/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/product-lines/minepump_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:53:48,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:53:48,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:53:48,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:53:48,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:53:48,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:53:48,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:53:48,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:53:48,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:53:48,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:53:48,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:53:48,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:53:48,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:53:48,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:53:48,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:53:48,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:53:48,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:53:48,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:53:48,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:53:48,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:53:48,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:53:48,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:53:48,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:53:48,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:53:48,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:53:48,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:53:48,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:53:48,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:53:48,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:53:48,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:53:48,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:53:48,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:53:48,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:53:48,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:53:48,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:53:48,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:53:48,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:53:48,191 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:53:48,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:53:48,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:53:48,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:53:48,196 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:53:48,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:53:48,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:53:48,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:53:48,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:53:48,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:53:48,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:53:48,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:53:48,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:53:48,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:53:48,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:53:48,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:53:48,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:53:48,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:53:48,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:53:48,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:53:48,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:53:48,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:53:48,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:53:48,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:53:48,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:53:48,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:53:48,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:53:48,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:53:48,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:53:48,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:53:48,675 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:53:48,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-12-22 06:53:48,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6dea5ef3/07102912fdea428e82ffd68e45dafeb1/FLAGba07b7552 [2020-12-22 06:53:49,475 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:53:49,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2020-12-22 06:53:49,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6dea5ef3/07102912fdea428e82ffd68e45dafeb1/FLAGba07b7552 [2020-12-22 06:53:49,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6dea5ef3/07102912fdea428e82ffd68e45dafeb1 [2020-12-22 06:53:49,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:53:49,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:53:49,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:49,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:53:49,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:53:49,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:49" (1/1) ... [2020-12-22 06:53:49,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630eca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:49, skipping insertion in model container [2020-12-22 06:53:49,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:53:49" (1/1) ... [2020-12-22 06:53:49,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:53:49,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:53:50,023 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/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2020-12-22 06:53:50,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:50,230 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:53:50,261 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/product-lines/minepump_spec1_product58.cil.c[1281,1294] [2020-12-22 06:53:50,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:53:50,417 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:53:50,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50 WrapperNode [2020-12-22 06:53:50,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:53:50,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:50,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:53:50,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:53:50,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:53:50,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:53:50,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:53:50,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:53:50,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (1/1) ... [2020-12-22 06:53:50,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:53:50,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:53:50,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:53:50,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:53:50,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (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 06:53:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:53:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:53:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:53:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:53:51,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:53:51,945 INFO L299 CfgBuilder]: Removed 194 assume(true) statements. [2020-12-22 06:53:51,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:51 BoogieIcfgContainer [2020-12-22 