/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 FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 13:00:42,773 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 13:00:42,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 13:00:42,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 13:00:42,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 13:00:42,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 13:00:42,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 13:00:42,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 13:00:42,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 13:00:42,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 13:00:42,864 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 13:00:42,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 13:00:42,864 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 13:00:42,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 13:00:42,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 13:00:42,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 13:00:42,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 13:00:42,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 13:00:42,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 13:00:42,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 13:00:42,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 13:00:42,871 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 13:00:42,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 13:00:42,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 13:00:42,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 13:00:42,872 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 13:00:42,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 13:00:42,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 13:00:42,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 13:00:42,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 13:00:42,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 13:00:42,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 13:00:42,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 13:00:42,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 13:00:42,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 13:00:42,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 13:00:43,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 13:00:43,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 13:00:43,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 13:00:43,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 13:00:43,236 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 13:00:43,237 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label31.c [2020-08-18 13:00:43,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35d97bee6/f00082cfecbf4ad6bb1ff98616c8cd28/FLAG5439265aa [2020-08-18 13:00:43,937 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 13:00:43,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label31.c [2020-08-18 13:00:43,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35d97bee6/f00082cfecbf4ad6bb1ff98616c8cd28/FLAG5439265aa [2020-08-18 13:00:44,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35d97bee6/f00082cfecbf4ad6bb1ff98616c8cd28 [2020-08-18 13:00:44,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 13:00:44,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 13:00:44,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 13:00:44,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 13:00:44,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 13:00:44,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 01:00:44" (1/1) ... [2020-08-18 13:00:44,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9fa743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:44, skipping insertion in model container [2020-08-18 13:00:44,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 01:00:44" (1/1) ... [2020-08-18 13:00:44,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 13:00:44,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 13:00:44,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 13:00:44,867 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 13:00:45,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 13:00:45,065 INFO L208 MainTranslator]: Completed translation [2020-08-18 13:00:45,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45 WrapperNode [2020-08-18 13:00:45,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 13:00:45,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 13:00:45,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 13:00:45,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 13:00:45,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... [2020-08-18 13:00:45,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... [2020-08-18 13:00:45,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... [2020-08-18 13:00:45,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... [2020-08-18 13:00:45,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... [2020-08-18 13:00:45,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... [2020-08-18 13:00:45,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... [2020-08-18 13:00:45,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 13:00:45,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 13:00:45,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 13:00:45,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 13:00:45,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 13:00:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 13:00:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 13:00:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 13:00:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 13:00:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 13:00:45,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 13:00:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 13:00:45,292 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 13:00:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 13:00:45,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 13:00:45,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 13:00:46,691 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 13:00:46,694 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 13:00:46,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 01:00:46 BoogieIcfgContainer [2020-08-18 13:00:46,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 13:00:46,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 13:00:46,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 13:00:46,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 13:00:46,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 01:00:44" (1/3) ... [2020-08-18 13:00:46,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f64e870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 01:00:46, skipping insertion in model container [2020-08-18 13:00:46,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:45" (2/3) ... [2020-08-18 13:00:46,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f64e870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 01:00:46, skipping insertion in model container [2020-08-18 13:00:46,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 01:00:46" (3/3) ... [2020-08-18 13:00:46,720 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label31.c [2020-08-18 13:00:46,731 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 13:00:46,742 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 13:00:46,757 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 13:00:46,791 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 13:00:46,791 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 13:00:46,791 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 13:00:46,791 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 13:00:46,792 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 13:00:46,792 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 13:00:46,792 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 13:00:46,792 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 13:00:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 13:00:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-08-18 13:00:46,824 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:46,825 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] [2020-08-18 13:00:46,825 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:46,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:46,832 INFO L82 PathProgramCache]: Analyzing trace with hash -721063394, now seen corresponding path program 1 times [2020-08-18 13:00:46,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:46,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451848246] [2020-08-18 13:00:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:47,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 13:00:47,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451848246] [2020-08-18 13:00:47,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 13:00:47,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 13:00:47,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013537747] [2020-08-18 13:00:47,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 13:00:47,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:47,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 13:00:47,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 13:00:47,288 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 13:00:49,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:49,524 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-08-18 13:00:49,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 13:00:49,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-08-18 13:00:49,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:49,553 INFO L225 Difference]: With dead ends: 730 [2020-08-18 13:00:49,554 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 13:00:49,562 INFO L675 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 [2020-08-18 13:00:49,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 13:00:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-08-18 13:00:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-08-18 13:00:49,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 615 transitions. [2020-08-18 13:00:49,652 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 615 transitions. Word has length 49 [2020-08-18 13:00:49,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:49,653 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 615 transitions. [2020-08-18 13:00:49,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 