 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,154 INFO L269 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: true [2020-11-07 02:06:00,160 INFO L262 CegarLoopResult]: At program point L61-1(lines 61 79) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,160 INFO L269 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: true [2020-11-07 02:06:00,160 INFO L262 CegarLoopResult]: At program point L61-2(line 61) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,160 INFO L269 CegarLoopResult]: At program point L61-3(line 61) the Hoare annotation is: true [2020-11-07 02:06:00,161 INFO L262 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,161 INFO L262 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,161 INFO L262 CegarLoopResult]: At program point L45-1(line 45) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,161 INFO L262 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,161 INFO L262 CegarLoopResult]: At program point L37(lines 25 83) the Hoare annotation is: (< 0 (+ main_~scheme~0 1)) [2020-11-07 02:06:00,162 INFO L262 CegarLoopResult]: At program point L70-1(line 70) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,162 INFO L262 CegarLoopResult]: At program point L70-2(line 70) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,162 INFO L262 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,162 INFO L269 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: true [2020-11-07 02:06:00,162 INFO L269 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: true [2020-11-07 02:06:00,162 INFO L269 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: true [2020-11-07 02:06:00,163 INFO L262 CegarLoopResult]: At program point L54(lines 44 80) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,163 INFO L269 CegarLoopResult]: At program point mainFINAL(lines 24 83) the Hoare annotation is: true [2020-11-07 02:06:00,163 INFO L262 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,166 INFO L262 CegarLoopResult]: At program point L71-1(line 71) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,166 INFO L262 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: (and (< 0 main_~scheme~0) (= main_~c~0 0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,166 INFO L269 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: true [2020-11-07 02:06:00,167 INFO L262 CegarLoopResult]: At program point L63-1(line 63) the Hoare annotation is: (and (< 0 main_~scheme~0) (= main_~c~0 0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,167 INFO L269 CegarLoopResult]: At program point mainENTRY(lines 24 83) the Hoare annotation is: true [2020-11-07 02:06:00,167 INFO L269 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: true [2020-11-07 02:06:00,167 INFO L269 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: true [2020-11-07 02:06:00,167 INFO L262 CegarLoopResult]: At program point L47-1(lines 46 52) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,167 INFO L262 CegarLoopResult]: At program point L47-2(lines 47 52) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,168 INFO L262 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,169 INFO L269 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: true [2020-11-07 02:06:00,169 INFO L269 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: true [2020-11-07 02:06:00,170 INFO L269 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: true [2020-11-07 02:06:00,170 INFO L262 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,170 INFO L262 CegarLoopResult]: At program point L56-1(line 56) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,170 INFO L269 CegarLoopResult]: At program point L81(lines 25 83) the Hoare annotation is: true [2020-11-07 02:06:00,170 INFO L262 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,171 INFO L262 CegarLoopResult]: At program point L48-1(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,172 INFO L262 CegarLoopResult]: At program point L48-2(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,173 INFO L262 CegarLoopResult]: At program point L48-4(line 48) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,173 INFO L262 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,173 INFO L269 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-11-07 02:06:00,175 INFO L262 CegarLoopResult]: At program point L65-1(lines 64 77) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3))) [2020-11-07 02:06:00,175 INFO L269 CegarLoopResult]: At program point L32-1(line 32) the Hoare annotation is: true [2020-11-07 02:06:00,175 INFO L262 CegarLoopResult]: At program point L57(lines 44 80) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,175 INFO L262 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,175 INFO L262 CegarLoopResult]: At program point L49-1(line 49) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,176 INFO L262 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= (+ main_~scheme~0 1) main_~urilen~0)) [2020-11-07 02:06:00,176 INFO L269 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: true [2020-11-07 02:06:00,176 INFO L269 CegarLoopResult]: At program point L33-1(line 33) the Hoare annotation is: true [2020-11-07 02:06:00,176 INFO L262 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,176 INFO L262 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,176 INFO L262 CegarLoopResult]: At program point L42-1(line 42) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,177 INFO L262 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,177 INFO L269 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: true [2020-11-07 02:06:00,177 INFO L262 CegarLoopResult]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,177 INFO L269 CegarLoopResult]: At program point