/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/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-21 23:29:11,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-21 23:29:11,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-21 23:29:11,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-21 23:29:11,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-21 23:29:11,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-21 23:29:11,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-21 23:29:11,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-21 23:29:11,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-21 23:29:11,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-21 23:29:11,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-21 23:29:11,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-21 23:29:11,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-21 23:29:11,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-21 23:29:11,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-21 23:29:11,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-21 23:29:11,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-21 23:29:11,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-21 23:29:11,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-21 23:29:11,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-21 23:29:11,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-21 23:29:11,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-21 23:29:11,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-21 23:29:11,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-21 23:29:11,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-21 23:29:11,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-21 23:29:11,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-21 23:29:11,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-21 23:29:11,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-21 23:29:11,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-21 23:29:11,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-21 23:29:11,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-21 23:29:11,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-21 23:29:11,584 INFO L138 SettingsManager]: * Use SBE=true [2020-12-21 23:29:11,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-21 23:29:11,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-21 23:29:11,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-21 23:29:11,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-21 23:29:11,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-21 23:29:11,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-21 23:29:11,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-21 23:29:11,586 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-21 23:29:11,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-21 23:29:11,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-21 23:29:11,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-21 23:29:11,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-21 23:29:11,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-21 23:29:11,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-21 23:29:11,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-21 23:29:11,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-21 23:29:11,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-21 23:29:11,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-21 23:29:11,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-21 23:29:11,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-21 23:29:11,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-21 23:29:11,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-21 23:29:12,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-21 23:29:12,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-21 23:29:12,015 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-21 23:29:12,016 INFO L275 PluginConnector]: CDTParser initialized [2020-12-21 23:29:12,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2020-12-21 23:29:12,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448e7a470/9d55e5969f2845638cb4c1e9766201dc/FLAGddcde3e8c [2020-12-21 23:29:12,856 INFO L306 CDTParser]: Found 1 translation units. [2020-12-21 23:29:12,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2020-12-21 23:29:12,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448e7a470/9d55e5969f2845638cb4c1e9766201dc/FLAGddcde3e8c [2020-12-21 23:29:13,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/448e7a470/9d55e5969f2845638cb4c1e9766201dc [2020-12-21 23:29:13,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-21 23:29:13,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-21 23:29:13,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-21 23:29:13,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-21 23:29:13,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-21 23:29:13,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:13,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42264316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13, skipping insertion in model container [2020-12-21 23:29:13,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:13,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-21 23:29:13,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-21 23:29:13,689 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/Problem02_label26.c[20881,20894] [2020-12-21 23:29:13,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:29:13,750 INFO L203 MainTranslator]: Completed pre-run [2020-12-21 23:29:13,907 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/Problem02_label26.c[20881,20894] [2020-12-21 23:29:13,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-21 23:29:13,966 INFO L208 MainTranslator]: Completed translation [2020-12-21 23:29:13,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13 WrapperNode [2020-12-21 23:29:13,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-21 23:29:13,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-21 23:29:13,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-21 23:29:13,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-21 23:29:13,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-21 23:29:14,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-21 23:29:14,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-21 23:29:14,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-21 23:29:14,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (1/1) ... [2020-12-21 