/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:36:41,104 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 16:36:41,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:36:41,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:36:41,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:36:41,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:36:41,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:36:41,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:36:41,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:36:41,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:36:41,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:36:41,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:36:41,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:36:41,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:36:41,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:36:41,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:36:41,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:36:41,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:36:41,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:36:41,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:36:41,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:36:41,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:36:41,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 16:36:41,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:36:41,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:36:41,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:36:41,192 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 [2020-08-21 16:36:41,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:36:41,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:36:41,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:36:41,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:36:41,216 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:36:41,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:36:41,216 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:36:41,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:36:41,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:36:41,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:36:41,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:36:41,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:36:41,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:36:41,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:36:41,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:36:41,218 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:36:41,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:36:41,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:36:41,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:36:41,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:36:41,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:36:41,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:36:41,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:36:41,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:36:41,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:36:41,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:36:41,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:36:41,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:36:41,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:36:41,221 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:36:41,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:36:41,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:36:41,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:36:41,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:36:41,590 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:36:41,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-08-21 16:36:41,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff76bfabc/91bce8031b9b4eee9332db287561ed87/FLAG593c329d9 [2020-08-21 16:36:42,271 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:36:42,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-08-21 16:36:42,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff76bfabc/91bce8031b9b4eee9332db287561ed87/FLAG593c329d9 [2020-08-21 16:36:42,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ff76bfabc/91bce8031b9b4eee9332db287561ed87 [2020-08-21 16:36:42,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:36:42,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:36:42,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:36:42,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:36:42,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:36:42,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:36:42" (1/1) ... [2020-08-21 16:36:42,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500f3ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:42, skipping insertion in model container [2020-08-21 16:36:42,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:36:42" (1/1) ... [2020-08-21 16:36:42,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:36:42,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:36:43,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:36:43,358 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:36:43,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:36:43,579 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:36:43,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43 WrapperNode [2020-08-21 16:36:43,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:36:43,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:36:43,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:36:43,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:36:43,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (1/1) ... [2020-08-21 16:36:43,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (1/1) ... [2020-08-21 16:36:43,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (1/1) ... [2020-08-21 16:36:43,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (1/1) ... [2020-08-21 16:36:43,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (1/1) ... [2020-08-21 16:36:43,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (1/1) ... [2020-08-21 16:36:43,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (1/1) ... [2020-08-21 16:36:43,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:36:43,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:36:43,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:36:43,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:36:43,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (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 [2020-08-21 16:36:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:36:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:36:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 16:36:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:36:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 16:36:43,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:36:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:36:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 16:36:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:36:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:36:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:36:45,668 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:36:45,669 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 16:36:45,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:36:45 BoogieIcfgContainer [2020-08-21 16:36:45,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:36:45,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:36:45,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:36:45,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:36:45,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:36:42" (1/3) ... [2020-08-21 