/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 02:24:23,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 02:24:23,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 02:24:23,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 02:24:23,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 02:24:23,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 02:24:23,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 02:24:23,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 02:24:23,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 02:24:23,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 02:24:23,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 02:24:23,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 02:24:23,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 02:24:23,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 02:24:23,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 02:24:23,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 02:24:23,147 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 02:24:23,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 02:24:23,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 02:24:23,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 02:24:23,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 02:24:23,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 02:24:23,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 02:24:23,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 02:24:23,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 02:24:23,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 02:24:23,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 02:24:23,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 02:24:23,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 02:24:23,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 02:24:23,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 02:24:23,197 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 02:24:23,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 02:24:23,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 02:24:23,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 02:24:23,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 02:24:23,199 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 02:24:23,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 02:24:23,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 02:24:23,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 02:24:23,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 02:24:23,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 02:24:23,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 02:24:23,200 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 02:24:23,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 02:24:23,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 02:24:23,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 02:24:23,638 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 02:24:23,638 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 02:24:23,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2020-10-24 02:24:23,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097d487d8/9569912587514a85b7aab23e7364b661/FLAG1f4b22b3b [2020-10-24 02:24:24,477 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 02:24:24,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2020-10-24 02:24:24,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097d487d8/9569912587514a85b7aab23e7364b661/FLAG1f4b22b3b [2020-10-24 02:24:24,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/097d487d8/9569912587514a85b7aab23e7364b661 [2020-10-24 02:24:24,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 02:24:24,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 02:24:24,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 02:24:24,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 02:24:24,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 02:24:24,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:24:24" (1/1) ... [2020-10-24 02:24:24,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71446369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:24, skipping insertion in model container [2020-10-24 02:24:24,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:24:24" (1/1) ... [2020-10-24 02:24:24,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 02:24:24,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 02:24:25,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:24:25,155 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 02:24:25,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 02:24:25,289 INFO L208 MainTranslator]: Completed translation [2020-10-24 02:24:25,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25 WrapperNode [2020-10-24 02:24:25,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 02:24:25,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 02:24:25,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 02:24:25,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 02:24:25,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (1/1) ... [2020-10-24 02:24:25,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (1/1) ... [2020-10-24 02:24:25,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (1/1) ... [2020-10-24 02:24:25,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (1/1) ... [2020-10-24 02:24:25,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (1/1) ... [2020-10-24 02:24:25,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (1/1) ... [2020-10-24 02:24:25,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (1/1) ... [2020-10-24 02:24:25,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 02:24:25,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 02:24:25,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 02:24:25,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 02:24:25,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (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 [2020-10-24 02:24:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 02:24:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 02:24:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 02:24:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-24 02:24:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2020-10-24 02:24:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 02:24:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2020-10-24 02:24:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 02:24:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 02:24:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 02:24:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 02:24:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-24 02:24:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2020-10-24 02:24:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2020-10-24 02:24:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 02:24:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 02:24:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 02:24:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 02:24:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 02:24:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 02:24:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 02:24:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 02:24:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 02:24:26,302 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 02:24:26,303 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-24 02:24:26,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:24:26 BoogieIcfgContainer [2020-10-24 02:24:26,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 