/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 01:13:30,462 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-19 01:13:30,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 01:13:30,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 01:13:30,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 01:13:30,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 01:13:30,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 01:13:30,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 01:13:30,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 01:13:30,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 01:13:30,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 01:13:30,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 01:13:30,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 01:13:30,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 01:13:30,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-19 01:13:30,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 01:13:30,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 01:13:30,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 01:13:30,561 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 [2020-08-19 01:13:30,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 01:13:30,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 01:13:30,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 01:13:30,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 01:13:30,589 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 01:13:30,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 01:13:30,589 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 01:13:30,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 01:13:30,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 01:13:30,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 01:13:30,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 01:13:30,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 01:13:30,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 01:13:30,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 01:13:30,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 01:13:30,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 01:13:30,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 01:13:30,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 01:13:30,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 01:13:30,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 01:13:30,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 01:13:30,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 01:13:30,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 01:13:30,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 01:13:30,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 01:13:30,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 01:13:30,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 01:13:30,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 01:13:30,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 01:13:30,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6; [2020-08-19 01:13:30,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 01:13:30,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 01:13:30,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 01:13:30,965 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 01:13:30,965 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 01:13:30,966 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-19 01:13:31,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0881dab53/06e2c74f1fbf4b1e921b64c87a8df66e/FLAG0630f04dc [2020-08-19 01:13:31,578 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 01:13:31,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-19 01:13:31,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0881dab53/06e2c74f1fbf4b1e921b64c87a8df66e/FLAG0630f04dc [2020-08-19 01:13:31,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0881dab53/06e2c74f1fbf4b1e921b64c87a8df66e [2020-08-19 01:13:31,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 01:13:31,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 01:13:31,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 01:13:31,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 01:13:31,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 01:13:31,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:13:31" (1/1) ... [2020-08-19 01:13:31,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156d188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:31, skipping insertion in model container [2020-08-19 01:13:31,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:13:31" (1/1) ... [2020-08-19 01:13:31,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 01:13:31,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 01:13:32,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:13:32,334 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 01:13:32,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:13:32,598 INFO L208 MainTranslator]: Completed translation [2020-08-19 01:13:32,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32 WrapperNode [2020-08-19 01:13:32,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 01:13:32,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 01:13:32,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 01:13:32,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 01:13:32,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (1/1) ... [2020-08-19 01:13:32,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (1/1) ... [2020-08-19 01:13:32,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (1/1) ... [2020-08-19 01:13:32,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (1/1) ... [2020-08-19 01:13:32,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (1/1) ... [2020-08-19 01:13:32,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (1/1) ... [2020-08-19 01:13:32,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (1/1) ... [2020-08-19 01:13:32,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 01:13:32,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 01:13:32,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 01:13:32,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 01:13:32,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (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 [2020-08-19 01:13:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 01:13:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 01:13:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-19 01:13:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 01:13:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-19 01:13:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 01:13:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 01:13:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-19 01:13:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 01:13:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 01:13:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 01:13:34,056 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 01:13:34,056 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-19 01:13:34,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:13:34 BoogieIcfgContainer [2020-08-19 01:13:34,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 01:13:34,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 01:13:34,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 01:13:34,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 01:13:34,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 01:13:31" (1/3) ... [2020-08-19 01:13:34,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bab22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:13:34, skipping insertion in model container [2020-08-19 01:13:34,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:13:32" (2/3) ... [2020-08-19 01:13:34,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bab22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:13:34, skipping insertion in model container [2020-08-19 01:13:34,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:13:34" (3/3) ... [2020-08-19 01:13:34,078 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-08-19 01:13:34,089 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 