16:36:45,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfaf369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:36:45, skipping insertion in model container [2020-08-21 16:36:45,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:43" (2/3) ... [2020-08-21 16:36:45,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfaf369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:36:45, skipping insertion in model container [2020-08-21 16:36:45,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:36:45" (3/3) ... [2020-08-21 16:36:45,687 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-08-21 16:36:45,700 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:36:45,710 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:36:45,727 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:36:45,759 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:36:45,760 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:36:45,760 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:36:45,760 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:36:45,760 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:36:45,761 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:36:45,761 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:36:45,761 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:36:45,787 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-08-21 16:36:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 16:36:45,796 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:45,797 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] [2020-08-21 16:36:45,797 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:45,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:45,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1626993173, now seen corresponding path program 1 times [2020-08-21 16:36:45,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:45,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430843039] [2020-08-21 16:36:45,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:46,255 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-08-21 16:36:46,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:46,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430843039] [2020-08-21 16:36:46,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:36:46,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 16:36:46,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536280096] [2020-08-21 16:36:46,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:36:46,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:46,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:36:46,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:36:46,351 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 5 states. [2020-08-21 16:36:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:49,638 INFO L93 Difference]: Finished difference Result 998 states and 1793 transitions. [2020-08-21 16:36:49,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 16:36:49,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2020-08-21 16:36:49,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:49,661 INFO L225 Difference]: With dead ends: 998 [2020-08-21 16:36:49,661 INFO L226 Difference]: Without dead ends: 638 [2020-08-21 16:36:49,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:36:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2020-08-21 16:36:49,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 621. [2020-08-21 16:36:49,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-08-21 16:36:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 950 transitions. [2020-08-21 16:36:49,782 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 950 transitions. Word has length 40 [2020-08-21 16:36:49,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:49,783 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 950 transitions. [2020-08-21 16:36:49,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:36:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 950 transitions. [2020-08-21 16:36:49,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 16:36:49,800 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:49,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:36:49,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:36:49,801 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:49,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:49,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1781272370, now seen corresponding path program 1 times [2020-08-21 16:36:49,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:49,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332880975] [2020-08-21 16:36:49,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:49,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:50,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332880975] [2020-08-21 16:36:50,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:36:50,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 16:36:50,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889853567] [2020-08-21 16:36:50,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:36:50,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:50,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:36:50,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:36:50,162 INFO L87 Difference]: Start difference. First operand 621 states and 950 transitions. Second operand 7 states. [2020-08-21 16:36:52,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:52,846 INFO L93 Difference]: Finished difference Result 1865 states and 2955 transitions. [2020-08-21 16:36:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 16:36:52,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-08-21 16:36:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:52,856 INFO L225 Difference]: With dead ends: 1865 [2020-08-21 16:36:52,856 INFO L226 Difference]: Without dead ends: 1250 [2020-08-21 16:36:52,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:36:52,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-08-21 16:36:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1217. [2020-08-21 16:36:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2020-08-21 16:36:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1704 transitions. [2020-08-21 16:36:52,937 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1704 transitions. Word has length 110 [2020-08-21 16:36:52,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:52,938 INFO L479 AbstractCegarLoop]: Abstraction has 1217 states and 1704 transitions. [2020-08-21 16:36:52,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:36:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1704 transitions. [2020-08-21 16:36:52,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-08-21 16:36:52,944 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:52,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:36:52,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:36:52,945 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:52,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:52,945 INFO L82 PathProgramCache]: Analyzing trace with hash 559014170, now seen corresponding path program 1 times [2020-08-21 16:36:52,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:52,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460149732] [2020-08-21 16:36:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:53,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:53,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460149732] [2020-08-21 16:36:53,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:36:53,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 