/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_spec4_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:47,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:47,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:47,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:47,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:47,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:47,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:47,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:47,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:47,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:47,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:47,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:47,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:47,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:47,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:47,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:47,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:47,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:47,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:47,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:47,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:47,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:47,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:47,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:47,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:47,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:47,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:47,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:47,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:47,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:47,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:47,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:47,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:47,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:47,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:47,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:47,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:47,236 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:47,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:47,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:47,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:47,239 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:47,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:47,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:47,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:47,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:47,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:47,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:47,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:47,241 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:47,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:47,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:47,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:47,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:47,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:47,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:47,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:47,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:47,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:47,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:47,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:47,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:47,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:47,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:47,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:47,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:47,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:47,695 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:47,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2020-12-22 06:56:47,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc58d444d/e9a51cf0dc2c4cdf84aa47e3e8f9e49d/FLAG9a1d51353 [2020-12-22 06:56:48,523 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:48,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product54.cil.c [2020-12-22 06:56:48,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc58d444d/e9a51cf0dc2c4cdf84aa47e3e8f9e49d/FLAG9a1d51353 [2020-12-22 06:56:48,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc58d444d/e9a51cf0dc2c4cdf84aa47e3e8f9e49d [2020-12-22 06:56:48,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:48,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:48,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:48,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:48,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:48,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c75156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48, skipping insertion in model container [2020-12-22 06:56:48,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:48,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:49,414 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_spec4_product54.cil.c[18209,18222] [2020-12-22 06:56:49,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:49,447 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:49,588 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_spec4_product54.cil.c[18209,18222] [2020-12-22 06:56:49,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:49,630 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:49,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49 WrapperNode [2020-12-22 06:56:49,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:49,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:49,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:49,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:49,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:49,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:49,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:49,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:49,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (1/1) ... [2020-12-22 06:56:49,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:49,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:49,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:49,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:49,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (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 06:56:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:49,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:51,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:51,229 INFO L299 CfgBuilder]: Removed 278 assume(true) statements. [2020-12-22 06:56:51,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:51 BoogieIcfgContainer [2020-12-22 06:56:51,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:51,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:51,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:51,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:51,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:48" (1/3) ... [2020-12-22 06:56:51,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ef1308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:51, skipping