/usr/bin/java -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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 14:00:00,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 14:00:00,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 14:00:00,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 14:00:00,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 14:00:00,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 14:00:00,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 14:00:00,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 14:00:00,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 14:00:00,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 14:00:00,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 14:00:00,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 14:00:00,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 14:00:00,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 14:00:00,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 14:00:00,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 14:00:00,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 14:00:00,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 14:00:00,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 14:00:00,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 14:00:00,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 14:00:00,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 14:00:00,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 14:00:00,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 14:00:00,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 14:00:00,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 14:00:00,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 14:00:00,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 14:00:00,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 14:00:00,955 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 14:00:00,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 14:00:00,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 14:00:00,958 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 14:00:00,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 14:00:00,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 14:00:00,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 14:00:00,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 14:00:00,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 14:00:00,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 14:00:00,960 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 14:00:00,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 14:00:00,961 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 14:00:00,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 14:00:00,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 14:00:00,962 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 14:00:00,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 14:00:00,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 14:00:00,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 14:00:00,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 14:00:00,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 14:00:00,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 14:00:00,963 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 14:00:01,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 14:00:01,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 14:00:01,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 14:00:01,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 14:00:01,261 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 14:00:01,262 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-07-07 14:00:01,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3198285/e05ab1a9c0774694a2615749d98bcabd/FLAGac0ca538f [2020-07-07 14:00:01,814 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 14:00:01,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2020-07-07 14:00:01,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3198285/e05ab1a9c0774694a2615749d98bcabd/FLAGac0ca538f [2020-07-07 14:00:02,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3198285/e05ab1a9c0774694a2615749d98bcabd [2020-07-07 14:00:02,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 14:00:02,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 14:00:02,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 14:00:02,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 14:00:02,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 14:00:02,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab42f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02, skipping insertion in model container [2020-07-07 14:00:02,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 14:00:02,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 14:00:02,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:00:02,484 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 14:00:02,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:00:02,522 INFO L208 MainTranslator]: Completed translation [2020-07-07 14:00:02,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02 WrapperNode [2020-07-07 14:00:02,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 14:00:02,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 14:00:02,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 14:00:02,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 14:00:02,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (1/1) ... [2020-07-07 14:00:02,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 14:00:02,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 14:00:02,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 14:00:02,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 14:00:02,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (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 [2020-07-07 14:00:02,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 14:00:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 14:00:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-07 14:00:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 14:00:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 14:00:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 14:00:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-07 14:00:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-07 14:00:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 14:00:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 14:00:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 14:00:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 14:00:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 14:00:03,038 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 14:00:03,038 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-07-07 14:00:03,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:00:03 BoogieIcfgContainer [2020-07-07 14:00:03,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 14:00:03,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 14:00:03,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 14:00:03,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 14:00:03,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 02:00:02" (1/3) ... [2020-07-07 14:00:03,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3cc763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:00:03, skipping insertion in model container [2020-07-07 14:00:03,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:00:02" (2/3) ... [2020-07-07 14:00:03,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3cc763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:00:03, skipping insertion in model container [2020-07-07 14:00:03,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:00:03" (3/3) ... [2020-07-07 14:00:03,056 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2020-07-07 14:00:03,069 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 14:00:03,078 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 14:00:03,092 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 