16:36:53,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596456997] [2020-08-21 16:36:53,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:36:53,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:53,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:36:53,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:36:53,249 INFO L87 Difference]: Start difference. First operand 1217 states and 1704 transitions. Second operand 7 states. [2020-08-21 16:36:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:56,194 INFO L93 Difference]: Finished difference Result 3652 states and 5269 transitions. [2020-08-21 16:36:56,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 16:36:56,197 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 120 [2020-08-21 16:36:56,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:56,213 INFO L225 Difference]: With dead ends: 3652 [2020-08-21 16:36:56,213 INFO L226 Difference]: Without dead ends: 2441 [2020-08-21 16:36:56,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:36:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2441 states. [2020-08-21 16:36:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2441 to 2216. [2020-08-21 16:36:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-08-21 16:36:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2966 transitions. [2020-08-21 16:36:56,329 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2966 transitions. Word has length 120 [2020-08-21 16:36:56,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:56,332 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2966 transitions. [2020-08-21 16:36:56,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:36:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2966 transitions. [2020-08-21 16:36:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-08-21 16:36:56,343 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:56,343 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, 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] [2020-08-21 16:36:56,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:36:56,346 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:56,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:56,347 INFO L82 PathProgramCache]: Analyzing trace with hash 384966816, now seen corresponding path program 1 times [2020-08-21 16:36:56,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:56,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [241711087] [2020-08-21 16:36:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:56,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:56,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-21 16:36:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:56,798 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 66 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 16:36:56,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [241711087] [2020-08-21 16:36:56,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:36:56,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:36:56,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740650562] [2020-08-21 16:36:56,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:36:56,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:56,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:36:56,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:36:56,804 INFO L87 Difference]: Start difference. First operand 2216 states and 2966 transitions. Second operand 7 states. [2020-08-21 16:36:59,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:59,269 INFO L93 Difference]: Finished difference Result 4487 states and 6072 transitions. [2020-08-21 16:36:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 16:36:59,270 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-08-21 16:36:59,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:59,289 INFO L225 Difference]: With dead ends: 4487 [2020-08-21 16:36:59,289 INFO L226 Difference]: Without dead ends: 2277 [2020-08-21 16:36:59,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:36:59,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2020-08-21 16:36:59,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2218. [2020-08-21 16:36:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2218 states. [2020-08-21 16:36:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 2218 states and 2944 transitions. [2020-08-21 16:36:59,372 INFO L78 Accepts]: Start accepts. Automaton has 2218 states and 2944 transitions. Word has length 183 [2020-08-21 16:36:59,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:59,373 INFO L479 AbstractCegarLoop]: Abstraction has 2218 states and 2944 transitions. [2020-08-21 16:36:59,373 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:36:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2944 transitions. [2020-08-21 16:36:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-08-21 16:36:59,377 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:59,378 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, 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] [2020-08-21 16:36:59,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:36:59,378 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:59,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:59,378 INFO L82 PathProgramCache]: Analyzing trace with hash 240062387, now seen corresponding path program 1 times [2020-08-21 16:36:59,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:59,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022482203] [2020-08-21 16:36:59,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:59,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:59,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-21 16:36:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-21 16:36:59,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022482203] [2020-08-21 16:36:59,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:36:59,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:36:59,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579411217] [2020-08-21 16:36:59,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:36:59,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:59,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:36:59,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:36:59,725 INFO L87 Difference]: Start difference. First operand 2218 states and 2944 transitions. Second operand 5 states. [2020-08-21 16:37:01,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:01,954 INFO L93 Difference]: Finished difference Result 5592 states and 7708 transitions. [2020-08-21 16:37:01,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:37:01,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 236 [2020-08-21 16:37:01,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:01,974 INFO L225 Difference]: With dead ends: 5592 [2020-08-21 16:37:01,974 INFO L226 Difference]: Without dead ends: 3380 [2020-08-21 16:37:01,981 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 [2020-08-21 16:37:01,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2020-08-21 16:37:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3374. [2020-08-21 16:37:02,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3374 states. [2020-08-21 16:37:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 3374 states and 4588 transitions. [2020-08-21 16:37:02,089 INFO L78 Accepts]: Start accepts. Automaton has 3374 states and 4588 transitions. Word has length 236 [2020-08-21 16:37:02,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:02,090 INFO L479 AbstractCegarLoop]: Abstraction has 3374 states and 4588 transitions. [2020-08-21 