/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:36:38,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 16:36:38,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 16:36:38,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 16:36:38,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:36:38,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:36:38,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:36:39,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:36:39,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:36:39,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:36:39,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:36:39,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:36:39,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:36:39,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:36:39,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:36:39,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:36:39,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:36:39,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:36:39,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:36:39,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:36:39,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:36:39,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:36:39,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:36:39,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:36:39,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 16:36:39,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:36:39,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:36:39,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:36:39,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 16:36:39,091 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:36:39,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:36:39,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:36:39,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:36:39,093 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:36:39,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:36:39,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:36:39,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:36:39,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:36:39,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:36:39,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:36:39,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:36:39,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:36:39,096 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:36:39,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:36:39,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:36:39,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:36:39,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:36:39,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:36:39,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:36:39,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:36:39,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:36:39,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:36:39,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:36:39,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:36:39,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:36:39,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:36:39,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:36:39,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:36:39,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:36:39,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:36:39,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:36:39,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:36:39,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:36:39,407 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:36:39,407 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-08-21 16:36:39,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/304d38e44/59cd355ff8fc4e4f833e9c429b2aac1b/FLAG37e281c87 [2020-08-21 16:36:40,048 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:36:40,049 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-08-21 16:36:40,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/304d38e44/59cd355ff8fc4e4f833e9c429b2aac1b/FLAG37e281c87 [2020-08-21 16:36:40,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/304d38e44/59cd355ff8fc4e4f833e9c429b2aac1b [2020-08-21 16:36:40,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:36:40,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:36:40,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:36:40,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:36:40,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:36:40,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:36:40" (1/1) ... [2020-08-21 16:36:40,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:40, skipping insertion in model container [2020-08-21 16:36:40,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:36:40" (1/1) ... [2020-08-21 16:36:40,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:36:40,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:36:41,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:36:41,187 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:36:41,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:36:41,327 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:36:41,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41 WrapperNode [2020-08-21 16:36:41,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:36:41,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:36:41,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:36:41,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:36:41,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... [2020-08-21 16:36:41,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... [2020-08-21 16:36:41,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... [2020-08-21 16:36:41,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... [2020-08-21 16:36:41,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... [2020-08-21 16:36:41,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... [2020-08-21 16:36:41,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... [2020-08-21 16:36:41,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:36:41,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:36:41,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:36:41,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:36:41,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:36:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:36:41,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:36:41,533 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 16:36:41,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:36:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 16:36:41,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:36:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:36:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 16:36:41,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:36:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:36:41,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:36:42,899 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:36:42,900 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 16:36:42,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:36:42 BoogieIcfgContainer [2020-08-21 16:36:42,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:36:42,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:36:42,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:36:42,917 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:36:42,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:36:40" (1/3) ... [2020-08-21 16:36:42,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63360cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:36:42, skipping insertion in model container [2020-08-21 16:36:42,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:36:41" (2/3) ... [2020-08-21 16:36:42,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63360cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:36:42, skipping insertion in model container [2020-08-21 16:36:42,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:36:42" (3/3) ... [2020-08-21 