/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:38:16,143 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-21 20:38:16,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:38:16,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:38:16,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:38:16,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:38:16,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:38:16,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:38:16,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:38:16,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:38:16,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:38:16,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:38:16,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:38:16,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:38:16,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:38:16,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:38:16,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:38:16,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:38:16,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:38:16,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:38:16,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:38:16,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:38:16,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 20:38:16,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:38:16,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:38:16,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:38:16,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 20:38:16,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:38:16,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:38:16,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:38:16,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:38:16,298 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:38:16,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:38:16,298 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:38:16,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:38:16,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:38:16,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:38:16,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:38:16,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:38:16,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:38:16,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:38:16,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:38:16,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:38:16,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:38:16,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:38:16,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:38:16,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:38:16,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:38:16,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:38:16,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:38:16,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:38:16,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:38:16,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:38:16,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:38:16,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:38:16,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:38:16,304 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=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:38:16,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:38:16,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:38:16,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:38:16,610 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:38:16,610 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:38:16,611 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-21 20:38:16,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bed2f7bfc/5ea028fe16a24946a74446f122c6ceb3/FLAGc7e66da6f [2020-08-21 20:38:17,149 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:38:17,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-08-21 20:38:17,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bed2f7bfc/5ea028fe16a24946a74446f122c6ceb3/FLAGc7e66da6f [2020-08-21 20:38:17,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bed2f7bfc/5ea028fe16a24946a74446f122c6ceb3 [2020-08-21 20:38:17,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:38:17,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:38:17,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:38:17,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:38:17,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:38:17,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:38:17" (1/1) ... [2020-08-21 20:38:17,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a277cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:17, skipping insertion in model container [2020-08-21 20:38:17,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:38:17" (1/1) ... [2020-08-21 20:38:17,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:38:17,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:38:18,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:38:18,077 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:38:18,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:38:18,195 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:38:18,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18 WrapperNode [2020-08-21 20:38:18,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:38:18,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:38:18,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:38:18,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:38:18,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... [2020-08-21 20:38:18,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... [2020-08-21 20:38:18,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... [2020-08-21 20:38:18,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... [2020-08-21 20:38:18,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... [2020-08-21 20:38:18,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... [2020-08-21 20:38:18,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... [2020-08-21 20:38:18,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:38:18,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:38:18,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:38:18,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:38:18,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:38:18,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:38:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:38:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 20:38:18,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:38:18,428 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 20:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 20:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:38:18,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:38:19,662 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:38:19,662 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 20:38:19,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:38:19 BoogieIcfgContainer [2020-08-21 20:38:19,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:38:19,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:38:19,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:38:19,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:38:19,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:38:17" (1/3) ... [2020-08-21 20:38:19,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7da144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:38:19, skipping insertion in model container [2020-08-21 20:38:19,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:38:18" (2/3) ... [2020-08-21 20:38:19,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7da144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:38:19, skipping insertion in model container [2020-08-21 20:38:19,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:38:19" (3/3) ... [2020-08-21 20:38:19,683 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-08-21 20:38:19,693 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:38:19,701 