23:29:14,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-21 23:29:14,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-21 23:29:14,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-21 23:29:14,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-21 23:29:14,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (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 [2020-12-21 23:29:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-21 23:29:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-21 23:29:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-21 23:29:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-21 23:29:15,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-21 23:29:15,699 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-21 23:29:15,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:29:15 BoogieIcfgContainer [2020-12-21 23:29:15,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-21 23:29:15,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-21 23:29:15,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-21 23:29:15,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-21 23:29:15,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:29:13" (1/3) ... [2020-12-21 23:29:15,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289613f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:29:15, skipping insertion in model container [2020-12-21 23:29:15,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:29:13" (2/3) ... [2020-12-21 23:29:15,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289613f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:29:15, skipping insertion in model container [2020-12-21 23:29:15,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:29:15" (3/3) ... [2020-12-21 23:29:15,712 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2020-12-21 23:29:15,719 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-21 23:29:15,725 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-21 23:29:15,747 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-21 23:29:15,778 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-21 23:29:15,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-21 23:29:15,778 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-21 23:29:15,779 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-21 23:29:15,779 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-21 23:29:15,779 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-21 23:29:15,779 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-21 23:29:15,779 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-21 23:29:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-12-21 23:29:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-21 23:29:15,816 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:29:15,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:29:15,817 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:29:15,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:29:15,825 INFO L82 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2020-12-21 23:29:15,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:29:15,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308878554] [2020-12-21 23:29:15,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:29:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:29:16,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308878554] [2020-12-21 23:29:16,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:29:16,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:29:16,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588124771] [2020-12-21 23:29:16,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:29:16,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:29:16,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:29:16,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:29:16,504 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2020-12-21 23:29:17,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:29:17,303 INFO L93 Difference]: Finished difference Result 600 states and 1037 transitions. [2020-12-21 23:29:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:29:17,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-12-21 23:29:17,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:29:17,323 INFO L225 Difference]: With dead ends: 600 [2020-12-21 23:29:17,323 INFO L226 Difference]: Without dead ends: 309 [2020-12-21 23:29:17,329 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 [2020-12-21 23:29:17,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-12-21 23:29:17,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2020-12-21 23:29:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-12-21 23:29:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 407 transitions. [2020-12-21 23:29:17,414 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 407 transitions. Word has length 136 [2020-12-21 23:29:17,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:29:17,417 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 407 transitions. [2020-12-21 23:29:17,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:29:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 407 transitions. [2020-12-21 23:29:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-21 23:29:17,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:29:17,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:29:17,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-21 23:29:17,434 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:29:17,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:29:17,435 INFO L82 PathProgramCache]: Analyzing trace with hash 657347312, now seen corresponding path program 1 times [2020-12-21 23:29:17,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:29:17,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457819720] [2020-12-21 23:29:17,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:29:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-21 23:29:17,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457819720] [2020-12-21 23:29:17,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:29:17,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:29:17,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334885484] [2020-12-21 23:29:17,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:29:17,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:29:17,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:29:17,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:29:17,770 