13:00:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 615 transitions. [2020-08-18 13:00:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-18 13:00:49,660 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:49,661 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2020-08-18 13:00:49,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 13:00:49,661 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:49,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:49,662 INFO L82 PathProgramCache]: Analyzing trace with hash 134686653, now seen corresponding path program 1 times [2020-08-18 13:00:49,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:49,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1585855889] [2020-08-18 13:00:49,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:49,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:49,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 13:00:50,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1585855889] [2020-08-18 13:00:50,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 13:00:50,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 13:00:50,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118585472] [2020-08-18 13:00:50,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 13:00:50,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:50,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 13:00:50,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 13:00:50,082 INFO L87 Difference]: Start difference. First operand 443 states and 615 transitions. Second operand 7 states. [2020-08-18 13:00:51,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:51,473 INFO L93 Difference]: Finished difference Result 1033 states and 1409 transitions. [2020-08-18 13:00:51,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 13:00:51,474 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2020-08-18 13:00:51,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:51,479 INFO L225 Difference]: With dead ends: 1033 [2020-08-18 13:00:51,479 INFO L226 Difference]: Without dead ends: 596 [2020-08-18 13:00:51,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-18 13:00:51,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-08-18 13:00:51,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 592. [2020-08-18 13:00:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-18 13:00:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 781 transitions. [2020-08-18 13:00:51,519 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 781 transitions. Word has length 126 [2020-08-18 13:00:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:51,520 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 781 transitions. [2020-08-18 13:00:51,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 13:00:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 781 transitions. [2020-08-18 13:00:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-08-18 13:00:51,528 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:51,529 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-18 13:00:51,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 13:00:51,529 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:51,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:51,530 INFO L82 PathProgramCache]: Analyzing trace with hash -845058623, now seen corresponding path program 1 times [2020-08-18 13:00:51,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:51,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081129057] [2020-08-18 13:00:51,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-18 13:00:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 76 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-08-18 13:00:51,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081129057] [2020-08-18 13:00:51,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 13:00:51,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 13:00:51,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928961121] [2020-08-18 13:00:51,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 13:00:51,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:51,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 13:00:51,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-18 13:00:51,838 INFO L87 Difference]: Start difference. First operand 592 states and 781 transitions. Second operand 7 states. [2020-08-18 13:00:53,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:53,921 INFO L93 Difference]: Finished difference Result 1623 states and 2310 transitions. [2020-08-18 13:00:53,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 13:00:53,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 196 [2020-08-18 13:00:53,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:53,923 INFO L225 Difference]: With dead ends: 1623 [2020-08-18 13:00:53,923 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 13:00:53,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-18 13:00:53,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 13:00:53,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 13:00:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 13:00:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 13:00:53,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-08-18 13:00:53,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:53,929 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 13:00:53,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 13:00:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 13:00:53,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 13:00:53,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 13:00:53,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 13:00:54,249 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 13:00:54,250 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-18 13:00:54,250 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 13:00:54,250 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 13:00:54,255 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,256 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,256 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,256 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,256 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,256 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,256 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 13:00:54,257 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 13:00:54,257 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 13:00:54,257 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 13:00:54,257 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 13:00:54,257 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 13:00:54,258 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 13:00:54,258 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 13:00:54,258 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 13:00:54,258 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 13:00:54,259 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 13:00:54,259 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,259 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,259 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,259 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,260 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,260 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 13:00:54,260 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 13:00:54,260 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 13:00:54,260 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 13:00:54,260 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 13:00:54,260 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 13:00:54,261 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 13:00:54,261 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 13:00:54,261 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 13:00:54,261 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 13:00:54,261 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 13:00:54,261 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 13:00:54,262 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 13:00:54,262 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2020-08-18 13:00:54,263 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 13:00:54,263 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,263 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,263 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,263 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,263 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,263 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 13:00:54,264 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 13:00:54,264 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 13:00:54,265 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 13:00:54,265 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 13:00:54,265 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 13:00:54,265 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 13:00:54,265 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 13:00:54,265 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 13:00:54,266 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 13:00:54,266 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,266 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,266 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,268 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,268 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,268 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 13:00:54,268 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 13:00:54,268 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 13:00:54,269 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 13:00:54,269 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 13:00:54,269 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 13:00:54,269 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 13:00:54,269 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 13:00:54,269 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 13:00:54,270 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 13:00:54,270 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 13:00:54,270 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 13:00:54,270 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 13:00:54,270 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,270 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,270 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,271 