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:38:19,715 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:38:19,739 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:38:19,739 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:38:19,740 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:38:19,740 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:38:19,740 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:38:19,740 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:38:19,740 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:38:19,741 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:38:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 20:38:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-08-21 20:38:19,772 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:19,773 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] [2020-08-21 20:38:19,773 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:19,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:19,779 INFO L82 PathProgramCache]: Analyzing trace with hash 312365279, now seen corresponding path program 1 times [2020-08-21 20:38:19,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:19,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878151555] [2020-08-21 20:38:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:20,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:38:20,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878151555] [2020-08-21 20:38:20,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:38:20,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 20:38:20,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400475206] [2020-08-21 20:38:20,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 20:38:20,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:20,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 20:38:20,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 20:38:20,128 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-21 20:38:21,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:21,537 INFO L93 Difference]: Finished difference Result 596 states and 1021 transitions. [2020-08-21 20:38:21,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:38:21,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-08-21 20:38:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:21,554 INFO L225 Difference]: With dead ends: 596 [2020-08-21 20:38:21,555 INFO L226 Difference]: Without dead ends: 302 [2020-08-21 20:38:21,562 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 [2020-08-21 20:38:21,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-21 20:38:21,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2020-08-21 20:38:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-21 20:38:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 430 transitions. [2020-08-21 20:38:21,653 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 430 transitions. Word has length 44 [2020-08-21 20:38:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:21,653 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 430 transitions. [2020-08-21 20:38:21,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 20:38:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 430 transitions. [2020-08-21 20:38:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-08-21 20:38:21,660 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:21,660 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] [2020-08-21 20:38:21,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:38:21,661 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:21,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:21,661 INFO L82 PathProgramCache]: Analyzing trace with hash -269514694, now seen corresponding path program 1 times [2020-08-21 20:38:21,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:21,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651267202] [2020-08-21 20:38:21,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:21,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:21,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:21,965 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:38:21,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651267202] [2020-08-21 20:38:21,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:38:21,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 20:38:21,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511193793] [2020-08-21 20:38:21,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:38:21,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:21,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:38:21,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:38:21,969 INFO L87 Difference]: Start difference. First operand 298 states and 430 transitions. Second operand 8 states. [2020-08-21 20:38:23,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:23,914 INFO L93 Difference]: Finished difference Result 1198 states and 1805 transitions. [2020-08-21 20:38:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 20:38:23,915 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-08-21 20:38:23,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:23,923 INFO L225 Difference]: With dead ends: 1198 [2020-08-21 20:38:23,923 INFO L226 Difference]: Without dead ends: 906 [2020-08-21 20:38:23,925 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 [2020-08-21 20:38:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 906 states. [2020-08-21 20:38:23,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 906 to 894. [2020-08-21 20:38:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-08-21 20:38:23,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1231 transitions. [2020-08-21 20:38:23,993 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1231 transitions. Word has length 118 [2020-08-21 20:38:23,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:23,994 INFO L479 AbstractCegarLoop]: Abstraction has 894 states and 1231 transitions. [2020-08-21 20:38:23,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:38:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1231 transitions. [2020-08-21 20:38:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-08-21 20:38:24,000 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:24,000 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] [2020-08-21 20:38:24,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:38:24,001 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:24,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:24,001 INFO L82 PathProgramCache]: Analyzing trace with hash -681057027, now seen corresponding path program 1 times [2020-08-21 20:38:24,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:24,002 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862118725] [2020-08-21 20:38:24,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:24,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:24,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:38:24,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862118725] [2020-08-21 20:38:24,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:38:24,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:38:24,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790102673] [2020-08-21 20:38:24,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:38:24,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:24,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:38:24,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:38:24,289 INFO L87 Difference]: Start difference. First operand 894 states and 1231 transitions. Second operand 8 states. [2020-08-21 20:38:26,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:26,014 INFO L93 Difference]: Finished difference Result 2397 states and 3360 transitions. [2020-08-21 20:38:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 20:38:26,016 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-08-21 20:38:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:26,025 INFO L225 Difference]: With dead ends: 2397 [2020-08-21 20:38:26,025 INFO L226 Difference]: Without dead ends: 1482 [2020-08-21 20:38:26,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 20:38:26,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2020-08-21 20:38:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2020-08-21 