/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=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:13:01,739 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 12:13:01,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 12:13:01,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 12:13:01,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 12:13:01,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 12:13:01,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 12:13:01,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 12:13:01,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 12:13:01,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 12:13:01,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 12:13:01,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 12:13:01,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 12:13:01,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 12:13:01,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 12:13:01,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:13:01,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:13:01,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:13:01,804 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 12:13:01,827 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:13:01,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:13:01,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:13:01,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:13:01,829 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:13:01,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:13:01,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:13:01,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:13:01,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:13:01,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:13:01,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:13:01,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:13:01,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:13:01,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:13:01,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:13:01,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:13:01,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:13:01,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:13:01,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:13:01,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:13:01,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:13:01,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:13:01,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:13:01,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:13:01,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:13:01,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:13:01,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:13:01,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:13:01,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:13:01,834 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=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 12:13:02,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:13:02,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:13:02,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:13:02,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:13:02,195 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:13:02,196 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-08-18 12:13:02,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22ee2fb48/b165bca6c35f497e991746964bb51387/FLAGfc3792759 [2020-08-18 12:13:02,765 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:13:02,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label51.c [2020-08-18 12:13:02,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22ee2fb48/b165bca6c35f497e991746964bb51387/FLAGfc3792759 [2020-08-18 12:13:03,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/22ee2fb48/b165bca6c35f497e991746964bb51387 [2020-08-18 12:13:03,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:13:03,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:13:03,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:13:03,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:13:03,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:13:03,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:03,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03, skipping insertion in model container [2020-08-18 12:13:03,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:03,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:13:03,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:13:03,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:13:03,806 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:13:03,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:13:03,957 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:13:03,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03 WrapperNode [2020-08-18 12:13:03,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:13:03,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:13:03,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:13:03,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:13:03,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:03,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:03,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:03,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:04,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:04,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:04,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (1/1) ... [2020-08-18 12:13:04,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:13:04,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:13:04,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:13:04,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:13:04,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (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 12:13:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:13:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:13:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 12:13:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:13:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 12:13:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:13:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 12:13:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 12:13:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:13:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:13:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:13:05,478 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:13:05,479 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 12:13:05,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:13:05 BoogieIcfgContainer [2020-08-18 12:13:05,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:13:05,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:13:05,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:13:05,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:13:05,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:13:03" (1/3) ... [2020-08-18 12:13:05,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1649d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:13:05, skipping insertion in model container [2020-08-18 12:13:05,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:13:03" (2/3) ... [2020-08-18 12:13:05,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1649d3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:13:05, skipping insertion in model container [2020-08-18 12:13:05,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:13:05" (3/3) ... [2020-08-18 12:13:05,495 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label51.c [2020-08-18 12:13:05,506 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:13:05,515 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:13:05,529 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:13:05,557 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:13:05,557 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:13:05,558 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:13:05,558 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:13:05,558 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:13:05,558 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:13:05,558 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:13:05,559 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:13:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 12:13:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 12:13:05,595 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:13:05,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:13:05,597 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:13:05,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:13:05,602 INFO L82 PathProgramCache]: Analyzing trace with hash -689906609, now seen corresponding path program 1 times [2020-08-18 12:13:05,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:13:05,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191267367] [2020-08-18 12:13:05,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:13:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:05,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:13:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:05,993 