/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 01:12:08,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 01:12:08,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 01:12:08,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 01:12:08,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 01:12:08,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 01:12:08,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 01:12:08,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 01:12:08,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 01:12:08,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 01:12:08,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 01:12:08,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 01:12:08,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 01:12:08,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 01:12:08,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 01:12:08,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 01:12:08,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 01:12:08,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 01:12:08,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 01:12:08,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 01:12:08,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 01:12:08,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 01:12:08,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 01:12:08,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 01:12:08,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 01:12:08,530 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 01:12:08,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 01:12:08,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 01:12:08,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 01:12:08,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 01:12:08,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 01:12:08,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 01:12:08,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 01:12:08,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 01:12:08,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 01:12:08,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 01:12:08,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 01:12:08,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 01:12:08,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 01:12:08,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 01:12:08,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 01:12:08,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 01:12:08,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 01:12:08,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 01:12:08,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 01:12:08,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 01:12:08,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 01:12:08,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 01:12:08,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 01:12:08,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 01:12:08,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 01:12:08,990 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 01:12:08,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2020-12-22 01:12:09,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acee4cc2a/12aa0ab0050c4881b6a15fff688dcc9a/FLAGb8570f757 [2020-12-22 01:12:09,913 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 01:12:09,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label30.c [2020-12-22 01:12:09,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acee4cc2a/12aa0ab0050c4881b6a15fff688dcc9a/FLAGb8570f757 [2020-12-22 01:12:10,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acee4cc2a/12aa0ab0050c4881b6a15fff688dcc9a [2020-12-22 01:12:10,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 01:12:10,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 01:12:10,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 01:12:10,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 01:12:10,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 01:12:10,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:10,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b9f3cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10, skipping insertion in model container [2020-12-22 01:12:10,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:10,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 01:12:10,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 01:12:10,471 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_label30.c[4019,4032] [2020-12-22 01:12:10,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:12:10,697 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 01:12:10,729 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_label30.c[4019,4032] [2020-12-22 01:12:10,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 01:12:10,931 INFO L208 MainTranslator]: Completed translation [2020-12-22 01:12:10,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10 WrapperNode [2020-12-22 01:12:10,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 01:12:10,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 01:12:10,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 01:12:10,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 01:12:10,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:10,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 01:12:11,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 01:12:11,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 01:12:11,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 01:12:11,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (1/1) ... [2020-12-22 01:12:11,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 01:12:11,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 01:12:11,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 01:12:11,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 01:12:11,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (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 01:12:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 01:12:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 01:12:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 01:12:11,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 01:12:12,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 01:12:12,749 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 01:12:12,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:12:12 BoogieIcfgContainer [2020-12-22 01:12:12,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 01:12:12,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 01:12:12,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 01:12:12,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 01:12:12,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:12:10" (1/3) ... [2020-12-22 01:12:12,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f46b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:12:12, skipping insertion in model container [2020-12-22 01:12:12,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:12:10" (2/3) ... [2020-12-22 01:12:12,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f46b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:12:12, skipping insertion in model container [2020-12-22 01:12:12,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:12:12" (3/3) ... [2020-12-22 01:12:12,761 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label30.c [2020-12-22 01:12:12,768 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 01:12:12,774 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 01:12:12,794 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 01:12:12,823 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 01:12:12,823 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 01:12:12,823 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 