20:38:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1478 states. [2020-08-21 20:38:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2069 transitions. [2020-08-21 20:38:26,095 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2069 transitions. Word has length 123 [2020-08-21 20:38:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:26,096 INFO L479 AbstractCegarLoop]: Abstraction has 1478 states and 2069 transitions. [2020-08-21 20:38:26,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:38:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2069 transitions. [2020-08-21 20:38:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-21 20:38:26,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:26,102 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] [2020-08-21 20:38:26,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:38:26,102 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:26,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:26,103 INFO L82 PathProgramCache]: Analyzing trace with hash -255280675, now seen corresponding path program 1 times [2020-08-21 20:38:26,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:26,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077981421] [2020-08-21 20:38:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:26,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:38:26,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077981421] [2020-08-21 20:38:26,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:38:26,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 20:38:26,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938315432] [2020-08-21 20:38:26,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:38:26,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:26,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:38:26,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:38:26,343 INFO L87 Difference]: Start difference. First operand 1478 states and 2069 transitions. Second operand 8 states. [2020-08-21 20:38:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:27,747 INFO L93 Difference]: Finished difference Result 3592 states and 5347 transitions. [2020-08-21 20:38:27,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:38:27,748 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-21 20:38:27,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:27,762 INFO L225 Difference]: With dead ends: 3592 [2020-08-21 20:38:27,762 INFO L226 Difference]: Without dead ends: 2263 [2020-08-21 20:38:27,767 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 [2020-08-21 20:38:27,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-08-21 20:38:27,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1931. [2020-08-21 20:38:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-08-21 20:38:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2630 transitions. [2020-08-21 20:38:27,858 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2630 transitions. Word has length 139 [2020-08-21 20:38:27,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:27,859 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2630 transitions. [2020-08-21 20:38:27,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:38:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2630 transitions. [2020-08-21 20:38:27,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-08-21 20:38:27,861 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:27,861 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] [2020-08-21 20:38:27,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:38:27,862 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:27,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:27,862 INFO L82 PathProgramCache]: Analyzing trace with hash -678088530, now seen corresponding path program 1 times [2020-08-21 20:38:27,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:27,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167467514] [2020-08-21 20:38:27,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:27,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:38:28,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167467514] [2020-08-21 20:38:28,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:38:28,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 20:38:28,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318165150] [2020-08-21 20:38:28,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:38:28,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:28,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:38:28,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:38:28,097 INFO L87 Difference]: Start difference. First operand 1931 states and 2630 transitions. Second operand 7 states. [2020-08-21 20:38:29,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:29,309 INFO L93 Difference]: Finished difference Result 4023 states and 5493 transitions. [2020-08-21 20:38:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:38:29,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-08-21 20:38:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:29,326 INFO L225 Difference]: With dead ends: 4023 [2020-08-21 20:38:29,327 INFO L226 Difference]: Without dead ends: 2098 [2020-08-21 20:38:29,332 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 [2020-08-21 20:38:29,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-08-21 20:38:29,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2084. [2020-08-21 20:38:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2020-08-21 20:38:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2810 transitions. [2020-08-21 20:38:29,456 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2810 transitions. Word has length 140 [2020-08-21 20:38:29,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:29,457 INFO L479 AbstractCegarLoop]: Abstraction has 2084 states and 2810 transitions. [2020-08-21 20:38:29,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:38:29,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2810 transitions. [2020-08-21 20:38:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-08-21 20:38:29,464 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:29,464 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] [2020-08-21 20:38:29,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:38:29,464 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:29,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:29,465 INFO L82 PathProgramCache]: Analyzing trace with hash 716002293, now seen corresponding path program 1 times [2020-08-21 20:38:29,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:29,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693892303] [2020-08-21 20:38:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:29,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:38:29,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693892303] [2020-08-21 20:38:29,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:38:29,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:38:29,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758281498] [2020-08-21 20:38:29,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:38:29,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:29,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:38:29,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:38:29,742 INFO L87 Difference]: Start difference. First operand 2084 states and 2810 transitions. Second operand 8 states. [2020-08-21 20:38:31,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:31,938 INFO L93 Difference]: Finished difference Result 4629 states and 6453 transitions. [2020-08-21 20:38:31,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 20:38:31,938 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-08-21 20:38:31,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:31,964 INFO L225 Difference]: With dead ends: 4629 [2020-08-21 20:38:31,965 INFO L226 Difference]: Without dead ends: 2694 [2020-08-21 20:38:31,970 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 [2020-08-21 20:38:31,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2020-08-21 20:38:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2676. [2020-08-21 20:38:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2020-08-21 