14:00:03,115 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 14:00:03,115 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 14:00:03,115 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 14:00:03,116 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 14:00:03,116 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 14:00:03,116 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 14:00:03,116 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 14:00:03,117 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 14:00:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-07-07 14:00:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-07-07 14:00:03,167 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:00:03,168 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] [2020-07-07 14:00:03,168 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:00:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:00:03,177 INFO L82 PathProgramCache]: Analyzing trace with hash 60896664, now seen corresponding path program 1 times [2020-07-07 14:00:03,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:00:03,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510244879] [2020-07-07 14:00:03,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:00:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:00:03,459 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:00:03,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510244879] [2020-07-07 14:00:03,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:00:03,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 14:00:03,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116266856] [2020-07-07 14:00:03,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 14:00:03,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:00:03,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 14:00:03,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-07 14:00:03,483 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 6 states. [2020-07-07 14:00:03,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:00:03,832 INFO L93 Difference]: Finished difference Result 178 states and 273 transitions. [2020-07-07 14:00:03,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 14:00:03,834 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-07-07 14:00:03,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:00:03,846 INFO L225 Difference]: With dead ends: 178 [2020-07-07 14:00:03,847 INFO L226 Difference]: Without dead ends: 103 [2020-07-07 14:00:03,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:00:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-07-07 14:00:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2020-07-07 14:00:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-07 14:00:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2020-07-07 14:00:03,939 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 30 [2020-07-07 14:00:03,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:00:03,940 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2020-07-07 14:00:03,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 14:00:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2020-07-07 14:00:03,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-07 14:00:03,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:00:03,944 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:00:03,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 14:00:03,946 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:00:03,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:00:03,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1464371663, now seen corresponding path program 1 times [2020-07-07 14:00:03,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:00:03,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157763088] [2020-07-07 14:00:03,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:00:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:00:04,119 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:00:04,119 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157763088] [2020-07-07 14:00:04,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:00:04,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:00:04,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003659237] [2020-07-07 14:00:04,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:00:04,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:00:04,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:00:04,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:00:04,122 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand 7 states. [2020-07-07 14:00:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:00:04,422 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions. [2020-07-07 14:00:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 14:00:04,423 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-07-07 14:00:04,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:00:04,433 INFO L225 Difference]: With dead ends: 99 [2020-07-07 14:00:04,433 INFO L226 Difference]: Without dead ends: 97 [2020-07-07 14:00:04,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-07 14:00:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-07 14:00:04,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-07 14:00:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-07 14:00:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2020-07-07 14:00:04,461 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 35 [2020-07-07 14:00:04,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:00:04,461 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2020-07-07 14:00:04,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:00:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2020-07-07 14:00:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 14:00:04,464 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:00:04,464 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:00:04,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 14:00:04,465 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:00:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:00:04,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1188311592, now seen corresponding path program 1 times [2020-07-07 14:00:04,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:00:04,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840309887] [2020-07-07 14:00:04,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:00:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-07 14:00:04,570 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:00:04,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840309887] [2020-07-07 14:00:04,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:00:04,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 14:00:04,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35902443] [2020-07-07 14:00:04,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 14:00:04,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:00:04,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 14:00:04,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 14:00:04,573 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 3 states. [2020-07-07 14:00:04,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:00:04,629 INFO L93 Difference]: Finished difference Result 140 states and 173 transitions. [2020-07-07 14:00:04,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 14:00:04,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-07 14:00:04,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:00:04,633 INFO L225 Difference]: With dead ends: 140 [2020-07-07 14:00:04,633 INFO L226 Difference]: Without dead ends: 97 [2020-07-07 14:00:04,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 14:00:04,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-07 14:00:04,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-07 14:00:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-07 14:00:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 117 transitions. [2020-07-07 14:00:04,652 