06:53:51,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:53:51,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:53:51,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:53:51,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:53:51,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:53:49" (1/3) ... [2020-12-22 06:53:51,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aab889d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:51, skipping insertion in model container [2020-12-22 06:53:51,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:53:50" (2/3) ... [2020-12-22 06:53:51,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aab889d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:53:51, skipping insertion in model container [2020-12-22 06:53:51,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:51" (3/3) ... [2020-12-22 06:53:51,957 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2020-12-22 06:53:51,964 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:53:51,969 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:53:51,990 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:53:52,020 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:53:52,020 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:53:52,021 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:53:52,021 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:53:52,021 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:53:52,021 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:53:52,021 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:53:52,022 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:53:52,041 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-12-22 06:53:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:53:52,049 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:52,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:52,050 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:52,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:52,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2020-12-22 06:53:52,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:52,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102104449] [2020-12-22 06:53:52,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:52,434 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 06:53:52,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102104449] [2020-12-22 06:53:52,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:52,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:52,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945566531] [2020-12-22 06:53:52,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:53:52,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:52,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:53:52,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:52,465 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2020-12-22 06:53:52,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:52,508 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2020-12-22 06:53:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:53:52,510 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:53:52,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:52,523 INFO L225 Difference]: With dead ends: 264 [2020-12-22 06:53:52,523 INFO L226 Difference]: Without dead ends: 131 [2020-12-22 06:53:52,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:53:52,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-12-22 06:53:52,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-12-22 06:53:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-12-22 06:53:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2020-12-22 06:53:52,592 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2020-12-22 06:53:52,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:52,593 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2020-12-22 06:53:52,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:53:52,593 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2020-12-22 06:53:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:53:52,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:52,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:53:52,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:53:52,595 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:52,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:52,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2020-12-22 06:53:52,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:52,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123373635] [2020-12-22 06:53:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:52,770 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 06:53:52,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123373635] [2020-12-22 06:53:52,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:52,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:52,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994246126] [2020-12-22 06:53:52,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:52,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:52,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:52,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:52,775 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2020-12-22 06:53:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:52,791 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2020-12-22 06:53:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:52,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:53:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:52,793 INFO L225 Difference]: With dead ends: 131 [2020-12-22 06:53:52,793 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:53:52,795 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 06:53:52,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:53:52,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:53:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:53:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:53:52,803 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2020-12-22 06:53:52,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:52,803 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:53:52,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:53:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:53:52,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:52,805 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] [2020-12-22 06:53:52,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:53:52,805 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:52,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:52,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2020-12-22 06:53:52,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:52,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709245281] [2020-12-22 06:53:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:52,874 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 06:53:52,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709245281] [2020-12-22 06:53:52,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:52,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:53:52,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880877577] [2020-12-22 06:53:52,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:52,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:52,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:52,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:52,878 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2020-12-22 06:53:52,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:52,904 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2020-12-22 