01:12:12,823 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 01:12:12,823 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 01:12:12,823 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 01:12:12,824 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 01:12:12,824 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 01:12:12,846 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-22 01:12:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 01:12:12,854 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:12,855 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] [2020-12-22 01:12:12,855 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:12,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:12,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2020-12-22 01:12:12,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:12,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884725059] [2020-12-22 01:12:12,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:13,290 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 01:12:13,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884725059] [2020-12-22 01:12:13,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:13,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:13,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964146308] [2020-12-22 01:12:13,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:13,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:13,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:13,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:13,325 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-22 01:12:14,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:14,566 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2020-12-22 01:12:14,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:14,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 01:12:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:14,595 INFO L225 Difference]: With dead ends: 567 [2020-12-22 01:12:14,596 INFO L226 Difference]: Without dead ends: 282 [2020-12-22 01:12:14,601 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 01:12:14,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-22 01:12:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-22 01:12:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-22 01:12:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-12-22 01:12:14,664 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 34 [2020-12-22 01:12:14,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:14,665 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-12-22 01:12:14,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-12-22 01:12:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-22 01:12:14,670 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:14,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:14,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 01:12:14,671 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:14,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1202022428, now seen corresponding path program 1 times [2020-12-22 01:12:14,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:14,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586027300] [2020-12-22 01:12:14,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:14,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586027300] [2020-12-22 01:12:14,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:14,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:14,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168803572] [2020-12-22 01:12:14,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:14,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:14,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:14,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:14,933 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-12-22 01:12:15,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:15,611 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-12-22 01:12:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:15,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-12-22 01:12:15,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:15,616 INFO L225 Difference]: With dead ends: 840 [2020-12-22 01:12:15,617 INFO L226 Difference]: Without dead ends: 560 [2020-12-22 01:12:15,619 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 01:12:15,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-22 01:12:15,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-22 01:12:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-22 01:12:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-12-22 01:12:15,651 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 104 [2020-12-22 01:12:15,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:15,652 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-12-22 01:12:15,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-12-22 01:12:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-22 01:12:15,660 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:15,660 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:15,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 01:12:15,660 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:15,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:15,661 INFO L82 PathProgramCache]: Analyzing trace with hash -560431948, now seen corresponding path program 1 times [2020-12-22 01:12:15,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:15,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204014156] [2020-12-22 01:12:15,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:15,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204014156] [2020-12-22 01:12:15,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975491487] [2020-12-22 01:12:15,840 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 01:12:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:15,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:12:15,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:12:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:16,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:12:16,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-22 01:12:16,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197500587] [2020-12-22 01:12:16,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:16,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:16,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:16,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:12:16,083 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-12-22 01:12:16,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:16,777 INFO L93 Difference]: Finished difference Result 1396 states and 1867 transitions. [2020-12-22 01:12:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:16,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-22 01:12:16,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:16,785 INFO L225 Difference]: With dead ends: 1396 [2020-12-22 01:12:16,785 INFO L226 Difference]: Without dead ends: 838 [2020-12-22 01:12:16,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:12:16,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-22 01:12:16,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-22 01:12:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-22 01:12:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1083 transitions. [2020-12-22 01:12:16,814 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1083 transitions. Word has length 109 [2020-12-22 01:12:16,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:16,815 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1083 transitions. [2020-12-22 01:12:16,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1083 transitions. [2020-12-22 01:12:16,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-22 01:12:16,819 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:16,819 