/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem10_label13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:11:22,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:11:22,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:11:22,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 01:11:22,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:11:22,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:11:22,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:11:22,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:11:22,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:11:22,923 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:11:22,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:11:22,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:11:22,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:11:22,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:11:22,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:11:22,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:11:22,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:11:22,925 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:11:22,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:11:22,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:11:22,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:11:22,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:11:22,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:11:22,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:11:22,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:11:22,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:11:22,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:11:22,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:11:22,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:11:22,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:11:22,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:11:23,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:11:23,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:11:23,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:11:23,334 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:11:23,335 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:11:23,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label13.c [2020-12-22 01:11:23,429 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e8c57af/d046b96e5ef246cbb2b7b333391e42ae/FLAG0a5a461aa [2020-12-22 01:11:24,155 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:11:24,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label13.c [2020-12-22 01:11:24,176 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e8c57af/d046b96e5ef246cbb2b7b333391e42ae/FLAG0a5a461aa [2020-12-22 01:11:24,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e8c57af/d046b96e5ef246cbb2b7b333391e42ae [2020-12-22 01:11:24,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:11:24,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:11:24,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:11:24,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:11:24,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:11:24,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:11:24" (1/1) ... [2020-12-22 01:11:24,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b272b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:24, skipping insertion in model container [2020-12-22 01:11:24,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:11:24" (1/1) ... [2020-12-22 01:11:24,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:11:24,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:11:24,884 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label13.c[6334,6347] [2020-12-22 01:11:25,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:11:25,043 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:11:25,101 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label13.c[6334,6347] [2020-12-22 01:11:25,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:11:25,257 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:11:25,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25 WrapperNode [2020-12-22 01:11:25,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:11:25,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:11:25,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:11:25,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:11:25,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:11:25,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:11:25,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:11:25,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:11:25,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... [2020-12-22 01:11:25,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:11:25,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:11:25,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:11:25,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:11:25,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-12-22 01:11:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:11:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:11:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:11:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:11:27,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:11:27,060 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:11:27,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:27 BoogieIcfgContainer [2020-12-22 01:11:27,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:11:27,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:11:27,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:11:27,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:11:27,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:11:24" (1/3) ... [2020-12-22 01:11:27,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75d794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:27, skipping insertion in model container [2020-12-22 01:11:27,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:11:25" (2/3) ... [2020-12-22 01:11:27,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a75d794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:11:27, skipping insertion in model container [2020-12-22 01:11:27,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:27" (3/3) ... [2020-12-22 01:11:27,079 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label13.c [2020-12-22 01:11:27,086 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:11:27,091 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:11:27,116 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:11:27,144 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:11:27,145 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:11:27,145 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:11:27,145 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:11:27,145 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:11:27,145 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:11:27,145 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:11:27,145 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:11:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-22 01:11:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 01:11:27,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:27,176 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] [2020-12-22 01:11:27,177 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:27,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:27,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2020-12-22 01:11:27,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:27,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206200450] [2020-12-22 01:11:27,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:27,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206200450] [2020-12-22 01:11:27,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:27,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:27,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188990063] [2020-12-22 01:11:27,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:27,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:27,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:27,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:27,605 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-22 01:11:28,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:28,584 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2020-12-22 01:11:28,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:28,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-22 01:11:28,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:28,602 INFO L225 Difference]: With dead ends: 567 [2020-12-22 01:11:28,603 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 01:11:28,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:28,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 01:11:28,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-22 01:11:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 01:11:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-12-22 01:11:28,672 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 55 [2020-12-22 01:11:28,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:28,673 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-12-22 01:11:28,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-12-22 01:11:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-22 01:11:28,679 