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 12:13:05,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191267367] [2020-08-18 12:13:05,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:13:05,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 12:13:05,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19312841] [2020-08-18 12:13:06,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:13:06,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:13:06,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:13:06,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:13:06,021 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 12:13:08,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:13:08,319 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-18 12:13:08,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 12:13:08,321 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-08-18 12:13:08,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:13:08,339 INFO L225 Difference]: With dead ends: 730 [2020-08-18 12:13:08,339 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 12:13:08,350 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 12:13:08,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 12:13:08,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-18 12:13:08,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-18 12:13:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-18 12:13:08,453 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 56 [2020-08-18 12:13:08,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:13:08,454 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-18 12:13:08,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:13:08,455 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-18 12:13:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-18 12:13:08,461 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:13:08,462 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, 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] [2020-08-18 12:13:08,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:13:08,462 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:13:08,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:13:08,463 INFO L82 PathProgramCache]: Analyzing trace with hash 652113497, now seen corresponding path program 1 times [2020-08-18 12:13:08,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:13:08,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489804522] [2020-08-18 12:13:08,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:13:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:08,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:13:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:08,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:13:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:13:08,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489804522] [2020-08-18 12:13:08,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:13:08,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 12:13:08,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858718214] [2020-08-18 12:13:08,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:13:08,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:13:08,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:13:08,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:13:08,788 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-18 12:13:10,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:13:10,517 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-18 12:13:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:13:10,518 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2020-08-18 12:13:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:13:10,524 INFO L225 Difference]: With dead ends: 1041 [2020-08-18 12:13:10,524 INFO L226 Difference]: Without dead ends: 606 [2020-08-18 12:13:10,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-18 12:13:10,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-18 12:13:10,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-18 12:13:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-18 12:13:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-18 12:13:10,596 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 129 [2020-08-18 12:13:10,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:13:10,597 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-18 12:13:10,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:13:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-18 12:13:10,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-08-18 12:13:10,611 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:13:10,611 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, 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] [2020-08-18 12:13:10,611 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 12:13:10,612 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:13:10,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:13:10,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1330273235, now seen corresponding path program 1 times [2020-08-18 12:13:10,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:13:10,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [536080394] [2020-08-18 12:13:10,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:13:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:10,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:13:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:10,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:13:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:13:10,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [536080394] [2020-08-18 12:13:10,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:13:10,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:13:10,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503078226] [2020-08-18 12:13:10,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:13:10,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:13:10,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:13:10,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:13:10,971 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-18 12:13:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:13:12,869 INFO L93 Difference]: Finished difference Result 1821 states and 2679 transitions. [2020-08-18 12:13:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 12:13:12,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2020-08-18 12:13:12,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:13:12,878 INFO L225 Difference]: With dead ends: 1821 [2020-08-18 12:13:12,879 INFO L226 Difference]: Without dead ends: 1208 [2020-08-18 12:13:12,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-18 12:13:12,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-08-18 12:13:12,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 888. [2020-08-18 12:13:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-08-18 12:13:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1272 transitions. [2020-08-18 12:13:12,939 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1272 transitions. Word has length 135 [2020-08-18 12:13:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:13:12,940 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1272 transitions. [2020-08-18 12:13:12,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:13:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1272 transitions. [2020-08-18 12:13:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-18 12:13:12,945 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:13:12,946 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:13:12,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 12:13:12,946 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:13:12,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:13:12,947 INFO L82 PathProgramCache]: Analyzing trace with hash -546700786, now seen corresponding path program 1 times [2020-08-18 12:13:12,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:13:12,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014994998] [2020-08-18 12:13:12,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:13:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:13,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:13:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:13:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:13:13,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014994998] [2020-08-18 12:13:13,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:13:13,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 12:13:13,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145018100] [2020-08-18 12:13:13,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:13:13,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:13:13,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:13:13,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:13:13,248 INFO L87 Difference]: Start difference. First operand 888 states and 1272 transitions. Second operand 8 states. [2020-08-18 12:13:15,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:13:15,356 INFO L93 Difference]: Finished difference Result 2829 states and 4173 transitions. [2020-08-18 12:13:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 