20:38:32,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3566 transitions. [2020-08-21 20:38:32,056 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3566 transitions. Word has length 159 [2020-08-21 20:38:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:32,057 INFO L479 AbstractCegarLoop]: Abstraction has 2676 states and 3566 transitions. [2020-08-21 20:38:32,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:38:32,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3566 transitions. [2020-08-21 20:38:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-08-21 20:38:32,059 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:32,060 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] [2020-08-21 20:38:32,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:38:32,060 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:32,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:32,061 INFO L82 PathProgramCache]: Analyzing trace with hash -657040215, now seen corresponding path program 1 times [2020-08-21 20:38:32,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:32,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004614978] [2020-08-21 20:38:32,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:32,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 20:38:32,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004614978] [2020-08-21 20:38:32,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:38:32,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:38:32,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436185900] [2020-08-21 20:38:32,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:38:32,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:32,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:38:32,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:38:32,350 INFO L87 Difference]: Start difference. First operand 2676 states and 3566 transitions. Second operand 7 states. [2020-08-21 20:38:34,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:34,093 INFO L93 Difference]: Finished difference Result 3989 states and 5421 transitions. [2020-08-21 20:38:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:38:34,094 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 181 [2020-08-21 20:38:34,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:34,113 INFO L225 Difference]: With dead ends: 3989 [2020-08-21 20:38:34,113 INFO L226 Difference]: Without dead ends: 3987 [2020-08-21 20:38:34,115 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 [2020-08-21 20:38:34,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2020-08-21 20:38:34,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 2972. [2020-08-21 20:38:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2972 states. [2020-08-21 20:38:34,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 4020 transitions. [2020-08-21 20:38:34,201 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 4020 transitions. Word has length 181 [2020-08-21 20:38:34,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:34,201 INFO L479 AbstractCegarLoop]: Abstraction has 2972 states and 4020 transitions. [2020-08-21 20:38:34,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:38:34,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 4020 transitions. [2020-08-21 20:38:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-08-21 20:38:34,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:34,205 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] [2020-08-21 20:38:34,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 20:38:34,206 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:34,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:34,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1538101510, now seen corresponding path program 1 times [2020-08-21 20:38:34,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:34,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388940421] [2020-08-21 20:38:34,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:34,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:34,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:34,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 20:38:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:34,490 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 20:38:34,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388940421] [2020-08-21 20:38:34,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:38:34,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 20:38:34,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286637291] [2020-08-21 20:38:34,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:38:34,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:34,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:38:34,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:38:34,493 INFO L87 Difference]: Start difference. First operand 2972 states and 4020 transitions. Second operand 10 states. [2020-08-21 20:38:38,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:38,148 INFO L93 Difference]: Finished difference Result 7547 states and 10346 transitions. [2020-08-21 20:38:38,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 20:38:38,150 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-08-21 20:38:38,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:38,171 INFO L225 Difference]: With dead ends: 7547 [2020-08-21 20:38:38,172 INFO L226 Difference]: Without dead ends: 4724 [2020-08-21 20:38:38,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-21 20:38:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4724 states. [2020-08-21 20:38:38,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4724 to 3862. [2020-08-21 20:38:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3862 states. [2020-08-21 20:38:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 4856 transitions. [2020-08-21 20:38:38,278 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 4856 transitions. Word has length 193 [2020-08-21 20:38:38,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:38,278 INFO L479 AbstractCegarLoop]: Abstraction has 3862 states and 4856 transitions. [2020-08-21 20:38:38,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:38:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4856 transitions. [2020-08-21 20:38:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-08-21 20:38:38,286 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:38,286 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] [2020-08-21 20:38:38,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 20:38:38,287 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:38,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:38,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1367628375, now seen corresponding path program 1 times [2020-08-21 20:38:38,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:38,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333357134] [2020-08-21 20:38:38,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:38,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:38,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 20:38:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:38,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-21 20:38:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 119 proven. 