01:13:34,102 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 01:13:34,116 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 01:13:34,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 01:13:34,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 01:13:34,154 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 01:13:34,155 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 01:13:34,155 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 01:13:34,155 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 01:13:34,155 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 01:13:34,155 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 01:13:34,177 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-19 01:13:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-19 01:13:34,185 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:34,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:34,186 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:34,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:34,192 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-08-19 01:13:34,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:34,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289989858] [2020-08-19 01:13:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:34,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:13:34,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289989858] [2020-08-19 01:13:34,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:13:34,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 01:13:34,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816853660] [2020-08-19 01:13:34,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 01:13:34,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:34,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 01:13:34,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 01:13:34,601 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-19 01:13:36,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:36,221 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-19 01:13:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 01:13:36,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-08-19 01:13:36,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:36,240 INFO L225 Difference]: With dead ends: 596 [2020-08-19 01:13:36,241 INFO L226 Difference]: Without dead ends: 302 [2020-08-19 01:13:36,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 01:13:36,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-19 01:13:36,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-19 01:13:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-19 01:13:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-19 01:13:36,351 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 44 [2020-08-19 01:13:36,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:36,352 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-19 01:13:36,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 01:13:36,353 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-19 01:13:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-08-19 01:13:36,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:36,375 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:36,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 01:13:36,375 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:36,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:36,376 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-08-19 01:13:36,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:36,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916589252] [2020-08-19 01:13:36,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:36,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:36,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:13:36,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916589252] [2020-08-19 01:13:36,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:13:36,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 01:13:36,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240389737] [2020-08-19 01:13:36,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:13:36,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:36,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:13:36,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:13:36,663 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-19 01:13:38,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:38,860 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-19 01:13:38,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 01:13:38,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-08-19 01:13:38,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:38,869 INFO L225 Difference]: With dead ends: 1198 [2020-08-19 01:13:38,870 INFO L226 Difference]: Without dead ends: 906 [2020-08-19 01:13:38,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-19 01:13:38,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-19 01:13:38,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-19 01:13:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-19 01:13:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-19 01:13:38,933 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 118 [2020-08-19 01:13:38,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:38,934 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-19 01:13:38,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:13:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-19 01:13:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-19 01:13:38,938 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:38,939 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:38,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 01:13:38,939 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-08-19 01:13:38,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:38,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718399357] [2020-08-19 01:13:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:39,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:13:39,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718399357] [2020-08-19 01:13:39,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:13:39,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 01:13:39,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839835109] [2020-08-19 01:13:39,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:13:39,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:39,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:13:39,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:13:39,231 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states. [2020-08-19 01:13:41,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:41,030 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions. [2020-08-19 01:13:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 01:13:41,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-19 01:13:41,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:41,049 INFO L225 Difference]: With dead ends: 2397 [2020-08-19 01:13:41,049 INFO L226 Difference]: Without dead ends: 1482 [2020-08-19 01:13:41,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-19 01:13:41,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-08-19 01:13:41,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2020-08-19 01:13:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-19 01:13:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions. [2020-08-19 01:13:41,161 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 123 [2020-08-19 01:13:41,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:41,162 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions. [2020-08-19 01:13:41,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:13:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions. [2020-08-19 01:13:41,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-19 01:13:41,177 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:41,177 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:41,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 01:13:41,178 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:41,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:41,178 