16:37:02,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:37:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3374 states and 4588 transitions. [2020-08-21 16:37:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-08-21 16:37:02,098 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:02,099 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, 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, 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] [2020-08-21 16:37:02,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 16:37:02,099 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:02,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:02,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1219984608, now seen corresponding path program 1 times [2020-08-21 16:37:02,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:02,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758401801] [2020-08-21 16:37:02,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-21 16:37:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-08-21 16:37:02,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758401801] [2020-08-21 16:37:02,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:02,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:37:02,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619860291] [2020-08-21 16:37:02,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:37:02,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:02,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:37:02,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:37:02,449 INFO L87 Difference]: Start difference. First operand 3374 states and 4588 transitions. Second operand 5 states. [2020-08-21 16:37:04,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:04,945 INFO L93 Difference]: Finished difference Result 8305 states and 11780 transitions. [2020-08-21 16:37:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:37:04,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 267 [2020-08-21 16:37:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:04,978 INFO L225 Difference]: With dead ends: 8305 [2020-08-21 16:37:04,978 INFO L226 Difference]: Without dead ends: 4937 [2020-08-21 16:37:04,988 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 [2020-08-21 16:37:04,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2020-08-21 16:37:05,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4920. [2020-08-21 16:37:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4920 states. [2020-08-21 16:37:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4920 states to 4920 states and 6781 transitions. [2020-08-21 16:37:05,137 INFO L78 Accepts]: Start accepts. Automaton has 4920 states and 6781 transitions. Word has length 267 [2020-08-21 16:37:05,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:05,137 INFO L479 AbstractCegarLoop]: Abstraction has 4920 states and 6781 transitions. [2020-08-21 16:37:05,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:37:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 4920 states and 6781 transitions. [2020-08-21 16:37:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-08-21 16:37:05,148 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:05,148 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:05,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 16:37:05,149 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:05,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:05,150 INFO L82 PathProgramCache]: Analyzing trace with hash 630561712, now seen corresponding path program 1 times [2020-08-21 16:37:05,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:05,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924121387] [2020-08-21 16:37:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:05,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:05,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:05,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-21 16:37:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:37:05,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924121387] [2020-08-21 16:37:05,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:05,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:37:05,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066981384] [2020-08-21 16:37:05,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:37:05,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:05,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:37:05,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:37:05,605 INFO L87 Difference]: Start difference. First operand 4920 states and 6781 transitions. Second operand 7 states. [2020-08-21 16:37:08,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:08,466 INFO L93 Difference]: Finished difference Result 11238 states and 15944 transitions. [2020-08-21 16:37:08,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 16:37:08,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 278 [2020-08-21 16:37:08,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:08,496 INFO L225 Difference]: With dead ends: 11238 [2020-08-21 16:37:08,496 INFO L226 Difference]: Without dead ends: 6324 [2020-08-21 16:37:08,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:37:08,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6324 states. [2020-08-21 16:37:08,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6324 to 6299. [2020-08-21 16:37:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6299 states. [2020-08-21 16:37:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6299 states to 6299 states and 8983 transitions. [2020-08-21 16:37:08,709 INFO L78 Accepts]: Start accepts. Automaton has 6299 states and 8983 transitions. Word has length 278 [2020-08-21 16:37:08,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:08,709 INFO L479 AbstractCegarLoop]: Abstraction has 6299 states and 8983 transitions. [2020-08-21 16:37:08,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:37:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6299 states and 8983 transitions. [2020-08-21 16:37:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-08-21 16:37:08,732 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:08,732 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:08,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 16:37:08,733 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:08,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:08,733 INFO L82 PathProgramCache]: Analyzing trace with hash -844079456, now seen corresponding path program 1 times [2020-08-21 16:37:08,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:08,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616728700] [2020-08-21 16:37:08,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:08,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:08,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-21 16:37:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:09,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-08-21 16:37:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-08-21 16:37:09,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616728700] [2020-08-21 16:37:09,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:09,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:37:09,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137622317] [2020-08-21 16:37:09,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:37:09,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:09,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:37:09,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:37:09,232 INFO L87 Difference]: Start difference. First operand 6299 states and 8983 transitions. Second operand 7 