204 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 20:38:39,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333357134] [2020-08-21 20:38:39,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:38:39,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 20:38:39,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629771685] [2020-08-21 20:38:39,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:38:39,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:39,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:38:39,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:38:39,099 INFO L87 Difference]: Start difference. First operand 3862 states and 4856 transitions. Second operand 10 states. [2020-08-21 20:38:41,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:41,862 INFO L93 Difference]: Finished difference Result 7899 states and 9999 transitions. [2020-08-21 20:38:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 20:38:41,863 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 279 [2020-08-21 20:38:41,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:41,882 INFO L225 Difference]: With dead ends: 7899 [2020-08-21 20:38:41,883 INFO L226 Difference]: Without dead ends: 4186 [2020-08-21 20:38:41,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-08-21 20:38:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2020-08-21 20:38:42,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 4166. [2020-08-21 20:38:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4166 states. [2020-08-21 20:38:42,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5218 transitions. [2020-08-21 20:38:42,046 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5218 transitions. Word has length 279 [2020-08-21 20:38:42,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:42,046 INFO L479 AbstractCegarLoop]: Abstraction has 4166 states and 5218 transitions. [2020-08-21 20:38:42,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:38:42,046 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5218 transitions. [2020-08-21 20:38:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-08-21 20:38:42,062 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:42,063 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] [2020-08-21 20:38:42,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 20:38:42,063 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:42,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:42,064 INFO L82 PathProgramCache]: Analyzing trace with hash 2082826957, now seen corresponding path program 1 times [2020-08-21 20:38:42,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:42,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498446465] [2020-08-21 20:38:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:42,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:42,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-08-21 20:38:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:42,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-21 20:38:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 265 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-08-21 20:38:42,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498446465] [2020-08-21 20:38:42,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:38:42,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 20:38:42,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200747347] [2020-08-21 20:38:42,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 20:38:42,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:42,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 20:38:42,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 20:38:42,502 INFO L87 Difference]: Start difference. First operand 4166 states and 5218 transitions. Second operand 9 states. [2020-08-21 20:38:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:45,623 INFO L93 Difference]: Finished difference Result 10189 states and 12761 transitions. [2020-08-21 20:38:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 20:38:45,624 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 341 [2020-08-21 20:38:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:45,649 INFO L225 Difference]: With dead ends: 10189 [2020-08-21 20:38:45,649 INFO L226 Difference]: Without dead ends: 4275 [2020-08-21 20:38:45,663 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 [2020-08-21 20:38:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2020-08-21 20:38:45,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 3413. [2020-08-21 20:38:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states. [2020-08-21 20:38:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 3847 transitions. [2020-08-21 20:38:45,745 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 3847 transitions. Word has length 341 [2020-08-21 20:38:45,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:45,745 INFO L479 AbstractCegarLoop]: Abstraction has 3413 states and 3847 transitions. [2020-08-21 20:38:45,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 20:38:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3847 transitions. [2020-08-21 20:38:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2020-08-21 20:38:45,759 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:38:45,759 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] [2020-08-21 20:38:45,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 20:38:45,760 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:38:45,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:38:45,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1873477998, now seen corresponding path program 1 times [2020-08-21 20:38:45,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:38:45,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898241790] [2020-08-21 20:38:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:38:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:38:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:46,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 20:38:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:46,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 20:38:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:46,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-21 20:38:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:46,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-08-21 20:38:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:38:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 153 proven. 386 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-08-21 20:38:46,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898241790] [2020-08-21 20:38:46,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:38:46,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 20:38:46,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737107582] [2020-08-21 20:38:46,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 20:38:46,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:38:46,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 20:38:46,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-21 20:38:46,514 INFO L87 Difference]: Start difference. First operand 3413 states and 3847 transitions. Second operand 12 states. [2020-08-21 20:38:50,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:38:50,005 INFO L93 Difference]: Finished difference Result 7976 states and 9106 transitions. [2020-08-21 20:38:50,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 20:38:50,005 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 401 [2020-08-21 20:38:50,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:38:50,006 INFO L225 Difference]: With dead ends: 7976 [2020-08-21 20:38:50,007 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 20:38:50,020 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 [2020-08-21 20:38:50,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 20:38:50,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 20:38:50,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 20:38:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 20:38:50,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 401 [2020-08-21 20:38:50,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:38:50,022 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 20:38:50,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 20:38:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 20:38:50,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 20:38:50,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 20:38:50,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 20:38:50,806 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-21 20:38:51,060 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 162 [2020-08-21 20:38:52,592 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 278 DAG size of output: 69 [2020-08-21 20:38:53,383 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-21 20:38:54,127 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-08-21 20:38:54,132 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:38:54,132 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)|)) [2020-08-21 20:38:54,132 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:38:54,133 