/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:46:43,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:46:43,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:46:43,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:46:43,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:46:43,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:46:43,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:46:43,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:46:43,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:46:43,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:46:43,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:46:43,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:46:43,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:46:43,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:46:43,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:46:43,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:46:43,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:46:43,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:46:43,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:46:43,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:46:43,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:46:43,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:46:43,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:46:43,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:46:43,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 21:46:43,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:46:43,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:46:43,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:46:43,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:46:43,578 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:46:43,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:46:43,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:46:43,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:46:43,579 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:46:43,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:46:43,580 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:46:43,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:46:43,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:46:43,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:46:43,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:46:43,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:46:43,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:46:43,581 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:46:43,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:46:43,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:46:43,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:46:43,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:46:43,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:46:43,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:46:43,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:46:43,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:46:43,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:46:43,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:46:43,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:46:43,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:46:43,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:46:43,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:46:43,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:46:43,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:46:43,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:46:43,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:46:43,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:46:43,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:46:43,905 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:46:43,906 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2020-07-19 21:46:43,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07099a3af/be0cc57f1eba44f597c8f1dc7d0c63fb/FLAGb3ffcbaf5 [2020-07-19 21:46:44,431 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:46:44,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2020-07-19 21:46:44,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07099a3af/be0cc57f1eba44f597c8f1dc7d0c63fb/FLAGb3ffcbaf5 [2020-07-19 21:46:44,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07099a3af/be0cc57f1eba44f597c8f1dc7d0c63fb [2020-07-19 21:46:44,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:46:44,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:46:44,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:46:44,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:46:44,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:46:44,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:46:44" (1/1) ... [2020-07-19 21:46:44,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49245ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:44, skipping insertion in model container [2020-07-19 21:46:44,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:46:44" (1/1) ... [2020-07-19 21:46:44,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:46:44,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:46:45,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:46:45,421 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:46:45,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:46:45,684 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:46:45,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45 WrapperNode [2020-07-19 21:46:45,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:46:45,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:46:45,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:46:45,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:46:45,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (1/1) ... [2020-07-19 21:46:45,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (1/1) ... [2020-07-19 21:46:45,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (1/1) ... [2020-07-19 21:46:45,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (1/1) ... [2020-07-19 21:46:45,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (1/1) ... [2020-07-19 21:46:45,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (1/1) ... [2020-07-19 21:46:45,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (1/1) ... [2020-07-19 21:46:45,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:46:45,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:46:45,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:46:45,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:46:45,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (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 [2020-07-19 21:46:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:46:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:46:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-19 