states. [2020-08-21 16:37:11,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:11,847 INFO L93 Difference]: Finished difference Result 13852 states and 21148 transitions. [2020-08-21 16:37:11,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:37:11,847 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 336 [2020-08-21 16:37:11,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:11,908 INFO L225 Difference]: With dead ends: 13852 [2020-08-21 16:37:11,908 INFO L226 Difference]: Without dead ends: 7559 [2020-08-21 16:37:11,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:37:11,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7559 states. [2020-08-21 16:37:12,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7559 to 7254. [2020-08-21 16:37:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7254 states. [2020-08-21 16:37:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7254 states to 7254 states and 9795 transitions. [2020-08-21 16:37:12,190 INFO L78 Accepts]: Start accepts. Automaton has 7254 states and 9795 transitions. Word has length 336 [2020-08-21 16:37:12,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:12,191 INFO L479 AbstractCegarLoop]: Abstraction has 7254 states and 9795 transitions. [2020-08-21 16:37:12,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:37:12,191 INFO L276 IsEmpty]: Start isEmpty. Operand 7254 states and 9795 transitions. [2020-08-21 16:37:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-21 16:37:12,216 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:12,216 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:12,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 16:37:12,217 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:12,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:12,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1109482027, now seen corresponding path program 1 times [2020-08-21 16:37:12,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:12,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450257073] [2020-08-21 16:37:12,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:12,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:12,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-21 16:37:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:12,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 16:37:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 107 proven. 199 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-08-21 16:37:12,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450257073] [2020-08-21 16:37:12,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:12,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 16:37:12,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030159704] [2020-08-21 16:37:12,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 16:37:12,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:12,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 16:37:12,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 16:37:12,869 INFO L87 Difference]: Start difference. First operand 7254 states and 9795 transitions. Second operand 9 states. [2020-08-21 16:37:18,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:18,323 INFO L93 Difference]: Finished difference Result 21860 states and 30381 transitions. [2020-08-21 16:37:18,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 16:37:18,324 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 380 [2020-08-21 16:37:18,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:18,371 INFO L225 Difference]: With dead ends: 21860 [2020-08-21 16:37:18,372 INFO L226 Difference]: Without dead ends: 14612 [2020-08-21 16:37:18,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2020-08-21 16:37:18,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14612 states. [2020-08-21 16:37:18,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14612 to 14366. [2020-08-21 16:37:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14366 states. [2020-08-21 16:37:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14366 states to 14366 states and 19092 transitions. [2020-08-21 16:37:18,709 INFO L78 Accepts]: Start accepts. Automaton has 14366 states and 19092 transitions. Word has length 380 [2020-08-21 16:37:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:18,710 INFO L479 AbstractCegarLoop]: Abstraction has 14366 states and 19092 transitions. [2020-08-21 16:37:18,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 16:37:18,710 INFO L276 IsEmpty]: Start isEmpty. Operand 14366 states and 19092 transitions. [2020-08-21 16:37:18,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-08-21 16:37:18,746 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:18,746 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:18,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 16:37:18,747 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:18,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:18,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1364604881, now seen corresponding path program 1 times [2020-08-21 16:37:18,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:18,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978459840] [2020-08-21 16:37:18,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:18,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:19,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-21 16:37:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:19,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-08-21 16:37:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 107 proven. 206 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-08-21 16:37:19,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978459840] [2020-08-21 16:37:19,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:19,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 16:37:19,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789493217] [2020-08-21 16:37:19,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 16:37:19,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:19,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 16:37:19,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-08-21 16:37:19,571 INFO L87 Difference]: Start difference. First operand 14366 states and 19092 transitions. Second operand 9 states. [2020-08-21 16:37:25,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:25,191 INFO L93 Difference]: Finished difference Result 36047 states and 48766 transitions. [2020-08-21 16:37:25,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 16:37:25,192 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 406 [2020-08-21 16:37:25,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:25,257 INFO L225 Difference]: With dead ends: 36047 [2020-08-21 16:37:25,258 INFO L226 Difference]: Without dead ends: 22065 [2020-08-21 16:37:25,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-08-21 16:37:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22065 states. [2020-08-21 16:37:25,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22065 to 21286. [2020-08-21 16:37:25,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21286 states. [2020-08-21 16:37:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21286 states to 21286 states and 27936 transitions. [2020-08-21 16:37:25,742 INFO L78 Accepts]: Start accepts. Automaton has 21286 states and 27936 transitions. Word has length 406 [2020-08-21 16:37:25,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:25,743 INFO L479 AbstractCegarLoop]: Abstraction has 21286 states and 27936 transitions. [2020-08-21 16:37:25,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 16:37:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21286 states and 27936 transitions. [2020-08-21 16:37:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2020-08-21 16:37:25,785 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:25,786 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:25,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 16:37:25,786 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:25,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:25,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1239620131, now seen corresponding path program 1 times [2020-08-21 16:37:25,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:25,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19324970] [2020-08-21 16:37:25,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:26,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:26,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:26,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-21 16:37:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-08-21 16:37:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 105 proven. 