INFO L87 Difference]: Start difference. First operand 307 states and 407 transitions. Second operand 3 states. [2020-12-21 23:29:18,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:29:18,521 INFO L93 Difference]: Finished difference Result 893 states and 1184 transitions. [2020-12-21 23:29:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:29:18,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-12-21 23:29:18,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:29:18,528 INFO L225 Difference]: With dead ends: 893 [2020-12-21 23:29:18,528 INFO L226 Difference]: Without dead ends: 588 [2020-12-21 23:29:18,530 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 [2020-12-21 23:29:18,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2020-12-21 23:29:18,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 448. [2020-12-21 23:29:18,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-12-21 23:29:18,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 622 transitions. [2020-12-21 23:29:18,576 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 622 transitions. Word has length 141 [2020-12-21 23:29:18,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:29:18,576 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 622 transitions. [2020-12-21 23:29:18,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:29:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 622 transitions. [2020-12-21 23:29:18,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-21 23:29:18,579 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:29:18,579 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:29:18,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-21 23:29:18,580 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:29:18,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:29:18,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1739122209, now seen corresponding path program 1 times [2020-12-21 23:29:18,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:29:18,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701324635] [2020-12-21 23:29:18,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:29:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:29:18,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701324635] [2020-12-21 23:29:18,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:29:18,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:29:18,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141951986] [2020-12-21 23:29:18,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:29:18,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:29:18,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:29:18,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:29:18,651 INFO L87 Difference]: Start difference. First operand 448 states and 622 transitions. Second operand 3 states. [2020-12-21 23:29:18,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:29:18,985 INFO L93 Difference]: Finished difference Result 884 states and 1228 transitions. [2020-12-21 23:29:18,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:29:18,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-12-21 23:29:18,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:29:18,990 INFO L225 Difference]: With dead ends: 884 [2020-12-21 23:29:18,991 INFO L226 Difference]: Without dead ends: 438 [2020-12-21 23:29:18,993 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 [2020-12-21 23:29:18,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-12-21 23:29:19,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2020-12-21 23:29:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-12-21 23:29:19,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2020-12-21 23:29:19,030 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 147 [2020-12-21 23:29:19,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:29:19,031 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2020-12-21 23:29:19,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:29:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2020-12-21 23:29:19,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-21 23:29:19,036 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:29:19,037 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:29:19,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-21 23:29:19,039 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:29:19,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:29:19,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1061904177, now seen corresponding path program 1 times [2020-12-21 23:29:19,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:29:19,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970085368] [2020-12-21 23:29:19,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:29:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:29:19,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970085368] [2020-12-21 23:29:19,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:29:19,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:29:19,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475352831] [2020-12-21 23:29:19,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:29:19,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:29:19,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:29:19,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:29:19,210 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2020-12-21 23:29:19,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:29:19,913 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2020-12-21 23:29:19,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:29:19,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-12-21 23:29:19,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:29:19,920 INFO L225 Difference]: With dead ends: 1017 [2020-12-21 23:29:19,920 INFO L226 Difference]: Without dead ends: 581 [2020-12-21 23:29:19,922 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 [2020-12-21 23:29:19,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-12-21 23:29:19,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2020-12-21 23:29:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-12-21 23:29:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2020-12-21 23:29:19,962 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 159 [2020-12-21 23:29:19,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:29:19,963 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2020-12-21 