06:53:52,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:52,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:53:52,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:52,906 INFO L225 Difference]: With dead ends: 100 [2020-12-22 06:53:52,906 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:53:52,907 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 06:53:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:53:52,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:53:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:53:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-12-22 06:53:52,914 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2020-12-22 06:53:52,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:52,915 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-12-22 06:53:52,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:52,915 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-12-22 06:53:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:53:52,916 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:52,916 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] [2020-12-22 06:53:52,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:53:52,917 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:52,917 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2020-12-22 06:53:52,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:52,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033939855] [2020-12-22 06:53:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:53,002 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 06:53:53,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033939855] [2020-12-22 06:53:53,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:53,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:53,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423819668] [2020-12-22 06:53:53,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:53,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:53,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:53,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:53,005 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-12-22 06:53:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:53,043 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-12-22 06:53:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:53,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:53:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:53,044 INFO L225 Difference]: With dead ends: 121 [2020-12-22 06:53:53,045 INFO L226 Difference]: Without dead ends: 74 [2020-12-22 06:53:53,045 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 06:53:53,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-22 06:53:53,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2020-12-22 06:53:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-22 06:53:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2020-12-22 06:53:53,056 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2020-12-22 06:53:53,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:53,056 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2020-12-22 06:53:53,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2020-12-22 06:53:53,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-22 06:53:53,057 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:53,057 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] [2020-12-22 06:53:53,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:53:53,058 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:53,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:53,059 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2020-12-22 06:53:53,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:53,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962669717] [2020-12-22 06:53:53,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:53,137 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 06:53:53,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962669717] [2020-12-22 06:53:53,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:53,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:53,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939552375] [2020-12-22 06:53:53,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:53,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:53,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:53,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:53,142 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 5 states. [2020-12-22 06:53:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:53,365 INFO L93 Difference]: Finished difference Result 372 states and 538 transitions. [2020-12-22 06:53:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:53:53,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-22 06:53:53,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:53,370 INFO L225 Difference]: With dead ends: 372 [2020-12-22 06:53:53,370 INFO L226 Difference]: Without dead ends: 306 [2020-12-22 06:53:53,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:53:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-12-22 06:53:53,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 132. [2020-12-22 06:53:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-12-22 06:53:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 185 transitions. [2020-12-22 06:53:53,398 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 185 transitions. Word has length 30 [2020-12-22 06:53:53,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:53,398 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 185 transitions. [2020-12-22 06:53:53,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 185 transitions. [2020-12-22 06:53:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:53:53,400 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:53,400 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] [2020-12-22 06:53:53,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:53:53,400 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:53,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:53,401 INFO L82 PathProgramCache]: Analyzing trace with hash 473077730, now seen corresponding path program 1 times [2020-12-22 06:53:53,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:53,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661367086] [2020-12-22 06:53:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:53,575 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 06:53:53,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661367086] [2020-12-22 06:53:53,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:53,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:53:53,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232087952] [2020-12-22 06:53:53,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:53,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:53,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:53,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:53,581 INFO L87 Difference]: Start difference. First operand 132 states and 185 transitions. Second operand 5 states. [2020-12-22 06:53:53,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:53,778 INFO L93 Difference]: Finished difference Result 378 states and 534 transitions. [2020-12-22 06:53:53,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:53:53,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:53:53,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:53,783 INFO L225 Difference]: With dead ends: 378 [2020-12-22 