insertion in model container [2020-12-22 06:56:51,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:49" (2/3) ... [2020-12-22 06:56:51,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ef1308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:51, skipping insertion in model container [2020-12-22 06:56:51,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:51" (3/3) ... [2020-12-22 06:56:51,245 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product54.cil.c [2020-12-22 06:56:51,252 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:51,257 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:51,275 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:51,302 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:51,302 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:51,302 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:51,303 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:51,303 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:51,303 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:51,303 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:51,303 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:51,324 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-12-22 06:56:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:51,331 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,332 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:51,332 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1439730149, now seen corresponding path program 1 times [2020-12-22 06:56:51,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601475126] [2020-12-22 06:56:51,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,634 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 06:56:51,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601475126] [2020-12-22 06:56:51,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:51,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180770274] [2020-12-22 06:56:51,642 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:51,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:51,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:51,660 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-12-22 06:56:51,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,712 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2020-12-22 06:56:51,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:51,714 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:51,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,728 INFO L225 Difference]: With dead ends: 372 [2020-12-22 06:56:51,728 INFO L226 Difference]: Without dead ends: 185 [2020-12-22 06:56:51,733 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 06:56:51,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-22 06:56:51,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-12-22 06:56:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-22 06:56:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-12-22 06:56:51,791 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-12-22 06:56:51,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,791 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-12-22 06:56:51,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-12-22 06:56:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:51,793 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,793 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 06:56:51,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:51,794 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1808480250, now seen corresponding path program 1 times [2020-12-22 06:56:51,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815514407] [2020-12-22 06:56:51,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,987 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 06:56:51,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815514407] [2020-12-22 06:56:51,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:51,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:51,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783973397] [2020-12-22 06:56:51,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:51,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:51,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:51,991 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-12-22 06:56:52,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,011 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-12-22 06:56:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:52,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:52,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,013 INFO L225 Difference]: With dead ends: 185 [2020-12-22 06:56:52,013 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:56:52,015 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 06:56:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:56:52,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:56:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:56:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-12-22 06:56:52,024 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-12-22 06:56:52,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,025 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-12-22 06:56:52,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-12-22 06:56:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:52,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,026 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 06:56:52,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:52,027 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,028 INFO L82 PathProgramCache]: Analyzing trace with hash -886510538, now seen corresponding path program 1 times [2020-12-22 06:56:52,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168396188] [2020-12-22 06:56:52,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,195 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 06:56:52,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168396188] [2020-12-22 06:56:52,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:52,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066222474] [2020-12-22 06:56:52,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:52,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:52,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:52,202 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2020-12-22 06:56:52,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,249 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-12-22 06:56:52,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:52,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-22 06:56:52,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,252 INFO L225 Difference]: With dead ends: 136 [2020-12-22 06:56:52,252 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:56:52,253 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 06:56:52,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:56:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:56:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:56:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-12-22 06:56:52,274 