21:46:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:46:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:46:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-19 21:46:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-19 21:46:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-19 21:46:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:46:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:46:45,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:46:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:46:47,183 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:46:47,183 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-19 21:46:47,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:46:47 BoogieIcfgContainer [2020-07-19 21:46:47,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:46:47,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:46:47,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:46:47,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:46:47,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:46:44" (1/3) ... [2020-07-19 21:46:47,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e17fd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:46:47, skipping insertion in model container [2020-07-19 21:46:47,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:46:45" (2/3) ... [2020-07-19 21:46:47,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e17fd0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:46:47, skipping insertion in model container [2020-07-19 21:46:47,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:46:47" (3/3) ... [2020-07-19 21:46:47,197 INFO L109 eAbstractionObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2020-07-19 21:46:47,206 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:46:47,213 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-19 21:46:47,224 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-07-19 21:46:47,249 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:46:47,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:46:47,250 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:46:47,250 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:46:47,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:46:47,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:46:47,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:46:47,251 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:46:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states. [2020-07-19 21:46:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-19 21:46:47,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:46:47,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:46:47,291 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:46:47,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:46:47,298 INFO L82 PathProgramCache]: Analyzing trace with hash 303812059, now seen corresponding path program 1 times [2020-07-19 21:46:47,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:46:47,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952860913] [2020-07-19 21:46:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c44b753 [2020-07-19 21:46:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:46:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:46:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:46:48,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952860913] [2020-07-19 21:46:48,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:46:48,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-07-19 21:46:48,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844079123] [2020-07-19 21:46:48,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-19 21:46:48,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:46:48,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-19 21:46:48,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:46:48,202 INFO L87 Difference]: Start difference. First operand 252 states. Second operand 16 states. [2020-07-19 21:46:49,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:46:49,292 INFO L93 Difference]: Finished difference Result 453 states and 816 transitions. [2020-07-19 21:46:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:46:49,297 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 138 [2020-07-19 21:46:49,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:46:49,323 INFO L225 Difference]: With dead ends: 453 [2020-07-19 21:46:49,324 INFO L226 Difference]: Without dead ends: 209 [2020-07-19 21:46:49,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=385, Unknown=0, NotChecked=0, Total=600 [2020-07-19 21:46:49,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-07-19 21:46:49,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 181. [2020-07-19 21:46:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-07-19 21:46:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 203 transitions. [2020-07-19 21:46:49,386 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 203 transitions. Word has length 138 [2020-07-19 21:46:49,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:46:49,387 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 203 transitions. [2020-07-19 21:46:49,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-19 21:46:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 203 transitions. [2020-07-19 21:46:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-19 21:46:49,390 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:46:49,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:46:49,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:46:49,391 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:46:49,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:46:49,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2002511271, now seen corresponding path program 1 times [2020-07-19 21:46:49,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:46:49,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516529496] [2020-07-19 21:46:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c44b753 [2020-07-19 21:46:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:46:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:46:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:46:49,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516529496] [2020-07-19 21:46:49,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:46:49,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 21:46:49,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599297390] [2020-07-19 21:46:49,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:46:49,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:46:49,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:46:49,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:46:49,653 