06:53:53,783 INFO L226 Difference]: Without dead ends: 376 [2020-12-22 06:53:53,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:53:53,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-12-22 06:53:53,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 132. [2020-12-22 06:53:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-12-22 06:53:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-12-22 06:53:53,833 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 31 [2020-12-22 06:53:53,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:53,834 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-12-22 06:53:53,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-12-22 06:53:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:53,841 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:53,841 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 06:53:53,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:53:53,841 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:53,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:53,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1697229364, now seen corresponding path program 1 times [2020-12-22 06:53:53,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:53,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864155638] [2020-12-22 06:53:53,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:53,956 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 06:53:53,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864155638] [2020-12-22 06:53:53,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:53,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:53,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321551981] [2020-12-22 06:53:53,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:53,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:53,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:53,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:53,963 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand 5 states. [2020-12-22 06:53:54,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:54,051 INFO L93 Difference]: Finished difference Result 344 states and 476 transitions. [2020-12-22 06:53:54,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:53:54,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:53:54,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:54,055 INFO L225 Difference]: With dead ends: 344 [2020-12-22 06:53:54,056 INFO L226 Difference]: Without dead ends: 218 [2020-12-22 06:53:54,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:53:54,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-12-22 06:53:54,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 144. [2020-12-22 06:53:54,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-12-22 06:53:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2020-12-22 06:53:54,084 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 34 [2020-12-22 06:53:54,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:54,085 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2020-12-22 06:53:54,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2020-12-22 06:53:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:54,090 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:54,090 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 06:53:54,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:53:54,091 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:54,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:54,092 INFO L82 PathProgramCache]: Analyzing trace with hash 2010931918, now seen corresponding path program 1 times [2020-12-22 06:53:54,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:54,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545177784] [2020-12-22 06:53:54,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:54,188 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 06:53:54,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545177784] [2020-12-22 06:53:54,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:54,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:54,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003218915] [2020-12-22 06:53:54,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:54,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:54,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:54,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:54,191 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand 5 states. [2020-12-22 06:53:54,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:54,292 INFO L93 Difference]: Finished difference Result 378 states and 510 transitions. [2020-12-22 06:53:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:53:54,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:53:54,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:54,295 INFO L225 Difference]: With dead ends: 378 [2020-12-22 06:53:54,296 INFO L226 Difference]: Without dead ends: 240 [2020-12-22 06:53:54,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:53:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-12-22 06:53:54,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 152. [2020-12-22 06:53:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-12-22 06:53:54,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 204 transitions. [2020-12-22 06:53:54,316 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 204 transitions. Word has length 34 [2020-12-22 06:53:54,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:54,316 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 204 transitions. [2020-12-22 06:53:54,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 204 transitions. [2020-12-22 06:53:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:53:54,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:54,320 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 06:53:54,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:53:54,320 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:54,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:54,322 INFO L82 PathProgramCache]: Analyzing trace with hash 731068240, now seen corresponding path program 1 times [2020-12-22 06:53:54,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:54,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793896806] [2020-12-22 06:53:54,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:54,406 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 06:53:54,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793896806] [2020-12-22 06:53:54,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:54,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:53:54,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51057542] [2020-12-22 06:53:54,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:53:54,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:54,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:53:54,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:53:54,417 INFO L87 Difference]: Start difference. First operand 152 states and 204 transitions. Second operand 3 states. [2020-12-22 06:53:54,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:54,461 INFO L93 Difference]: Finished difference Result 348 states and 466 transitions. [2020-12-22 06:53:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:53:54,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:53:54,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:54,464 INFO L225 Difference]: With dead ends: 348 [2020-12-22 06:53:54,464 INFO L226 Difference]: Without dead ends: 202 [2020-12-22 