23:29:19,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:29:19,963 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2020-12-21 23:29:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-21 23:29:19,966 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:29:19,966 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:29:19,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-21 23:29:19,967 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:29:19,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:29:19,968 INFO L82 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2020-12-21 23:29:19,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:29:19,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67963798] [2020-12-21 23:29:19,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:29:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-21 23:29:20,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67963798] [2020-12-21 23:29:20,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630839704] [2020-12-21 23:29:20,413 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 [2020-12-21 23:29:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:20,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-21 23:29:20,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-21 23:29:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-21 23:29:20,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-21 23:29:20,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-21 23:29:20,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064969169] [2020-12-21 23:29:20,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:29:20,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:29:20,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:29:20,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-21 23:29:20,807 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2020-12-21 23:29:21,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:29:21,413 INFO L93 Difference]: Finished difference Result 1585 states and 2049 transitions. [2020-12-21 23:29:21,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:29:21,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-12-21 23:29:21,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:29:21,421 INFO L225 Difference]: With dead ends: 1585 [2020-12-21 23:29:21,421 INFO L226 Difference]: Without dead ends: 1008 [2020-12-21 23:29:21,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-21 23:29:21,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-12-21 23:29:21,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 867. [2020-12-21 23:29:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-21 23:29:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1074 transitions. [2020-12-21 23:29:21,460 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1074 transitions. Word has length 163 [2020-12-21 23:29:21,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:29:21,462 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1074 transitions. [2020-12-21 23:29:21,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:29:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1074 transitions. [2020-12-21 23:29:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-21 23:29:21,466 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:29:21,466 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:29:21,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-21 23:29:21,681 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:29:21,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:29:21,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1875550819, now seen corresponding path program 1 times [2020-12-21 23:29:21,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:29:21,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000176665] [2020-12-21 23:29:21,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:29:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-21 23:29:21,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000176665] [2020-12-21 23:29:21,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:29:21,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-21 23:29:21,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950864801] [2020-12-21 23:29:21,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:29:21,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:29:21,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:29:21,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:29:21,789 INFO L87 Difference]: Start difference. First operand 867 states and 1074 transitions. Second operand 3 states. [2020-12-21 23:29:22,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:29:22,351 INFO L93 Difference]: Finished difference Result 1726 states and 2137 transitions. [2020-12-21 23:29:22,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:29:22,352 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-12-21 23:29:22,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:29:22,357 INFO L225 Difference]: With dead ends: 1726 [2020-12-21 23:29:22,357 INFO L226 Difference]: Without dead ends: 861 [2020-12-21 23:29:22,359 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 [2020-12-21 23:29:22,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-12-21 23:29:22,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-12-21 23:29:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-12-21 23:29:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 985 transitions. [2020-12-21 23:29:22,383 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 985 transitions. Word has length 167 [2020-12-21 23:29:22,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:29:22,384 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 985 transitions. [2020-12-21 23:29:22,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:29:22,384 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 985 transitions. [2020-12-21 23:29:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-12-21 23:29:22,389 INFO L414 BasicCegarLoop]: Found error trace [2020-12-21 23:29:22,389 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-21 23:29:22,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-21 23:29:22,390 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-21 23:29:22,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-21 23:29:22,390 INFO L82 PathProgramCache]: Analyzing trace with hash 901541662, now seen corresponding path program 1 times [2020-12-21 23:29:22,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-21 