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-08-19 01:13:41,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:41,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [768026826] [2020-08-19 01:13:41,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:41,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:13:41,458 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [768026826] [2020-08-19 01:13:41,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:13:41,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-19 01:13:41,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200243073] [2020-08-19 01:13:41,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:13:41,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:41,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:13:41,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:13:41,460 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states. [2020-08-19 01:13:42,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:42,996 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions. [2020-08-19 01:13:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 01:13:42,997 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-19 01:13:42,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:43,013 INFO L225 Difference]: With dead ends: 3592 [2020-08-19 01:13:43,013 INFO L226 Difference]: Without dead ends: 2263 [2020-08-19 01:13:43,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-19 01:13:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-08-19 01:13:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931. [2020-08-19 01:13:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-08-19 01:13:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions. [2020-08-19 01:13:43,111 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 139 [2020-08-19 01:13:43,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:43,112 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions. [2020-08-19 01:13:43,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:13:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions. [2020-08-19 01:13:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-19 01:13:43,114 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:43,115 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:43,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 01:13:43,115 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:43,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:43,115 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times [2020-08-19 01:13:43,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:43,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697715336] [2020-08-19 01:13:43,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:43,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:13:43,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697715336] [2020-08-19 01:13:43,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:13:43,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 01:13:43,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123995918] [2020-08-19 01:13:43,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 01:13:43,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:43,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 01:13:43,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 01:13:43,410 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states. [2020-08-19 01:13:44,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:44,793 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions. [2020-08-19 01:13:44,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 01:13:44,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-19 01:13:44,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:44,809 INFO L225 Difference]: With dead ends: 4023 [2020-08-19 01:13:44,809 INFO L226 Difference]: Without dead ends: 2098 [2020-08-19 01:13:44,814 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:13:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-08-19 01:13:44,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084. [2020-08-19 01:13:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-08-19 01:13:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions. [2020-08-19 01:13:44,880 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 140 [2020-08-19 01:13:44,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:44,880 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions. [2020-08-19 01:13:44,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 01:13:44,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions. [2020-08-19 01:13:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-19 01:13:44,883 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:44,883 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:44,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 01:13:44,885 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:44,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:44,885 INFO L82 PathProgramCache]: Analyzing trace with hash 716002293, now seen corresponding path program 1 times [2020-08-19 01:13:44,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:44,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583645825] [2020-08-19 01:13:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:44,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:45,126 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 01:13:45,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583645825] [2020-08-19 01:13:45,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:13:45,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 01:13:45,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602226328] [2020-08-19 01:13:45,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:13:45,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:45,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:13:45,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:13:45,129 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 8 states. [2020-08-19 01:13:47,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:47,824 INFO L93 Difference]: Finished difference Result 4629 states and 6453 transitions. [2020-08-19 01:13:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 01:13:47,831 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-19 01:13:47,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:47,846 INFO L225 Difference]: With dead ends: 4629 [2020-08-19 01:13:47,847 INFO L226 Difference]: Without dead ends: 2694 [2020-08-19 01:13:47,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-19 01:13:47,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2020-08-19 01:13:47,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2676. [2020-08-19 01:13:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2020-08-19 01:13:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3566 transitions. [2020-08-19 01:13:47,963 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3566 transitions. Word has length 159 [2020-08-19 01:13:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:47,964 INFO L479 AbstractCegarLoop]: Abstraction has 2676 states and 3566 transitions. [2020-08-19 01:13:47,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:13:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3566 transitions. [2020-08-19 01:13:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-19 01:13:47,967 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:47,967 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:47,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 01:13:47,969 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:47,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:47,969 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-08-19 01:13:47,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:47,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856511517] [2020-08-19 01:13:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:48,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:48,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-19 01:13:48,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856511517] [2020-08-19 01:13:48,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:13:48,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 