02:24:26,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 02:24:26,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 02:24:26,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 02:24:26,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:24:24" (1/3) ... [2020-10-24 02:24:26,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f65b473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:24:26, skipping insertion in model container [2020-10-24 02:24:26,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:24:25" (2/3) ... [2020-10-24 02:24:26,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f65b473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:24:26, skipping insertion in model container [2020-10-24 02:24:26,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:24:26" (3/3) ... [2020-10-24 02:24:26,314 INFO L111 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2020-10-24 02:24:26,325 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 02:24:26,329 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 02:24:26,340 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 02:24:26,365 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 02:24:26,366 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 02:24:26,366 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 02:24:26,366 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 02:24:26,366 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 02:24:26,366 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 02:24:26,366 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 02:24:26,366 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 02:24:26,388 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2020-10-24 02:24:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-24 02:24:26,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:24:26,398 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] [2020-10-24 02:24:26,399 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:24:26,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:24:26,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1617994579, now seen corresponding path program 1 times [2020-10-24 02:24:26,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:24:26,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702112763] [2020-10-24 02:24:26,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:24:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:24:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:24:26,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702112763] [2020-10-24 02:24:26,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:24:26,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 02:24:26,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584699199] [2020-10-24 02:24:26,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 02:24:26,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:24:26,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 02:24:26,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 02:24:26,829 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 3 states. [2020-10-24 02:24:27,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:24:27,482 INFO L93 Difference]: Finished difference Result 368 states and 433 transitions. [2020-10-24 02:24:27,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 02:24:27,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-24 02:24:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:24:27,493 INFO L225 Difference]: With dead ends: 368 [2020-10-24 02:24:27,494 INFO L226 Difference]: Without dead ends: 61 [2020-10-24 02:24:27,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 02:24:27,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-24 02:24:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-10-24 02:24:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-24 02:24:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2020-10-24 02:24:27,556 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 36 [2020-10-24 02:24:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:24:27,557 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2020-10-24 02:24:27,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 02:24:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2020-10-24 02:24:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-24 02:24:27,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:24:27,564 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] [2020-10-24 02:24:27,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 02:24:27,565 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:24:27,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:24:27,566 INFO L82 PathProgramCache]: Analyzing trace with hash 2075760546, now seen corresponding path program 1 times [2020-10-24 02:24:27,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:24:27,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628298448] [2020-10-24 02:24:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:24:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:27,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:24:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:24:27,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628298448] [2020-10-24 02:24:27,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:24:27,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 02:24:27,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736450330] [2020-10-24 02:24:27,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 02:24:27,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:24:27,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 02:24:27,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 02:24:27,754 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 5 states. [2020-10-24 02:24:28,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:24:28,018 INFO L93 Difference]: Finished difference Result 97 states and 104 transitions. [2020-10-24 02:24:28,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 02:24:28,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-24 02:24:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:24:28,020 INFO L225 Difference]: With dead ends: 97 [2020-10-24 02:24:28,021 INFO L226 Difference]: Without dead ends: 70 [2020-10-24 02:24:28,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 02:24:28,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-24 02:24:28,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 55. [2020-10-24 02:24:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-24 02:24:28,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-10-24 02:24:28,043 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 36 [2020-10-24 02:24:28,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:24:28,044 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-10-24 02:24:28,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 02:24:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-10-24 02:24:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-24 02:24:28,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:24:28,046 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] [2020-10-24 02:24:28,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 02:24:28,047 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:24:28,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:24:28,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1735066646, now seen corresponding path program 1 times [2020-10-24 02:24:28,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:24:28,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865050224] [2020-10-24 