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:28,679 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:28,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:11:28,680 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:28,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:28,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1065487598, now seen corresponding path program 1 times [2020-12-22 01:11:28,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:28,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350180896] [2020-12-22 01:11:28,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:28,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350180896] [2020-12-22 01:11:28,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:28,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:28,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095513146] [2020-12-22 01:11:28,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:28,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:28,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:28,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:28,927 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-12-22 01:11:29,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:29,521 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-12-22 01:11:29,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:29,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-12-22 01:11:29,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:29,526 INFO L225 Difference]: With dead ends: 840 [2020-12-22 01:11:29,527 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:11:29,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:29,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:11:29,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-22 01:11:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:11:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-12-22 01:11:29,562 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 125 [2020-12-22 01:11:29,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:29,563 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-12-22 01:11:29,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-12-22 01:11:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-22 01:11:29,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:29,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:29,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:11:29,571 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:29,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1762411064, now seen corresponding path program 1 times [2020-12-22 01:11:29,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:29,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772364170] [2020-12-22 01:11:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:29,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772364170] [2020-12-22 01:11:29,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16213050] [2020-12-22 01:11:29,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:11:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:30,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:11:30,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:11:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:30,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:11:30,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:11:30,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248513869] [2020-12-22 01:11:30,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:30,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:30,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:30,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:30,237 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-12-22 01:11:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:30,966 INFO L93 Difference]: Finished difference Result 979 states and 1299 transitions. [2020-12-22 01:11:30,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:30,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-12-22 01:11:30,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:30,976 INFO L225 Difference]: With dead ends: 979 [2020-12-22 01:11:30,976 INFO L226 Difference]: Without dead ends: 977 [2020-12-22 01:11:30,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:30,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-22 01:11:31,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 699. [2020-12-22 01:11:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-22 01:11:31,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 944 transitions. [2020-12-22 01:11:31,017 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 944 transitions. Word has length 130 [2020-12-22 01:11:31,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:31,018 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 944 transitions. [2020-12-22 01:11:31,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 944 transitions. [2020-12-22 01:11:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-22 01:11:31,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:31,025 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:31,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-22 01:11:31,240 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:31,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:31,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1726354278, now seen corresponding path program 1 times [2020-12-22 01:11:31,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:31,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558231485] [2020-12-22 01:11:31,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:31,410 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:31,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558231485] [2020-12-22 01:11:31,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:31,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:31,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314943143] [2020-12-22 01:11:31,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:31,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:31,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:31,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:31,415 INFO L87 Difference]: Start difference. First operand 699 states and 944 transitions. Second operand 3 states. [2020-12-22 01:11:32,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:32,119 INFO L93 Difference]: Finished difference Result 1952 states and 2612 transitions. [2020-12-22 01:11:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:32,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-12-22 01:11:32,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:32,127 INFO L225 Difference]: With dead ends: 1952 [2020-12-22 01:11:32,127 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:11:32,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:32,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:11:32,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2020-12-22 01:11:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:11:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1436 transitions. [2020-12-22 01:11:32,168 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1436 transitions. Word has length 173 [2020-12-22 01:11:32,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:32,169 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1436 transitions. [2020-12-22 01:11:32,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1436 transitions. [2020-12-22 01:11:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-12-22 01:11:32,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:32,175 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, 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] [2020-12-22 01:11:32,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:11:32,176 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:32,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:32,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1617583127, now seen corresponding path program 1 times [2020-12-22 01:11:32,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:32,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878778087] [2020-12-22 01:11:32,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:32,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878778087] [2020-12-22 01:11:32,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:32,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 01:11:32,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841031938] [2020-12-22 01:11:32,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:11:32,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:32,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:11:32,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:32,516 INFO L87 Difference]: Start difference. First operand 1116 states and 1436 transitions. Second operand 7 states. [2020-12-22 01:11:33,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:33,346 INFO L93 Difference]: Finished difference Result 2285 states and 2925 transitions. [2020-12-22 01:11:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 01:11:33,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-12-22 01:11:33,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:33,355 INFO L225 Difference]: With dead ends: 2285 [2020-12-22 01:11:33,356 INFO L226 Difference]: Without dead ends: 1116 [2020-12-22 