16:36:42,922 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label54.c [2020-08-21 16:36:42,933 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:36:42,945 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:36:42,960 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:36:42,996 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:36:42,998 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:36:42,998 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:36:42,998 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:36:42,998 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:36:42,998 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:36:42,998 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:36:42,999 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:36:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-21 16:36:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 16:36:43,048 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:43,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:36:43,050 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:43,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:43,058 INFO L82 PathProgramCache]: Analyzing trace with hash 664864703, now seen corresponding path program 1 times [2020-08-21 16:36:43,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:43,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134939186] [2020-08-21 16:36:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:43,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:43,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134939186] [2020-08-21 16:36:43,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:36:43,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 16:36:43,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025373856] [2020-08-21 16:36:43,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:36:43,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:43,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:36:43,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:36:43,645 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-21 16:36:46,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:46,035 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-21 16:36:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 16:36:46,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-08-21 16:36:46,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:46,055 INFO L225 Difference]: With dead ends: 730 [2020-08-21 16:36:46,056 INFO L226 Difference]: Without dead ends: 447 [2020-08-21 16:36:46,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:36:46,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-21 16:36:46,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-21 16:36:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-21 16:36:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-21 16:36:46,154 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 68 [2020-08-21 16:36:46,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:46,155 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-21 16:36:46,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:36:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-21 16:36:46,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-08-21 16:36:46,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:46,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 16:36:46,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:36:46,165 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:46,165 INFO L82 PathProgramCache]: Analyzing trace with hash -613948535, now seen corresponding path program 1 times [2020-08-21 16:36:46,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:46,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507573161] [2020-08-21 16:36:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:46,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:46,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507573161] [2020-08-21 16:36:46,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:36:46,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 16:36:46,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948776615] [2020-08-21 16:36:46,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:36:46,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:46,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:36:46,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:36:46,477 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-08-21 16:36:48,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:48,217 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-08-21 16:36:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:36:48,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-08-21 16:36:48,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:48,225 INFO L225 Difference]: With dead ends: 1041 [2020-08-21 16:36:48,225 INFO L226 Difference]: Without dead ends: 606 [2020-08-21 16:36:48,227 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 16:36:48,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-08-21 16:36:48,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-08-21 16:36:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-08-21 16:36:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-08-21 16:36:48,272 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 141 [2020-08-21 16:36:48,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:48,273 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-08-21 16:36:48,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:36:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-08-21 16:36:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-08-21 16:36:48,277 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:48,278 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 16:36:48,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:36:48,278 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:48,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:48,279 INFO L82 PathProgramCache]: Analyzing trace with hash -628006051, now seen corresponding path program 1 times [2020-08-21 16:36:48,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:48,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269566950] [2020-08-21 16:36:48,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:48,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:48,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:48,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269566950] [2020-08-21 16:36:48,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:36:48,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:36:48,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438071939] [2020-08-21 16:36:48,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:36:48,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:48,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:36:48,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:36:48,590 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 8 states. [2020-08-21 16:36:50,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:50,566 INFO L93 Difference]: Finished difference Result 1821 states and 2679 transitions. [2020-08-21 16:36:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 16:36:50,567 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-08-21 16:36:50,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:50,576 INFO L225 Difference]: With dead ends: 1821 [2020-08-21 16:36:50,576 INFO L226 Difference]: Without dead ends: 1208 [2020-08-21 16:36:50,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-08-21 16:36:50,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-08-21 16:36:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1035. [2020-08-21 16:36:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-08-21 16:36:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1482 transitions. [2020-08-21 16:36:50,642 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1482 transitions. Word has length 147 [2020-08-21 16:36:50,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:50,642 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1482 transitions. [2020-08-21 