23:29:22,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070229779] [2020-12-21 23:29:22,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-21 23:29:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-21 23:29:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-21 23:29:22,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070229779] [2020-12-21 23:29:22,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-21 23:29:22,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-21 23:29:22,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139777873] [2020-12-21 23:29:22,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-21 23:29:22,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-21 23:29:22,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-21 23:29:22,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-21 23:29:22,544 INFO L87 Difference]: Start difference. First operand 861 states and 985 transitions. Second operand 3 states. [2020-12-21 23:29:23,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-21 23:29:23,094 INFO L93 Difference]: Finished difference Result 2278 states and 2587 transitions. [2020-12-21 23:29:23,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-21 23:29:23,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-12-21 23:29:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-21 23:29:23,095 INFO L225 Difference]: With dead ends: 2278 [2020-12-21 23:29:23,096 INFO L226 Difference]: Without dead ends: 0 [2020-12-21 23:29:23,099 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 [2020-12-21 23:29:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-21 23:29:23,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-21 23:29:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-21 23:29:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-21 23:29:23,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-12-21 23:29:23,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-21 23:29:23,101 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-21 23:29:23,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-21 23:29:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-21 23:29:23,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-21 23:29:23,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-21 23:29:23,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-21 23:29:23,266 INFO L189 CegarLoopUtils]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,266 INFO L189 CegarLoopUtils]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,266 INFO L189 CegarLoopUtils]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,266 INFO L189 CegarLoopUtils]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-12-21 23:29:23,267 INFO L189 CegarLoopUtils]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-12-21 23:29:23,267 INFO L189 CegarLoopUtils]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-12-21 23:29:23,267 INFO L189 CegarLoopUtils]: For program point L566(line 566) no Hoare annotation was computed. [2020-12-21 23:29:23,267 INFO L189 CegarLoopUtils]: For program point L500(line 500) no Hoare annotation was computed. [2020-12-21 23:29:23,267 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2020-12-21 23:29:23,267 INFO L189 CegarLoopUtils]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-12-21 23:29:23,267 INFO L189 CegarLoopUtils]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-12-21 23:29:23,268 INFO L189 CegarLoopUtils]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,268 INFO L189 CegarLoopUtils]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,268 INFO L189 CegarLoopUtils]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,268 INFO L189 CegarLoopUtils]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-12-21 23:29:23,268 INFO L189 CegarLoopUtils]: For program point L569(line 569) no Hoare annotation was computed. [2020-12-21 23:29:23,268 INFO L189 CegarLoopUtils]: For program point L503(line 503) no Hoare annotation was computed. [2020-12-21 23:29:23,268 INFO L189 CegarLoopUtils]: For program point L437(line 437) no Hoare annotation was computed. [2020-12-21 23:29:23,269 INFO L189 CegarLoopUtils]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-12-21 23:29:23,269 INFO L189 CegarLoopUtils]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,269 INFO L189 CegarLoopUtils]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,269 INFO L189 CegarLoopUtils]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,269 INFO L189 CegarLoopUtils]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-12-21 23:29:23,269 INFO L189 CegarLoopUtils]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-12-21 23:29:23,269 INFO L189 CegarLoopUtils]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-12-21 23:29:23,270 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2020-12-21 23:29:23,270 INFO L189 CegarLoopUtils]: For program point L506(line 506) no Hoare annotation was computed. [2020-12-21 23:29:23,270 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2020-12-21 23:29:23,270 INFO L189 CegarLoopUtils]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-12-21 23:29:23,270 INFO L189 CegarLoopUtils]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-12-21 23:29:23,270 INFO L189 CegarLoopUtils]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-12-21 23:29:23,271 INFO L189 CegarLoopUtils]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-12-21 23:29:23,271 INFO L189 CegarLoopUtils]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,271 INFO L189 CegarLoopUtils]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,271 INFO L189 CegarLoopUtils]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,271 INFO L189 CegarLoopUtils]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-12-21 23:29:23,271 INFO L189 CegarLoopUtils]: For program point L575(line 575) no Hoare annotation was computed. [2020-12-21 23:29:23,271 INFO L189 CegarLoopUtils]: For program point L509(line 509) no Hoare annotation was computed. [2020-12-21 23:29:23,272 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2020-12-21 23:29:23,272 INFO L189 CegarLoopUtils]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-12-21 23:29:23,272 INFO L189 CegarLoopUtils]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-12-21 23:29:23,272 INFO L189 CegarLoopUtils]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-12-21 23:29:23,272 INFO L189 CegarLoopUtils]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,272 INFO L189 