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-12-22 06:56:52,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,274 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-12-22 06:56:52,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-12-22 06:56:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:52,276 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,276 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] [2020-12-22 06:56:52,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:52,276 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1823541737, now seen corresponding path program 1 times [2020-12-22 06:56:52,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488750682] [2020-12-22 06:56:52,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,380 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 06:56:52,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488750682] [2020-12-22 06:56:52,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:52,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086243186] [2020-12-22 06:56:52,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:52,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:52,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:52,388 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-12-22 06:56:52,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,465 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-12-22 06:56:52,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:52,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-22 06:56:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,467 INFO L225 Difference]: With dead ends: 145 [2020-12-22 06:56:52,467 INFO L226 Difference]: Without dead ends: 80 [2020-12-22 06:56:52,468 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 06:56:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-12-22 06:56:52,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-12-22 06:56:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-22 06:56:52,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-12-22 06:56:52,479 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-12-22 06:56:52,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,480 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-12-22 06:56:52,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-12-22 06:56:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:52,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,481 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 06:56:52,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:52,482 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,483 INFO L82 PathProgramCache]: Analyzing trace with hash -920121944, now seen corresponding path program 1 times [2020-12-22 06:56:52,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684632317] [2020-12-22 06:56:52,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,564 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 06:56:52,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684632317] [2020-12-22 06:56:52,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:52,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070479689] [2020-12-22 06:56:52,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:52,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:52,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:52,568 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-12-22 06:56:52,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,714 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-12-22 06:56:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:52,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-22 06:56:52,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,716 INFO L225 Difference]: With dead ends: 204 [2020-12-22 06:56:52,717 INFO L226 Difference]: Without dead ends: 132 [2020-12-22 06:56:52,718 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 06:56:52,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-22 06:56:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-12-22 06:56:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:56:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-12-22 06:56:52,731 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-12-22 06:56:52,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,732 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-12-22 06:56:52,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-12-22 06:56:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 06:56:52,733 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,733 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 06:56:52,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:52,734 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1742389099, now seen corresponding path program 1 times [2020-12-22 06:56:52,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293984378] [2020-12-22 06:56:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,851 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 06:56:52,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293984378] [2020-12-22 06:56:52,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:56:52,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285652610] [2020-12-22 06:56:52,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:56:52,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:56:52,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:52,855 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 7 states. [2020-12-22 06:56:53,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,178 INFO L93 Difference]: Finished difference Result 568 states and 795 transitions. [2020-12-22 06:56:53,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:56:53,179 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-12-22 06:56:53,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,186 INFO L225 Difference]: With dead ends: 568 [2020-12-22 06:56:53,186 INFO L226 Difference]: Without dead ends: 487 [2020-12-22 06:56:53,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:56:53,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-12-22 06:56:53,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2020-12-22 06:56:53,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-12-22 06:56:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2020-12-22 06:56:53,255 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 31 [2020-12-22 06:56:53,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,255 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2020-12-22 06:56:53,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:56:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2020-12-22 06:56:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-22 06:56:53,264 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,264 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:56:53,265 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,265 INFO L82 PathProgramCache]: Analyzing trace with hash -165583408, now seen corresponding path program 1 times [2020-12-22 06:56:53,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250190147] [2020-12-22 06:56:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:53,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250190147] [2020-12-22 