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:17,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-22 01:12:17,034 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:17,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:17,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1284961652, now seen corresponding path program 1 times [2020-12-22 01:12:17,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:17,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892661310] [2020-12-22 01:12:17,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:17,418 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-12-22 01:12:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:17,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892661310] [2020-12-22 01:12:17,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:17,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:17,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211590317] [2020-12-22 01:12:17,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:17,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:17,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:17,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:17,470 INFO L87 Difference]: Start difference. First operand 838 states and 1083 transitions. Second operand 3 states. [2020-12-22 01:12:18,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:18,322 INFO L93 Difference]: Finished difference Result 2230 states and 2835 transitions. [2020-12-22 01:12:18,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:18,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-12-22 01:12:18,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:18,342 INFO L225 Difference]: With dead ends: 2230 [2020-12-22 01:12:18,343 INFO L226 Difference]: Without dead ends: 1394 [2020-12-22 01:12:18,345 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 01:12:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-22 01:12:18,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-12-22 01:12:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-22 01:12:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1505 transitions. [2020-12-22 01:12:18,375 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1505 transitions. Word has length 125 [2020-12-22 01:12:18,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:18,376 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1505 transitions. [2020-12-22 01:12:18,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1505 transitions. [2020-12-22 01:12:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-22 01:12:18,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:18,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:18,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 01:12:18,381 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:18,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:18,382 INFO L82 PathProgramCache]: Analyzing trace with hash -126231163, now seen corresponding path program 1 times [2020-12-22 01:12:18,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:18,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723776362] [2020-12-22 01:12:18,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:18,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723776362] [2020-12-22 01:12:18,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:18,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 01:12:18,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082719736] [2020-12-22 01:12:18,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:18,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:18,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:18,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:18,526 INFO L87 Difference]: Start difference. First operand 1255 states and 1505 transitions. Second operand 3 states. [2020-12-22 01:12:19,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:19,252 INFO L93 Difference]: Finished difference Result 2647 states and 3157 transitions. [2020-12-22 01:12:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:19,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-22 01:12:19,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:19,260 INFO L225 Difference]: With dead ends: 2647 [2020-12-22 01:12:19,261 INFO L226 Difference]: Without dead ends: 1394 [2020-12-22 01:12:19,263 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 01:12:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-22 01:12:19,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-12-22 01:12:19,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-12-22 01:12:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1649 transitions. [2020-12-22 01:12:19,295 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1649 transitions. Word has length 126 [2020-12-22 01:12:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:19,296 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1649 transitions. [2020-12-22 01:12:19,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1649 transitions. [2020-12-22 01:12:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-22 01:12:19,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:19,299 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:12:19,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 01:12:19,299 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:19,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:19,300 INFO L82 PathProgramCache]: Analyzing trace with hash 334684273, now seen corresponding path program 1 times [2020-12-22 01:12:19,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:19,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088563368] [2020-12-22 01:12:19,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-22 01:12:19,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088563368] [2020-12-22 01:12:19,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:19,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:12:19,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232427435] [2020-12-22 01:12:19,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:19,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:19,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:19,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:19,492 INFO L87 Difference]: Start difference. First operand 1394 states and 1649 transitions. Second operand 3 states. [2020-12-22 01:12:20,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:20,342 INFO L93 Difference]: Finished difference Result 2925 states and 3521 transitions. [2020-12-22 01:12:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:20,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2020-12-22 01:12:20,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:20,351 INFO L225 Difference]: With dead ends: 2925 [2020-12-22 01:12:20,351 INFO L226 Difference]: Without dead ends: 1672 [2020-12-22 01:12:20,353 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 01:12:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-12-22 01:12:20,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-12-22 01:12:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-12-22 01:12:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1952 transitions. [2020-12-22 01:12:20,390 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1952 transitions. Word has length 192 [2020-12-22 01:12:20,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:20,390 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1952 transitions. [2020-12-22 01:12:20,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1952 transitions. [2020-12-22 01:12:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-22 01:12:20,394 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:20,394 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-22 01:12:20,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 01:12:20,395 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:20,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:20,395 