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 117 transitions. Word has length 65 [2020-07-07 14:00:04,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:00:04,653 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 117 transitions. [2020-07-07 14:00:04,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 14:00:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions. [2020-07-07 14:00:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-07 14:00:04,655 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:00:04,656 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:00:04,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 14:00:04,656 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:00:04,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:00:04,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2082475577, now seen corresponding path program 1 times [2020-07-07 14:00:04,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:00:04,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454825846] [2020-07-07 14:00:04,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:00:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-07 14:00:04,778 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:00:04,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454825846] [2020-07-07 14:00:04,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:00:04,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:00:04,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407063636] [2020-07-07 14:00:04,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:00:04,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:00:04,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:00:04,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:00:04,781 INFO L87 Difference]: Start difference. First operand 97 states and 117 transitions. Second operand 7 states. [2020-07-07 14:00:05,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:00:05,002 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2020-07-07 14:00:05,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 14:00:05,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2020-07-07 14:00:05,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:00:05,006 INFO L225 Difference]: With dead ends: 103 [2020-07-07 14:00:05,006 INFO L226 Difference]: Without dead ends: 101 [2020-07-07 14:00:05,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 14:00:05,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-07 14:00:05,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-07 14:00:05,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-07 14:00:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions. [2020-07-07 14:00:05,027 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 68 [2020-07-07 14:00:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:00:05,028 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions. [2020-07-07 14:00:05,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:00:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2020-07-07 14:00:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-07 14:00:05,033 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:00:05,034 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:00:05,034 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 14:00:05,034 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:00:05,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:00:05,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1342891699, now seen corresponding path program 1 times [2020-07-07 14:00:05,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:00:05,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873478360] [2020-07-07 14:00:05,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:00:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,232 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-07 14:00:05,232 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:00:05,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873478360] [2020-07-07 14:00:05,233 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:00:05,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:00:05,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883615515] [2020-07-07 14:00:05,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:00:05,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:00:05,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:00:05,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:00:05,236 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand 7 states. [2020-07-07 14:00:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:00:05,360 INFO L93 Difference]: Finished difference Result 129 states and 154 transitions. [2020-07-07 14:00:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 14:00:05,361 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-07-07 14:00:05,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:00:05,363 INFO L225 Difference]: With dead ends: 129 [2020-07-07 14:00:05,364 INFO L226 Difference]: Without dead ends: 127 [2020-07-07 14:00:05,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:00:05,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-07 14:00:05,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 119. [2020-07-07 14:00:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-07 14:00:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2020-07-07 14:00:05,387 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 114 [2020-07-07 14:00:05,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:00:05,388 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2020-07-07 14:00:05,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:00:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2020-07-07 14:00:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-07 14:00:05,391 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:00:05,391 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:00:05,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 14:00:05,392 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:00:05,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:00:05,392 INFO L82 PathProgramCache]: Analyzing trace with hash -279016842, now seen corresponding path program 1 times [2020-07-07 14:00:05,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:00:05,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724335722] [2020-07-07 14:00:05,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:00:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-07-07 14:00:05,576 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:00:05,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724335722] [2020-07-07 14:00:05,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:00:05,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 14:00:05,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969602353] [2020-07-07 14:00:05,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 14:00:05,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:00:05,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 14:00:05,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 14:00:05,580 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 6 states. [2020-07-07 14:00:05,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:00:05,691 INFO L93 Difference]: Finished difference Result 125 states and 146 transitions. [2020-07-07 14:00:05,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 14:00:05,691 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2020-07-07 14:00:05,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:00:05,694 INFO L225 Difference]: With dead ends: 125 [2020-07-07 14:00:05,694 INFO L226 Difference]: Without dead ends: 123 [2020-07-07 14:00:05,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:00:05,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-07 14:00:05,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-07 14:00:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-07 14:00:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2020-07-07 14:00:05,729 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 119 [2020-07-07 14:00:05,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:00:05,731 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2020-07-07 14:00:05,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 14:00:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2020-07-07 14:00:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 14:00:05,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:00:05,738 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:00:05,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 14:00:05,738 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:00:05,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:00:05,740 INFO L82 PathProgramCache]: Analyzing trace with hash 486899888, now seen corresponding path program 1 times [2020-07-07 14:00:05,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:00:05,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912489567] [2020-07-07 14:00:05,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:00:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:00:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2020-07-07 14:00:05,950 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:00:05,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912489567] [2020-07-07 14:00:05,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:00:05,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:00:05,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79308176] [2020-07-07 14:00:05,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:00:05,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:00:05,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:00:05,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:00:05,953 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 7 states. [2020-07-07 14:00:06,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:00:06,084 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-07 14:00:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 14:00:06,085 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2020-07-07 14:00:06,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:00:06,086 INFO L225 Difference]: With dead ends: 128 [2020-07-07 14:00:06,086 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 14:00:06,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-07 14:00:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 14:00:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 14:00:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 14:00:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 14:00:06,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2020-07-07 14:00:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:00:06,089 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 14:00:06,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:00:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 14:00:06,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 14:00:06,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 14:00:06,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 14:00:07,410 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-07 14:00:07,410 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-07 14:00:07,410 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-07 14:00:07,411 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-07 14:00:07,411 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 14:00:07,411 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-07 14:00:07,411 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed. [2020-07-07 14:00:07,411 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed. [2020-07-07 14:00:07,411 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-07 14:00:07,412 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed. [2020-07-07 14:00:07,412 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed. [2020-07-07 14:00:07,413 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,413 INFO L264 CegarLoopResult]: At program point L60-1(line 60) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,413 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 72) the Hoare annotation is: true [2020-07-07 14:00:07,413 INFO L264 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0) (= 0 main_~c~0)) [2020-07-07 14:00:07,414 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-07-07 14:00:07,414 INFO L264 CegarLoopResult]: At program point L52-1(line 52) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0) (= 0 main_~c~0)) [2020-07-07 14:00:07,414 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-07-07 14:00:07,414 INFO L271 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: true [2020-07-07 14:00:07,414 INFO L264 CegarLoopResult]: At program point L36-1(lines 35 41) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,414 INFO L264 CegarLoopResult]: At program point L36-2(lines 36 41) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,415 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,415 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-07-07 14:00:07,416 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-07-07 14:00:07,416 INFO L271 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: true [2020-07-07 14:00:07,416 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,419 INFO L264 CegarLoopResult]: At program point L45-1(line 45) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,419 INFO L271 CegarLoopResult]: At program point L70(lines 14 72) the Hoare annotation is: true [2020-07-07 14:00:07,419 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,419 INFO L264 CegarLoopResult]: At program point L37-1(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,420 INFO L264 CegarLoopResult]: At program point L37-2(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,421 INFO L264 CegarLoopResult]: At program point L37-4(line 37) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,421 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,421 INFO L271 CegarLoopResult]: At program point L21(line 21) the Hoare annotation is: true [2020-07-07 14:00:07,421 INFO L264 CegarLoopResult]: At program point L54-1(lines 53 66) the Hoare annotation is: (let ((.cse0 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse1 (< 0 main_~scheme~0)) (.cse2 (<= (+ main_~cp~0 1) main_~urilen~0)) (.cse3 (<= 1 main_~cp~0))) (or (and .cse0 (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 main_~c~0)))) [2020-07-07 14:00:07,421 INFO L271 CegarLoopResult]: At program point L21-1(line 21) the Hoare annotation is: true [2020-07-07 14:00:07,421 INFO L264 CegarLoopResult]: At program point L46(lines 33 69) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,422 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 72) the Hoare annotation is: true [2020-07-07 14:00:07,422 INFO L264 CegarLoopResult]: At program point L38(line 38) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,422 INFO L264 CegarLoopResult]: At program point L38-1(line 38) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,422 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0)) [2020-07-07 14:00:07,422 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 72) the Hoare annotation is: true [2020-07-07 14:00:07,423 INFO L271 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: true [2020-07-07 14:00:07,423 INFO L271 CegarLoopResult]: At program point L22-1(line 22) the Hoare annotation is: true [2020-07-07 14:00:07,423 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,423 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,423 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,423 INFO L264 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,424 INFO L271 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2020-07-07 14:00:07,424 INFO L264 CegarLoopResult]: At program point L56-1(line 56) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,424 INFO L271 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: true [2020-07-07 14:00:07,424 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,425 INFO L264 CegarLoopResult]: At program point L48-1(line 48) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,425 