01:13:48,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470046181] [2020-08-19 01:13:48,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 01:13:48,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:48,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 01:13:48,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-19 01:13:48,228 INFO L87 Difference]: Start difference. First operand 2676 states and 3566 transitions. Second operand 7 states. [2020-08-19 01:13:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:50,514 INFO L93 Difference]: Finished difference Result 3989 states and 5421 transitions. [2020-08-19 01:13:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 01:13:50,515 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-19 01:13:50,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:50,536 INFO L225 Difference]: With dead ends: 3989 [2020-08-19 01:13:50,537 INFO L226 Difference]: Without dead ends: 3987 [2020-08-19 01:13:50,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:13:50,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2020-08-19 01:13:50,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 2972. [2020-08-19 01:13:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2020-08-19 01:13:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 4020 transitions. [2020-08-19 01:13:50,743 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 4020 transitions. Word has length 181 [2020-08-19 01:13:50,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:50,743 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 4020 transitions. [2020-08-19 01:13:50,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 01:13:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 4020 transitions. [2020-08-19 01:13:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-19 01:13:50,748 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:50,748 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-19 01:13:50,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 01:13:50,749 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:50,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:50,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-08-19 01:13:50,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:50,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620181352] [2020-08-19 01:13:50,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:50,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:50,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:50,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 01:13:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 01:13:51,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620181352] [2020-08-19 01:13:51,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:13:51,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 01:13:51,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075325924] [2020-08-19 01:13:51,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 01:13:51,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:51,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 01:13:51,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:13:51,124 INFO L87 Difference]: Start difference. First operand 2972 states and 4020 transitions. Second operand 10 states. [2020-08-19 01:13:55,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:55,477 INFO L93 Difference]: Finished difference Result 7547 states and 10346 transitions. [2020-08-19 01:13:55,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-19 01:13:55,478 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-08-19 01:13:55,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:55,499 INFO L225 Difference]: With dead ends: 7547 [2020-08-19 01:13:55,499 INFO L226 Difference]: Without dead ends: 4724 [2020-08-19 01:13:55,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-19 01:13:55,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states. [2020-08-19 01:13:55,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3862. [2020-08-19 01:13:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2020-08-19 01:13:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4856 transitions. [2020-08-19 01:13:55,613 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4856 transitions. Word has length 193 [2020-08-19 01:13:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:55,614 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 4856 transitions. [2020-08-19 01:13:55,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 01:13:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4856 transitions. [2020-08-19 01:13:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-08-19 01:13:55,622 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:55,622 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, 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, 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] [2020-08-19 01:13:55,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 01:13:55,623 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:55,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:55,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-08-19 01:13:55,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:55,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31989140] [2020-08-19 01:13:55,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:55,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:55,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:55,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-19 01:13:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-19 01:13:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-19 01:13:56,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31989140] [2020-08-19 01:13:56,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:13:56,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 01:13:56,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36357604] [2020-08-19 01:13:56,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 01:13:56,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:56,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 01:13:56,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:13:56,327 INFO L87 Difference]: Start difference. First operand 3862 states and 4856 transitions. Second operand 10 states. [2020-08-19 01:13:59,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:13:59,100 INFO L93 Difference]: Finished difference Result 7899 states and 9999 transitions. [2020-08-19 01:13:59,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 01:13:59,103 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2020-08-19 01:13:59,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:13:59,125 INFO L225 Difference]: With dead ends: 7899 [2020-08-19 01:13:59,125 INFO L226 Difference]: Without dead ends: 4186 [2020-08-19 01:13:59,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-08-19 01:13:59,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2020-08-19 01:13:59,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4166. [2020-08-19 01:13:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4166 states. [2020-08-19 01:13:59,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5218 transitions. [2020-08-19 01:13:59,332 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5218 transitions. Word has length 279 [2020-08-19 01:13:59,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:13:59,332 INFO L479 AbstractCegarLoop]: Abstraction has 4166 states and 5218 transitions. [2020-08-19 01:13:59,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 01:13:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5218 transitions. [2020-08-19 01:13:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-19 01:13:59,350 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:13:59,350 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:13:59,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 01:13:59,351 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:13:59,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:13:59,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2082826957, now seen corresponding path program 1 times [2020-08-19 