02:24:28,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:24:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:28,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:24:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:28,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 02:24:28,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865050224] [2020-10-24 02:24:28,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:24:28,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 02:24:28,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711561600] [2020-10-24 02:24:28,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 02:24:28,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:24:28,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 02:24:28,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 02:24:28,290 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 5 states. [2020-10-24 02:24:28,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:24:28,566 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2020-10-24 02:24:28,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 02:24:28,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-10-24 02:24:28,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:24:28,568 INFO L225 Difference]: With dead ends: 110 [2020-10-24 02:24:28,568 INFO L226 Difference]: Without dead ends: 82 [2020-10-24 02:24:28,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 02:24:28,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-24 02:24:28,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 61. [2020-10-24 02:24:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-24 02:24:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2020-10-24 02:24:28,585 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 45 [2020-10-24 02:24:28,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:24:28,586 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2020-10-24 02:24:28,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 02:24:28,586 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-10-24 02:24:28,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-24 02:24:28,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:24:28,588 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] [2020-10-24 02:24:28,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 02:24:28,588 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:24:28,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:24:28,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1387337385, now seen corresponding path program 1 times [2020-10-24 02:24:28,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:24:28,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593461574] [2020-10-24 02:24:28,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:24:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:28,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:24:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-24 02:24:28,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593461574] [2020-10-24 02:24:28,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 02:24:28,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 02:24:28,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455206095] [2020-10-24 02:24:28,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 02:24:28,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:24:28,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 02:24:28,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-24 02:24:28,744 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 6 states. [2020-10-24 02:24:29,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:24:29,135 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2020-10-24 02:24:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 02:24:29,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-10-24 02:24:29,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:24:29,137 INFO L225 Difference]: With dead ends: 84 [2020-10-24 02:24:29,137 INFO L226 Difference]: Without dead ends: 81 [2020-10-24 02:24:29,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-24 02:24:29,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-24 02:24:29,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2020-10-24 02:24:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-24 02:24:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2020-10-24 02:24:29,156 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 48 [2020-10-24 02:24:29,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:24:29,157 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2020-10-24 02:24:29,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 02:24:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2020-10-24 02:24:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-24 02:24:29,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:24:29,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-10-24 02:24:29,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 02:24:29,159 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:24:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:24:29,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1258713198, now seen corresponding path program 1 times [2020-10-24 02:24:29,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:24:29,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020046832] [2020-10-24 02:24:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:24:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:29,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:24:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-24 02:24:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 02:24:29,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020046832] [2020-10-24 02:24:29,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:24:29,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 02:24:29,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929438507] [2020-10-24 02:24:29,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 02:24:29,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:24:29,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 02:24:29,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-24 02:24:29,341 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand 8 states. [2020-10-24 02:24:29,950 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-10-24 02:24:29,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:24:29,978 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2020-10-24 02:24:29,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 02:24:29,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-24 02:24:29,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:24:29,981 INFO L225 Difference]: With dead ends: 109 [2020-10-24 02:24:29,981 INFO L226 Difference]: Without dead ends: 106 [2020-10-24 02:24:29,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-10-24 02:24:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-24 02:24:30,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2020-10-24 02:24:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-24 02:24:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 109 transitions. [2020-10-24 02:24:30,017 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 109 transitions. Word has length 70 [2020-10-24 02:24:30,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:24:30,020 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 109 transitions. [2020-10-24 02:24:30,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 02:24:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2020-10-24 02:24:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-24 02:24:30,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 02:24:30,027 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 