CegarLoopUtils]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,273 INFO L189 CegarLoopUtils]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,273 INFO L189 CegarLoopUtils]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-12-21 23:29:23,273 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2020-12-21 23:29:23,273 INFO L189 CegarLoopUtils]: For program point L512(line 512) no Hoare annotation was computed. [2020-12-21 23:29:23,273 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2020-12-21 23:29:23,273 INFO L189 CegarLoopUtils]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-12-21 23:29:23,274 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-12-21 23:29:23,274 INFO L189 CegarLoopUtils]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-12-21 23:29:23,274 INFO L189 CegarLoopUtils]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,274 INFO L189 CegarLoopUtils]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,274 INFO L189 CegarLoopUtils]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,274 INFO L189 CegarLoopUtils]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-12-21 23:29:23,274 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-12-21 23:29:23,275 INFO L189 CegarLoopUtils]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-12-21 23:29:23,276 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2020-12-21 23:29:23,276 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-21 23:29:23,276 INFO L189 CegarLoopUtils]: For program point L452(line 452) no Hoare annotation was computed. [2020-12-21 23:29:23,276 INFO L189 CegarLoopUtils]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-12-21 23:29:23,276 INFO L189 CegarLoopUtils]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-12-21 23:29:23,276 INFO L189 CegarLoopUtils]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-12-21 23:29:23,276 INFO L189 CegarLoopUtils]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,277 INFO L189 CegarLoopUtils]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,277 INFO L189 CegarLoopUtils]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,277 INFO L189 CegarLoopUtils]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-12-21 23:29:23,277 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-21 23:29:23,277 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2020-12-21 23:29:23,277 INFO L189 CegarLoopUtils]: For program point L521(line 521) no Hoare annotation was computed. [2020-12-21 23:29:23,278 INFO L189 CegarLoopUtils]: For program point L455(line 455) no Hoare annotation was computed. [2020-12-21 23:29:23,278 INFO L189 CegarLoopUtils]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-12-21 23:29:23,278 INFO L189 CegarLoopUtils]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-12-21 23:29:23,278 INFO L189 CegarLoopUtils]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-12-21 23:29:23,278 INFO L189 CegarLoopUtils]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-12-21 23:29:23,278 INFO L189 CegarLoopUtils]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,278 INFO L189 CegarLoopUtils]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,279 INFO L189 CegarLoopUtils]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,279 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-21 23:29:23,279 INFO L189 CegarLoopUtils]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-12-21 23:29:23,279 INFO L189 CegarLoopUtils]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-12-21 23:29:23,279 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-12-21 23:29:23,279 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L524(line 524) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,280 INFO L189 CegarLoopUtils]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-12-21 23:29:23,281 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2020-12-21 23:29:23,281 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2020-12-21 23:29:23,281 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2020-12-21 23:29:23,281 INFO L189 CegarLoopUtils]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-12-21 23:29:23,281 INFO L189 CegarLoopUtils]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-12-21 23:29:23,281 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-21 23:29:23,282 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 590) no Hoare annotation was computed. [2020-12-21 23:29:23,282 INFO L189 CegarLoopUtils]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,282 INFO L189 CegarLoopUtils]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,282 INFO L189 CegarLoopUtils]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,282 INFO L189 CegarLoopUtils]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-12-21 23:29:23,282 INFO L189 CegarLoopUtils]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-12-21 23:29:23,282 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2020-12-21 23:29:23,283 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2020-12-21 23:29:23,283 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2020-12-21 23:29:23,283 INFO L189 CegarLoopUtils]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-12-21 23:29:23,283 INFO L189 CegarLoopUtils]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-12-21 23:29:23,283 INFO L189 CegarLoopUtils]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-12-21 23:29:23,283 INFO L189 CegarLoopUtils]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,283 INFO L189 CegarLoopUtils]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,284 INFO L189 CegarLoopUtils]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,284 INFO L189 CegarLoopUtils]: For program point L599(line 599) no Hoare annotation was computed. [2020-12-21 23:29:23,284 INFO L189 CegarLoopUtils]: For program point L533(line 533) no Hoare annotation was computed. [2020-12-21 23:29:23,284 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2020-12-21 23:29:23,284 INFO L189 CegarLoopUtils]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-12-21 23:29:23,284 INFO L189 CegarLoopUtils]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-12-21 23:29:23,284 INFO L189 CegarLoopUtils]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,285 INFO L189 CegarLoopUtils]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,285 INFO L189 CegarLoopUtils]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,285 INFO L189 CegarLoopUtils]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-12-21 23:29:23,285 INFO L189 CegarLoopUtils]: For program point L602(line 602) no Hoare