01:11:33,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:11:33,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-12-22 01:11:33,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-12-22 01:11:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:11:33,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1428 transitions. [2020-12-22 01:11:33,389 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1428 transitions. Word has length 208 [2020-12-22 01:11:33,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:33,390 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1428 transitions. [2020-12-22 01:11:33,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:11:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1428 transitions. [2020-12-22 01:11:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-22 01:11:33,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:33,394 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:33,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:11:33,395 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:33,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:33,395 INFO L82 PathProgramCache]: Analyzing trace with hash 664327485, now seen corresponding path program 1 times [2020-12-22 01:11:33,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:33,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638042562] [2020-12-22 01:11:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:33,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638042562] [2020-12-22 01:11:33,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:33,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:33,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444953079] [2020-12-22 01:11:33,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:33,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:33,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:33,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:33,542 INFO L87 Difference]: Start difference. First operand 1116 states and 1428 transitions. Second operand 3 states. [2020-12-22 01:11:34,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:34,305 INFO L93 Difference]: Finished difference Result 2647 states and 3409 transitions. [2020-12-22 01:11:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:34,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-12-22 01:11:34,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:34,314 INFO L225 Difference]: With dead ends: 2647 [2020-12-22 01:11:34,314 INFO L226 Difference]: Without dead ends: 1533 [2020-12-22 01:11:34,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:34,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-12-22 01:11:34,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1116. [2020-12-22 01:11:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-12-22 01:11:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1419 transitions. [2020-12-22 01:11:34,352 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1419 transitions. Word has length 215 [2020-12-22 01:11:34,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:34,353 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1419 transitions. [2020-12-22 01:11:34,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1419 transitions. [2020-12-22 01:11:34,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-22 01:11:34,362 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:34,362 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:34,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:11:34,363 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:34,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1871085354, now seen corresponding path program 1 times [2020-12-22 01:11:34,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:34,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118675341] [2020-12-22 01:11:34,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2020-12-22 01:11:34,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118675341] [2020-12-22 01:11:34,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:34,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:11:34,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727566865] [2020-12-22 01:11:34,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:34,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:34,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:34,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:34,621 INFO L87 Difference]: Start difference. First operand 1116 states and 1419 transitions. Second operand 3 states. [2020-12-22 01:11:35,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:35,218 INFO L93 Difference]: Finished difference Result 2369 states and 2984 transitions. [2020-12-22 01:11:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:35,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-12-22 01:11:35,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:35,225 INFO L225 Difference]: With dead ends: 2369 [2020-12-22 01:11:35,225 INFO L226 Difference]: Without dead ends: 1255 [2020-12-22 01:11:35,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:35,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-22 01:11:35,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-22 01:11:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:11:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1562 transitions. [2020-12-22 01:11:35,269 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1562 transitions. Word has length 225 [2020-12-22 01:11:35,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:35,270 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1562 transitions. [2020-12-22 01:11:35,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1562 transitions. [2020-12-22 01:11:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-12-22 01:11:35,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:35,275 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:11:35,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 01:11:35,276 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:35,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:35,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1784057475, now seen corresponding path program 1 times [2020-12-22 01:11:35,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:35,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337807036] [2020-12-22 01:11:35,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:11:35,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337807036] [2020-12-22 01:11:35,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:35,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:35,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362921429] [2020-12-22 01:11:35,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:35,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:35,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:35,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:35,449 INFO L87 Difference]: Start difference. First operand 1255 states and 1562 transitions. Second operand 3 states. [2020-12-22 01:11:36,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:36,200 INFO L93 Difference]: Finished difference Result 2786 states and 3534 transitions. [2020-12-22 01:11:36,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:36,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-12-22 01:11:36,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:36,209 INFO L225 Difference]: With dead ends: 2786 [2020-12-22 01:11:36,209 INFO L226 Difference]: Without dead ends: 1672 [2020-12-22 01:11:36,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:36,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-12-22 01:11:36,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1533. [2020-12-22 01:11:36,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-12-22 01:11:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1792 transitions. [2020-12-22 01:11:36,253 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1792 transitions. Word has length 244 [2020-12-22 01:11:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:36,254 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1792 transitions. [2020-12-22 01:11:36,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1792 transitions. [2020-12-22 01:11:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-22 01:11:36,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:11:36,262 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:11:36,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:11:36,262 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:11:36,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:11:36,263 INFO L82 PathProgramCache]: Analyzing trace with hash -524971941, now seen corresponding path program 1 times [2020-12-22 01:11:36,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:11:36,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000566883] [2020-12-22 01:11:36,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:11:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:11:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-12-22 01:11:36,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000566883] [2020-12-22 01:11:36,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:11:36,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:11:36,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674421085] [2020-12-22 