06:56:53,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:56:53,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946579625] [2020-12-22 06:56:53,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:53,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:53,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:56:53,360 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand 4 states. [2020-12-22 06:56:53,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,427 INFO L93 Difference]: Finished difference Result 446 states and 600 transitions. [2020-12-22 06:56:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:53,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-12-22 06:56:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,429 INFO L225 Difference]: With dead ends: 446 [2020-12-22 06:56:53,430 INFO L226 Difference]: Without dead ends: 248 [2020-12-22 06:56:53,431 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:53,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-12-22 06:56:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 182. [2020-12-22 06:56:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-12-22 06:56:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2020-12-22 06:56:53,448 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 49 [2020-12-22 06:56:53,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,449 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2020-12-22 06:56:53,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2020-12-22 06:56:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 06:56:53,451 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:56:53,451 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1786964048, now seen corresponding path program 1 times [2020-12-22 06:56:53,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502615727] [2020-12-22 06:56:53,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,603 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 06:56:53,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502615727] [2020-12-22 06:56:53,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:53,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552596572] [2020-12-22 06:56:53,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:53,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:53,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:53,608 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 6 states. [2020-12-22 06:56:53,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,789 INFO L93 Difference]: Finished difference Result 872 states and 1186 transitions. [2020-12-22 06:56:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-22 06:56:53,791 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-12-22 06:56:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,796 INFO L225 Difference]: With dead ends: 872 [2020-12-22 06:56:53,797 INFO L226 Difference]: Without dead ends: 696 [2020-12-22 06:56:53,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:56:53,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-12-22 06:56:53,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 356. [2020-12-22 06:56:53,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-12-22 06:56:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 466 transitions. [2020-12-22 06:56:53,850 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 466 transitions. Word has length 50 [2020-12-22 06:56:53,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,850 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 466 transitions. [2020-12-22 06:56:53,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 466 transitions. [2020-12-22 06:56:53,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:56:53,853 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,853 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] [2020-12-22 06:56:53,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:56:53,853 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1138581304, now seen corresponding path program 1 times [2020-12-22 06:56:53,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979716282] [2020-12-22 06:56:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,973 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 06:56:53,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979716282] [2020-12-22 06:56:53,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:53,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400608158] [2020-12-22 06:56:53,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:53,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:53,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:53,985 INFO L87 Difference]: Start difference. First operand 356 states and 466 transitions. Second operand 5 states. [2020-12-22 06:56:54,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,205 INFO L93 Difference]: Finished difference Result 962 states and 1267 transitions. [2020-12-22 06:56:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:54,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:56:54,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,214 INFO L225 Difference]: With dead ends: 962 [2020-12-22 06:56:54,214 INFO L226 Difference]: Without dead ends: 960 [2020-12-22 06:56:54,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 06:56:54,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-12-22 06:56:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 356. [2020-12-22 06:56:54,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-12-22 06:56:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 464 transitions. [2020-12-22 06:56:54,282 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 464 transitions. Word has length 51 [2020-12-22 06:56:54,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,283 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 464 transitions. [2020-12-22 06:56:54,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 464 transitions. [2020-12-22 06:56:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 06:56:54,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,284 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:54,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:54,285 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1559042752, now seen corresponding path program 1 times [2020-12-22 06:56:54,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900622033] [2020-12-22 06:56:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:54,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900622033] [2020-12-22 06:56:54,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397892786] [2020-12-22 06:56:54,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:56:54,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:54,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:54,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-22 06:56:54,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826379669] [2020-12-22 06:56:54,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:54,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:54,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:54,739 INFO L87 Difference]: Start difference. First operand 356 states and 464 