06:53:54,465 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 06:53:54,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-12-22 06:53:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-12-22 06:53:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-12-22 06:53:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 264 transitions. [2020-12-22 06:53:54,488 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 264 transitions. Word has length 34 [2020-12-22 06:53:54,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:54,489 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 264 transitions. [2020-12-22 06:53:54,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:53:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2020-12-22 06:53:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:53:54,491 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:54,491 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] [2020-12-22 06:53:54,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:53:54,493 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:54,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:54,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2047463346, now seen corresponding path program 1 times [2020-12-22 06:53:54,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:54,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292410780] [2020-12-22 06:53:54,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:54,598 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 06:53:54,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292410780] [2020-12-22 06:53:54,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:54,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:53:54,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550718450] [2020-12-22 06:53:54,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:53:54,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:54,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:53:54,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:53:54,602 INFO L87 Difference]: Start difference. First operand 202 states and 264 transitions. Second operand 6 states. [2020-12-22 06:53:54,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:54,895 INFO L93 Difference]: Finished difference Result 612 states and 800 transitions. [2020-12-22 06:53:54,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:53:54,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-12-22 06:53:54,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:54,903 INFO L225 Difference]: With dead ends: 612 [2020-12-22 06:53:54,903 INFO L226 Difference]: Without dead ends: 416 [2020-12-22 06:53:54,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:53:54,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-12-22 06:53:54,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 202. [2020-12-22 06:53:54,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-12-22 06:53:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 259 transitions. [2020-12-22 06:53:54,928 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 259 transitions. Word has length 35 [2020-12-22 06:53:54,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:54,928 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 259 transitions. [2020-12-22 06:53:54,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:53:54,929 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 259 transitions. [2020-12-22 06:53:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:53:54,930 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:54,930 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] [2020-12-22 06:53:54,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:53:54,931 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:54,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:54,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1267099237, now seen corresponding path program 1 times [2020-12-22 06:53:54,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:54,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476021427] [2020-12-22 06:53:54,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:53:55,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476021427] [2020-12-22 06:53:55,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:55,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:53:55,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900292591] [2020-12-22 06:53:55,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:53:55,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:55,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:53:55,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:53:55,078 INFO L87 Difference]: Start difference. First operand 202 states and 259 transitions. Second operand 6 states. [2020-12-22 06:53:55,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:55,420 INFO L93 Difference]: Finished difference Result 1026 states and 1345 transitions. [2020-12-22 06:53:55,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:53:55,421 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-12-22 06:53:55,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:55,427 INFO L225 Difference]: With dead ends: 1026 [2020-12-22 06:53:55,428 INFO L226 Difference]: Without dead ends: 880 [2020-12-22 06:53:55,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:53:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-12-22 06:53:55,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 390. [2020-12-22 06:53:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-12-22 06:53:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 500 transitions. [2020-12-22 06:53:55,483 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 500 transitions. Word has length 56 [2020-12-22 06:53:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:55,483 INFO L481 AbstractCegarLoop]: Abstraction has 390 states and 500 transitions. [2020-12-22 06:53:55,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:53:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 500 transitions. [2020-12-22 06:53:55,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:53:55,484 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:53:55,485 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] [2020-12-22 06:53:55,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:53:55,487 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:53:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:53:55,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1968163815, now seen corresponding path program 1 times [2020-12-22 06:53:55,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:53:55,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216167966] [2020-12-22 06:53:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:53:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:53:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:53:55,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216167966] [2020-12-22 06:53:55,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:53:55,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:53:55,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707594603] [2020-12-22 06:53:55,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:53:55,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:53:55,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:53:55,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:53:55,598 INFO L87 Difference]: Start difference. First operand 390 states and 500 transitions. Second operand 5 states. [2020-12-22 