01:11:36,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:11:36,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:11:36,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:11:36,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:36,592 INFO L87 Difference]: Start difference. First operand 1533 states and 1792 transitions. Second operand 3 states. [2020-12-22 01:11:37,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:11:37,320 INFO L93 Difference]: Finished difference Result 3618 states and 4235 transitions. [2020-12-22 01:11:37,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:11:37,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2020-12-22 01:11:37,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:11:37,321 INFO L225 Difference]: With dead ends: 3618 [2020-12-22 01:11:37,321 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:11:37,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:11:37,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:11:37,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:11:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:11:37,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:11:37,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 354 [2020-12-22 01:11:37,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:11:37,326 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:11:37,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:11:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:11:37,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:11:37,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:11:37,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:11:37,639 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-12-22 01:11:37,647 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-22 01:11:37,647 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-22 01:11:37,647 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-22 01:11:37,647 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-22 01:11:37,647 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-22 01:11:37,648 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-22 01:11:37,648 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,654 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,654 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,654 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,654 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,654 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,654 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-22 01:11:37,654 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-22 01:11:37,655 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-22 01:11:37,656 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-22 01:11:37,657 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-22 01:11:37,658 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,659 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:11:37,660 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,661 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,662 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-22 01:11:37,663 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:11:37,664 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:11:37,665 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse3 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 (<= ~a1~0 33) .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse1) (and .cse3 .cse0 (= ~a10~0 0) .cse1) (and .cse3 .cse0 .cse1 .cse2))) [2020-12-22 01:11:37,665 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-22 01:11:37,665 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-22 01:11:37,665 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-22 01:11:37,665 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-22 01:11:37,665 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,665 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:11:37,666 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,667 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:11:37,668 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-22 01:11:37,669 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (<= 8 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 (<= ~a1~0 33) .cse1 .cse2) (and (= ~a10~0 1) .cse0 .cse1) (and .cse3 .cse0 (= ~a10~0 0) .cse1) (and .cse3 .cse0 .cse1 .cse2))) [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-22 01:11:37,670 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 179) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-22 01:11:37,671 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:11:37,672 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:11:37,673 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:11:37,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:11:37 BoogieIcfgContainer [2020-12-22 01:11:37,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:11:37,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:11:37,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:11:37,705 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:11:37,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:11:27" (3/4) ... [2020-12-22 01:11:37,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:11:37,731 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:11:37,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:11:37,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:11:37,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:11:37,906 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label13.c-witness.graphml [2020-12-22 01:11:37,907 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:11:37,908 INFO L168 Benchmark]: Toolchain (without parser) took 13450.91 ms. Allocated memory was 151.0 MB in the beginning and 269.5 MB in the end (delta: 118.5 MB). Free memory was 125.6 MB in the beginning and 123.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 121.6 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:37,909 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:11:37,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.69 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 98.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:37,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.59 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 128.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:37,911 INFO L168 Benchmark]: Boogie Preprocessor took 113.77 ms. Allocated memory is still 151.0 MB. Free memory was 128.0 MB in the beginning and 123.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:37,912 INFO L168 Benchmark]: RCFGBuilder took 1490.83 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 80.7 MB in the end (delta: 42.1 MB). Peak memory consumption was 62.5 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:37,913 INFO L168 Benchmark]: TraceAbstraction took 10632.78 ms. Allocated memory was 151.0 MB in the beginning and 269.5 MB in the end (delta: 118.5 MB). Free memory was 80.2 MB in the beginning and 137.9 MB in the end (delta: -57.7 MB). Peak memory consumption was 60.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:37,914 INFO L168 Benchmark]: Witness Printer took 204.06 ms. Allocated memory is still 269.5 MB. Free memory was 137.9 MB in the beginning and 123.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 01:11:37,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 793.69 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 98.8 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 197.59 ms. Allocated memory is still 151.0 MB. Free memory was 98.6 MB in the beginning and 128.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 9.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 113.77 ms. Allocated memory is still 151.0 MB. Free memory was 128.0 MB in the beginning and 123.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1490.83 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 80.7 MB in the end (delta: 42.1 MB). Peak memory consumption was 62.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10632.78 ms. Allocated memory was 151.0 MB in the beginning and 269.5 MB in the end (delta: 118.5 MB). Free memory was 80.2 MB in the beginning and 137.9 MB in the end (delta: -57.7 MB). Peak memory consumption was 60.2 MB. Max. memory is 8.0 GB. * Witness Printer took 204.06 ms. Allocated memory is still 269.5 MB. Free memory was 137.9 MB in the beginning and 123.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 179]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((14 == a4 && a1 <= 33) && a12 == 0) && a19 <= 9)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a10 == 0) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((14 == a4 && a1 <= 33) && a12 == 0) && a19 <= 9)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a10 == 0) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 686 SDtfs, 848 SDslu, 48 SDs, 0 SdLazy, 3640 SolverSat, 546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1533occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 973 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 770 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 178 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1859 NumberOfCodeBlocks, 1859 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1849 ConstructedInterpolants, 0 QuantifiedInterpolants, 1119832 SizeOfPredicates, 0 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1317/1334 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...