transitions. Second operand 8 states. [2020-12-22 06:56:55,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,231 INFO L93 Difference]: Finished difference Result 1346 states and 1773 transitions. [2020-12-22 06:56:55,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:56:55,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-12-22 06:56:55,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,238 INFO L225 Difference]: With dead ends: 1346 [2020-12-22 06:56:55,239 INFO L226 Difference]: Without dead ends: 1046 [2020-12-22 06:56:55,240 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:56:55,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2020-12-22 06:56:55,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 450. [2020-12-22 06:56:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2020-12-22 06:56:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 580 transitions. [2020-12-22 06:56:55,304 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 580 transitions. Word has length 57 [2020-12-22 06:56:55,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,305 INFO L481 AbstractCegarLoop]: Abstraction has 450 states and 580 transitions. [2020-12-22 06:56:55,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:55,306 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 580 transitions. [2020-12-22 06:56:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:55,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,308 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 06:56:55,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:56:55,524 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,525 INFO L82 PathProgramCache]: Analyzing trace with hash 852511654, now seen corresponding path program 2 times [2020-12-22 06:56:55,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427498431] [2020-12-22 06:56:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:55,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427498431] [2020-12-22 06:56:55,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:55,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:55,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942654644] [2020-12-22 06:56:55,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:55,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:55,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:55,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:55,714 INFO L87 Difference]: Start difference. First operand 450 states and 580 transitions. Second operand 5 states. [2020-12-22 06:56:56,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,137 INFO L93 Difference]: Finished difference Result 1364 states and 1776 transitions. [2020-12-22 06:56:56,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:56,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:56,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,145 INFO L225 Difference]: With dead ends: 1364 [2020-12-22 06:56:56,145 INFO L226 Difference]: Without dead ends: 968 [2020-12-22 06:56:56,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:56,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2020-12-22 06:56:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 626. [2020-12-22 06:56:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2020-12-22 06:56:56,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 799 transitions. [2020-12-22 06:56:56,253 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 799 transitions. Word has length 82 [2020-12-22 06:56:56,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,254 INFO L481 AbstractCegarLoop]: Abstraction has 626 states and 799 transitions. [2020-12-22 06:56:56,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 799 transitions. [2020-12-22 06:56:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-22 06:56:56,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:56,256 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:56,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:56:56,257 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:56,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:56,258 INFO L82 PathProgramCache]: Analyzing trace with hash 458144868, now seen corresponding path program 1 times [2020-12-22 06:56:56,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:56,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127585276] [2020-12-22 06:56:56,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:56:56,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127585276] [2020-12-22 06:56:56,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:56,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:56,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363264481] [2020-12-22 06:56:56,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:56,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:56,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:56,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:56,362 INFO L87 Difference]: Start difference. First operand 626 states and 799 transitions. Second operand 5 states. [2020-12-22 06:56:56,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:56,493 INFO L93 Difference]: Finished difference Result 1134 states and 1440 transitions. [2020-12-22 06:56:56,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:56,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-22 06:56:56,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:56,495 INFO L225 Difference]: With dead ends: 1134 [2020-12-22 06:56:56,495 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:56,496 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 06:56:56,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:56,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:56,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-12-22 06:56:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:56,498 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:56,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:56,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:56,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:56,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:56,774 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 117 [2020-12-22 06:56:57,377 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2020-12-22 06:56:57,853 WARN L197 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 174 [2020-12-22 06:56:58,356 WARN L197 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 161 [2020-12-22 06:56:58,512 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 89 [2020-12-22 06:56:59,030 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2020-12-22 06:56:59,211 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 106 [2020-12-22 06:56:59,449 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 137 [2020-12-22 06:56:59,801 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 173 [2020-12-22 06:56:59,926 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 94 [2020-12-22 06:57:00,481 WARN L197 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 25 [2020-12-22 06:57:01,795 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 178 DAG size of output: 17 [2020-12-22 06:57:02,777 WARN L197 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 17 [2020-12-22 