INFO L87 Difference]: Start difference. First operand 181 states and 203 transitions. Second operand 5 states. [2020-07-19 21:46:49,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:46:49,946 INFO L93 Difference]: Finished difference Result 185 states and 208 transitions. [2020-07-19 21:46:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 21:46:49,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2020-07-19 21:46:49,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:46:49,949 INFO L225 Difference]: With dead ends: 185 [2020-07-19 21:46:49,950 INFO L226 Difference]: Without dead ends: 183 [2020-07-19 21:46:49,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:46:49,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-19 21:46:49,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 179. [2020-07-19 21:46:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-07-19 21:46:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 194 transitions. [2020-07-19 21:46:49,966 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 194 transitions. Word has length 141 [2020-07-19 21:46:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:46:49,967 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 194 transitions. [2020-07-19 21:46:49,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:46:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 194 transitions. [2020-07-19 21:46:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-19 21:46:49,969 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:46:49,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:46:49,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:46:49,970 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:46:49,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:46:49,971 INFO L82 PathProgramCache]: Analyzing trace with hash 267977799, now seen corresponding path program 1 times [2020-07-19 21:46:49,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:46:49,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014605846] [2020-07-19 21:46:49,971 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7c44b753 [2020-07-19 21:46:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:46:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:46:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:46:50,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014605846] [2020-07-19 21:46:50,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:46:50,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-19 21:46:50,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313921729] [2020-07-19 21:46:50,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:46:50,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:46:50,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:46:50,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:46:50,261 INFO L87 Difference]: Start difference. First operand 179 states and 194 transitions. Second operand 10 states. [2020-07-19 21:46:50,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:46:50,668 INFO L93 Difference]: Finished difference Result 185 states and 201 transitions. [2020-07-19 21:46:50,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:46:50,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2020-07-19 21:46:50,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:46:50,671 INFO L225 Difference]: With dead ends: 185 [2020-07-19 21:46:50,671 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:46:50,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2020-07-19 21:46:50,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:46:50,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:46:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:46:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:46:50,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2020-07-19 21:46:50,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:46:50,677 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:46:50,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:46:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:46:50,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:46:50,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:46:50,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:46:51,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:46:51,035 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_1135~0 |old(~__return_1135~0)|)) [2020-07-19 21:46:51,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:46:51,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:46:51,036 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-19 21:46:51,036 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:46:51,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:46:51,037 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed. [2020-07-19 21:46:51,037 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-19 21:46:51,037 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 6) no Hoare annotation was computed. [2020-07-19 21:46:51,037 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-19 21:46:51,038 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 2722) no Hoare annotation was computed. [2020-07-19 21:46:51,038 INFO L268 CegarLoopResult]: For program point L1687(lines 1687 2440) no Hoare annotation was computed. [2020-07-19 21:46:51,038 INFO L268 CegarLoopResult]: For program point L366(lines 366 480) no Hoare annotation was computed. [2020-07-19 21:46:51,038 INFO L264 CegarLoopResult]: At program point L2315(lines 1780 2410) the Hoare annotation is: (and (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__nlen~0) (= |old(~__return_1135~0)| ~__return_1135~0) (not (= 0 main_~__VERIFIER_assert__cond~152)) (<= 5 main_~main__i~0)) [2020-07-19 21:46:51,039 INFO L268 CegarLoopResult]: For program point L2249(lines 2249 2350) no Hoare annotation was computed. [2020-07-19 21:46:51,039 INFO L268 CegarLoopResult]: For program point L1093(lines 1093 2545) no Hoare annotation was computed. [2020-07-19 21:46:51,039 INFO L268 CegarLoopResult]: For program point L2117(lines 2117 2396) no Hoare annotation was computed. [2020-07-19 21:46:51,039 INFO L268 CegarLoopResult]: For program point L961(lines 961 969) no Hoare annotation was computed. [2020-07-19 21:46:51,039 INFO L268 CegarLoopResult]: For program point L1787(lines 1787 2089) no Hoare annotation was computed. [2020-07-19 21:46:51,039 INFO L268 CegarLoopResult]: For program point L1655(lines 1655 2455) no Hoare annotation was computed. [2020-07-19 21:46:51,039 INFO L268 CegarLoopResult]: For program point L1193(lines 1193 2509) no Hoare annotation was computed. [2020-07-19 21:46:51,040 INFO L268 CegarLoopResult]: For program point L2217(lines 2217 2360) no Hoare annotation was computed. [2020-07-19 