INFO L82 PathProgramCache]: Analyzing trace with hash -624322341, now seen corresponding path program 1 times [2020-12-22 01:12:20,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:20,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984682285] [2020-12-22 01:12:20,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-22 01:12:20,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984682285] [2020-12-22 01:12:20,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896416501] [2020-12-22 01:12:20,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:20,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:12:20,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:12:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-12-22 01:12:21,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:12:21,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-22 01:12:21,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102771426] [2020-12-22 01:12:21,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:21,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:21,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:21,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:12:21,046 INFO L87 Difference]: Start difference. First operand 1672 states and 1952 transitions. Second operand 3 states. [2020-12-22 01:12:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:21,736 INFO L93 Difference]: Finished difference Result 2508 states and 2933 transitions. [2020-12-22 01:12:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:21,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-12-22 01:12:21,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:21,748 INFO L225 Difference]: With dead ends: 2508 [2020-12-22 01:12:21,749 INFO L226 Difference]: Without dead ends: 2506 [2020-12-22 01:12:21,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 01:12:21,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-12-22 01:12:21,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1811. [2020-12-22 01:12:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-12-22 01:12:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2141 transitions. [2020-12-22 01:12:21,795 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2141 transitions. Word has length 193 [2020-12-22 01:12:21,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:21,796 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2141 transitions. [2020-12-22 01:12:21,796 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2141 transitions. [2020-12-22 01:12:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-22 01:12:21,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:21,799 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:22,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:22,015 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:22,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:22,017 INFO L82 PathProgramCache]: Analyzing trace with hash 543736396, now seen corresponding path program 1 times [2020-12-22 01:12:22,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:22,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596064484] [2020-12-22 01:12:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:22,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596064484] [2020-12-22 01:12:22,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:22,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 01:12:22,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812929548] [2020-12-22 01:12:22,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:22,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:22,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:22,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 01:12:22,160 INFO L87 Difference]: Start difference. First operand 1811 states and 2141 transitions. Second operand 3 states. [2020-12-22 01:12:22,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:22,901 INFO L93 Difference]: Finished difference Result 3898 states and 4694 transitions. [2020-12-22 01:12:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:22,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-12-22 01:12:22,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:22,918 INFO L225 Difference]: With dead ends: 3898 [2020-12-22 01:12:22,918 INFO L226 Difference]: Without dead ends: 2228 [2020-12-22 01:12:22,923 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 01:12:22,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-12-22 01:12:22,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2089. [2020-12-22 01:12:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-22 01:12:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2440 transitions. [2020-12-22 01:12:22,970 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2440 transitions. Word has length 194 [2020-12-22 01:12:22,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:22,971 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2440 transitions. [2020-12-22 01:12:22,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2440 transitions. [2020-12-22 01:12:22,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-22 01:12:22,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:22,976 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 01:12:22,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 01:12:22,977 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:22,978 INFO L82 PathProgramCache]: Analyzing trace with hash -556479966, now seen corresponding path program 1 times [2020-12-22 01:12:22,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:22,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973025650] [2020-12-22 01:12:22,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-22 01:12:23,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973025650] [2020-12-22 01:12:23,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:23,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 01:12:23,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209494398] [2020-12-22 01:12:23,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 01:12:23,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:23,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 01:12:23,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:12:23,474 INFO L87 Difference]: Start difference. First operand 2089 states and 2440 transitions. Second operand 7 states. [2020-12-22 01:12:24,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:24,138 INFO L93 Difference]: Finished difference Result 4092 states and 4789 transitions. [2020-12-22 01:12:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 01:12:24,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 246 [2020-12-22 01:12:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:24,148 INFO L225 Difference]: With dead ends: 4092 [2020-12-22 01:12:24,148 INFO L226 Difference]: Without dead ends: 2089 [2020-12-22 01:12:24,152 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 01:12:24,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-12-22 01:12:24,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-12-22 01:12:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-22 01:12:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2429 transitions. [2020-12-22 01:12:24,196 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2429 transitions. Word has length 246 [2020-12-22 01:12:24,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:24,196 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2429 transitions. [2020-12-22 01:12:24,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 01:12:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2429 transitions. [2020-12-22 01:12:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-12-22 01:12:24,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:24,202 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:24,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 01:12:24,203 