16:36:50,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:36:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1482 transitions. [2020-08-21 16:36:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-08-21 16:36:50,648 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:50,648 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 16:36:50,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:36:50,648 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:50,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:50,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1447893882, now seen corresponding path program 1 times [2020-08-21 16:36:50,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:50,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [634369629] [2020-08-21 16:36:50,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:50,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:50,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:50,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [634369629] [2020-08-21 16:36:50,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:36:50,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 16:36:50,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293176321] [2020-08-21 16:36:50,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:36:50,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:50,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:36:50,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:36:50,816 INFO L87 Difference]: Start difference. First operand 1035 states and 1482 transitions. Second operand 7 states. [2020-08-21 16:36:52,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:52,357 INFO L93 Difference]: Finished difference Result 2664 states and 3890 transitions. [2020-08-21 16:36:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:36:52,363 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-08-21 16:36:52,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:52,380 INFO L225 Difference]: With dead ends: 2664 [2020-08-21 16:36:52,380 INFO L226 Difference]: Without dead ends: 1635 [2020-08-21 16:36:52,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-21 16:36:52,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-08-21 16:36:52,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1339. [2020-08-21 16:36:52,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-08-21 16:36:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1904 transitions. [2020-08-21 16:36:52,452 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1904 transitions. Word has length 158 [2020-08-21 16:36:52,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:52,454 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1904 transitions. [2020-08-21 16:36:52,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:36:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1904 transitions. [2020-08-21 16:36:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-08-21 16:36:52,458 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:52,458 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 16:36:52,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:36:52,459 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:52,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:52,459 INFO L82 PathProgramCache]: Analyzing trace with hash -354154514, now seen corresponding path program 1 times [2020-08-21 16:36:52,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:52,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054114775] [2020-08-21 16:36:52,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:52,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:52,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:36:52,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054114775] [2020-08-21 16:36:52,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:36:52,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 16:36:52,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963592980] [2020-08-21 16:36:52,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:36:52,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:52,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:36:52,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:36:52,868 INFO L87 Difference]: Start difference. First operand 1339 states and 1904 transitions. Second operand 8 states. [2020-08-21 16:36:55,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:55,283 INFO L93 Difference]: Finished difference Result 3999 states and 5910 transitions. [2020-08-21 16:36:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 16:36:55,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-08-21 16:36:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:55,304 INFO L225 Difference]: With dead ends: 3999 [2020-08-21 16:36:55,304 INFO L226 Difference]: Without dead ends: 2809 [2020-08-21 16:36:55,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-08-21 16:36:55,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2020-08-21 16:36:55,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2368. [2020-08-21 16:36:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2020-08-21 16:36:55,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3265 transitions. [2020-08-21 16:36:55,402 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3265 transitions. Word has length 180 [2020-08-21 16:36:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:36:55,403 INFO L479 AbstractCegarLoop]: Abstraction has 2368 states and 3265 transitions. [2020-08-21 16:36:55,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:36:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3265 transitions. [2020-08-21 16:36:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-08-21 16:36:55,408 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:36:55,409 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1] [2020-08-21 16:36:55,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 16:36:55,410 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:36:55,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:36:55,411 INFO L82 PathProgramCache]: Analyzing trace with hash -157046822, now seen corresponding path program 1 times [2020-08-21 16:36:55,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:36:55,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479141651] [2020-08-21 16:36:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:36:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:36:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:36:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:55,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 16:36:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:36:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 186 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:36:55,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479141651] [2020-08-21 16:36:55,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:36:55,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 16:36:55,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155633818] [2020-08-21 16:36:55,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 16:36:55,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:36:55,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 16:36:55,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:36:55,772 INFO L87 Difference]: Start difference. First operand 2368 states and 3265 transitions. Second operand 10 states. [2020-08-21 16:36:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:36:59,897 INFO L93 Difference]: Finished difference Result 5616 states and 7776 transitions. [2020-08-21 16:36:59,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 16:36:59,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-08-21 16:36:59,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:36:59,922 INFO L225 Difference]: With dead ends: 5616 [2020-08-21 16:36:59,922 INFO L226 Difference]: Without dead ends: 3254 [2020-08-21 16:36:59,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-21 16:36:59,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2020-08-21 16:37:00,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2960. [2020-08-21 16:37:00,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2020-08-21 16:37:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3805 