21:46:51,040 INFO L268 CegarLoopResult]: For program point L1061(lines 1061 2560) no Hoare annotation was computed. [2020-07-19 21:46:51,040 INFO L268 CegarLoopResult]: For program point L1887(lines 1887 2049) no Hoare annotation was computed. [2020-07-19 21:46:51,040 INFO L268 CegarLoopResult]: For program point L1755(lines 1755 2419) no Hoare annotation was computed. [2020-07-19 21:46:51,040 INFO L268 CegarLoopResult]: For program point L599(lines 599 2614) no Hoare annotation was computed. [2020-07-19 21:46:51,040 INFO L268 CegarLoopResult]: For program point L1623(lines 1623 2465) no Hoare annotation was computed. [2020-07-19 21:46:51,040 INFO L268 CegarLoopResult]: For program point L1293(lines 1293 1560) no Hoare annotation was computed. [2020-07-19 21:46:51,041 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 2722) no Hoare annotation was computed. [2020-07-19 21:46:51,041 INFO L268 CegarLoopResult]: For program point L1161(lines 1161 2524) no Hoare annotation was computed. [2020-07-19 21:46:51,041 INFO L268 CegarLoopResult]: For program point L1987(lines 1987 2009) no Hoare annotation was computed. [2020-07-19 21:46:51,041 INFO L268 CegarLoopResult]: For program point L1855(lines 1855 2066) no Hoare annotation was computed. [2020-07-19 21:46:51,041 INFO L268 CegarLoopResult]: For program point L699(lines 699 2578) no Hoare annotation was computed. [2020-07-19 21:46:51,041 INFO L268 CegarLoopResult]: For program point L1723(lines 1723 2429) no Hoare annotation was computed. [2020-07-19 21:46:51,041 INFO L268 CegarLoopResult]: For program point L567(lines 567 2629) no Hoare annotation was computed. [2020-07-19 21:46:51,042 INFO L268 CegarLoopResult]: For program point L1393(lines 1393 1520) no Hoare annotation was computed. [2020-07-19 21:46:51,042 INFO L268 CegarLoopResult]: For program point L1261(lines 1261 2488) no Hoare annotation was computed. [2020-07-19 21:46:51,042 INFO L268 CegarLoopResult]: For program point L105(lines 105 2683) no Hoare annotation was computed. [2020-07-19 21:46:51,042 INFO L268 CegarLoopResult]: For program point L1129(lines 1129 2534) no Hoare annotation was computed. [2020-07-19 21:46:51,042 INFO L268 CegarLoopResult]: For program point L1955(lines 1955 2026) no Hoare annotation was computed. [2020-07-19 21:46:51,042 INFO L268 CegarLoopResult]: For program point L799(lines 799 1031) no Hoare annotation was computed. [2020-07-19 21:46:51,042 INFO L268 CegarLoopResult]: For program point L1823(lines 1823 2077) no Hoare annotation was computed. [2020-07-19 21:46:51,043 INFO L268 CegarLoopResult]: For program point L667(lines 667 2593) no Hoare annotation was computed. [2020-07-19 21:46:51,043 INFO L268 CegarLoopResult]: For program point L1361(lines 1361 1537) no Hoare annotation was computed. [2020-07-19 21:46:51,043 INFO L268 CegarLoopResult]: For program point L205(lines 205 2647) no Hoare annotation was computed. [2020-07-19 21:46:51,043 INFO L268 CegarLoopResult]: For program point L1229(lines 1229 2498) no Hoare annotation was computed. [2020-07-19 21:46:51,043 INFO L268 CegarLoopResult]: For program point L73(lines 73 2698) no Hoare annotation was computed. [2020-07-19 21:46:51,043 INFO L268 CegarLoopResult]: For program point L899(lines 899 991) no Hoare annotation was computed. [2020-07-19 21:46:51,043 INFO L268 CegarLoopResult]: For program point L1923(lines 1923 2037) no Hoare annotation was computed. [2020-07-19 21:46:51,044 INFO L268 CegarLoopResult]: For program point L767(lines 767 1048) no Hoare annotation was computed. [2020-07-19 21:46:51,044 INFO L268 CegarLoopResult]: For program point L635(lines 635 2603) no Hoare annotation was computed. [2020-07-19 21:46:51,044 INFO L268 CegarLoopResult]: For program point L305(lines 305 502) no Hoare annotation was computed. [2020-07-19 21:46:51,044 INFO L268 CegarLoopResult]: For program point L1329(lines 1329 1548) no Hoare annotation was computed. [2020-07-19 21:46:51,044 INFO L268 CegarLoopResult]: For program point L173(lines 173 2662) no Hoare annotation was computed. [2020-07-19 21:46:51,044 INFO L268 CegarLoopResult]: For program point L41(lines 41 2708) no Hoare annotation was computed. [2020-07-19 21:46:51,046 INFO L268 CegarLoopResult]: For program point L867(lines 867 1008) no Hoare annotation was computed. [2020-07-19 21:46:51,046 INFO L268 CegarLoopResult]: For program point L735(lines 735 2567) no Hoare annotation was computed. [2020-07-19 21:46:51,046 INFO L268 CegarLoopResult]: For program point L405(lines 405 462) no Hoare annotation was computed. [2020-07-19 21:46:51,046 INFO L268 CegarLoopResult]: For program point L1429(lines 1429 1508) no Hoare annotation was computed. [2020-07-19 21:46:51,046 INFO L268 CegarLoopResult]: For program point L273(lines 273 519) no Hoare annotation was computed. [2020-07-19 21:46:51,047 INFO L268 CegarLoopResult]: For program point L141(lines 141 2672) no Hoare annotation was computed. [2020-07-19 21:46:51,047 INFO L268 CegarLoopResult]: For program point L2156(lines 2156 2380) no Hoare annotation was computed. [2020-07-19 21:46:51,047 INFO L268 CegarLoopResult]: For program point L835(lines 835 1019) no Hoare annotation was computed. [2020-07-19 21:46:51,047 INFO L264 CegarLoopResult]: At program point L538(lines 223 2644) the Hoare annotation is: (and (<= 8 main_~main__j~0) (= |old(~__return_1135~0)| ~__return_1135~0) (<= 1 main_~main__i~0)) [2020-07-19 21:46:51,047 INFO L268 CegarLoopResult]: For program point L373(lines 373 479) no Hoare annotation was computed. [2020-07-19 21:46:51,048 INFO L268 CegarLoopResult]: For program point L2322(lines 2322 2331) no Hoare annotation was computed. [2020-07-19 21:46:51,048 INFO L268 CegarLoopResult]: For program point L241(lines 241 530) no Hoare annotation was computed. [2020-07-19 21:46:51,048 INFO L268 CegarLoopResult]: For program point L2256(lines 2256 2344) no Hoare annotation was computed. [2020-07-19 21:46:51,048 INFO L268 CegarLoopResult]: For program point L2124(lines 2124 2395) no Hoare annotation was computed. [2020-07-19 21:46:51,048 INFO L264 CegarLoopResult]: At program point L968(lines 940 979) the Hoare annotation is: false [2020-07-19 21:46:51,048 INFO L268 CegarLoopResult]: For program point L935(lines 935 979) no Hoare annotation was computed. [2020-07-19 21:46:51,049 INFO L268 CegarLoopResult]: For program point L1662(lines 1662 2449) no Hoare annotation was computed. [2020-07-19 21:46:51,049 INFO L268 CegarLoopResult]: For program point L341(lines 341 490) no Hoare annotation was computed. [2020-07-19 21:46:51,049 INFO L268 CegarLoopResult]: For program point L2224(lines 2224 2359) no Hoare annotation was computed. [2020-07-19 21:46:51,049 INFO L268 CegarLoopResult]: For program point L1068(lines 1068 2554) no Hoare annotation was computed. [2020-07-19 21:46:51,049 INFO L268 CegarLoopResult]: For program