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 20:38:54,133 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,133 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,133 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,133 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,134 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,134 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,134 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 20:38:54,134 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 20:38:54,134 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 20:38:54,134 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 20:38:54,135 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 20:38:54,136 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 20:38:54,137 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 20:38:54,137 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 20:38:54,137 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 20:38:54,137 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 20:38:54,137 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 20:38:54,137 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 20:38:54,137 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,138 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 20:38:54,139 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 20:38:54,139 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 20:38:54,139 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 20:38:54,139 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 20:38:54,139 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 20:38:54,139 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 20:38:54,139 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 20:38:54,140 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 20:38:54,140 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 20:38:54,140 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,140 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,140 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,140 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,140 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 20:38:54,141 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,142 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 20:38:54,143 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,144 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 20:38:54,145 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,146 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 20:38:54,147 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 20:38:54,148 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 20:38:54,149 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 20:38:54,150 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 20:38:54,150 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 20:38:54,150 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 20:38:54,150 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 20:38:54,150 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 20:38:54,150 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 20:38:54,150 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 20:38:54,151 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 20:38:54,151 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 20:38:54,151 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)))) [2020-08-21 20:38:54,151 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 20:38:54,151 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 20:38:54,151 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 20:38:54,152 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 20:38:54,153 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 20:38:54,153 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 20:38:54,153 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 20:38:54,153 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 20:38:54,153 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 20:38:54,153 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 20:38:54,153 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,154 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 20:38:54,155 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,156 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 20:38:54,157 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 20:38:54,158 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 20:38:54,159 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 20:38:54,159 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)) [2020-08-21 20:38:54,159 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 20:38:54,159 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 20:38:54,159 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))) [2020-08-21 20:38:54,159 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 20:38:54,160 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))) [2020-08-21 20:38:54,160 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 20:38:54,160 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 20:38:54,160 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))) [2020-08-21 20:38:54,160 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 20:38:54,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 08:38:54 BoogieIcfgContainer [2020-08-21 20:38:54,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 20:38:54,186 INFO L168 Benchmark]: Toolchain (without parser) took 36724.68 ms. Allocated memory was 141.6 MB in the beginning and 657.5 MB in the end (delta: 515.9 MB). Free memory was 103.3 MB in the beginning and 428.9 MB in the end (delta: -325.6 MB). Peak memory consumption was 492.8 MB. Max. memory is 7.1 GB. [2020-08-21 20:38:54,187 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 20:38:54,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.61 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 103.1 MB in the beginning and 172.1 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-08-21 20:38:54,188 INFO L168 Benchmark]: Boogie Preprocessor took 144.65 ms. Allocated memory is still 206.0 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-08-21 20:38:54,189 INFO L168 Benchmark]: RCFGBuilder took 1333.12 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 167.3 MB in the beginning and 175.2 MB in the end (delta: -7.8 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-08-21 20:38:54,190 INFO L168 Benchmark]: TraceAbstraction took 34507.44 ms. Allocated memory was 235.4 MB in the beginning and 657.5 MB in the end (delta: 422.1 MB). Free memory was 175.2 MB in the beginning and 428.9 MB in the end (delta: -253.7 MB). Peak memory consumption was 470.9 MB. Max. memory is 7.1 GB. [2020-08-21 20:38:54,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.61 ms. Allocated memory was 141.6 MB in the beginning and 206.0 MB in the end (delta: 64.5 MB). Free memory was 103.1 MB in the beginning and 172.1 MB in the end (delta: -69.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.65 ms. Allocated memory is still 206.0 MB. Free memory was 172.1 MB in the beginning and 167.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1333.12 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 167.3 MB in the beginning and 175.2 MB in the end (delta: -7.8 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 34507.44 ms. Allocated memory was 235.4 MB in the beginning and 657.5 MB in the end (delta: 422.1 MB). Free memory was 175.2 MB in the beginning and 428.9 MB in the end (delta: -253.7 MB). Peak memory consumption was 470.9 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: 30.2s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 24.9s, 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, 17.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 2.3s 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: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 3143 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 192 PreInvPairs, 290 NumberOfFragments, 705 HoareAnnotationTreeSize, 192 FomulaSimplifications, 32632 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10656 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s 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...