annotation was computed. [2020-12-21 23:29:23,285 INFO L189 CegarLoopUtils]: For program point L536(line 536) no Hoare annotation was computed. [2020-12-21 23:29:23,286 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2020-12-21 23:29:23,286 INFO L189 CegarLoopUtils]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-12-21 23:29:23,286 INFO L189 CegarLoopUtils]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-12-21 23:29:23,286 INFO L189 CegarLoopUtils]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-12-21 23:29:23,286 INFO L189 CegarLoopUtils]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-12-21 23:29:23,286 INFO L189 CegarLoopUtils]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-12-21 23:29:23,287 INFO L189 CegarLoopUtils]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-12-21 23:29:23,287 INFO L189 CegarLoopUtils]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-12-21 23:29:23,287 INFO L189 CegarLoopUtils]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,287 INFO L189 CegarLoopUtils]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,287 INFO L189 CegarLoopUtils]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-12-21 23:29:23,287 INFO L189 CegarLoopUtils]: For program point L605(line 605) no Hoare annotation was computed. [2020-12-21 23:29:23,287 INFO L189 CegarLoopUtils]: For program point L539(line 539) no Hoare annotation was computed. [2020-12-21 23:29:23,288 INFO L189 CegarLoopUtils]: For program point L473(line 473) no Hoare annotation was computed. [2020-12-21 23:29:23,288 INFO L189 CegarLoopUtils]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-12-21 23:29:23,288 INFO L189 CegarLoopUtils]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-12-21 23:29:23,288 INFO L189 CegarLoopUtils]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-12-21 23:29:23,288 INFO L189 CegarLoopUtils]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-12-21 23:29:23,288 INFO L189 CegarLoopUtils]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-12-21 23:29:23,289 INFO L185 CegarLoopUtils]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 10)) (.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (= ~a11~0 1) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-12-21 23:29:23,289 INFO L189 CegarLoopUtils]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,289 INFO L189 CegarLoopUtils]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,289 INFO L189 CegarLoopUtils]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-12-21 23:29:23,290 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2020-12-21 23:29:23,290 INFO L189 CegarLoopUtils]: For program point L476(line 476) no Hoare annotation was computed. [2020-12-21 23:29:23,290 INFO L189 CegarLoopUtils]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-12-21 23:29:23,290 INFO L189 CegarLoopUtils]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-12-21 23:29:23,290 INFO L189 CegarLoopUtils]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-12-21 23:29:23,290 INFO L192 CegarLoopUtils]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-12-21 23:29:23,290 INFO L189 CegarLoopUtils]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L545(line 545) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L479(line 479) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-12-21 23:29:23,291 INFO L189 CegarLoopUtils]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-12-21 23:29:23,292 INFO L189 CegarLoopUtils]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-12-21 23:29:23,292 INFO L189 CegarLoopUtils]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-12-21 23:29:23,292 INFO L189 CegarLoopUtils]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,292 INFO L189 CegarLoopUtils]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,292 INFO L189 CegarLoopUtils]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-12-21 23:29:23,292 INFO L189 CegarLoopUtils]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-12-21 23:29:23,292 INFO L189 CegarLoopUtils]: For program point L548(line 548) no Hoare annotation was computed. [2020-12-21 23:29:23,293 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2020-12-21 23:29:23,293 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-21 23:29:23,293 INFO L189 CegarLoopUtils]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-12-21 23:29:23,293 INFO L189 CegarLoopUtils]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-12-21 23:29:23,293 INFO L185 CegarLoopUtils]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 10)) (.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (= ~a11~0 1) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-12-21 23:29:23,293 INFO L189 CegarLoopUtils]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L551(line 551) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L485(line 485) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,294 INFO L189 CegarLoopUtils]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,295 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2020-12-21 23:29:23,295 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2020-12-21 23:29:23,295 INFO L189 CegarLoopUtils]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-12-21 23:29:23,295 INFO L189 CegarLoopUtils]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-12-21 23:29:23,295 INFO L189 CegarLoopUtils]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-12-21 23:29:23,295 INFO L189 CegarLoopUtils]: For program point L621(line 621) no Hoare annotation was computed. [2020-12-21 23:29:23,295 INFO L189 CegarLoopUtils]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-12-21 23:29:23,296 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-21 23:29:23,296 INFO L189 CegarLoopUtils]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-12-21 23:29:23,296 INFO L189 CegarLoopUtils]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,296 INFO L189 CegarLoopUtils]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,296 INFO L189 CegarLoopUtils]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-12-21 23:29:23,296 INFO L189 CegarLoopUtils]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,296 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-21 23:29:23,297 INFO L189 CegarLoopUtils]: For program point L557(line 557) no Hoare annotation was computed. [2020-12-21 23:29:23,297 INFO L189 CegarLoopUtils]: For program point L491(line 491) no Hoare annotation was computed. [2020-12-21 23:29:23,297 INFO L189 CegarLoopUtils]: For program point L425(line 