06:57:03,123 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 20 [2020-12-22 06:57:04,073 WARN L197 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 10 [2020-12-22 06:57:04,575 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 19 [2020-12-22 06:57:05,930 WARN L197 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 178 DAG size of output: 17 [2020-12-22 06:57:06,564 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 26 [2020-12-22 06:57:07,338 WARN L197 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 25 [2020-12-22 06:57:08,496 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2020-12-22 06:57:08,803 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 18 [2020-12-22 06:57:08,938 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2020-12-22 06:57:09,166 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 9 [2020-12-22 06:57:09,176 INFO L189 CegarLoopUtils]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,177 INFO L189 CegarLoopUtils]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,177 INFO L189 CegarLoopUtils]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,177 INFO L189 CegarLoopUtils]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,177 INFO L189 CegarLoopUtils]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,177 INFO L189 CegarLoopUtils]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,177 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2020-12-22 06:57:09,178 INFO L185 CegarLoopUtils]: At program point L268(lines 263 271) the Hoare annotation is: false [2020-12-22 06:57:09,178 INFO L185 CegarLoopUtils]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2020-12-22 06:57:09,178 INFO L185 CegarLoopUtils]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2020-12-22 06:57:09,178 INFO L189 CegarLoopUtils]: For program point L468(lines 468 475) no Hoare annotation was computed. [2020-12-22 06:57:09,178 INFO L192 CegarLoopUtils]: At program point L468-1(lines 468 475) the Hoare annotation is: true [2020-12-22 06:57:09,178 INFO L189 CegarLoopUtils]: For program point L369(lines 369 375) no Hoare annotation was computed. [2020-12-22 06:57:09,178 INFO L189 CegarLoopUtils]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,178 INFO L189 CegarLoopUtils]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2020-12-22 06:57:09,178 INFO L189 CegarLoopUtils]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,179 INFO L189 CegarLoopUtils]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,179 INFO L189 CegarLoopUtils]: For program point L369-4(lines 369 375) no Hoare annotation was computed. [2020-12-22 06:57:09,179 INFO L189 CegarLoopUtils]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,179 INFO L185 CegarLoopUtils]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:09,180 INFO L189 CegarLoopUtils]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,180 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-12-22 06:57:09,180 INFO L185 CegarLoopUtils]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-12-22 06:57:09,180 INFO L189 CegarLoopUtils]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,180 INFO L185 CegarLoopUtils]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-12-22 06:57:09,180 INFO L189 CegarLoopUtils]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,180 INFO L189 CegarLoopUtils]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,180 INFO L189 CegarLoopUtils]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L931(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L931-1(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L931-2(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L931-3(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L931-4(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2020-12-22 06:57:09,181 INFO L189 CegarLoopUtils]: For program point L931-5(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L931-6(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L931-7(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L931-8(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L931-9(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L931-10(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L931-11(lines 931 937) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2020-12-22 06:57:09,182 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:09,183 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:09,183 INFO L185 CegarLoopUtils]: At program point L936(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,183 INFO L185 CegarLoopUtils]: At program point L936-1(lines 927 940) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse0 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-12-22 06:57:09,183 INFO L185 CegarLoopUtils]: At program point L936-2(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,183 INFO L185 CegarLoopUtils]: At program point L936-3(lines 927 940) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-12-22 06:57:09,183 INFO L185 CegarLoopUtils]: At program point L936-4(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L936-5(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L936-6(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L936-7(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L936-8(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L936-9(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L936-10(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L936-11(lines 927 940) the Hoare annotation is: false [2020-12-22 06:57:09,184 INFO L185 CegarLoopUtils]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:09,185 INFO L185 CegarLoopUtils]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:09,185 INFO L185 CegarLoopUtils]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:09,185 INFO L185 CegarLoopUtils]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:09,185 INFO L185 CegarLoopUtils]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:09,185 INFO L185 CegarLoopUtils]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2020-12-22 06:57:09,185 INFO L185 CegarLoopUtils]: At program point L442(lines 438 444) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:09,185 INFO L192 CegarLoopUtils]: At program point L477(lines 458 480) the Hoare annotation is: true [2020-12-22 06:57:09,185 INFO L189 CegarLoopUtils]: For program point L215(lines 215 232) no Hoare annotation was computed. [2020-12-22 06:57:09,185 INFO L189 CegarLoopUtils]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L878(lines 878 882) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,186 INFO L189 CegarLoopUtils]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,187 INFO L189 CegarLoopUtils]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L219(lines 219 227) no Hoare annotation was computed. [2020-12-22 06:57:09,188 INFO L189 CegarLoopUtils]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2020-12-22 06:57:09,189 INFO L189 CegarLoopUtils]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2020-12-22 06:57:09,189 INFO L189 CegarLoopUtils]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2020-12-22 06:57:09,189 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-12-22 06:57:09,189 INFO L185 CegarLoopUtils]: At program point L946(lines 941 949) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-12-22 