12:13:15,357 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-08-18 12:13:15,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:13:15,369 INFO L225 Difference]: With dead ends: 2829 [2020-08-18 12:13:15,369 INFO L226 Difference]: Without dead ends: 1947 [2020-08-18 12:13:15,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-18 12:13:15,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2020-08-18 12:13:15,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1637. [2020-08-18 12:13:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2020-08-18 12:13:15,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2196 transitions. [2020-08-18 12:13:15,443 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2196 transitions. Word has length 192 [2020-08-18 12:13:15,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:13:15,443 INFO L479 AbstractCegarLoop]: Abstraction has 1637 states and 2196 transitions. [2020-08-18 12:13:15,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:13:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2196 transitions. [2020-08-18 12:13:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-08-18 12:13:15,452 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:13:15,452 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, 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, 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] [2020-08-18 12:13:15,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 12:13:15,453 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:13:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:13:15,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1997304092, now seen corresponding path program 1 times [2020-08-18 12:13:15,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:13:15,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412895969] [2020-08-18 12:13:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:13:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:15,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:13:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:15,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:13:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:15,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 12:13:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-18 12:13:15,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412895969] [2020-08-18 12:13:15,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:13:15,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 12:13:15,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242863976] [2020-08-18 12:13:15,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:13:15,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:13:15,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:13:15,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:13:15,818 INFO L87 Difference]: Start difference. First operand 1637 states and 2196 transitions. Second operand 5 states. [2020-08-18 12:13:17,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:13:17,022 INFO L93 Difference]: Finished difference Result 3858 states and 5235 transitions. [2020-08-18 12:13:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:13:17,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 307 [2020-08-18 12:13:17,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:13:17,038 INFO L225 Difference]: With dead ends: 3858 [2020-08-18 12:13:17,038 INFO L226 Difference]: Without dead ends: 2227 [2020-08-18 12:13:17,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:13:17,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2020-08-18 12:13:17,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 1933. [2020-08-18 12:13:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1933 states. [2020-08-18 12:13:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2552 transitions. [2020-08-18 12:13:17,108 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2552 transitions. Word has length 307 [2020-08-18 12:13:17,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:13:17,109 INFO L479 AbstractCegarLoop]: Abstraction has 1933 states and 2552 transitions. [2020-08-18 12:13:17,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:13:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2552 transitions. [2020-08-18 12:13:17,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-08-18 12:13:17,119 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:13:17,119 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, 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, 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] [2020-08-18 12:13:17,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 12:13:17,120 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:13:17,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:13:17,120 INFO L82 PathProgramCache]: Analyzing trace with hash -685542405, now seen corresponding path program 1 times [2020-08-18 12:13:17,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:13:17,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290002232] [2020-08-18 12:13:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:13:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:17,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:13:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:17,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:13:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:17,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 12:13:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:13:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-18 12:13:17,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290002232] [2020-08-18 12:13:17,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:13:17,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 12:13:17,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269185208] [2020-08-18 12:13:17,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:13:17,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:13:17,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:13:17,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:13:17,553 INFO L87 Difference]: Start difference. First operand 1933 states and 2552 transitions. Second operand 5 states. [2020-08-18 12:13:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:13:19,092 INFO L93 Difference]: Finished difference Result 4154 states and 5557 transitions. [2020-08-18 12:13:19,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:13:19,101 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 312 [2020-08-18 12:13:19,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:13:19,102 INFO L225 Difference]: With dead ends: 4154 [2020-08-18 12:13:19,103 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 12:13:19,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:13:19,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 12:13:19,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 12:13:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 12:13:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 12:13:19,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 312 [2020-08-18 12:13:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:13:19,113 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 12:13:19,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:13:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 12:13:19,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 12:13:19,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 12:13:19,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 12:13:19,897 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 35 [2020-08-18 12:13:20,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:13:20,062 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 12:13:20,062 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:13:20,062 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 12:13:20,062 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 12:13:20,063 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,064 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 12:13:20,065 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 12:13:20,066 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 12:13:20,066 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 12:13:20,066 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 12:13:20,066 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 12:13:20,066 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-08-18 12:13:20,066 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 12:13:20,066 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,067 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,067 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,067 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,067 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,067 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 12:13:20,068 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 12:13:20,068 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 12:13:20,068 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 12:13:20,068 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 12:13:20,068 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 12:13:20,068 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 