L34-1(line 34) the Hoare annotation is: true [2020-11-07 02:06:00,177 INFO L262 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,178 INFO L262 CegarLoopResult]: At program point L59-1(line 59) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,178 INFO L262 CegarLoopResult]: At program point L59-2(line 59) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,178 INFO L262 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,178 INFO L262 CegarLoopResult]: At program point L51-1(line 51) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,178 INFO L262 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (<= (+ main_~c~0 1) main_~tokenlen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,179 INFO L262 CegarLoopResult]: At program point L43(line 43) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0)) [2020-11-07 02:06:00,179 INFO L262 CegarLoopResult]: At program point L76-1(line 76) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse3 (<= (+ main_~c~0 1) main_~tokenlen~0)) (.cse4 (< main_~cp~0 main_~urilen~0))) (or (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-11-07 02:06:00,179 INFO L262 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (let ((.cse0 (< 0 main_~scheme~0)) (.cse1 (<= 1 main_~cp~0)) (.cse2 (<= (+ main_~c~0 2) main_~tokenlen~0)) (.cse3 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse4 (not (= (+ main_~cp~0 1) main_~urilen~0))) (.cse5 (< main_~cp~0 main_~urilen~0))) (or (and .cse0 (= main_~c~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (<= 1 main_~c~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-07 02:06:00,179 INFO L269 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: true [2020-11-07 02:06:00,179 INFO L269 CegarLoopResult]: At program point L35-1(lines 25 83) the Hoare annotation is: true [2020-11-07 02:06:00,179 INFO L262 CegarLoopResult]: At program point L18-2(lines 17 22) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-11-07 02:06:00,180 INFO L269 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2020-11-07 02:06:00,180 INFO L262 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-11-07 02:06:00,180 INFO L262 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-07 02:06:00,180 INFO L262 CegarLoopResult]: At program point L18(lines 18 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-11-07 02:06:00,180 INFO L262 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-11-07 02:06:00,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:06:00 BoogieIcfgContainer [2020-11-07 02:06:00,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 02:06:00,229 INFO L168 Benchmark]: Toolchain (without parser) took 11265.27 ms. Allocated memory was 152.0 MB in the beginning and 219.2 MB in the end (delta: 67.1 MB). Free memory was 128.0 MB in the beginning and 149.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 124.5 MB. Max. memory is 8.0 GB. [2020-11-07 02:06:00,230 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 97.9 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 02:06:00,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.88 ms. Allocated memory is still 152.0 MB. Free memory was 127.4 MB in the beginning and 117.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 02:06:00,240 INFO L168 Benchmark]: Boogie Preprocessor took 54.34 ms. Allocated memory is still 152.0 MB. Free memory was 117.1 MB in the beginning and 115.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-07 02:06:00,240 INFO L168 Benchmark]: RCFGBuilder took 847.72 ms. Allocated memory is still 152.0 MB. Free memory was 115.5 MB in the beginning and 118.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. [2020-11-07 02:06:00,241 INFO L168 Benchmark]: TraceAbstraction took 9965.21 ms. Allocated memory was 152.0 MB in the beginning and 219.2 MB in the end (delta: 67.1 MB). Free memory was 117.8 MB in the beginning and 149.3 MB in the end (delta: -31.4 MB). Peak memory consumption was 114.6 MB. Max. memory is 8.0 GB. [2020-11-07 02:06:00,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 97.9 MB in the end (delta: 115.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 379.88 ms. Allocated memory is still 152.0 MB. Free memory was 127.4 MB in the beginning and 117.1 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.34 ms. Allocated memory is still 152.0 MB. Free memory was 117.1 MB in the beginning and 115.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 847.72 ms. Allocated memory is still 152.0 MB. Free memory was 115.5 MB in the beginning and 118.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9965.21 ms. Allocated memory was 152.0 MB in the beginning and 219.2 MB in the end (delta: 67.1 MB). Free memory was 117.8 MB in the beginning and 149.3 MB in the end (delta: -31.4 MB). Peak memory consumption was 114.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((0 < scheme && 1 <= cp) && scheme + 1 <= urilen) && cp < urilen - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((0 < scheme && c == 0) && 1 <= cp) && scheme + 1 <= urilen) && cp < urilen) || ((((1 <= c && 0 < scheme) && 1 <= cp) && scheme + 1 <= urilen) && cp < urilen) - ProcedureContractResult [Line: 12]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 24]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.3s, OverallIterations: 6, TraceHistogramMax: 14, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 543 SDtfs, 663 SDslu, 574 SDs, 0 SdLazy, 1774 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 105 LocationsWithAnnotation, 435 PreInvPairs, 564 NumberOfFragments, 1524 HoareAnnotationTreeSize, 435 FomulaSimplifications, 1648 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 105 FomulaSimplificationsInter, 2776 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...