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:24,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:24,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1050013116, now seen corresponding path program 1 times [2020-12-22 01:12:24,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:24,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095792674] [2020-12-22 01:12:24,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 01:12:24,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095792674] [2020-12-22 01:12:24,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 01:12:24,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 01:12:24,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683066936] [2020-12-22 01:12:24,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 01:12:24,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:24,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 01:12:24,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:12:24,520 INFO L87 Difference]: Start difference. First operand 2089 states and 2429 transitions. Second operand 4 states. [2020-12-22 01:12:25,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:25,545 INFO L93 Difference]: Finished difference Result 4315 states and 5054 transitions. [2020-12-22 01:12:25,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 01:12:25,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 282 [2020-12-22 01:12:25,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:25,557 INFO L225 Difference]: With dead ends: 4315 [2020-12-22 01:12:25,557 INFO L226 Difference]: Without dead ends: 2367 [2020-12-22 01:12:25,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-22 01:12:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-12-22 01:12:25,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2020-12-22 01:12:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-12-22 01:12:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2696 transitions. [2020-12-22 01:12:25,615 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2696 transitions. Word has length 282 [2020-12-22 01:12:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:25,616 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2696 transitions. [2020-12-22 01:12:25,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 01:12:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2696 transitions. [2020-12-22 01:12:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-12-22 01:12:25,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:25,622 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:25,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 01:12:25,623 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:25,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:25,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1732473944, now seen corresponding path program 1 times [2020-12-22 01:12:25,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:25,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063823696] [2020-12-22 01:12:25,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 20 proven. 75 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-22 01:12:26,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063823696] [2020-12-22 01:12:26,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531258686] [2020-12-22 01:12:26,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:26,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 01:12:26,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:12:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-22 01:12:26,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:12:26,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-22 01:12:26,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777748193] [2020-12-22 01:12:26,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:26,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:26,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:26,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:12:26,542 INFO L87 Difference]: Start difference. First operand 2367 states and 2696 transitions. Second operand 3 states. [2020-12-22 01:12:27,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:27,268 INFO L93 Difference]: Finished difference Result 3203 states and 3591 transitions. [2020-12-22 01:12:27,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:27,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 295 [2020-12-22 01:12:27,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:27,312 INFO L225 Difference]: With dead ends: 3203 [2020-12-22 01:12:27,312 INFO L226 Difference]: Without dead ends: 3201 [2020-12-22 01:12:27,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-22 01:12:27,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2020-12-22 01:12:27,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 2228. [2020-12-22 01:12:27,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-12-22 01:12:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2538 transitions. [2020-12-22 01:12:27,438 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2538 transitions. Word has length 295 [2020-12-22 01:12:27,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:27,439 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2538 transitions. [2020-12-22 01:12:27,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2538 transitions. [2020-12-22 01:12:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-12-22 01:12:27,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 01:12:27,452 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:27,667 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 01:12:27,667 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 01:12:27,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 01:12:27,668 INFO L82 PathProgramCache]: Analyzing trace with hash -993176621, now seen corresponding path program 1 times [2020-12-22 01:12:27,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 01:12:27,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912815054] [2020-12-22 01:12:27,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 01:12:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 10 proven. 261 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-22 01:12:28,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912815054] [2020-12-22 01:12:28,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493183913] [2020-12-22 01:12:28,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 01:12:28,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 01:12:28,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 01:12:29,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 01:12:29,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 01:12:29,146 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 01:12:29,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 01:12:29,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-22 01:12:29,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-22 01:12:29,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:12:29,240 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:12:29,244 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-22 01:12:29,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:12:29,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 01:12:29,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-22 01:12:29,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-22 01:12:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-12-22 01:12:29,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 01:12:29,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-22 01:12:29,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761726601] [2020-12-22 01:12:29,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 01:12:29,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 01:12:29,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 01:12:29,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:12:29,439 INFO L87 Difference]: Start difference. First