01:13:59,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:13:59,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749815533] [2020-08-19 01:13:59,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:13:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:59,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:13:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:59,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:13:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-19 01:13:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:59,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-19 01:13:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:13:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 265 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-19 01:13:59,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749815533] [2020-08-19 01:13:59,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:13:59,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 01:13:59,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890559367] [2020-08-19 01:13:59,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 01:13:59,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:13:59,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 01:13:59,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 01:13:59,741 INFO L87 Difference]: Start difference. First operand 4166 states and 5218 transitions. Second operand 9 states. [2020-08-19 01:14:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:14:03,062 INFO L93 Difference]: Finished difference Result 10189 states and 12761 transitions. [2020-08-19 01:14:03,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 01:14:03,062 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-19 01:14:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:14:03,090 INFO L225 Difference]: With dead ends: 10189 [2020-08-19 01:14:03,090 INFO L226 Difference]: Without dead ends: 4275 [2020-08-19 01:14:03,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-08-19 01:14:03,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2020-08-19 01:14:03,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3413. [2020-08-19 01:14:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states. [2020-08-19 01:14:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 3847 transitions. [2020-08-19 01:14:03,180 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 3847 transitions. Word has length 341 [2020-08-19 01:14:03,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:14:03,181 INFO L479 AbstractCegarLoop]: Abstraction has 3413 states and 3847 transitions. [2020-08-19 01:14:03,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 01:14:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3847 transitions. [2020-08-19 01:14:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-08-19 01:14:03,194 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:14:03,195 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2020-08-19 01:14:03,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 01:14:03,196 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:14:03,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:14:03,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1873477998, now seen corresponding path program 1 times [2020-08-19 01:14:03,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:14:03,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222136777] [2020-08-19 01:14:03,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:14:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:14:03,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:14:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:14:03,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-19 01:14:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:14:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-19 01:14:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:14:03,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-19 01:14:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:14:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-08-19 01:14:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:14:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 153 proven. 386 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-08-19 01:14:03,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222136777] [2020-08-19 01:14:03,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:14:03,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 01:14:03,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899122654] [2020-08-19 01:14:03,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 01:14:03,987 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:14:03,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 01:14:03,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-19 01:14:03,987 INFO L87 Difference]: Start difference. First operand 3413 states and 3847 transitions. Second operand 12 states. [2020-08-19 01:14:07,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:14:07,846 INFO L93 Difference]: Finished difference Result 7976 states and 9106 transitions. [2020-08-19 01:14:07,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 01:14:07,847 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 401 [2020-08-19 01:14:07,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:14:07,849 INFO L225 Difference]: With dead ends: 7976 [2020-08-19 01:14:07,849 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 01:14:07,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2020-08-19 01:14:07,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 01:14:07,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 01:14:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 01:14:07,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 01:14:07,863 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2020-08-19 01:14:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:14:07,863 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 01:14:07,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 01:14:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 01:14:07,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 01:14:07,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 01:14:07,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 01:14:08,447 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-19 01:14:08,654 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-19 01:14:10,358 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 278 DAG size of output: 69 [2020-08-19 01:14:11,191 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-19 01:14:11,974 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-19 01:14:11,979 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:14:11,979 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-19 01:14:11,980 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:14:11,980 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-19 01:14:11,980 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,980 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,980 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,981 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,981 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,981 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,981 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-19 01:14:11,981 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-19 01:14:11,981 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-19 01:14:11,981 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-19 01:14:11,982 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-19 01:14:11,983 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-19 01:14:11,984 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-19 01:14:11,985 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,986 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-19 01:14:11,987 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,988 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,989 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-19 01:14:11,990 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-19 01:14:11,991 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-19 01:14:11,992 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-19 01:14:11,993 