INFO L264 CegarLoopResult]: At program point L48-2(line 48) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,425 INFO L264 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,425 INFO L264 CegarLoopResult]: At program point L40-1(line 40) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,425 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,426 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,426 INFO L264 CegarLoopResult]: At program point L65-1(line 65) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,426 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,426 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-07-07 14:00:07,426 INFO L271 CegarLoopResult]: At program point L24-1(lines 14 72) the Hoare annotation is: true [2020-07-07 14:00:07,426 INFO L264 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,427 INFO L271 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2020-07-07 14:00:07,427 INFO L271 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: true [2020-07-07 14:00:07,427 INFO L264 CegarLoopResult]: At program point L33(lines 33 69) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,427 INFO L264 CegarLoopResult]: At program point L33-1(line 33) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,427 INFO L264 CegarLoopResult]: At program point L33-3(line 33) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,428 INFO L264 CegarLoopResult]: At program point L58(lines 58 64) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,428 INFO L271 CegarLoopResult]: At program point L25(lines 14 72) the Hoare annotation is: true [2020-07-07 14:00:07,428 INFO L264 CegarLoopResult]: At program point L58-1(line 58) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,429 INFO L264 CegarLoopResult]: At program point L58-2(line 58) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,430 INFO L264 CegarLoopResult]: At program point L58-3(lines 58 64) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,430 INFO L264 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,430 INFO L271 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-07-07 14:00:07,430 INFO L264 CegarLoopResult]: At program point L50-1(lines 50 68) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,430 INFO L271 CegarLoopResult]: At program point L17-1(line 17) the Hoare annotation is: true [2020-07-07 14:00:07,430 INFO L264 CegarLoopResult]: At program point L50-2(line 50) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,431 INFO L271 CegarLoopResult]: At program point L50-3(line 50) the Hoare annotation is: true [2020-07-07 14:00:07,431 INFO L264 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (let ((.cse0 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse1 (< 0 main_~scheme~0)) (.cse2 (+ main_~cp~0 1))) (or (and .cse0 .cse1 (= .cse2 main_~urilen~0)) (and .cse0 .cse1 (<= 1 main_~cp~0) (< .cse2 main_~urilen~0)))) [2020-07-07 14:00:07,431 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,431 INFO L264 CegarLoopResult]: At program point L34-1(line 34) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,431 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,431 INFO L264 CegarLoopResult]: At program point L26(lines 14 72) the Hoare annotation is: (< 0 (+ main_~scheme~0 1)) [2020-07-07 14:00:07,432 INFO L264 CegarLoopResult]: At program point L59-1(line 59) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,432 INFO L264 CegarLoopResult]: At program point L59-2(line 59) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (<= (+ main_~c~0 1) main_~tokenlen~0) (<= 0 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (< (+ main_~cp~0 1) main_~urilen~0)) [2020-07-07 14:00:07,432 INFO L264 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: (and (<= (+ main_~scheme~0 1) main_~urilen~0) (< 0 main_~scheme~0) (<= (+ main_~cp~0 1) main_~urilen~0) (<= 1 main_~cp~0)) [2020-07-07 14:00:07,432 INFO L271 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-07-07 14:00:07,432 INFO L271 CegarLoopResult]: At program point L18-1(line 18) the Hoare annotation is: true [2020-07-07 14:00:07,432 INFO L271 CegarLoopResult]: At program point L18-2(line 18) the Hoare annotation is: true [2020-07-07 14:00:07,432 INFO L264 CegarLoopResult]: At program point L43(lines 33 69) the Hoare annotation is: (let ((.cse0 (<= (+ main_~scheme~0 1) main_~urilen~0)) (.cse1 (< 0 main_~scheme~0)) (.cse2 (+ main_~cp~0 1))) (or (and .cse0 .cse1 (= .cse2 main_~urilen~0)) (and .cse0 .cse1 (<= 1 main_~cp~0) (< .cse2 main_~urilen~0)))) [2020-07-07 14:00:07,433 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2020-07-07 14:00:07,433 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-07 14:00:07,433 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-07 14:00:07,433 INFO L264 CegarLoopResult]: At program point L7(lines 7 9) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-07 14:00:07,434 INFO L264 CegarLoopResult]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-07 14:00:07,434 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-07 14:00:07,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 02:00:07 BoogieIcfgContainer [2020-07-07 14:00:07,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 14:00:07,467 INFO L168 Benchmark]: Toolchain (without parser) took 5252.37 ms. Allocated memory was 144.2 MB in the beginning and 282.6 MB in the end (delta: 138.4 MB). Free memory was 101.3 MB in the beginning and 168.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. [2020-07-07 14:00:07,468 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-07 14:00:07,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.04 ms. Allocated memory is still 144.2 MB. Free memory was 101.3 MB in the beginning and 91.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-07 14:00:07,474 INFO L168 Benchmark]: Boogie Preprocessor took 127.66 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 91.1 MB in the beginning and 179.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:00:07,474 INFO L168 Benchmark]: RCFGBuilder took 394.18 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 158.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-07-07 14:00:07,475 INFO L168 Benchmark]: TraceAbstraction took 4415.63 ms. Allocated memory was 201.9 MB in the beginning and 282.6 MB in the end (delta: 80.7 MB). Free memory was 157.5 MB in the beginning and 168.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. [2020-07-07 14:00:07,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.04 ms. Allocated memory is still 144.2 MB. Free memory was 101.3 MB in the beginning and 91.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.66 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 91.1 MB in the beginning and 179.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 394.18 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 158.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4415.63 ms. Allocated memory was 201.9 MB in the beginning and 282.6 MB in the end (delta: 80.7 MB). Free memory was 157.5 MB in the beginning and 168.1 MB in the end (delta: -10.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((scheme + 1 <= urilen && 0 < scheme) && cp + 1 <= urilen) && 1 <= cp - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((scheme + 1 <= urilen && c + 1 <= tokenlen) && 0 <= c) && 0 < scheme) && cp + 1 <= urilen) && 1 <= cp) || ((((scheme + 1 <= urilen && 0 < scheme) && cp + 1 <= urilen) && 1 <= cp) && 0 == c) - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 6]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 0 == \old(cond) || !(0 == cond) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 19, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 681 SDtfs, 325 SDslu, 2109 SDs, 0 SdLazy, 529 SolverSat, 181 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 92 LocationsWithAnnotation, 398 PreInvPairs, 535 NumberOfFragments, 1132 HoareAnnotationTreeSize, 398 FomulaSimplifications, 716 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 92 FomulaSimplificationsInter, 454 FormulaSimplificationTreeSizeReductionInter, 0.8s 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...