transitions. [2020-08-21 16:37:00,031 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3805 transitions. Word has length 217 [2020-08-21 16:37:00,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:00,032 INFO L479 AbstractCegarLoop]: Abstraction has 2960 states and 3805 transitions. [2020-08-21 16:37:00,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 16:37:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3805 transitions. [2020-08-21 16:37:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-08-21 16:37:00,038 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:00,039 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:00,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 16:37:00,039 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:00,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:00,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1152671735, now seen corresponding path program 1 times [2020-08-21 16:37:00,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:00,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861309330] [2020-08-21 16:37:00,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:00,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:00,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-21 16:37:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 122 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 16:37:00,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861309330] [2020-08-21 16:37:00,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:00,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:37:00,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754070573] [2020-08-21 16:37:00,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:37:00,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:00,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:37:00,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:37:00,445 INFO L87 Difference]: Start difference. First operand 2960 states and 3805 transitions. Second operand 7 states. [2020-08-21 16:37:01,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:01,934 INFO L93 Difference]: Finished difference Result 6073 states and 7848 transitions. [2020-08-21 16:37:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 16:37:01,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 254 [2020-08-21 16:37:01,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:01,951 INFO L225 Difference]: With dead ends: 6073 [2020-08-21 16:37:01,951 INFO L226 Difference]: Without dead ends: 3119 [2020-08-21 16:37:01,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:37:01,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2020-08-21 16:37:02,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3105. [2020-08-21 16:37:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3105 states. [2020-08-21 16:37:02,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 3960 transitions. [2020-08-21 16:37:02,045 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 3960 transitions. Word has length 254 [2020-08-21 16:37:02,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:02,046 INFO L479 AbstractCegarLoop]: Abstraction has 3105 states and 3960 transitions. [2020-08-21 16:37:02,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:37:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 3960 transitions. [2020-08-21 16:37:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-08-21 16:37:02,053 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:02,053 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:02,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 16:37:02,054 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:02,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:02,054 INFO L82 PathProgramCache]: Analyzing trace with hash -722051440, now seen corresponding path program 1 times [2020-08-21 16:37:02,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:02,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777708787] [2020-08-21 16:37:02,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 16:37:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:02,462 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 209 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:37:02,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777708787] [2020-08-21 16:37:02,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:02,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:37:02,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981615164] [2020-08-21 16:37:02,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:37:02,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:02,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:37:02,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:37:02,467 INFO L87 Difference]: Start difference. First operand 3105 states and 3960 transitions. Second operand 7 states. [2020-08-21 16:37:06,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:06,512 INFO L93 Difference]: Finished difference Result 6069 states and 7818 transitions. [2020-08-21 16:37:06,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 16:37:06,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 273 [2020-08-21 16:37:06,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:06,531 INFO L225 Difference]: With dead ends: 6069 [2020-08-21 16:37:06,532 INFO L226 Difference]: Without dead ends: 3113 [2020-08-21 16:37:06,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:37:06,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2020-08-21 16:37:06,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 2674. [2020-08-21 16:37:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2020-08-21 16:37:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3207 transitions. [2020-08-21 16:37:06,675 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3207 transitions. Word has length 273 [2020-08-21 16:37:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:06,675 INFO L479 AbstractCegarLoop]: Abstraction has 2674 states and 3207 transitions. [2020-08-21 16:37:06,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:37:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3207 transitions. [2020-08-21 16:37:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-08-21 16:37:06,683 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:06,683 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:06,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 16:37:06,684 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:06,684 INFO L82 PathProgramCache]: Analyzing trace with hash 713327541, now seen corresponding path program 1 times [2020-08-21 16:37:06,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:06,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868337480] [2020-08-21 16:37:06,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:06,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:06,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 16:37:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 189 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 16:37:07,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868337480] [2020-08-21 16:37:07,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:07,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 16:37:07,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872857373] [2020-08-21 16:37:07,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 16:37:07,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:07,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 16:37:07,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 16:37:07,026 INFO L87 Difference]: Start difference. First operand 2674 states and 3207 transitions. Second operand 7 states. [2020-08-21 16:37:08,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:08,885 INFO L93 Difference]: Finished difference Result 5209 states and 6286 transitions. [2020-08-21 16:37:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 16:37:08,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 280 [2020-08-21 16:37:08,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:08,898 INFO L225 Difference]: With dead ends: 5209 [2020-08-21 16:37:08,898 INFO L226 Difference]: Without dead ends: 2684 [2020-08-21 