operand 2228 states and 2538 transitions. Second operand 3 states. [2020-12-22 01:12:30,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 01:12:30,477 INFO L93 Difference]: Finished difference Result 5008 states and 5743 transitions. [2020-12-22 01:12:30,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 01:12:30,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 331 [2020-12-22 01:12:30,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 01:12:30,478 INFO L225 Difference]: With dead ends: 5008 [2020-12-22 01:12:30,478 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 01:12:30,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 01:12:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 01:12:30,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 01:12:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 01:12:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 01:12:30,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2020-12-22 01:12:30,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 01:12:30,485 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 01:12:30,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 01:12:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 01:12:30,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 01:12:30,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 01:12:30,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 01:12:30,813 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-12-22 01:12:31,204 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-22 01:12:31,521 WARN L197 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-22 01:12:31,527 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-22 01:12:31,527 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-22 01:12:31,527 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-22 01:12:31,528 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-22 01:12:31,528 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-22 01:12:31,528 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-22 01:12:31,529 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,529 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,529 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,529 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,529 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,529 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,529 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-22 01:12:31,530 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 01:12:31,530 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-22 01:12:31,530 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-22 01:12:31,530 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-22 01:12:31,530 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-22 01:12:31,532 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-22 01:12:31,532 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-22 01:12:31,532 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-22 01:12:31,532 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-22 01:12:31,532 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-22 01:12:31,533 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-22 01:12:31,533 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-22 01:12:31,534 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,534 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,534 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,534 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,534 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,534 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,534 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-22 01:12:31,535 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-22 01:12:31,535 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-22 01:12:31,535 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-22 01:12:31,535 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-22 01:12:31,535 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,536 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-22 01:12:31,537 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-22 01:12:31,538 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-22 01:12:31,538 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-22 01:12:31,538 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-22 01:12:31,538 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-22 01:12:31,538 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-22 01:12:31,538 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-22 01:12:31,539 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-22 01:12:31,539 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-22 01:12:31,540 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,540 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-22 01:12:31,541 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,542 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,543 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-22 01:12:31,544 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,545 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,546 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,546 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,546 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,546 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-22 01:12:31,546 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 01:12:31,546 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-22 01:12:31,549 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-22 01:12:31,549 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-22 01:12:31,549 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-22 01:12:31,549 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-22 01:12:31,550 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse1 (< (div (+ (* ~a1~0 (- 1)) 206) (- 89)) 1)) (.cse5 (<= 8 ~a19~0)) (.cse4 (= ~a10~0 1)) (.cse7 (<= 9 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse6 (= ~a10~0 0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and (< 218 ~a1~0) .cse4 .cse0 .cse2) (and .cse5 .cse0 (= ~a10~0 2) .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2) (and .cse7 .cse0 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 (= ~a10~0 4)) (and (= ~a19~0 8) .cse4 .cse0 .cse2) (and .cse4 .cse7 .cse0 .cse2) (and .cse0 .cse6 .cse2 .cse3))) [2020-12-22 01:12:31,550 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-22 01:12:31,550 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-22 01:12:31,550 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-22 01:12:31,550 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-22 01:12:31,551 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-22 01:12:31,552 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-22 01:12:31,553 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-22 01:12:31,553 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 01:12:31,553 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,553 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,553 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,553 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,554 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,554 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-22 01:12:31,554 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,555 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-22 01:12:31,556 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-22 01:12:31,557 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse1 (< (div (+ (* ~a1~0 (- 1)) 206) (- 89)) 1)) (.cse5 (<= 8 ~a19~0)) (.cse4 (= ~a10~0 1)) (.cse7 (<= 9 ~a19~0)) (.cse0 (= 14 ~a4~0)) (.cse6 (= ~a10~0 0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3) (and (< 218 ~a1~0) .cse4 .cse0 .cse2) (and .cse5 .cse0 (= ~a10~0 2) .cse2 .cse3) (and .cse0 .cse6 .cse1 .cse2) (and .cse7 .cse0 .cse2 .cse3) (and .cse5 .cse0 .cse2 .cse3 (= ~a10~0 4)) (and (= ~a19~0 8) .cse4 .cse0 .cse2) (and .cse4 .cse7 .cse0 .cse2) (and .cse0 .cse6 .cse2 .cse3))) [2020-12-22 01:12:31,558 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-22 01:12:31,558 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,558 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,558 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,558 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,558 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-22 01:12:31,560 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,560 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,560 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-22 01:12:31,560 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-22 01:12:31,560 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-22 01:12:31,560 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-22 01:12:31,560 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-22 01:12:31,561 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-22 01:12:31,561 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-22 01:12:31,561 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-22 01:12:31,561 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-22 01:12:31,561 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 01:12:31,562 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2020-12-22 01:12:31,562 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-22 01:12:31,562 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-22 01:12:31,562 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-22 01:12:31,562 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-22 01:12:31,562 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-22 01:12:31,563 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-22 01:12:31,564 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-22 01:12:31,564 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-22 01:12:31,564 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-22 01:12:31,564 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-22 01:12:31,564 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-22 01:12:31,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:12:31 BoogieIcfgContainer [2020-12-22 01:12:31,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 01:12:31,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 01:12:31,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 01:12:31,659 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 01:12:31,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:12:12" (3/4) ... [2020-12-22 01:12:31,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 01:12:31,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-22 01:12:31,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 01:12:31,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:31,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 01:12:31,991 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label30.c-witness.graphml [2020-12-22 01:12:31,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 01:12:31,993 INFO L168 Benchmark]: Toolchain (without parser) took 21864.11 ms. Allocated memory was 154.1 MB in the beginning and 433.1 MB in the end (delta: 278.9 MB). Free memory was 127.2 MB in the beginning and 226.1 MB in the end (delta: -98.9 MB). Peak memory consumption was 181.1 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:31,993 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 154.1 MB. Free memory was 126.7 MB in the beginning and 126.6 MB in the end (delta: 137.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 01:12:31,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.42 ms. Allocated memory is still 154.1 MB. Free memory was 127.0 MB in the beginning and 131.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:31,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.43 ms. Allocated memory is still 154.1 MB. Free memory was 131.2 MB in the beginning and 123.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:31,994 INFO L168 Benchmark]: Boogie Preprocessor took 131.38 ms. Allocated memory is still 154.1 MB. Free memory was 123.3 MB in the beginning and 118.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:31,995 INFO L168 Benchmark]: RCFGBuilder took 1575.29 ms. Allocated memory is still 154.1 MB. Free memory was 117.6 MB in the beginning and 95.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 76.8 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:31,995 INFO L168 Benchmark]: TraceAbstraction took 18903.28 ms. Allocated memory was 154.1 MB in the beginning and 433.1 MB in the end (delta: 278.9 MB). Free memory was 94.8 MB in the beginning and 241.3 MB in the end (delta: -146.5 MB). Peak memory consumption was 132.4 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:31,996 INFO L168 Benchmark]: Witness Printer took 334.62 ms. Allocated memory is still 433.1 MB. Free memory was 241.3 MB in the beginning and 226.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 01:12:31,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 154.1 MB. Free memory was 126.7 MB in the beginning and 126.6 MB in the end (delta: 137.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 797.42 ms. Allocated memory is still 154.1 MB. Free memory was 127.0 MB in the beginning and 131.2 MB in the end (delta: -4.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 107.43 ms. Allocated memory is still 154.1 MB. Free memory was 131.2 MB in the beginning and 123.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 131.38 ms. Allocated memory is still 154.1 MB. Free memory was 123.3 MB in the beginning and 118.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1575.29 ms. Allocated memory is still 154.1 MB. Free memory was 117.6 MB in the beginning and 95.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 76.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18903.28 ms. Allocated memory was 154.1 MB in the beginning and 433.1 MB in the end (delta: 278.9 MB). Free memory was 94.8 MB in the beginning and 241.3 MB in the end (delta: -146.5 MB). Peak memory consumption was 132.4 MB. Max. memory is 8.0 GB. * Witness Printer took 334.62 ms. Allocated memory is still 433.1 MB. Free memory was 241.3 MB in the beginning and 226.1 MB in the end (delta: 15.2 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: 116]: 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 && (a1 * -1 + 206) / -89 < 1) && a12 == 0) && a19 <= 9) || (((218 < a1 && a10 == 1) && 14 == a4) && a12 == 0)) || ((((8 <= a19 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 0) && (a1 * -1 + 206) / -89 < 1) && a12 == 0)) || (((9 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) && a10 == 4)) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((14 == a4 && (a1 * -1 + 206) / -89 < 1) && a12 == 0) && a19 <= 9) || (((218 < a1 && a10 == 1) && 14 == a4) && a12 == 0)) || ((((8 <= a19 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 0) && (a1 * -1 + 206) / -89 < 1) && a12 == 0)) || (((9 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) && a10 == 4)) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && 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: 17.8s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 947 SDtfs, 1437 SDslu, 58 SDs, 0 SdLazy, 4654 SolverSat, 718 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 964 GetRequests, 935 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2367occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 49 NumberOfFragments, 273 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1700 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 3159 NumberOfCodeBlocks, 3159 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3143 ConstructedInterpolants, 0 QuantifiedInterpolants, 3479805 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1424 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 2154/2553 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...