425) no Hoare annotation was computed. [2020-12-21 23:29:23,297 INFO L189 CegarLoopUtils]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-12-21 23:29:23,297 INFO L189 CegarLoopUtils]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-12-21 23:29:23,297 INFO L189 CegarLoopUtils]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-12-21 23:29:23,297 INFO L189 CegarLoopUtils]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,298 INFO L189 CegarLoopUtils]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,298 INFO L189 CegarLoopUtils]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,298 INFO L189 CegarLoopUtils]: For program point L560(line 560) no Hoare annotation was computed. [2020-12-21 23:29:23,298 INFO L189 CegarLoopUtils]: For program point L494(line 494) no Hoare annotation was computed. [2020-12-21 23:29:23,298 INFO L189 CegarLoopUtils]: For program point L428(line 428) no Hoare annotation was computed. [2020-12-21 23:29:23,298 INFO L189 CegarLoopUtils]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-12-21 23:29:23,298 INFO L189 CegarLoopUtils]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-12-21 23:29:23,299 INFO L189 CegarLoopUtils]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,299 INFO L189 CegarLoopUtils]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,299 INFO L189 CegarLoopUtils]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-12-21 23:29:23,299 INFO L189 CegarLoopUtils]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-12-21 23:29:23,299 INFO L189 CegarLoopUtils]: For program point L563(line 563) no Hoare annotation was computed. [2020-12-21 23:29:23,299 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2020-12-21 23:29:23,299 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2020-12-21 23:29:23,300 INFO L189 CegarLoopUtils]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-12-21 23:29:23,300 INFO L189 CegarLoopUtils]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-12-21 23:29:23,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:29:23 BoogieIcfgContainer [2020-12-21 23:29:23,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-21 23:29:23,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-21 23:29:23,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-21 23:29:23,325 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-21 23:29:23,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:29:15" (3/4) ... [2020-12-21 23:29:23,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-21 23:29:23,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-21 23:29:23,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-21 23:29:23,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:29:23,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-21 23:29:23,539 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem02_label26.c-witness.graphml [2020-12-21 23:29:23,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-21 23:29:23,541 INFO L168 Benchmark]: Toolchain (without parser) took 10395.63 ms. Allocated memory was 158.3 MB in the beginning and 306.2 MB in the end (delta: 147.8 MB). Free memory was 132.1 MB in the beginning and 247.9 MB in the end (delta: -115.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:29:23,542 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-21 23:29:23,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.07 ms. Allocated memory is still 158.3 MB. Free memory was 131.9 MB in the beginning and 137.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-12-21 23:29:23,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.91 ms. Allocated memory is still 158.3 MB. Free memory was 137.7 MB in the beginning and 132.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-21 23:29:23,543 INFO L168 Benchmark]: Boogie Preprocessor took 66.68 ms. Allocated memory is still 158.3 MB. Free memory was 132.3 MB in the beginning and 128.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-21 23:29:23,544 INFO L168 Benchmark]: RCFGBuilder took 1528.73 ms. Allocated memory is still 158.3 MB. Free memory was 128.1 MB in the beginning and 109.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 8.0 GB. [2020-12-21 23:29:23,544 INFO L168 Benchmark]: TraceAbstraction took 7620.33 ms. Allocated memory was 158.3 MB in the beginning and 306.2 MB in the end (delta: 147.8 MB). Free memory was 109.3 MB in the beginning and 262.6 MB in the end (delta: -153.3 MB). Peak memory consumption was 125.1 MB. Max. memory is 8.0 GB. [2020-12-21 23:29:23,545 INFO L168 Benchmark]: Witness Printer took 214.58 ms. Allocated memory is still 306.2 MB. Free memory was 262.6 MB in the beginning and 247.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-21 23:29:23,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 131.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 818.07 ms. Allocated memory is still 158.3 MB. Free memory was 131.9 MB in the beginning and 137.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 136.91 ms. Allocated memory is still 158.3 MB. Free memory was 137.7 MB in the beginning and 132.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.68 ms. Allocated memory is still 158.3 MB. Free memory was 132.3 MB in the beginning and 128.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1528.73 ms. Allocated memory is still 158.3 MB. Free memory was 128.1 MB in the beginning and 109.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7620.33 ms. Allocated memory was 158.3 MB in the beginning and 306.2 MB in the end (delta: 147.8 MB). Free memory was 109.3 MB in the beginning and 262.6 MB in the end (delta: -153.3 MB). Peak memory consumption was 125.1 MB. Max. memory is 8.0 GB. * Witness Printer took 214.58 ms. Allocated memory is still 306.2 MB. Free memory was 262.6 MB in the beginning and 247.9 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 590]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.3s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 747 SDtfs, 728 SDslu, 77 SDs, 0 SdLazy, 2337 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 285 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 89 HoareAnnotationTreeSize, 3 FomulaSimplifications, 294 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1305 NumberOfCodeBlocks, 1305 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1297 ConstructedInterpolants, 0 QuantifiedInterpolants, 673005 SizeOfPredicates, 0 NumberOfNonLiveVariables, 305 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 250/266 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...