3 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-08-21 16:37:27,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19324970] [2020-08-21 16:37:27,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:27,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:37:27,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716491727] [2020-08-21 16:37:27,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:37:27,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:27,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:37:27,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:37:27,036 INFO L87 Difference]: Start difference. First operand 21286 states and 27936 transitions. Second operand 5 states. [2020-08-21 16:37:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:29,149 INFO L93 Difference]: Finished difference Result 40840 states and 53823 transitions. [2020-08-21 16:37:29,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:37:29,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 416 [2020-08-21 16:37:29,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:29,152 INFO L225 Difference]: With dead ends: 40840 [2020-08-21 16:37:29,152 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 16:37:29,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:37:29,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 16:37:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 16:37:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 16:37:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 16:37:29,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 416 [2020-08-21 16:37:29,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:29,201 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 16:37:29,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:37:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 16:37:29,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 16:37:29,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 16:37:29,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 16:37:30,106 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 158 [2020-08-21 16:37:30,423 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 158 [2020-08-21 16:37:31,783 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 330 DAG size of output: 39 [2020-08-21 16:37:32,233 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2020-08-21 16:37:32,624 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2020-08-21 16:37:32,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:37:32,628 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)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a3~0 |old(~a3~0)|)) [2020-08-21 16:37:32,629 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:37:32,629 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-08-21 16:37:32,629 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-08-21 16:37:32,629 INFO L268 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-08-21 16:37:32,629 INFO L268 CegarLoopResult]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,629 INFO L268 CegarLoopResult]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,629 INFO L268 CegarLoopResult]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,630 INFO L268 CegarLoopResult]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,630 INFO L268 CegarLoopResult]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,630 INFO L268 CegarLoopResult]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,630 INFO L268 CegarLoopResult]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,630 INFO L268 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-08-21 16:37:32,630 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-08-21 16:37:32,630 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-08-21 16:37:32,631 INFO L268 CegarLoopResult]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,631 INFO L268 CegarLoopResult]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,631 INFO L268 CegarLoopResult]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,631 INFO L268 CegarLoopResult]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,631 INFO L268 CegarLoopResult]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,632 INFO L268 CegarLoopResult]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,632 INFO L268 CegarLoopResult]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,632 INFO L268 CegarLoopResult]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,632 INFO L268 CegarLoopResult]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,632 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-08-21 16:37:32,632 INFO L268 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-08-21 16:37:32,632 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,633 INFO L268 CegarLoopResult]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L970(lines 970 980) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L904(lines 904 914) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,634 INFO L268 CegarLoopResult]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,635 INFO L268 CegarLoopResult]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L515(lines 515 525) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,636 INFO L268 CegarLoopResult]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L648(lines 648 657) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,637 INFO L268 CegarLoopResult]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L916(lines 916 926) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2020-08-21 16:37:32,638 INFO L268 CegarLoopResult]: For program point L718(lines 718 730) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L587(lines 587 597) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,639 INFO L268 CegarLoopResult]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,640 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse3 (= |old(~a4~0)| 1))) (let ((.cse2 (not (<= |old(~a23~0)| 312))) (.cse0 (= 13 |old(~a25~0)|)) (.cse4 (not .cse3)) (.cse1 (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 |old(~a4~0)|)))) (and (or (not (<= |old(~a29~0)| 274)) .cse0 .cse1) (or .cse2 .cse3 .cse1) (or .cse2 .cse0 .cse1) (or .cse4 (not (<= 130 |old(~a29~0)|)) (not (<= |old(~a29~0)| 245)) .cse1) (or .cse4 .cse1 (not (<= 97 |old(~a23~0)|)))))) [2020-08-21 16:37:32,640 INFO L268 CegarLoopResult]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,640 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-08-21 16:37:32,640 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-08-21 16:37:32,640 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-08-21 16:37:32,640 INFO L268 CegarLoopResult]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,640 