point L1762(lines 1762 2413) no Hoare annotation was computed. [2020-07-19 21:46:51,050 INFO L268 CegarLoopResult]: For program point L1630(lines 1630 2464) no Hoare annotation was computed. [2020-07-19 21:46:51,050 INFO L268 CegarLoopResult]: For program point L2192(lines 2192 2369) no Hoare annotation was computed. [2020-07-19 21:46:51,050 INFO L268 CegarLoopResult]: For program point L1168(lines 1168 2518) no Hoare annotation was computed. [2020-07-19 21:46:51,050 INFO L268 CegarLoopResult]: For program point L1862(lines 1862 2059) no Hoare annotation was computed. [2020-07-19 21:46:51,050 INFO L268 CegarLoopResult]: For program point L1730(lines 1730 2428) no Hoare annotation was computed. [2020-07-19 21:46:51,051 INFO L268 CegarLoopResult]: For program point L574(lines 574 2623) no Hoare annotation was computed. [2020-07-19 21:46:51,051 INFO L268 CegarLoopResult]: For program point L1598(lines 1598 2474) no Hoare annotation was computed. [2020-07-19 21:46:51,051 INFO L268 CegarLoopResult]: For program point L442(lines 442 450) no Hoare annotation was computed. [2020-07-19 21:46:51,051 INFO L268 CegarLoopResult]: For program point L2292(lines 2292 2333) no Hoare annotation was computed. [2020-07-19 21:46:51,051 INFO L268 CegarLoopResult]: For program point L1268(lines 1268 1570) no Hoare annotation was computed. [2020-07-19 21:46:51,052 INFO L264 CegarLoopResult]: At program point L2325(lines 2297 2333) the Hoare annotation is: (let ((.cse0 (< main_~main__i~0 main_~main__nlen~0)) (.cse1 (= |old(~__return_1135~0)| ~__return_1135~0))) (or (and (<= 0 main_~main__j~0) .cse0 .cse1 (<= 5 main_~main__i~0)) (and (<= 8 main_~main__j~0) .cse0 .cse1 (<= 4 main_~main__i~0)))) [2020-07-19 21:46:51,052 INFO L268 CegarLoopResult]: For program point L1136(lines 1136 2533) no Hoare annotation was computed. [2020-07-19 21:46:51,052 INFO L268 CegarLoopResult]: For program point L1962(lines 1962 2019) no Hoare annotation was computed. [2020-07-19 21:46:51,053 INFO L268 CegarLoopResult]: For program point L1830(lines 1830 2076) no Hoare annotation was computed. [2020-07-19 21:46:51,054 INFO L268 CegarLoopResult]: For program point L674(lines 674 2587) no Hoare annotation was computed. [2020-07-19 21:46:51,054 INFO L268 CegarLoopResult]: For program point L1698(lines 1698 2438) no Hoare annotation was computed. [2020-07-19 21:46:51,054 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2001) no Hoare annotation was computed. [2020-07-19 21:46:51,055 INFO L268 CegarLoopResult]: For program point L542(lines 542 2638) no Hoare annotation was computed. [2020-07-19 21:46:51,056 INFO L268 CegarLoopResult]: For program point L1368(lines 1368 1530) no Hoare annotation was computed. [2020-07-19 21:46:51,056 INFO L268 CegarLoopResult]: For program point L1236(lines 1236 2497) no Hoare annotation was computed. [2020-07-19 21:46:51,056 INFO L268 CegarLoopResult]: For program point L80(lines 80 2692) no Hoare annotation was computed. [2020-07-19 21:46:51,056 INFO L268 CegarLoopResult]: For program point L1104(lines 1104 2543) no Hoare annotation was computed. [2020-07-19 21:46:51,057 INFO L264 CegarLoopResult]: At program point L2095(lines 1780 2410) the Hoare annotation is: (and (<= 8 main_~main__j~0) (= |old(~__return_1135~0)| ~__return_1135~0) (<= 4 main_~main__i~0)) [2020-07-19 21:46:51,057 INFO L268 CegarLoopResult]: For program point L1930(lines 1930 2036) no Hoare annotation was computed. [2020-07-19 21:46:51,057 INFO L268 CegarLoopResult]: For program point L774(lines 774 1041) no Hoare annotation was computed. [2020-07-19 21:46:51,057 INFO L268 CegarLoopResult]: For program point L1798(lines 1798 2087) no Hoare annotation was computed. [2020-07-19 21:46:51,058 INFO L268 CegarLoopResult]: For program point L642(lines 642 2602) no Hoare annotation was computed. [2020-07-19 21:46:51,058 INFO L268 CegarLoopResult]: For program point L1336(lines 1336 1547) no Hoare annotation was computed. [2020-07-19 21:46:51,058 INFO L268 CegarLoopResult]: For program point L180(lines 180 2656) no Hoare annotation was computed. [2020-07-19 21:46:51,058 INFO L268 CegarLoopResult]: For program point L1204(lines 1204 2507) no Hoare annotation was computed. [2020-07-19 21:46:51,059 INFO L268 CegarLoopResult]: For program point L48(lines 48 2707) no Hoare annotation was computed. [2020-07-19 21:46:51,059 INFO L268 CegarLoopResult]: For program point L874(lines 874 1001) no Hoare annotation was computed. [2020-07-19 21:46:51,059 INFO L268 CegarLoopResult]: For program point L1898(lines 1898 2047) no Hoare annotation was computed. [2020-07-19 21:46:51,065 INFO L268 CegarLoopResult]: For program point L742(lines 742 2566) no Hoare annotation was computed. [2020-07-19 21:46:51,065 INFO L268 CegarLoopResult]: For program point L610(lines 610 2612) no Hoare annotation was computed. [2020-07-19 21:46:51,066 INFO L268 CegarLoopResult]: For program point L1469(lines 1469 1490) no Hoare annotation was computed. [2020-07-19 21:46:51,066 INFO L268 CegarLoopResult]: For program point L1436(lines 1436 1507) no Hoare annotation was computed. [2020-07-19 21:46:51,066 INFO L268 CegarLoopResult]: For program point L280(lines 280 512) no Hoare annotation was computed. [2020-07-19 21:46:51,073 INFO L268 CegarLoopResult]: For program point L1304(lines 1304 1558) no Hoare annotation was computed. [2020-07-19 21:46:51,074 INFO L268 CegarLoopResult]: For program point L148(lines 148 2671) no Hoare annotation was computed. [2020-07-19 21:46:51,074 INFO L268 CegarLoopResult]: For program point L842(lines 842 1018) no Hoare annotation was computed. [2020-07-19 21:46:51,074 INFO L268 CegarLoopResult]: For program point L710(lines 710 2576) no Hoare annotation was computed. [2020-07-19 21:46:51,076 INFO L268 CegarLoopResult]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2310) no Hoare annotation was computed. [2020-07-19 21:46:51,076 INFO L268 CegarLoopResult]: For program point L380(lines 380 472) no Hoare annotation was computed. [2020-07-19 21:46:51,076 INFO L268 CegarLoopResult]: For program point L1404(lines 1404 1518) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L248(lines 248 529) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L116(lines 116 2681) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L2131(lines 2131 2389) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L1999(lines 1999 2007) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L810(lines 810 1029) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L348(lines 348 489) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L216(lines 216 2645) no Hoare annotation was computed. [2020-07-19 21:46:51,077 INFO L268 CegarLoopResult]: For program point L2231(lines 2231 2353) no Hoare annotation was computed. [2020-07-19 21:46:51,078 INFO L268 CegarLoopResult]: For program point L2099(lines 2099 2404) no Hoare