06:57:09,189 INFO L185 CegarLoopUtils]: At program point L946-1(lines 941 949) the Hoare annotation is: false [2020-12-22 06:57:09,189 INFO L185 CegarLoopUtils]: At program point L946-2(lines 941 949) the Hoare annotation is: false [2020-12-22 06:57:09,189 INFO L185 CegarLoopUtils]: At program point L946-3(lines 941 949) the Hoare annotation is: false [2020-12-22 06:57:09,190 INFO L185 CegarLoopUtils]: At program point L946-4(lines 941 949) the Hoare annotation is: false [2020-12-22 06:57:09,190 INFO L185 CegarLoopUtils]: At program point L946-5(lines 941 949) the Hoare annotation is: false [2020-12-22 06:57:09,190 INFO L189 CegarLoopUtils]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:09,190 INFO L189 CegarLoopUtils]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:09,190 INFO L189 CegarLoopUtils]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:09,190 INFO L189 CegarLoopUtils]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:09,190 INFO L189 CegarLoopUtils]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:09,191 INFO L189 CegarLoopUtils]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:57:09,191 INFO L185 CegarLoopUtils]: At program point L982(lines 1 993) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:09,191 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:09,191 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-12-22 06:57:09,191 INFO L185 CegarLoopUtils]: At program point L323(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,191 INFO L185 CegarLoopUtils]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-12-22 06:57:09,192 INFO L185 CegarLoopUtils]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,192 INFO L185 CegarLoopUtils]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 (<= 1 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)))) [2020-12-22 06:57:09,192 INFO L185 CegarLoopUtils]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,192 INFO L185 CegarLoopUtils]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,192 INFO L185 CegarLoopUtils]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,192 INFO L185 CegarLoopUtils]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,192 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-12-22 06:57:09,193 INFO L185 CegarLoopUtils]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,193 INFO L185 CegarLoopUtils]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,193 INFO L185 CegarLoopUtils]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,193 INFO L185 CegarLoopUtils]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2020-12-22 06:57:09,193 INFO L185 CegarLoopUtils]: At program point L259(lines 252 262) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:09,193 INFO L185 CegarLoopUtils]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2020-12-22 06:57:09,193 INFO L189 CegarLoopUtils]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:09,193 INFO L185 CegarLoopUtils]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point L854(lines 854 858) no Hoare annotation was computed. [2020-12-22 06:57:09,194 INFO L189 CegarLoopUtils]: For program point L854-3(lines 854 858) no Hoare annotation was computed. [2020-12-22 06:57:09,195 INFO L189 CegarLoopUtils]: For program point L854-6(lines 854 858) no Hoare annotation was computed. [2020-12-22 06:57:09,195 INFO L189 CegarLoopUtils]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-12-22 06:57:09,195 INFO L185 CegarLoopUtils]: At program point L95-2(lines 131 137) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-12-22 06:57:09,195 INFO L189 CegarLoopUtils]: For program point L955(line 955) no Hoare annotation was computed. [2020-12-22 06:57:09,195 INFO L189 CegarLoopUtils]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-12-22 06:57:09,195 INFO L189 CegarLoopUtils]: For program point L955-2(line 955) no Hoare annotation was computed. [2020-12-22 06:57:09,195 INFO L185 CegarLoopUtils]: At program point L394-2(lines 394 408) the Hoare annotation is: false [2020-12-22 06:57:09,195 INFO L189 CegarLoopUtils]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,195 INFO L189 CegarLoopUtils]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,196 INFO L189 CegarLoopUtils]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,196 INFO L189 CegarLoopUtils]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,196 INFO L189 CegarLoopUtils]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,196 INFO L189 CegarLoopUtils]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,196 INFO L189 CegarLoopUtils]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,196 INFO L189 CegarLoopUtils]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,196 INFO L185 CegarLoopUtils]: At program point L923(lines 918 926) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-12-22 06:57:09,196 INFO L189 CegarLoopUtils]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,197 INFO L185 CegarLoopUtils]: At program point L923-1(lines 918 926) the Hoare annotation is: false [2020-12-22 06:57:09,197 INFO L189 CegarLoopUtils]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,197 INFO L189 CegarLoopUtils]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,197 INFO L185 CegarLoopUtils]: At program point L923-2(lines 918 926) the Hoare annotation is: false [2020-12-22 06:57:09,197 INFO L189 CegarLoopUtils]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:57:09,197 INFO L189 CegarLoopUtils]: For program point L395(line 395) no Hoare annotation was computed. [2020-12-22 06:57:09,197 INFO L185 CegarLoopUtils]: At program point L131(lines 130 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:09,197 INFO L189 CegarLoopUtils]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-12-22 06:57:09,198 INFO L185 CegarLoopUtils]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-12-22 06:57:09,198 INFO L185 CegarLoopUtils]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-12-22 06:57:09,198 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:09,198 INFO L185 CegarLoopUtils]: At program point L990(lines 985 993) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:09,198 INFO L185 CegarLoopUtils]: At program point L891(lines 886 894) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:57:09,198 INFO L185 CegarLoopUtils]: At program point L891-1(lines 886 894) the Hoare annotation is: false [2020-12-22 06:57:09,198 INFO L185 CegarLoopUtils]: At program point L891-2(lines 886 894) the Hoare annotation is: false [2020-12-22 06:57:09,198 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2020-12-22 06:57:09,199 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:57:09,199 INFO L185 CegarLoopUtils]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2020-12-22 06:57:09,199 INFO L189 CegarLoopUtils]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-12-22 06:57:09,199 INFO L189 CegarLoopUtils]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-12-22 06:57:09,199 INFO L189 CegarLoopUtils]: For program point L398-1(lines 131 137) no Hoare annotation was computed. [2020-12-22 06:57:09,199 INFO L185 CegarLoopUtils]: At program point L365-1(lines 1 993) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4) (and (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 ~systemActive~0) .cse0 .cse2 .cse3))) [2020-12-22 