16:37:08,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:37:08,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2020-08-21 16:37:08,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 2235. [2020-08-21 16:37:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-08-21 16:37:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2591 transitions. [2020-08-21 16:37:08,958 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2591 transitions. Word has length 280 [2020-08-21 16:37:08,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:08,958 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2591 transitions. [2020-08-21 16:37:08,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 16:37:08,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2591 transitions. [2020-08-21 16:37:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-08-21 16:37:08,969 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:37:08,969 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:37:08,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 16:37:08,970 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:37:08,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:37:08,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1723286891, now seen corresponding path program 1 times [2020-08-21 16:37:08,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:37:08,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316567881] [2020-08-21 16:37:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:37:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:09,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:37:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:09,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 16:37:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:09,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-21 16:37:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:37:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-08-21 16:37:09,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316567881] [2020-08-21 16:37:09,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:37:09,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 16:37:09,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567125277] [2020-08-21 16:37:09,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 16:37:09,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:37:09,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 16:37:09,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:37:09,300 INFO L87 Difference]: Start difference. First operand 2235 states and 2591 transitions. Second operand 5 states. [2020-08-21 16:37:10,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:37:10,597 INFO L93 Difference]: Finished difference Result 4762 states and 5594 transitions. [2020-08-21 16:37:10,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:37:10,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 324 [2020-08-21 16:37:10,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:37:10,602 INFO L225 Difference]: With dead ends: 4762 [2020-08-21 16:37:10,602 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 16:37:10,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:37:10,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 16:37:10,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 16:37:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 16:37:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 16:37:10,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 324 [2020-08-21 16:37:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:37:10,612 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 16:37:10,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 16:37:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 16:37:10,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 16:37:10,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 16:37:10,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 16:37:10,933 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 95 [2020-08-21 16:37:11,810 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 61 [2020-08-21 16:37:12,499 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-21 16:37:13,192 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 57 [2020-08-21 16:37:13,196 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:37:13,196 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 16:37:13,197 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:37:13,197 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-21 16:37:13,197 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,197 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,197 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,197 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,198 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,198 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,198 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-21 16:37:13,198 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-21 16:37:13,198 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-21 16:37:13,198 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-21 16:37:13,200 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 16:37:13,200 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-21 16:37:13,200 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-21 16:37:13,201 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-21 16:37:13,201 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-21 16:37:13,202 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-21 16:37:13,202 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-21 16:37:13,202 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,202 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,202 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,202 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,202 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,203 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-21 16:37:13,203 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-21 16:37:13,203 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-21 16:37:13,203 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-21 16:37:13,203 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-21 16:37:13,203 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 16:37:13,203 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-21 16:37:13,204 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-21 16:37:13,204 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-21 16:37:13,204 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-21 16:37:13,204 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-21 16:37:13,204 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-21 16:37:13,204 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-21 16:37:13,204 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2020-08-21 16:37:13,205 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-21 16:37:13,205 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,205 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,205 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,205 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,205 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,205 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-21 16:37:13,206 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 16:37:13,206 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 16:37:13,206 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-21 16:37:13,206 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-21 16:37:13,206 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-21 16:37:13,206 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-21 16:37:13,207 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-21 16:37:13,207 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-21 16:37:13,207 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-21 16:37:13,208 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,208 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,208 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 16:37:13,209 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,210 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,211 