02:24:30,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 02:24:30,027 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 02:24:30,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 02:24:30,028 INFO L82 PathProgramCache]: Analyzing trace with hash 2017231803, now seen corresponding path program 2 times [2020-10-24 02:24:30,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 02:24:30,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084452450] [2020-10-24 02:24:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 02:24:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:30,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 02:24:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:30,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-24 02:24:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-24 02:24:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 02:24:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-24 02:24:30,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084452450] [2020-10-24 02:24:30,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 02:24:30,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 02:24:30,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124919247] [2020-10-24 02:24:30,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 02:24:30,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 02:24:30,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 02:24:30,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-24 02:24:30,269 INFO L87 Difference]: Start difference. First operand 103 states and 109 transitions. Second operand 7 states. [2020-10-24 02:24:30,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 02:24:30,749 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2020-10-24 02:24:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-24 02:24:30,756 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-24 02:24:30,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 02:24:30,757 INFO L225 Difference]: With dead ends: 103 [2020-10-24 02:24:30,758 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 02:24:30,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-24 02:24:30,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 02:24:30,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 02:24:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 02:24:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 02:24:30,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2020-10-24 02:24:30,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 02:24:30,761 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 02:24:30,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 02:24:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 02:24:30,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 02:24:30,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 02:24:30,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 02:24:32,562 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,563 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,563 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,563 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,563 INFO L277 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L151-1(line 151) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L118-3(lines 118 136) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L118-4(line 118) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L118-5(line 118) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L118-6(lines 118 136) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L118-7(lines 118 136) the Hoare annotation is: true [2020-10-24 02:24:32,564 INFO L277 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,565 INFO L277 CegarLoopResult]: At program point L120-1(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,565 INFO L277 CegarLoopResult]: At program point L120-2(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,565 INFO L277 CegarLoopResult]: At program point L120-3(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,565 INFO L277 CegarLoopResult]: At program point ludcmpEXIT(lines 111 155) the Hoare annotation is: true [2020-10-24 02:24:32,565 INFO L277 CegarLoopResult]: At program point L120-4(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,565 INFO L277 CegarLoopResult]: At program point L120-5(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,565 INFO L277 CegarLoopResult]: At program point L120-6(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,566 INFO L277 CegarLoopResult]: At program point L120-7(line 120) the Hoare annotation is: true [2020-10-24 02:24:32,566 INFO L277 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: true [2020-10-24 02:24:32,566 INFO L277 CegarLoopResult]: At program point L137-1(line 137) the Hoare annotation is: true [2020-10-24 02:24:32,566 INFO L270 CegarLoopResult]: At program point ludcmpENTRY(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,566 INFO L277 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: true [2020-10-24 02:24:32,566 INFO L277 CegarLoopResult]: At program point L121-3(lines 121 128) the Hoare annotation is: true [2020-10-24 02:24:32,566 INFO L277 CegarLoopResult]: At program point L121-4(line 121) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L121-5(line 121) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L121-6(lines 121 128) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L121-7(lines 121 128) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L138-3(line 138) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L138-4(line 138) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L138-5(lines 138 144) the Hoare annotation is: true [2020-10-24 02:24:32,567 INFO L277 CegarLoopResult]: At program point L138-6(lines 138 144) the Hoare annotation is: true [2020-10-24 02:24:32,568 INFO L277 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: true [2020-10-24 02:24:32,568 INFO L277 CegarLoopResult]: At program point L123-1(line 123) the Hoare annotation is: true [2020-10-24 02:24:32,568 INFO L277 CegarLoopResult]: At program point L123-2(line 123) the Hoare annotation is: true [2020-10-24 02:24:32,568 INFO L277 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: true [2020-10-24 02:24:32,568 INFO L277 CegarLoopResult]: At program point L140-1(line 140) the Hoare annotation is: true [2020-10-24 02:24:32,568 INFO L277 CegarLoopResult]: At program point L140-2(line 140) the Hoare annotation is: true [2020-10-24 02:24:32,568 INFO L277 CegarLoopResult]: At program point L124(lines 124 126) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L124-1(lines 124 126) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L141-3(lines 141 142) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L141-4(line 141) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L141-5(line 141) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L141-6(lines 141 142) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L141-7(lines 141 142) the Hoare annotation is: true [2020-10-24 02:24:32,569 INFO L277 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L125-3(lines 125 126) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L125-4(line 125) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L125-5(line 125) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L125-6(lines 125 126) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L142-1(line 142) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L142-2(line 142) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L142-3(line 142) the Hoare annotation is: true [2020-10-24 02:24:32,570 INFO L277 CegarLoopResult]: At program point L142-4(line 142) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L126-2(line 126) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L126-3(line 126) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L126-4(line 126) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L143(lines 138 144) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: true [2020-10-24 02:24:32,571 INFO L277 CegarLoopResult]: At program point L127-1(line 127) the Hoare annotation is: true [2020-10-24 02:24:32,572 INFO L270 CegarLoopResult]: At program point L111(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,572 INFO L270 CegarLoopResult]: At program point L111-1(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,572 INFO L277 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: true [2020-10-24 02:24:32,572 INFO L277 CegarLoopResult]: At program point L145-1(line 145) the Hoare annotation is: true [2020-10-24 02:24:32,572 INFO L277 CegarLoopResult]: At program point L145-2(line 145) the Hoare annotation is: true [2020-10-24 02:24:32,572 INFO L277 CegarLoopResult]: At program point L145-3(line 145) the Hoare annotation is: true [2020-10-24 02:24:32,573 INFO L277 CegarLoopResult]: At program point L129-2(line 129) the Hoare annotation is: true [2020-10-24 02:24:32,573 INFO L277 CegarLoopResult]: At program point L129-3(line 129) the Hoare annotation is: true [2020-10-24 02:24:32,573 INFO L277 CegarLoopResult]: At program point L129-4(lines 129 135) the Hoare annotation is: true [2020-10-24 02:24:32,573 INFO L277 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: true [2020-10-24 02:24:32,573 INFO L277 CegarLoopResult]: At program point L146-3(lines 146 152) the Hoare annotation is: true [2020-10-24 02:24:32,573 INFO L277 CegarLoopResult]: At program point L146-4(line 146) the Hoare annotation is: true [2020-10-24 02:24:32,573 INFO L277 CegarLoopResult]: At program point L146-5(line 146) the Hoare annotation is: true [2020-10-24 02:24:32,574 INFO L277 CegarLoopResult]: At program point L146-6(lines 146 152) the Hoare annotation is: true [2020-10-24 02:24:32,574 INFO L277 CegarLoopResult]: At program point L146-7(lines 146 152) the Hoare annotation is: true [2020-10-24 02:24:32,574 INFO L277 CegarLoopResult]: At program point ludcmpFINAL(lines 111 155) the Hoare annotation is: true [2020-10-24 02:24:32,574 INFO L270 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,574 INFO L270 CegarLoopResult]: At program point L114-1(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,574 INFO L270 CegarLoopResult]: At program point L114-2(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,575 INFO L277 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: true [2020-10-24 02:24:32,575 INFO L277 CegarLoopResult]: At program point L131-1(line 131) the Hoare annotation is: true [2020-10-24 02:24:32,575 INFO L277 CegarLoopResult]: At program point L131-2(line 131) the Hoare annotation is: true [2020-10-24 02:24:32,575 INFO L277 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: true [2020-10-24 02:24:32,575 INFO L270 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,575 INFO L277 CegarLoopResult]: At program point L148-1(line 148) the Hoare annotation is: true [2020-10-24 02:24:32,575 INFO L270 CegarLoopResult]: At program point L115-1(line 115) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L148-2(line 148) the Hoare annotation is: true [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L115-2(lines 112 155) the Hoare annotation is: true [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L115-3(line 115) the Hoare annotation is: true [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L115-4(line 115) the Hoare annotation is: true [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L115-5(line 115) the Hoare annotation is: true [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L115-6(line 115) the Hoare annotation is: true [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L115-7(line 115) the Hoare annotation is: true [2020-10-24 02:24:32,576 INFO L277 CegarLoopResult]: At program point L115-8(line 115) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L132-3(lines 132 133) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L132-4(line 132) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L132-5(line 132) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L132-6(lines 132 133) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L132-7(lines 132 133) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-10-24 02:24:32,577 INFO L277 CegarLoopResult]: At program point L149-3(lines 149 150) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L149-4(line 149) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L149-5(line 149) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L149-6(lines 149 150) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L149-7(lines 149 150) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L133(line 133) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L133-1(line 133) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L133-2(line 133) the Hoare annotation is: true [2020-10-24 02:24:32,578 INFO L277 CegarLoopResult]: At program point L133-3(line 133) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L133-4(line 133) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L150-1(line 150) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L150-2(line 150) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L150-3(line 150) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L150-4(line 150) the Hoare annotation is: true [2020-10-24 02:24:32,579 INFO L277 CegarLoopResult]: At program point L134(lines 129 135) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L277 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L277 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L277 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L277 CegarLoopResult]: At program point L3-5(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,580 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#x~0.base| |old(~#x~0.base)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#x~0.offset| |old(~#x~0.offset)|) (= |old(#memory_real)| |#memory_real|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-24 02:24:32,581 INFO L277 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: true [2020-10-24 02:24:32,581 INFO L277 CegarLoopResult]: At program point L71-1(line 71) the Hoare annotation is: true [2020-10-24 02:24:32,581 INFO L277 CegarLoopResult]: At program point L71-2(line 71) the Hoare annotation is: true [2020-10-24 02:24:32,581 INFO L277 CegarLoopResult]: At program point L71-3(line 71) the Hoare annotation is: true [2020-10-24 02:24:32,581 INFO L277 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,581 INFO L277 CegarLoopResult]: At program point L71-4(line 71) the Hoare annotation is: true [2020-10-24 02:24:32,581 INFO L277 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point L81(line 81) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point L80(lines 80 81) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point L80-1(line 80) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point L80-3(lines 80 81) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point fabsEXIT(lines 76 83) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point fabsENTRY(lines 76 83) the Hoare annotation is: true [2020-10-24 02:24:32,582 INFO L277 CegarLoopResult]: At program point fabsFINAL(lines 76 83) the Hoare annotation is: true [2020-10-24 02:24:32,583 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,583 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,583 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,583 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-24 02:24:32,583 INFO L270 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,583 INFO L270 CegarLoopResult]: At program point L93-3(line 93) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,583 INFO L270 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,584 INFO L270 CegarLoopResult]: At program point L93-4(line 93) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,584 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 85 109) the Hoare annotation is: true [2020-10-24 02:24:32,584 INFO L270 CegarLoopResult]: At program point L89-1(line 89) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,584 INFO L270 CegarLoopResult]: At program point L93-5(lines 93 104) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,584 INFO L277 CegarLoopResult]: At program point L93-6(lines 93 104) the Hoare annotation is: true [2020-10-24 02:24:32,584 INFO L277 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: true [2020-10-24 02:24:32,585 INFO L277 CegarLoopResult]: At program point L106-1(line 106) the Hoare annotation is: true [2020-10-24 02:24:32,585 INFO L277 CegarLoopResult]: At program point L106-2(line 106) the Hoare annotation is: true [2020-10-24 02:24:32,585 INFO L270 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,585 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,585 INFO L270 CegarLoopResult]: At program point L98-1(lines 97 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,585 INFO L270 CegarLoopResult]: At program point L103(lines 93 104) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,585 INFO L270 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,586 INFO L270 CegarLoopResult]: At program point L99-1(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,586 INFO L270 CegarLoopResult]: At program point L99-2(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,586 INFO L270 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,586 INFO L270 CegarLoopResult]: At program point L99-4(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,586 INFO L270 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,586 INFO L277 CegarLoopResult]: At program point mainFINAL(lines 85 109) the Hoare annotation is: true [2020-10-24 02:24:32,587 INFO L277 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: true [2020-10-24 02:24:32,587 INFO L270 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,587 INFO L270 CegarLoopResult]: At program point L100-1(line 100) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,587 INFO L270 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,587 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 85 109) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,587 INFO L270 CegarLoopResult]: At program point L96-3(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,587 INFO L270 CegarLoopResult]: At program point L96-4(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,588 INFO L270 CegarLoopResult]: At program point L96-5(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,588 INFO L270 CegarLoopResult]: At program point L96-6(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,588 INFO L270 CegarLoopResult]: At program point L96-7(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2020-10-24 02:24:32,588 INFO L270 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,588 INFO L270 CegarLoopResult]: At program point L88-1(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,588 INFO L270 CegarLoopResult]: At program point L88-2(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,589 INFO L270 CegarLoopResult]: At program point L88-3(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2020-10-24 02:24:32,589 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2020-10-24 02:24:32,589 INFO L270 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 5 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-24 02:24:32,589 INFO L270 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-24 02:24:32,589 INFO L270 CegarLoopResult]: At program point L6(lines 6 8) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-24 02:24:32,589 INFO L270 CegarLoopResult]: At program point L7-1(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2020-10-24 02:24:32,590 INFO L270 CegarLoopResult]: At program point L6-2(lines 5 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2020-10-24 02:24:32,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 02:24:32 BoogieIcfgContainer [2020-10-24 02:24:32,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 02:24:32,613 INFO L168 Benchmark]: Toolchain (without parser) took 7794.28 ms. Allocated memory was 125.8 MB in the beginning and 182.5 MB in the end (delta: 56.6 MB). Free memory was 102.5 MB in the beginning and 76.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 8.0 GB. [2020-10-24 02:24:32,614 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 102.5 MB in the beginning and 102.4 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 02:24:32,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.26 ms. Allocated memory is still 125.8 MB. Free memory was 101.9 MB in the beginning and 90.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-24 02:24:32,616 INFO L168 Benchmark]: Boogie Preprocessor took 136.19 ms. Allocated memory is still 125.8 MB. Free memory was 90.1 MB in the beginning and 87.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-24 02:24:32,617 INFO L168 Benchmark]: RCFGBuilder took 874.95 ms. Allocated memory was 125.8 MB in the beginning and 152.0 MB in the end (delta: 26.2 MB). Free memory was 87.8 MB in the beginning and 108.2 MB in the end (delta: -20.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-10-24 02:24:32,618 INFO L168 Benchmark]: TraceAbstraction took 6304.18 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 107.8 MB in the beginning and 76.6 MB in the end (delta: 31.1 MB). Peak memory consumption was 64.6 MB. Max. memory is 8.0 GB. [2020-10-24 02:24:32,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 102.5 MB in the beginning and 102.4 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 462.26 ms. Allocated memory is still 125.8 MB. Free memory was 101.9 MB in the beginning and 90.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.19 ms. Allocated memory is still 125.8 MB. Free memory was 90.1 MB in the beginning and 87.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 874.95 ms. Allocated memory was 125.8 MB in the beginning and 152.0 MB in the end (delta: 26.2 MB). Free memory was 87.8 MB in the beginning and 108.2 MB in the end (delta: -20.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6304.18 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 107.8 MB in the beginning and 76.6 MB in the end (delta: 31.1 MB). Peak memory consumption was 64.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: n <= 5 && 5 <= n - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (i <= 5 && n <= 5) && 5 <= n - ProcedureContractResult [Line: 3]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 111]: Procedure Contract for ludcmp Derived contract for procedure ludcmp: 1 - ProcedureContractResult [Line: 76]: Procedure Contract for fabs Derived contract for procedure fabs: 1 - ProcedureContractResult [Line: 85]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 5]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 195 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 243 SDslu, 416 SDs, 0 SdLazy, 749 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 49 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 195 LocationsWithAnnotation, 495 PreInvPairs, 788 NumberOfFragments, 628 HoareAnnotationTreeSize, 495 FomulaSimplifications, 3273 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 195 FomulaSimplificationsInter, 1349 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 56060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 39/85 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...