INFO L268 CegarLoopResult]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,641 INFO L268 CegarLoopResult]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,642 INFO L268 CegarLoopResult]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-08-21 16:37:32,643 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,644 INFO L268 CegarLoopResult]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L866(lines 866 875) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 108) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-08-21 16:37:32,645 INFO L268 CegarLoopResult]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L604(lines 604 614) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,646 INFO L268 CegarLoopResult]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L805(lines 805 815) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,647 INFO L268 CegarLoopResult]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L940(lines 940 952) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L478(lines 478 486) no Hoare annotation was computed. [2020-08-21 16:37:32,648 INFO L268 CegarLoopResult]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-21 16:37:32,649 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,650 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,651 INFO L268 CegarLoopResult]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L488(lines 488 499) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,652 INFO L268 CegarLoopResult]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,653 INFO L268 CegarLoopResult]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-08-21 16:37:32,654 INFO L268 CegarLoopResult]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L758(lines 758 768) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,655 INFO L268 CegarLoopResult]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L695(lines 695 705) no Hoare annotation was computed. [2020-08-21 16:37:32,656 INFO L268 CegarLoopResult]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:37:32,657 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 312 ~a23~0) (<= ~a23~0 312) (<= 130 ~a29~0) (<= ~a29~0 130) (= ~a4~0 1)) [2020-08-21 16:37:32,657 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 16:37:32,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:37:32,658 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= 130 |old(~a29~0)|)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (<= 130 ~a29~0) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a23~0)| 312)) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|))) [2020-08-21 16:37:32,658 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2020-08-21 16:37:32,658 INFO L264 CegarLoopResult]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 13))) (.cse0 (= ~a4~0 1))) (or (and (<= 97 ~a23~0) .cse0) (not (= |old(~a4~0)| 1)) (not (<= 130 |old(~a29~0)|)) (not (<= |old(~a25~0)| 10)) (and (<= 130 ~a29~0) (<= ~a29~0 245) .cse0) (and .cse0 .cse1) (and (<= ~a29~0 274) .cse1) (not (<= |old(~a23~0)| 312)) (and (<= ~a23~0 312) (not .cse0)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-08-21 16:37:32,658 INFO L268 CegarLoopResult]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2020-08-21 16:37:32,658 INFO L268 CegarLoopResult]: For program point L1039(line 1039) no Hoare annotation was computed. [2020-08-21 16:37:32,658 INFO L264 CegarLoopResult]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 13))) (.cse0 (= ~a4~0 1))) (or (and (<= 97 ~a23~0) .cse0) (not (= |old(~a4~0)| 1)) (not (<= 130 |old(~a29~0)|)) (not (<= |old(~a25~0)| 10)) (and (<= 130 ~a29~0) (<= ~a29~0 245) .cse0) (and .cse0 .cse1) (and (<= ~a29~0 274) .cse1) (not (<= |old(~a23~0)| 312)) (and (<= ~a23~0 312) (not .cse0)) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-08-21 16:37:32,658 INFO L268 CegarLoopResult]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2020-08-21 16:37:32,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:37:32 BoogieIcfgContainer [2020-08-21 16:37:32,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 16:37:32,681 INFO L168 Benchmark]: Toolchain (without parser) took 50117.15 ms. Allocated memory was 137.9 MB in the beginning and 1.0 GB in the end (delta: 867.2 MB). Free memory was 97.7 MB in the beginning and 400.8 MB in the end (delta: -303.1 MB). Peak memory consumption was 682.9 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:32,682 INFO L168 Benchmark]: CDTParser took 0.22 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: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 16:37:32,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1016.17 ms. Allocated memory was 137.9 MB in the beginning and 207.1 MB in the end (delta: 69.2 MB). Free memory was 97.5 MB in the beginning and 161.1 MB in the end (delta: -63.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:32,683 INFO L168 Benchmark]: Boogie Preprocessor took 161.11 ms. Allocated memory is still 207.1 MB. Free memory was 161.1 MB in the beginning and 153.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:32,684 INFO L168 Benchmark]: RCFGBuilder took 1933.30 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 153.5 MB in the beginning and 99.8 MB in the end (delta: 53.7 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:32,685 INFO L168 Benchmark]: TraceAbstraction took 47001.47 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 768.6 MB). Free memory was 98.3 MB in the beginning and 400.8 MB in the end (delta: -302.6 MB). Peak memory consumption was 584.9 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:32,689 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 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1016.17 ms. Allocated memory was 137.9 MB in the beginning and 207.1 MB in the end (delta: 69.2 MB). Free memory was 97.5 MB in the beginning and 161.1 MB in the end (delta: -63.6 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 161.11 ms. Allocated memory is still 207.1 MB. Free memory was 161.1 MB in the beginning and 153.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1933.30 ms. Allocated memory was 207.1 MB in the beginning and 236.5 MB in the end (delta: 29.4 MB). Free memory was 153.5 MB in the beginning and 99.8 MB in the end (delta: 53.7 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47001.47 ms. Allocated memory was 236.5 MB in the beginning and 1.0 GB in the end (delta: 768.6 MB). Free memory was 98.3 MB in the beginning and 400.8 MB in the end (delta: -302.6 MB). Peak memory consumption was 584.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 108]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((((97 <= a23 && a4 == 1) || !(\old(a4) == 1)) || !(130 <= \old(a29))) || !(\old(a25) <= 10)) || ((130 <= a29 && a29 <= 245) && a4 == 1)) || (a4 == 1 && !(a25 == 13))) || (a29 <= 274 && !(a25 == 13))) || !(\old(a23) <= 312)) || (a23 <= 312 && !(a4 == 1))) || !(312 <= \old(a23))) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 35.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 548 SDtfs, 8099 SDslu, 968 SDs, 0 SdLazy, 17145 SolverSat, 3358 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21286occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 1712 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 432 PreInvPairs, 652 NumberOfFragments, 342 HoareAnnotationTreeSize, 432 FomulaSimplifications, 59973 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11177 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2772 NumberOfCodeBlocks, 2772 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2761 ConstructedInterpolants, 0 QuantifiedInterpolants, 1783814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 1848/2329 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...