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 16:37:13,212 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,213 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-21 16:37:13,214 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,215 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-21 16:37:13,216 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-21 16:37:13,217 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-21 16:37:13,217 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-21 16:37:13,217 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-21 16:37:13,217 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-21 16:37:13,217 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (= |old(~a10~0)| 1))) (.cse0 (not (<= 9 |old(~a19~0)|))) (.cse6 (not (<= |old(~a1~0)| 23))) (.cse7 (not (<= |old(~a10~0)| 0))) (.cse2 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse4 (not (= 14 ~a4~0))) (.cse5 (not (= ~a12~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 (not (= 2 |old(~a10~0)|))) (or .cse1 .cse2 .cse4 .cse5) (or .cse2 .cse3 (not (= 4 |old(~a10~0)|))) (or .cse2 (and (or .cse6 .cse3) (or .cse3 (= 8 |old(~a19~0)|)))) (or .cse2 (and (or .cse0 (not (= 0 |old(~a10~0)|))) (or .cse7 .cse6))) (or .cse7 .cse2 .cse3 .cse4 .cse5))) [2020-08-21 16:37:13,217 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-21 16:37:13,217 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-21 16:37:13,218 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-21 16:37:13,218 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,218 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,218 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,218 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,218 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,218 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-21 16:37:13,219 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-21 16:37:13,220 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-21 16:37:13,220 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-21 16:37:13,220 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-21 16:37:13,220 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-21 16:37:13,220 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-21 16:37:13,220 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,220 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-21 16:37:13,221 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-21 16:37:13,222 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-21 16:37:13,222 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-21 16:37:13,222 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-21 16:37:13,222 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-21 16:37:13,222 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-21 16:37:13,222 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-21 16:37:13,222 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-21 16:37:13,223 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-21 16:37:13,224 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-21 16:37:13,225 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-21 16:37:13,225 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-21 16:37:13,225 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-21 16:37:13,225 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:37:13,225 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-08-21 16:37:13,225 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 16:37:13,225 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:37:13,226 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)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-08-21 16:37:13,226 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-21 16:37:13,226 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 16:37:13,226 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-21 16:37:13,226 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 16:37:13,227 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse3 (= ~a10~0 |old(~a10~0)|)) (.cse4 (<= ~a10~0 0)) (.cse0 (<= ~a19~0 9)) (.cse5 (<= ~a1~0 23)) (.cse1 (= 0 |old(~a10~0)|))) (or (and (= ~a10~0 2) .cse0 .cse1) (and .cse2 .cse1) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) .cse3) (and .cse4 .cse5 .cse1) (and .cse6 .cse2 (<= 331505 ~a1~0)) (and (not .cse6) .cse0 .cse1) (not (= ~a12~0 0)) (not (<= 23 |old(~a1~0)|)) (and .cse1 .cse3) (and .cse0 (= ~a10~0 4) .cse1) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and .cse4 .cse0 .cse1) (and .cse0 .cse5 .cse1) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)))) [2020-08-21 16:37:13,227 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-21 16:37:13,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:37:13 BoogieIcfgContainer [2020-08-21 16:37:13,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 16:37:13,253 INFO L168 Benchmark]: Toolchain (without parser) took 32759.52 ms. Allocated memory was 141.0 MB in the beginning and 569.9 MB in the end (delta: 428.9 MB). Free memory was 102.2 MB in the beginning and 446.1 MB in the end (delta: -343.9 MB). Peak memory consumption was 407.8 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:13,254 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 16:37:13,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.88 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 172.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:13,255 INFO L168 Benchmark]: Boogie Preprocessor took 131.43 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 16:37:13,258 INFO L168 Benchmark]: RCFGBuilder took 1451.72 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 167.3 MB in the beginning and 177.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:13,259 INFO L168 Benchmark]: TraceAbstraction took 30337.53 ms. Allocated memory was 237.0 MB in the beginning and 569.9 MB in the end (delta: 332.9 MB). Free memory was 177.8 MB in the beginning and 446.1 MB in the end (delta: -268.3 MB). Peak memory consumption was 387.4 MB. Max. memory is 7.1 GB. [2020-08-21 16:37:13,263 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 833.88 ms. Allocated memory was 141.0 MB in the beginning and 206.0 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 172.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.43 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 1451.72 ms. Allocated memory was 206.0 MB in the beginning and 237.0 MB in the end (delta: 30.9 MB). Free memory was 167.3 MB in the beginning and 177.8 MB in the end (delta: -10.5 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30337.53 ms. Allocated memory was 237.0 MB in the beginning and 569.9 MB in the end (delta: 332.9 MB). Free memory was 177.8 MB in the beginning and 446.1 MB in the end (delta: -268.3 MB). Peak memory consumption was 387.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: (((((((((((((((((a10 == 2 && a19 <= 9) && 0 == \old(a10)) || (a10 == 1 && 0 == \old(a10))) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || ((a10 <= 0 && a1 <= 23) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || ((!(a19 == 8) && a19 <= 9) && 0 == \old(a10))) || !(a12 == 0)) || !(23 <= \old(a1))) || (0 == \old(a10) && a10 == \old(a10))) || ((a19 <= 9 && a10 == 4) && 0 == \old(a10))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || ((a10 <= 0 && a19 <= 9) && 0 == \old(a10))) || ((a19 <= 9 && a1 <= 23) && 0 == \old(a10))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 23.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 300 SDtfs, 5319 SDslu, 485 SDs, 0 SdLazy, 12009 SolverSat, 1475 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 16.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3105occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 2126 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 136 PreInvPairs, 176 NumberOfFragments, 514 HoareAnnotationTreeSize, 136 FomulaSimplifications, 60824 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7145 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2042 NumberOfCodeBlocks, 2042 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2032 ConstructedInterpolants, 0 QuantifiedInterpolants, 1016510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 1176/1289 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...