06:53:55,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:53:55,684 INFO L93 Difference]: Finished difference Result 724 states and 927 transitions. [2020-12-22 06:53:55,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:53:55,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-22 06:53:55,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:53:55,690 INFO L225 Difference]: With dead ends: 724 [2020-12-22 06:53:55,690 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:53:55,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:53:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:53:55,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:53:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:53:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:53:55,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-22 06:53:55,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:53:55,693 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:53:55,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:53:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:53:55,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:53:55,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:53:55,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:53:56,155 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 120 [2020-12-22 06:53:56,432 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 105 [2020-12-22 06:53:56,607 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 81 [2020-12-22 06:53:56,761 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 92 [2020-12-22 06:53:56,877 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 85 [2020-12-22 06:53:57,120 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 114 [2020-12-22 06:53:57,391 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 119 [2020-12-22 06:53:57,628 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 120 [2020-12-22 06:53:57,732 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 90 [2020-12-22 06:53:57,873 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 20 [2020-12-22 06:53:58,565 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-12-22 06:53:59,124 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 31 [2020-12-22 06:53:59,292 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 19 [2020-12-22 06:53:59,659 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 24 [2020-12-22 06:54:00,094 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2020-12-22 06:54:00,406 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2020-12-22 06:54:00,529 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2020-12-22 06:54:01,117 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-12-22 06:54:01,232 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22 [2020-12-22 06:54:01,828 WARN L197 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 16 [2020-12-22 06:54:02,502 WARN L197 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 25 [2020-12-22 06:54:02,883 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 26 [2020-12-22 06:54:02,895 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:02,895 INFO L185 CegarLoopUtils]: At program point L102(lines 97 105) the Hoare annotation is: false [2020-12-22 06:54:02,896 INFO L185 CegarLoopUtils]: At program point L102-1(lines 97 105) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-12-22 06:54:02,896 INFO L185 CegarLoopUtils]: At program point L102-2(lines 97 105) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse1 .cse4 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse3))) [2020-12-22 06:54:02,896 INFO L185 CegarLoopUtils]: At program point L102-3(lines 97 105) the Hoare annotation is: false [2020-12-22 06:54:02,896 INFO L185 CegarLoopUtils]: At program point L102-4(lines 97 105) the Hoare annotation is: false [2020-12-22 06:54:02,897 INFO L185 CegarLoopUtils]: At program point L102-5(lines 97 105) the Hoare annotation is: false [2020-12-22 06:54:02,897 INFO L185 CegarLoopUtils]: At program point L102-6(lines 97 105) the Hoare annotation is: false [2020-12-22 06:54:02,897 INFO L185 CegarLoopUtils]: At program point L102-7(lines 97 105) the Hoare annotation is: false [2020-12-22 06:54:02,897 INFO L185 CegarLoopUtils]: At program point L102-8(lines 97 105) the Hoare annotation is: false [2020-12-22 06:54:02,897 INFO L189 CegarLoopUtils]: For program point L334(lines 334 351) no Hoare annotation was computed. [2020-12-22 06:54:02,897 INFO L189 CegarLoopUtils]: For program point L334-1(lines 334 351) no Hoare annotation was computed. [2020-12-22 06:54:02,897 INFO L189 CegarLoopUtils]: For program point L334-2(lines 334 351) no Hoare annotation was computed. [2020-12-22 06:54:02,898 INFO L189 CegarLoopUtils]: For program point L566(lines 566 570) no Hoare annotation was computed. [2020-12-22 06:54:02,898 INFO L185 CegarLoopUtils]: At program point L566-2(lines 276 282) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse1 .cse5 .cse3))) [2020-12-22 06:54:02,898 INFO L189 CegarLoopUtils]: For program point L500(lines 500 513) no Hoare annotation was computed. [2020-12-22 06:54:02,898 INFO L185 CegarLoopUtils]: At program point L500-1(lines 1 984) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse1 .cse0 .cse3 .cse2 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse2))) [2020-12-22 06:54:02,898 INFO L189 CegarLoopUtils]: For program point L500-2(lines 500 513) no Hoare annotation was computed. [2020-12-22 06:54:02,898 INFO L185 CegarLoopUtils]: At program point L500-3(lines 1 984) the Hoare annotation is: false [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L500-4(lines 500 513) no Hoare annotation was computed. [2020-12-22 06:54:02,899 INFO L185 CegarLoopUtils]: At program point L500-5(lines 1 984) the Hoare annotation is: false [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L371(lines 371 377) no Hoare annotation was computed. [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L371-2(lines 371 377) no Hoare annotation was computed. [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L338-1(lines 338 346) no Hoare annotation was computed. [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L371-4(lines 371 377) no Hoare annotation was computed. [2020-12-22 06:54:02,899 INFO L189 CegarLoopUtils]: For program point L371-6(lines 371 377) no Hoare annotation was computed. [2020-12-22 06:54:02,900 INFO L189 CegarLoopUtils]: For program point L371-8(lines 371 377) no Hoare annotation was computed. [2020-12-22 06:54:02,900 INFO L189 CegarLoopUtils]: For program point L371-10(lines 371 377) no Hoare annotation was computed. [2020-12-22 06:54:02,900 INFO L189 CegarLoopUtils]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-12-22 06:54:02,900 INFO L189 CegarLoopUtils]: For program point L504-2(lines 504 510) no Hoare annotation was computed. [2020-12-22 06:54:02,900 INFO L185 CegarLoopUtils]: At program point L405(lines 400 408) the Hoare annotation is: (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:54:02,900 INFO L185 CegarLoopUtils]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2020-12-22 06:54:02,900 INFO L189 CegarLoopUtils]: For program point L504-4(lines 504 510) no Hoare annotation was computed. [2020-12-22 06:54:02,901 INFO L185 CegarLoopUtils]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2020-12-22 06:54:02,901 INFO L185 CegarLoopUtils]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2020-12-22 06:54:02,901 INFO L189 CegarLoopUtils]: For program point L538(lines 538 544) no Hoare annotation was computed. [2020-12-22 06:54:02,901 INFO L185 CegarLoopUtils]: At program point L538-1(lines 538 544) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse1 .cse0 .cse3 .cse2 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse3 .cse4 .cse2))) [2020-12-22 06:54:02,901 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:02,901 INFO L189 CegarLoopUtils]: For program point L175(line 175) no Hoare annotation was computed. [2020-12-22 06:54:02,901 INFO L189 CegarLoopUtils]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:54:02,901 INFO L189 CegarLoopUtils]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L142-2(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L142-3(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L142-4(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L142-5(lines 142 148) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L473(lines 473 477) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L473-3(lines 473 477) no Hoare annotation was computed. [2020-12-22 06:54:02,902 INFO L189 CegarLoopUtils]: For program point L308(lines 308 325) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L473-5(lines 473 477) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L308-1(lines 308 325) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L473-6(lines 473 477) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L308-2(lines 308 325) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L308-3(lines 308 325) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L473-8(lines 473 477) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L308-4(lines 308 325) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L308-5(lines 308 325) no Hoare annotation was computed. [2020-12-22 06:54:02,903 INFO L189 CegarLoopUtils]: For program point L77(lines 77 81) no Hoare annotation was computed. [2020-12-22 06:54:02,904 INFO L185 CegarLoopUtils]: At program point L276(lines 275 294) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse1))) [2020-12-22 06:54:02,904 INFO L189 CegarLoopUtils]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-12-22 06:54:02,904 INFO L185 CegarLoopUtils]: At program point L276-2(lines 275 294) the Hoare annotation is: false [2020-12-22 06:54:02,904 INFO L185 CegarLoopUtils]: At program point L276-3(lines 275 294) the Hoare annotation is: false [2020-12-22 06:54:02,904 INFO L185 CegarLoopUtils]: At program point L607(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:02,904 INFO L189 CegarLoopUtils]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-12-22 06:54:02,904 INFO L189 CegarLoopUtils]: For program point L178-1(lines 276 282) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L46(line 46) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L185 CegarLoopUtils]: At program point L576(lines 527 577) the Hoare annotation is: false [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L312(lines 312 320) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L312-1(lines 312 320) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L312-3(lines 312 320) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L189 CegarLoopUtils]: For program point L312-4(lines 312 320) no Hoare annotation was computed. [2020-12-22 06:54:02,905 INFO L185 CegarLoopUtils]: At program point L147(lines 138 151) the Hoare annotation is: false [2020-12-22 06:54:02,906 INFO L189 CegarLoopUtils]: For program point L312-5(lines 312 320) no Hoare annotation was computed. [2020-12-22 06:54:02,906 INFO L185 CegarLoopUtils]: At program point L147-1(lines 138 151) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse2 .cse6 .cse5 .cse3 .cse4) (and .cse0 (= ~waterLevel~0 1) .cse2 .cse6 .cse3 .cse4))) [2020-12-22 06:54:02,906 INFO L185 CegarLoopUtils]: At program point L147-2(lines 138 151) the Hoare annotation is: false [2020-12-22 06:54:02,906 INFO L185 CegarLoopUtils]: At program point L147-3(lines 138 151) the Hoare annotation is: false [2020-12-22 06:54:02,906 INFO L185 CegarLoopUtils]: At program point L147-4(lines 138 151) the Hoare annotation is: false [2020-12-22 06:54:02,906 INFO L185 CegarLoopUtils]: At program point L147-5(lines 138 151) the Hoare annotation is: false [2020-12-22 06:54:02,907 INFO L185 CegarLoopUtils]: At program point L479(lines 464 482) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0)) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse6 .cse5))) [2020-12-22 06:54:02,907 INFO L185 CegarLoopUtils]: At program point L479-1(lines 464 482) the Hoare annotation is: false [2020-12-22 06:54:02,907 INFO L185 CegarLoopUtils]: At program point L479-2(lines 464 482) the Hoare annotation is: false [2020-12-22 06:54:02,907 INFO L185 CegarLoopUtils]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse0 (<= 2 ~waterLevel~0) .cse2))) [2020-12-22 06:54:02,907 INFO L189 CegarLoopUtils]: For program point L250(lines 250 257) no Hoare annotation was computed. [2020-12-22 06:54:02,907 INFO L185 CegarLoopUtils]: At program point L283-1(lines 283 289) the Hoare annotation is: false [2020-12-22 06:54:02,907 INFO L185 CegarLoopUtils]: At program point L283-2(lines 283 289) the Hoare annotation is: false [2020-12-22 06:54:02,908 INFO L192 CegarLoopUtils]: At program point L250-1(lines 250 257) the Hoare annotation is: true [2020-12-22 06:54:02,908 INFO L189 CegarLoopUtils]: For program point L548(lines 548 554) no Hoare annotation was computed. [2020-12-22 06:54:02,908 INFO L185 CegarLoopUtils]: At program point L548-1(lines 548 554) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse1 .cse5 .cse3))) [2020-12-22 06:54:02,908 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:02,908 INFO L185 CegarLoopUtils]: At program point L615(lines 610 618) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:02,908 INFO L189 CegarLoopUtils]: For program point L89(lines 89 93) no Hoare annotation was computed. [2020-12-22 06:54:02,908 INFO L189 CegarLoopUtils]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,908 INFO L189 CegarLoopUtils]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,909 INFO L189 CegarLoopUtils]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,909 INFO L189 CegarLoopUtils]: For program point L454-5(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,909 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:02,909 INFO L189 CegarLoopUtils]: For program point L454-6(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,909 INFO L185 CegarLoopUtils]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:54:02,909 INFO L189 CegarLoopUtils]: For program point L454-8(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,909 INFO L185 CegarLoopUtils]: At program point L157(lines 152 160) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2))) [2020-12-22 06:54:02,909 INFO L189 CegarLoopUtils]: For program point L454-9(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,910 INFO L185 CegarLoopUtils]: At program point L157-1(lines 152 160) the Hoare annotation is: false [2020-12-22 06:54:02,910 INFO L189 CegarLoopUtils]: For program point L454-11(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,910 INFO L185 CegarLoopUtils]: At program point L157-2(lines 152 160) the Hoare annotation is: false [2020-12-22 06:54:02,910 INFO L189 CegarLoopUtils]: For program point L454-12(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,910 INFO L189 CegarLoopUtils]: For program point L454-14(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,910 INFO L189 CegarLoopUtils]: For program point L454-15(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,911 INFO L189 CegarLoopUtils]: For program point L454-17(lines 454 458) no Hoare annotation was computed. [2020-12-22 06:54:02,911 INFO L192 CegarLoopUtils]: At program point L259(lines 240 262) the Hoare annotation is: true [2020-12-22 06:54:02,911 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:02,911 INFO L189 CegarLoopUtils]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-12-22 06:54:02,911 INFO L185 CegarLoopUtils]: At program point L460(lines 445 463) the Hoare annotation is: false [2020-12-22 06:54:02,917 INFO L185 CegarLoopUtils]: At program point L460-1(lines 445 463) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8 .cse9) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse8 .cse4 .cse9))) [2020-12-22 06:54:02,917 INFO L185 CegarLoopUtils]: At program point L460-2(lines 445 463) the Hoare annotation is: false [2020-12-22 06:54:02,917 INFO L185 CegarLoopUtils]: At program point L460-3(lines 445 463) the Hoare annotation is: false [2020-12-22 06:54:02,917 INFO L185 CegarLoopUtils]: At program point L460-4(lines 445 463) the Hoare annotation is: false [2020-12-22 06:54:02,918 INFO L185 CegarLoopUtils]: At program point L460-5(lines 445 463) the Hoare annotation is: false [2020-12-22 06:54:02,918 INFO L189 CegarLoopUtils]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-12-22 06:54:02,918 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:02,920 INFO L189 CegarLoopUtils]: For program point L65-3(lines 65 69) no Hoare annotation was computed. [2020-12-22 06:54:02,920 INFO L189 CegarLoopUtils]: For program point L65-6(lines 65 69) no Hoare annotation was computed. [2020-12-22 06:54:02,920 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2020-12-22 06:54:02,921 INFO L185 CegarLoopUtils]: At program point L396(lines 389 399) the Hoare annotation is: false [2020-12-22 06:54:02,921 INFO L185 CegarLoopUtils]: At program point L396-1(lines 389 399) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:54:02,921 INFO L185 CegarLoopUtils]: At program point L396-2(lines 389 399) the Hoare annotation is: false [2020-12-22 06:54:02,921 INFO L185 CegarLoopUtils]: At program point L396-3(lines 389 399) the Hoare annotation is: false [2020-12-22 06:54:02,921 INFO L185 CegarLoopUtils]: At program point L396-4(lines 389 399) the Hoare annotation is: false [2020-12-22 06:54:02,921 INFO L185 CegarLoopUtils]: At program point L396-5(lines 389 399) the Hoare annotation is: false [2020-12-22 06:54:02,922 INFO L189 CegarLoopUtils]: For program point L529(lines 528 575) no Hoare annotation was computed. [2020-12-22 06:54:02,922 INFO L189 CegarLoopUtils]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-12-22 06:54:02,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:02 BoogieIcfgContainer [2020-12-22 06:54:02,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:02,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:02,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:02,990 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:02,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:53:51" (3/4) ... [2020-12-22 06:54:02,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:03,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:03,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:03,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:03,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:03,030 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:03,031 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:03,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:03,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:54:03,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:54:03,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:54:03,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:54:03,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:54:03,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:54:03,068 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:54:03,069 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || (((((((!(tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:03,070 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:54:03,071 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:54:03,178 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product58.cil.c-witness.graphml [2020-12-22 06:54:03,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:03,180 INFO L168 Benchmark]: Toolchain (without parser) took 13408.42 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 125.6 MB in the beginning and 148.4 MB in the end (delta: -22.8 MB). Peak memory consumption was 89.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:03,180 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:03,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.87 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:03,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.36 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 131.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:03,182 INFO L168 Benchmark]: Boogie Preprocessor took 108.05 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 128.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:03,182 INFO L168 Benchmark]: RCFGBuilder took 1268.47 ms. Allocated memory is still 151.0 MB. Free memory was 128.6 MB in the beginning and 62.5 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:03,182 INFO L168 Benchmark]: TraceAbstraction took 11038.65 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 62.0 MB in the beginning and 161.1 MB in the end (delta: -99.1 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:03,183 INFO L168 Benchmark]: Witness Printer took 189.41 ms. Allocated memory is still 262.1 MB. Free memory was 160.6 MB in the beginning and 148.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:03,185 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 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 644.87 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 103.3 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 149.36 ms. Allocated memory is still 151.0 MB. Free memory was 103.2 MB in the beginning and 131.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 108.05 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 128.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1268.47 ms. Allocated memory is still 151.0 MB. Free memory was 128.6 MB in the beginning and 62.5 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11038.65 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 62.0 MB in the beginning and 161.1 MB in the end (delta: -99.1 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * Witness Printer took 189.41 ms. Allocated memory is still 262.1 MB. Free memory was 160.6 MB in the beginning and 148.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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 3 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((methaneLevelCritical == 1 && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || (((((((!(tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((\result == 1 && tmp == 0) && tmp___0 == 1) && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && \result == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1366 SDtfs, 1939 SDslu, 2379 SDs, 0 SdLazy, 313 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=11, 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, 12 MinimizatonAttempts, 1286 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 211 NumberOfFragments, 778 HoareAnnotationTreeSize, 55 FomulaSimplifications, 1102587 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 55 FomulaSimplificationsInter, 136342 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 23835 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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...