annotation was computed. [2020-07-19 21:46:51,078 INFO L268 CegarLoopResult]: For program point L910(lines 910 989) no Hoare annotation was computed. [2020-07-19 21:46:51,078 INFO L268 CegarLoopResult]: For program point L1637(lines 1637 2458) no Hoare annotation was computed. [2020-07-19 21:46:51,078 INFO L268 CegarLoopResult]: For program point L316(lines 316 500) no Hoare annotation was computed. [2020-07-19 21:46:51,078 INFO L264 CegarLoopResult]: At program point L2298(lines 1780 2410) the Hoare annotation is: (let ((.cse0 (< main_~main__i~0 main_~main__nlen~0)) (.cse1 (= |old(~__return_1135~0)| ~__return_1135~0))) (or (and (<= 0 main_~main__j~0) .cse0 .cse1 (not (= 0 main_~__VERIFIER_assert__cond~152)) (not (= 0 main_~__VERIFIER_assert__cond~135)) (<= 5 main_~main__i~0)) (and .cse0 .cse1 (<= 7 main_~main__j~0) (<= 4 main_~main__i~0)))) [2020-07-19 21:46:51,078 INFO L268 CegarLoopResult]: For program point L2199(lines 2199 2368) no Hoare annotation was computed. [2020-07-19 21:46:51,078 INFO L268 CegarLoopResult]: For program point L2001(line 2001) no Hoare annotation was computed. [2020-07-19 21:46:51,079 INFO L268 CegarLoopResult]: For program point L1737(lines 1737 2422) no Hoare annotation was computed. [2020-07-19 21:46:51,079 INFO L268 CegarLoopResult]: For program point L1605(lines 1605 2473) no Hoare annotation was computed. [2020-07-19 21:46:51,079 INFO L264 CegarLoopResult]: At program point L449(lines 421 460) the Hoare annotation is: false [2020-07-19 21:46:51,079 INFO L268 CegarLoopResult]: For program point L416(lines 416 460) no Hoare annotation was computed. [2020-07-19 21:46:51,079 INFO L268 CegarLoopResult]: For program point L1143(lines 1143 2527) no Hoare annotation was computed. [2020-07-19 21:46:51,079 INFO L268 CegarLoopResult]: For program point L2167(lines 2167 2378) no Hoare annotation was computed. [2020-07-19 21:46:51,079 INFO L268 CegarLoopResult]: For program point L20(lines 20 2721) no Hoare annotation was computed. [2020-07-19 21:46:51,079 INFO L268 CegarLoopResult]: For program point L1837(lines 1837 2069) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L1705(lines 1705 2437) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L549(lines 549 2632) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L1243(lines 1243 2491) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L2267(lines 2267 2342) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L1111(lines 1111 2542) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L1937(lines 1937 2029) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L1805(lines 1805 2086) no Hoare annotation was computed. [2020-07-19 21:46:51,080 INFO L268 CegarLoopResult]: For program point L649(lines 649 2596) no Hoare annotation was computed. [2020-07-19 21:46:51,081 INFO L268 CegarLoopResult]: For program point L1673(lines 1673 2447) no Hoare annotation was computed. [2020-07-19 21:46:51,081 INFO L268 CegarLoopResult]: For program point L1343(lines 1343 1540) no Hoare annotation was computed. [2020-07-19 21:46:51,081 INFO L268 CegarLoopResult]: For program point L1211(lines 1211 2506) no Hoare annotation was computed. [2020-07-19 21:46:51,081 INFO L268 CegarLoopResult]: For program point L55(lines 55 2701) no Hoare annotation was computed. [2020-07-19 21:46:51,081 INFO L268 CegarLoopResult]: For program point L1079(lines 1079 2552) no Hoare annotation was computed. [2020-07-19 21:46:51,081 INFO L268 CegarLoopResult]: For program point L1905(lines 1905 2046) no Hoare annotation was computed. [2020-07-19 21:46:51,082 INFO L268 CegarLoopResult]: For program point L749(lines 749 1051) no Hoare annotation was computed. [2020-07-19 21:46:51,082 INFO L268 CegarLoopResult]: For program point L1773(lines 1773 2411) no Hoare annotation was computed. [2020-07-19 21:46:51,082 INFO L268 CegarLoopResult]: For program point L617(lines 617 2611) no Hoare annotation was computed. [2020-07-19 21:46:51,082 INFO L268 CegarLoopResult]: For program point L1443(lines 1443 1500) no Hoare annotation was computed. [2020-07-19 21:46:51,082 INFO L268 CegarLoopResult]: For program point L1311(lines 1311 1557) no Hoare annotation was computed. [2020-07-19 21:46:51,082 INFO L268 CegarLoopResult]: For program point L155(lines 155 2665) no Hoare annotation was computed. [2020-07-19 21:46:51,082 INFO L268 CegarLoopResult]: For program point L1179(lines 1179 2516) no Hoare annotation was computed. [2020-07-19 21:46:51,083 INFO L268 CegarLoopResult]: For program point L23(lines 23 2716) no Hoare annotation was computed. [2020-07-19 21:46:51,083 INFO L268 CegarLoopResult]: For program point L849(lines 849 1011) no Hoare annotation was computed. [2020-07-19 21:46:51,083 INFO L268 CegarLoopResult]: For program point L1873(lines 1873 2057) no Hoare annotation was computed. [2020-07-19 21:46:51,083 INFO L268 CegarLoopResult]: For program point L717(lines 717 2575) no Hoare annotation was computed. [2020-07-19 21:46:51,083 INFO L268 CegarLoopResult]: For program point L585(lines 585 2621) no Hoare annotation was computed. [2020-07-19 21:46:51,084 INFO L264 CegarLoopResult]: At program point L1576(lines 1261 2488) the Hoare annotation is: (and (<= 3 main_~main__i~0) (<= 8 main_~main__j~0) (= |old(~__return_1135~0)| ~__return_1135~0)) [2020-07-19 21:46:51,084 INFO L268 CegarLoopResult]: For program point L1411(lines 1411 1517) no Hoare annotation was computed. [2020-07-19 21:46:51,084 INFO L268 CegarLoopResult]: For program point L255(lines 255 522) no Hoare annotation was computed. [2020-07-19 21:46:51,084 INFO L268 CegarLoopResult]: For program point L1279(lines 1279 1568) no Hoare annotation was computed. [2020-07-19 21:46:51,084 INFO L268 CegarLoopResult]: For program point L123(lines 123 2680) no Hoare annotation was computed. [2020-07-19 21:46:51,084 INFO L268 CegarLoopResult]: For program point L1973(lines 1973 2017) no Hoare annotation was computed. [2020-07-19 21:46:51,085 INFO L268 CegarLoopResult]: For program point L817(lines 817 1028) no Hoare annotation was computed. [2020-07-19 21:46:51,085 INFO L268 CegarLoopResult]: For program point L685(lines 685 2585) no Hoare annotation was computed. [2020-07-19 21:46:51,085 INFO L268 CegarLoopResult]: For program point L355(lines 355 482) no Hoare annotation was computed. [2020-07-19 21:46:51,085 INFO L268 CegarLoopResult]: For program point L1379(lines 1379 1528) no Hoare annotation was computed. [2020-07-19 21:46:51,085 INFO L268 CegarLoopResult]: For program point L223(lines 223 2644) no Hoare annotation was computed. [2020-07-19 21:46:51,085 INFO L268 CegarLoopResult]: For program point L91(lines 91 2690) no Hoare annotation was computed. [2020-07-19 21:46:51,085 INFO L268 CegarLoopResult]: For program point L2106(lines 2106 2398) no Hoare annotation was computed. [2020-07-19 21:46:51,086 INFO L268 CegarLoopResult]: For program point