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,271 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,271 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 13:00:54,271 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 13:00:54,272 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 13:00:54,272 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 13:00:54,273 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 13:00:54,273 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 13:00:54,273 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 13:00:54,273 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 13:00:54,274 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 13:00:54,275 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,275 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,275 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,275 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,275 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,275 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,275 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,276 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 13:00:54,281 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 13:00:54,282 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 13:00:54,282 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 13:00:54,282 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 13:00:54,282 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 13:00:54,282 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 13:00:54,282 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 13:00:54,283 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 13:00:54,283 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 13:00:54,283 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 13:00:54,284 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 13:00:54,292 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 13:00:54,292 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,292 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,292 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,293 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,293 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 13:00:54,293 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,293 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,293 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 13:00:54,297 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 13:00:54,297 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 13:00:54,298 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 13:00:54,298 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 13:00:54,298 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 13:00:54,298 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 13:00:54,298 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 13:00:54,298 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 13:00:54,299 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 13:00:54,299 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 13:00:54,299 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 13:00:54,299 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 13:00:54,299 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,299 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,299 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,300 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,301 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,302 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,302 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 13:00:54,302 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 13:00:54,302 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 13:00:54,302 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 13:00:54,302 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 13:00:54,303 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 13:00:54,303 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 13:00:54,303 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 13:00:54,303 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 13:00:54,303 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 13:00:54,303 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 13:00:54,304 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (= 7 |old(~a19~0)|) .cse0) (or .cse0 (= 3 |old(~a10~0)|)))) [2020-08-18 13:00:54,304 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 13:00:54,304 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 13:00:54,304 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 13:00:54,304 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 13:00:54,305 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 13:00:54,306 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 13:00:54,306 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 13:00:54,306 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 13:00:54,306 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 13:00:54,306 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 13:00:54,306 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 13:00:54,306 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,307 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 13:00:54,308 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 13:00:54,309 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 13:00:54,309 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 13:00:54,309 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 13:00:54,309 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 13:00:54,309 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 13:00:54,309 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,309 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,310 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,310 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,310 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,310 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:54,310 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 13:00:54,310 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 13:00:54,311 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 13:00:54,311 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 13:00:54,311 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 13:00:54,311 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 13:00:54,311 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 13:00:54,312 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 13:00:54,312 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 13:00:54,312 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 13:00:54,312 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 13:00:54,312 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 13:00:54,313 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 13:00:54,313 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-18 13:00:54,313 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 13:00:54,313 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 13:00:54,314 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 13:00:54,314 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 13:00:54,314 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= 7 ~a19~0)) (not (= ~a12~0 0))) [2020-08-18 13:00:54,314 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 13:00:54,314 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 13:00:54,315 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 3)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= 7 ~a19~0)) (not (= ~a12~0 0))) [2020-08-18 13:00:54,315 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 13:00:54,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 01:00:54 BoogieIcfgContainer [2020-08-18 13:00:54,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 13:00:54,357 INFO L168 Benchmark]: Toolchain (without parser) took 10088.12 ms. Allocated memory was 141.6 MB in the beginning and 316.7 MB in the end (delta: 175.1 MB). Free memory was 102.8 MB in the beginning and 121.2 MB in the end (delta: -18.4 MB). Peak memory consumption was 156.7 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:54,358 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-18 13:00:54,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.89 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:54,362 INFO L168 Benchmark]: Boogie Preprocessor took 125.38 ms. Allocated memory is still 205.0 MB. Free memory was 170.6 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:54,365 INFO L168 Benchmark]: RCFGBuilder took 1512.01 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 176.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:54,374 INFO L168 Benchmark]: TraceAbstraction took 7644.03 ms. Allocated memory was 235.9 MB in the beginning and 316.7 MB in the end (delta: 80.7 MB). Free memory was 174.5 MB in the beginning and 121.2 MB in the end (delta: 53.3 MB). Peak memory consumption was 134.0 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:54,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.89 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 170.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.38 ms. Allocated memory is still 205.0 MB. Free memory was 170.6 MB in the beginning and 165.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1512.01 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 176.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7644.03 ms. Allocated memory was 235.9 MB in the beginning and 316.7 MB in the end (delta: 80.7 MB). Free memory was 174.5 MB in the beginning and 121.2 MB in the end (delta: 53.3 MB). Peak memory consumption was 134.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 582]: Loop Invariant Derived loop invariant: ((((((!(23 <= \old(a1)) || !(\old(a10) <= 0)) || !(a10 == 3)) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(7 == a19)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.1s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 70 SDtfs, 2401 SDslu, 80 SDs, 0 SdLazy, 2548 SolverSat, 627 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=2, 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, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 21 PreInvPairs, 37 NumberOfFragments, 184 HoareAnnotationTreeSize, 21 FomulaSimplifications, 372 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 389 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 148342 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 188/196 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...