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,994 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-19 01:14:11,995 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-19 01:14:11,996 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-19 01:14:11,996 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-19 01:14:11,996 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-19 01:14:11,996 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-19 01:14:11,996 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-19 01:14:11,996 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-19 01:14:11,996 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-19 01:14:11,997 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse8 (= 9 |old(~a19~0)|))) (let ((.cse7 (not (<= 2 |old(~a10~0)|))) (.cse10 (= 8 |old(~a19~0)|)) (.cse1 (and (not (<= |old(~a1~0)| 38)) (not (< 218 |old(~a1~0)|)))) (.cse12 (not (<= 10 |old(~a19~0)|))) (.cse3 (= 3 |old(~a10~0)|)) (.cse11 (= 0 |old(~a10~0)|)) (.cse0 (not (<= 23 |old(~a1~0)|))) (.cse13 (not (<= |old(~a10~0)| 0))) (.cse9 (not (<= |old(~a19~0)| 9))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse14 (not .cse8)) (.cse4 (not (= 14 ~a4~0))) (.cse5 (= 2 |old(~a10~0)|)) (.cse6 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 .cse7 .cse5) (or .cse8 .cse2 .cse3 .cse7 .cse9) (or .cse2 (not (<= |old(~a1~0)| 23)) .cse9 .cse10) (or .cse1 .cse2 .cse9 .cse4 .cse10 .cse6) (or .cse8 .cse2 .cse9 .cse10 .cse11) (or .cse1 .cse12 .cse2 (not .cse11)) (or .cse12 .cse2 .cse3 .cse5 .cse11) (or .cse13 .cse14 .cse2) (or .cse0 .cse13 .cse2 .cse9 .cse4 .cse6) (or .cse2 .cse14 .cse4 .cse5 .cse6)))) [2020-08-19 01:14:11,997 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-19 01:14:11,997 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-19 01:14:11,997 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-19 01:14:11,997 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,997 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,997 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-19 01:14:11,998 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-19 01:14:11,999 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,000 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,000 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,000 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,000 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,000 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,000 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-19 01:14:12,000 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-19 01:14:12,001 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-19 01:14:12,002 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-19 01:14:12,003 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-19 01:14:12,004 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-19 01:14:12,004 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-19 01:14:12,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 01:14:12,004 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-19 01:14:12,004 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 01:14:12,004 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 01:14:12,005 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-19 01:14:12,005 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-19 01:14:12,005 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-19 01:14:12,005 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-19 01:14:12,005 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-19 01:14:12,006 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 10 ~a19~0)) (.cse5 (not (= ~a10~0 2))) (.cse6 (= ~a19~0 8)) (.cse0 (or (< 218 ~a1~0) (<= ~a1~0 38))) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse8 (<= 23 ~a1~0)) (.cse9 (<= ~a1~0 23)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse4 (not (= ~a10~0 3))) (.cse7 (<= ~a19~0 9)) (.cse2 (= 0 |old(~a10~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and (not (= ~a10~0 0)) .cse4 .cse1 .cse5 .cse2) (and (not .cse6) .cse5 .cse7 .cse2) (and .cse6 (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)) (and .cse8 .cse4 .cse0 .cse7 .cse2) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse8 .cse9 .cse10 .cse3) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (and (<= ~a10~0 0) .cse8 .cse7 .cse2) (and .cse9 .cse10 .cse2) (and .cse4 (not (= ~a19~0 9)) .cse7 (<= 2 ~a10~0) .cse2))) [2020-08-19 01:14:12,006 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-19 01:14:12,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 01:14:12 BoogieIcfgContainer [2020-08-19 01:14:12,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 01:14:12,033 INFO L168 Benchmark]: Toolchain (without parser) took 40216.93 ms. Allocated memory was 140.0 MB in the beginning and 732.4 MB in the end (delta: 592.4 MB). Free memory was 102.5 MB in the beginning and 149.6 MB in the end (delta: -47.2 MB). Peak memory consumption was 546.2 MB. Max. memory is 7.1 GB. [2020-08-19 01:14:12,034 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 01:14:12,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.61 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 171.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2020-08-19 01:14:12,035 INFO L168 Benchmark]: Boogie Preprocessor took 129.81 ms. Allocated memory is still 205.0 MB. Free memory was 171.4 MB in the beginning and 167.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-19 01:14:12,036 INFO L168 Benchmark]: RCFGBuilder took 1335.99 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 181.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-08-19 01:14:12,037 INFO L168 Benchmark]: TraceAbstraction took 37962.53 ms. Allocated memory was 238.0 MB in the beginning and 732.4 MB in the end (delta: 494.4 MB). Free memory was 180.3 MB in the beginning and 149.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 526.0 MB. Max. memory is 7.1 GB. [2020-08-19 01:14:12,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 779.61 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 102.2 MB in the beginning and 171.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.81 ms. Allocated memory is still 205.0 MB. Free memory was 171.4 MB in the beginning and 167.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.99 ms. Allocated memory was 205.0 MB in the beginning and 238.0 MB in the end (delta: 33.0 MB). Free memory was 166.4 MB in the beginning and 181.8 MB in the end (delta: -15.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37962.53 ms. Allocated memory was 238.0 MB in the beginning and 732.4 MB in the end (delta: 494.4 MB). Free memory was 180.3 MB in the beginning and 149.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 526.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((((((((218 < a1 || a1 <= 38) && 10 <= a19) && 0 == \old(a10)) && a10 == \old(a10)) || ((((!(a10 == 0) && !(a10 == 3)) && 10 <= a19) && !(a10 == 2)) && 0 == \old(a10))) || (((!(a19 == 8) && !(a10 == 2)) && a19 <= 9) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0)) || ((((23 <= a1 && !(a10 == 3)) && (218 < a1 || a1 <= 38)) && a19 <= 9) && 0 == \old(a10))) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || (((a10 <= 0 && 23 <= a1) && a19 <= 9) && 0 == \old(a10))) || ((a1 <= 23 && a19 == \old(a19)) && 0 == \old(a10))) || ((((!(a10 == 3) && !(a19 == 9)) && a19 <= 9) && 2 <= a10) && 0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 33.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 28.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 340 SDtfs, 10125 SDslu, 538 SDs, 0 SdLazy, 17351 SolverSat, 2506 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4166occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 3143 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 192 PreInvPairs, 290 NumberOfFragments, 705 HoareAnnotationTreeSize, 192 FomulaSimplifications, 32632 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10656 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2118 NumberOfCodeBlocks, 2118 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2107 ConstructedInterpolants, 0 QuantifiedInterpolants, 1876518 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1014/1669 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...