12:13:20,069 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 12:13:20,069 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 12:13:20,069 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 12:13:20,069 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,069 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,070 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,071 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 12:13:20,072 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,073 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 12:13:20,074 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 12:13:20,075 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 12:13:20,075 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 12:13:20,075 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,075 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,075 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,075 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,075 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,076 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,079 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,079 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 12:13:20,079 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 12:13:20,079 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 12:13:20,079 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 12:13:20,080 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 12:13:20,080 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 12:13:20,080 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 12:13:20,080 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 12:13:20,080 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 12:13:20,080 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 12:13:20,081 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 12:13:20,082 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 12:13:20,083 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 12:13:20,083 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,083 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,083 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,083 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,083 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 12:13:20,084 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 12:13:20,085 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 12:13:20,086 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 12:13:20,086 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 12:13:20,086 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 12:13:20,086 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 12:13:20,086 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 12:13:20,086 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 12:13:20,086 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,087 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,087 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,087 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,087 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,087 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,087 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 12:13:20,087 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 12:13:20,088 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 12:13:20,089 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 12:13:20,090 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 .cse0 (not (= 4 |old(~a10~0)|))) (or .cse0 (= 8 |old(~a19~0)|)) (or .cse0 (not (= 2 |old(~a10~0)|))) (or (not (<= 23 |old(~a1~0)|)) .cse0 (not (= 14 ~a4~0)) (not (= ~a12~0 0))))) [2020-08-18 12:13:20,090 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 12:13:20,090 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 12:13:20,091 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 12:13:20,091 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,091 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,091 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,091 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,091 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 12:13:20,092 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,093 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,094 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,094 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,094 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,094 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,094 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 12:13:20,094 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 12:13:20,094 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 12:13:20,095 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 12:13:20,096 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 12:13:20,097 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 12:13:20,098 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 12:13:20,098 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 12:13:20,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:13:20,098 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-08-18 12:13:20,098 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 12:13:20,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:13:20,098 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 12:13:20,099 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 12:13:20,099 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= ~a19~0 8)) (not (<= |old(~a10~0)| 0)) (<= 23 ~a1~0) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-18 12:13:20,099 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 12:13:20,099 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 12:13:20,099 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (= ~a19~0 8)) (not (<= |old(~a10~0)| 0)) (<= 23 ~a1~0) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 2) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-18 12:13:20,099 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 12:13:20,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 12:13:20 BoogieIcfgContainer [2020-08-18 12:13:20,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 12:13:20,130 INFO L168 Benchmark]: Toolchain (without parser) took 17000.16 ms. Allocated memory was 137.9 MB in the beginning and 426.8 MB in the end (delta: 288.9 MB). Free memory was 99.2 MB in the beginning and 170.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 217.6 MB. Max. memory is 7.1 GB. [2020-08-18 12:13:20,132 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 12:13:20,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.57 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 99.0 MB in the beginning and 166.4 MB in the end (delta: -67.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-18 12:13:20,140 INFO L168 Benchmark]: Boogie Preprocessor took 98.63 ms. Allocated memory is still 200.8 MB. Free memory was 166.4 MB in the beginning and 161.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-08-18 12:13:20,141 INFO L168 Benchmark]: RCFGBuilder took 1428.23 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 161.9 MB in the beginning and 176.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-08-18 12:13:20,142 INFO L168 Benchmark]: TraceAbstraction took 14640.29 ms. Allocated memory was 231.2 MB in the beginning and 426.8 MB in the end (delta: 195.6 MB). Free memory was 176.5 MB in the beginning and 170.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 201.6 MB. Max. memory is 7.1 GB. [2020-08-18 12:13:20,155 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.57 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 99.0 MB in the beginning and 166.4 MB in the end (delta: -67.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.63 ms. Allocated memory is still 200.8 MB. Free memory was 166.4 MB in the beginning and 161.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1428.23 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 161.9 MB in the beginning and 176.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14640.29 ms. Allocated memory was 231.2 MB in the beginning and 426.8 MB in the end (delta: 195.6 MB). Free memory was 176.5 MB in the beginning and 170.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 201.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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)) || !(a19 == 8)) || !(\old(a10) <= 0)) || 23 <= a1) || !(9 <= \old(a19))) || a10 == 2) || !(14 == a4)) || !(\old(a19) <= 9)) || a10 == 4) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 150 SDtfs, 2871 SDslu, 216 SDs, 0 SdLazy, 5630 SolverSat, 966 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1933occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 944 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 62 PreInvPairs, 98 NumberOfFragments, 233 HoareAnnotationTreeSize, 62 FomulaSimplifications, 22320 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1340 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1131 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1125 ConstructedInterpolants, 0 QuantifiedInterpolants, 534490 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 552/573 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...