L950(lines 950 971) no Hoare annotation was computed. [2020-07-19 21:46:51,086 INFO L268 CegarLoopResult]: For program point L917(lines 917 988) no Hoare annotation was computed. [2020-07-19 21:46:51,086 INFO L268 CegarLoopResult]: For program point L785(lines 785 1039) no Hoare annotation was computed. [2020-07-19 21:46:51,086 INFO L268 CegarLoopResult]: For program point L323(lines 323 499) no Hoare annotation was computed. [2020-07-19 21:46:51,086 INFO L268 CegarLoopResult]: For program point L191(lines 191 2654) no Hoare annotation was computed. [2020-07-19 21:46:51,087 INFO L268 CegarLoopResult]: For program point L2206(lines 2206 2362) no Hoare annotation was computed. [2020-07-19 21:46:51,087 INFO L268 CegarLoopResult]: For program point L885(lines 885 999) no Hoare annotation was computed. [2020-07-19 21:46:51,087 INFO L268 CegarLoopResult]: For program point L1612(lines 1612 2467) no Hoare annotation was computed. [2020-07-19 21:46:51,087 INFO L268 CegarLoopResult]: For program point L1480(lines 1480 1488) no Hoare annotation was computed. [2020-07-19 21:46:51,087 INFO L268 CegarLoopResult]: For program point L291(lines 291 510) no Hoare annotation was computed. [2020-07-19 21:46:51,087 INFO L268 CegarLoopResult]: For program point L2174(lines 2174 2377) no Hoare annotation was computed. [2020-07-19 21:46:51,087 INFO L268 CegarLoopResult]: For program point L1712(lines 1712 2431) no Hoare annotation was computed. [2020-07-19 21:46:51,088 INFO L268 CegarLoopResult]: For program point L1580(lines 1580 2482) no Hoare annotation was computed. [2020-07-19 21:46:51,088 INFO L268 CegarLoopResult]: For program point L391(lines 391 470) no Hoare annotation was computed. [2020-07-19 21:46:51,088 INFO L268 CegarLoopResult]: For program point L2274(lines 2274 2341) no Hoare annotation was computed. [2020-07-19 21:46:51,088 INFO L268 CegarLoopResult]: For program point L2142(lines 2142 2387) no Hoare annotation was computed. [2020-07-19 21:46:51,088 INFO L268 CegarLoopResult]: For program point L1118(lines 1118 2536) no Hoare annotation was computed. [2020-07-19 21:46:51,089 INFO L268 CegarLoopResult]: For program point L1812(lines 1812 2079) no Hoare annotation was computed. [2020-07-19 21:46:51,089 INFO L268 CegarLoopResult]: For program point L1680(lines 1680 2446) no Hoare annotation was computed. [2020-07-19 21:46:51,089 INFO L268 CegarLoopResult]: For program point L2308(lines 2308 2316) no Hoare annotation was computed. [2020-07-19 21:46:51,089 INFO L268 CegarLoopResult]: For program point L2242(lines 2242 2351) no Hoare annotation was computed. [2020-07-19 21:46:51,089 INFO L268 CegarLoopResult]: For program point L1218(lines 1218 2500) no Hoare annotation was computed. [2020-07-19 21:46:51,090 INFO L268 CegarLoopResult]: For program point L1086(lines 1086 2551) no Hoare annotation was computed. [2020-07-19 21:46:51,090 INFO L268 CegarLoopResult]: For program point L1912(lines 1912 2039) no Hoare annotation was computed. [2020-07-19 21:46:51,090 INFO L268 CegarLoopResult]: For program point L1780(lines 1780 2410) no Hoare annotation was computed. [2020-07-19 21:46:51,090 INFO L268 CegarLoopResult]: For program point L624(lines 624 2605) no Hoare annotation was computed. [2020-07-19 21:46:51,091 INFO L268 CegarLoopResult]: For program point L1648(lines 1648 2456) no Hoare annotation was computed. [2020-07-19 21:46:51,091 INFO L268 CegarLoopResult]: For program point L1318(lines 1318 1550) no Hoare annotation was computed. [2020-07-19 21:46:51,091 INFO L268 CegarLoopResult]: For program point L1186(lines 1186 2515) no Hoare annotation was computed. [2020-07-19 21:46:51,091 INFO L268 CegarLoopResult]: For program point L30(lines 30 2710) no Hoare annotation was computed. [2020-07-19 21:46:51,091 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 2722) the Hoare annotation is: (= |old(~__return_1135~0)| ~__return_1135~0) [2020-07-19 21:46:51,092 INFO L268 CegarLoopResult]: For program point L1880(lines 1880 2056) no Hoare annotation was computed. [2020-07-19 21:46:51,092 INFO L268 CegarLoopResult]: For program point L724(lines 724 2569) no Hoare annotation was computed. [2020-07-19 21:46:51,092 INFO L268 CegarLoopResult]: For program point L1748(lines 1748 2420) no Hoare annotation was computed. [2020-07-19 21:46:51,092 INFO L268 CegarLoopResult]: For program point L592(lines 592 2620) no Hoare annotation was computed. [2020-07-19 21:46:51,092 INFO L268 CegarLoopResult]: For program point L1418(lines 1418 1510) no Hoare annotation was computed. [2020-07-19 21:46:51,093 INFO L268 CegarLoopResult]: For program point L2310(line 2310) no Hoare annotation was computed. [2020-07-19 21:46:51,093 INFO L268 CegarLoopResult]: For program point L1286(lines 1286 1567) no Hoare annotation was computed. [2020-07-19 21:46:51,093 INFO L268 CegarLoopResult]: For program point L130(lines 130 2674) no Hoare annotation was computed. [2020-07-19 21:46:51,093 INFO L268 CegarLoopResult]: For program point L1154(lines 1154 2525) no Hoare annotation was computed. [2020-07-19 21:46:51,093 INFO L268 CegarLoopResult]: For program point L1980(lines 1980 2016) no Hoare annotation was computed. [2020-07-19 21:46:51,093 INFO L268 CegarLoopResult]: For program point L824(lines 824 1021) no Hoare annotation was computed. [2020-07-19 21:46:51,094 INFO L268 CegarLoopResult]: For program point L1848(lines 1848 2067) no Hoare annotation was computed. [2020-07-19 21:46:51,094 INFO L268 CegarLoopResult]: For program point L692(lines 692 2584) no Hoare annotation was computed. [2020-07-19 21:46:51,094 INFO L268 CegarLoopResult]: For program point L560(lines 560 2630) no Hoare annotation was computed. [2020-07-19 21:46:51,094 INFO L268 CegarLoopResult]: For program point L1386(lines 1386 1527) no Hoare annotation was computed. [2020-07-19 21:46:51,094 INFO L268 CegarLoopResult]: For program point L230(lines 230 532) no Hoare annotation was computed. [2020-07-19 21:46:51,095 INFO L268 CegarLoopResult]: For program point L1254(lines 1254 2489) no Hoare annotation was computed. [2020-07-19 21:46:51,095 INFO L268 CegarLoopResult]: For program point L98(lines 98 2689) no Hoare annotation was computed. [2020-07-19 21:46:51,095 INFO L268 CegarLoopResult]: For program point L924(lines 924 981) no Hoare annotation was computed. [2020-07-19 21:46:51,095 INFO L268 CegarLoopResult]: For program point L1948(lines 1948 2027) no Hoare annotation was computed. [2020-07-19 21:46:51,095 INFO L268 CegarLoopResult]: For program point L792(lines 792 1038) no Hoare annotation was computed. [2020-07-19 21:46:51,096 INFO L268 CegarLoopResult]: For program point L660(lines 660 2594) no Hoare annotation was computed. [2020-07-19 21:46:51,100 INFO L268 CegarLoopResult]: For program point L330(lines 330 492) no Hoare annotation was computed. [2020-07-19 21:46:51,100 INFO L268 CegarLoopResult]: For program point L1354(lines 1354 1538) no Hoare annotation was computed. [2020-07-19 21:46:51,100 INFO L268 CegarLoopResult]: For program point L198(lines 198 2653) no Hoare annotation was computed. [2020-07-19 21:46:51,100 INFO L268 CegarLoopResult]: For program point L66(lines 66 2699) no Hoare annotation was computed. [2020-07-19 21:46:51,101 INFO L264 CegarLoopResult]: At program point L1057(lines 742 2566) the Hoare annotation is: (and (<= 2 main_~main__i~0) (<= 8 main_~main__j~0) (= |old(~__return_1135~0)| ~__return_1135~0)) [2020-07-19 21:46:51,102 INFO L268 CegarLoopResult]: For program point L892(lines 892 998) no Hoare annotation was computed. [2020-07-19 21:46:51,104 INFO L268 CegarLoopResult]: For program point L760(lines 760 1049) no Hoare annotation was computed. [2020-07-19 21:46:51,105 INFO L264 CegarLoopResult]: At program point L1487(lines 1459 1498) the Hoare annotation is: false [2020-07-19 21:46:51,105 INFO L268 CegarLoopResult]: For program point L1454(lines 1454 1498) no Hoare annotation was computed. [2020-07-19 21:46:51,105 INFO L268 CegarLoopResult]: For program point L298(lines 298 509) no Hoare annotation was computed. [2020-07-19 21:46:51,105 INFO L268 CegarLoopResult]: For program point L166(lines 166 2663) no Hoare annotation was computed. [2020-07-19 21:46:51,106 INFO L268 CegarLoopResult]: For program point L2181(lines 2181 2371) no Hoare annotation was computed. [2020-07-19 21:46:51,106 INFO L268 CegarLoopResult]: For program point L860(lines 860 1009) no Hoare annotation was computed. [2020-07-19 21:46:51,106 INFO L268 CegarLoopResult]: For program point L1587(lines 1587 2476) no Hoare annotation was computed. [2020-07-19 21:46:51,106 INFO L268 CegarLoopResult]: For program point L431(lines 431 452) no Hoare annotation was computed. [2020-07-19 21:46:51,106 INFO L268 CegarLoopResult]: For program point L398(lines 398 469) no Hoare annotation was computed. [2020-07-19 21:46:51,106 INFO L268 CegarLoopResult]: For program point L266(lines 266 520) no Hoare annotation was computed. [2020-07-19 21:46:51,106 INFO L268 CegarLoopResult]: For program point L2281(lines 2281 2335) no Hoare annotation was computed. [2020-07-19 21:46:51,108 INFO L268 CegarLoopResult]: For program point L2149(lines 2149 2386) no Hoare annotation was computed. [2020-07-19 21:46:51,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:46:51 BoogieIcfgContainer [2020-07-19 21:46:51,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:46:51,165 INFO L168 Benchmark]: Toolchain (without parser) took 6378.84 ms. Allocated memory was 146.8 MB in the beginning and 286.8 MB in the end (delta: 140.0 MB). Free memory was 103.3 MB in the beginning and 195.1 MB in the end (delta: -91.7 MB). Peak memory consumption was 149.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:46:51,166 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:46:51,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.14 ms. Allocated memory was 146.8 MB in the beginning and 207.1 MB in the end (delta: 60.3 MB). Free memory was 103.1 MB in the beginning and 169.9 MB in the end (delta: -66.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:46:51,168 INFO L168 Benchmark]: Boogie Preprocessor took 121.10 ms. Allocated memory is still 207.1 MB. Free memory was 169.9 MB in the beginning and 165.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:46:51,170 INFO L168 Benchmark]: RCFGBuilder took 1382.52 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 165.7 MB in the beginning and 148.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:46:51,171 INFO L168 Benchmark]: TraceAbstraction took 3969.63 ms. Allocated memory was 237.5 MB in the beginning and 286.8 MB in the end (delta: 49.3 MB). Free memory was 148.6 MB in the beginning and 195.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:46:51,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 900.14 ms. Allocated memory was 146.8 MB in the beginning and 207.1 MB in the end (delta: 60.3 MB). Free memory was 103.1 MB in the beginning and 169.9 MB in the end (delta: -66.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.10 ms. Allocated memory is still 207.1 MB. Free memory was 169.9 MB in the beginning and 165.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1382.52 ms. Allocated memory was 207.1 MB in the beginning and 237.5 MB in the end (delta: 30.4 MB). Free memory was 165.7 MB in the beginning and 148.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 78.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3969.63 ms. Allocated memory was 237.5 MB in the beginning and 286.8 MB in the end (delta: 49.3 MB). Free memory was 148.6 MB in the beginning and 195.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2001]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2310]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1780]: Loop Invariant Derived loop invariant: (((((0 <= main__j && main__i < main__nlen) && \old(__return_1135) == __return_1135) && !(0 == __VERIFIER_assert__cond)) && !(0 == __VERIFIER_assert__cond)) && 5 <= main__i) || (((main__i < main__nlen && \old(__return_1135) == __return_1135) && 7 <= main__j) && 4 <= main__i) - InvariantResult [Line: 1780]: Loop Invariant Derived loop invariant: (8 <= main__j && \old(__return_1135) == __return_1135) && 4 <= main__i - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1459]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2297]: Loop Invariant Derived loop invariant: (((0 <= main__j && main__i < main__nlen) && \old(__return_1135) == __return_1135) && 5 <= main__i) || (((8 <= main__j && main__i < main__nlen) && \old(__return_1135) == __return_1135) && 4 <= main__i) - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1261]: Loop Invariant Derived loop invariant: (3 <= main__i && 8 <= main__j) && \old(__return_1135) == __return_1135 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (8 <= main__j && \old(__return_1135) == __return_1135) && 1 <= main__i - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (2 <= main__i && 8 <= main__j) && \old(__return_1135) == __return_1135 - InvariantResult [Line: 1780]: Loop Invariant Derived loop invariant: (((0 <= main__j && main__i < main__nlen) && \old(__return_1135) == __return_1135) && !(0 == __VERIFIER_assert__cond)) && 5 <= main__i - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 256 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 223 SDtfs, 1988 SDslu, 35 SDs, 0 SdLazy, 1161 SolverSat, 494 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 47 NumberOfFragments, 134 HoareAnnotationTreeSize, 14 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 552 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 422 NumberOfCodeBlocks, 422 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 110651 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...