06:57:09,199 INFO L189 CegarLoopUtils]: For program point L365-2(lines 365 378) no Hoare annotation was computed. [2020-12-22 06:57:09,200 INFO L185 CegarLoopUtils]: At program point L365-3(lines 1 993) the Hoare annotation is: false [2020-12-22 06:57:09,200 INFO L189 CegarLoopUtils]: For program point L365-4(lines 365 378) no Hoare annotation was computed. [2020-12-22 06:57:09,200 INFO L185 CegarLoopUtils]: At program point L365-5(lines 1 993) the Hoare annotation is: false [2020-12-22 06:57:09,200 INFO L189 CegarLoopUtils]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,200 INFO L189 CegarLoopUtils]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,200 INFO L189 CegarLoopUtils]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,200 INFO L189 CegarLoopUtils]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,200 INFO L189 CegarLoopUtils]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,200 INFO L189 CegarLoopUtils]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:57:09,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:09 BoogieIcfgContainer [2020-12-22 06:57:09,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:09,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:09,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:09,231 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:09,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:51" (3/4) ... [2020-12-22 06:57:09,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:09,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:09,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:09,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:09,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:09,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:09,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:09,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:09,306 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result)) || ((((methaneLevelCritical == 0 && waterLevel == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:09,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) [2020-12-22 06:57:09,310 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-12-22 06:57:09,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:09,314 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:09,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == 0) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 [2020-12-22 06:57:09,316 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:09,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && splverifierCounter == 0 [2020-12-22 06:57:09,318 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:09,424 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product54.cil.c-witness.graphml [2020-12-22 06:57:09,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:09,425 INFO L168 Benchmark]: Toolchain (without parser) took 20637.36 ms. Allocated memory was 159.4 MB in the beginning and 345.0 MB in the end (delta: 185.6 MB). Free memory was 133.7 MB in the beginning and 190.5 MB in the end (delta: -56.8 MB). Peak memory consumption was 130.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:09,426 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 159.4 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:09,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.80 ms. Allocated memory is still 159.4 MB. Free memory was 133.5 MB in the beginning and 111.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:09,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.53 ms. Allocated memory is still 159.4 MB. Free memory was 111.7 MB in the beginning and 106.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:09,427 INFO L168 Benchmark]: Boogie Preprocessor took 61.96 ms. Allocated memory is still 159.4 MB. Free memory was 106.7 MB in the beginning and 103.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:09,427 INFO L168 Benchmark]: RCFGBuilder took 1459.48 ms. Allocated memory is still 159.4 MB. Free memory was 103.1 MB in the beginning and 132.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 40.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:09,428 INFO L168 Benchmark]: TraceAbstraction took 17995.04 ms. Allocated memory was 159.4 MB in the beginning and 345.0 MB in the end (delta: 185.6 MB). Free memory was 132.0 MB in the beginning and 205.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 204.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:09,428 INFO L168 Benchmark]: Witness Printer took 192.88 ms. Allocated memory is still 345.0 MB. Free memory was 205.8 MB in the beginning and 190.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:09,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 159.4 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 838.80 ms. Allocated memory is still 159.4 MB. Free memory was 133.5 MB in the beginning and 111.7 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.53 ms. Allocated memory is still 159.4 MB. Free memory was 111.7 MB in the beginning and 106.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 61.96 ms. Allocated memory is still 159.4 MB. Free memory was 106.7 MB in the beginning and 103.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1459.48 ms. Allocated memory is still 159.4 MB. Free memory was 103.1 MB in the beginning and 132.5 MB in the end (delta: -29.4 MB). Peak memory consumption was 40.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17995.04 ms. Allocated memory was 159.4 MB in the beginning and 345.0 MB in the end (delta: 185.6 MB). Free memory was 132.0 MB in the beginning and 205.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 204.5 MB. Max. memory is 8.0 GB. * Witness Printer took 192.88 ms. Allocated memory is still 345.0 MB. Free memory was 205.8 MB in the beginning and 190.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: 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: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result)) || ((((methaneLevelCritical == 0 && waterLevel == systemActive) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((tmp == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((tmp___0 == 0 && tmp == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((((tmp___0 == 0 && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && 1 == systemActive) && tmp == 0) && \result == 0) && tmp___0 == 1) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == 0) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1615 SDtfs, 2814 SDslu, 2971 SDs, 0 SdLazy, 458 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=626occurred 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2278 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 67 PreInvPairs, 257 NumberOfFragments, 509 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1114668 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 67 FomulaSimplificationsInter, 376687 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 570 NumberOfCodeBlocks, 570 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 557 ConstructedInterpolants, 0 QuantifiedInterpolants, 49691 SizeOfPredicates, 3 NumberOfNonLiveVariables, 444 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 170/176 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...