/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_spec5_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:40,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:40,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:40,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:40,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:40,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:40,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:40,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:40,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:40,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:40,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:40,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:40,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:40,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:40,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:40,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:40,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:40,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:40,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:40,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:40,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:40,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:40,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:40,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:40,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:40,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:40,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:40,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:40,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:40,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:40,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:40,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:40,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:40,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:40,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:40,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:40,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:40,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:40,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:40,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:40,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:40,272 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:40,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:40,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:40,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:40,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:40,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:40,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:40,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:40,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:40,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:40,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:40,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:40,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:40,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:40,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:40,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:40,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:40,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:40,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:40,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:40,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:40,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:40,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:40,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:40,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:40,777 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:40,778 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:40,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-12-22 06:57:40,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f15a5f3d/2cbb25c68f344414b6a6ebe33f936b7d/FLAGc6d95e241 [2020-12-22 06:57:41,596 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:41,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-12-22 06:57:41,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f15a5f3d/2cbb25c68f344414b6a6ebe33f936b7d/FLAGc6d95e241 [2020-12-22 06:57:41,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f15a5f3d/2cbb25c68f344414b6a6ebe33f936b7d [2020-12-22 06:57:41,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:41,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:41,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:41,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:41,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:41,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d0a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41, skipping insertion in model container [2020-12-22 06:57:41,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:41,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:42,389 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_spec5_product43.cil.c[18213,18226] [2020-12-22 06:57:42,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:42,403 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:42,480 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_spec5_product43.cil.c[18213,18226] [2020-12-22 06:57:42,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:42,517 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:42,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42 WrapperNode [2020-12-22 06:57:42,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:42,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:42,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:42,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:42,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:42,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:42,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:42,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:42,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (1/1) ... [2020-12-22 06:57:42,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:42,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:42,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:42,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:42,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (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 06:57:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:44,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:44,080 INFO L299 CfgBuilder]: Removed 132 assume(true) statements. [2020-12-22 06:57:44,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:44 BoogieIcfgContainer [2020-12-22 06:57:44,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:44,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:44,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:44,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:44,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:41" (1/3) ... [2020-12-22 06:57:44,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74311895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:44, skipping insertion in model container [2020-12-22 06:57:44,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:42" (2/3) ... [2020-12-22 06:57:44,095 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74311895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:44, skipping insertion in model container [2020-12-22 06:57:44,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:44" (3/3) ... [2020-12-22 06:57:44,097 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-12-22 06:57:44,104 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:44,109 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:44,128 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:44,155 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:44,155 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:44,156 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:44,156 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:44,156 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:44,156 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:44,156 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:44,156 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-12-22 06:57:44,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:44,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:44,183 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,189 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2020-12-22 06:57:44,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870656578] [2020-12-22 06:57:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,528 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 06:57:44,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870656578] [2020-12-22 06:57:44,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:44,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544805281] [2020-12-22 06:57:44,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:44,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:44,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:44,552 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2020-12-22 06:57:44,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,585 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2020-12-22 06:57:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:44,586 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:44,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,598 INFO L225 Difference]: With dead ends: 189 [2020-12-22 06:57:44,598 INFO L226 Difference]: Without dead ends: 94 [2020-12-22 06:57:44,602 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 06:57:44,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-22 06:57:44,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-12-22 06:57:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-22 06:57:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-12-22 06:57:44,653 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-12-22 06:57:44,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,653 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-12-22 06:57:44,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-12-22 06:57:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:44,655 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,655 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] [2020-12-22 06:57:44,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:44,656 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2020-12-22 06:57:44,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663292419] [2020-12-22 06:57:44,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,792 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 06:57:44,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663292419] [2020-12-22 06:57:44,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:44,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400259162] [2020-12-22 06:57:44,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:44,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:44,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:44,800 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-12-22 06:57:44,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,828 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-12-22 06:57:44,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:44,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:44,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,831 INFO L225 Difference]: With dead ends: 94 [2020-12-22 06:57:44,831 INFO L226 Difference]: Without dead ends: 43 [2020-12-22 06:57:44,833 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 06:57:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-22 06:57:44,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-12-22 06:57:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-12-22 06:57:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-12-22 06:57:44,847 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-12-22 06:57:44,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,847 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-12-22 06:57:44,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:44,848 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-12-22 06:57:44,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:44,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,849 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] [2020-12-22 06:57:44,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:44,849 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,850 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2020-12-22 06:57:44,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808918282] [2020-12-22 06:57:44,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,014 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 06:57:45,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808918282] [2020-12-22 06:57:45,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:45,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221363197] [2020-12-22 06:57:45,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:45,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:45,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:45,022 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 6 states. [2020-12-22 06:57:45,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,307 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2020-12-22 06:57:45,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:45,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-22 06:57:45,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,310 INFO L225 Difference]: With dead ends: 141 [2020-12-22 06:57:45,310 INFO L226 Difference]: Without dead ends: 105 [2020-12-22 06:57:45,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:45,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-12-22 06:57:45,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2020-12-22 06:57:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-22 06:57:45,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-12-22 06:57:45,323 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2020-12-22 06:57:45,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,323 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-12-22 06:57:45,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-12-22 06:57:45,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:45,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,325 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] [2020-12-22 06:57:45,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:45,326 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2020-12-22 06:57:45,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015174154] [2020-12-22 06:57:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,444 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 06:57:45,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015174154] [2020-12-22 06:57:45,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:45,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173485532] [2020-12-22 06:57:45,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:45,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:45,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,454 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2020-12-22 06:57:45,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,521 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2020-12-22 06:57:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:45,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:45,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,523 INFO L225 Difference]: With dead ends: 147 [2020-12-22 06:57:45,523 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:57:45,524 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 06:57:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:57:45,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-12-22 06:57:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:57:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-12-22 06:57:45,539 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2020-12-22 06:57:45,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,541 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-12-22 06:57:45,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-12-22 06:57:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-22 06:57:45,542 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,543 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] [2020-12-22 06:57:45,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:45,543 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,545 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2020-12-22 06:57:45,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619487850] [2020-12-22 06:57:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,685 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 06:57:45,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619487850] [2020-12-22 06:57:45,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:45,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889992881] [2020-12-22 06:57:45,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:45,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:45,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:45,688 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-12-22 06:57:45,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,869 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2020-12-22 06:57:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:45,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-12-22 06:57:45,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,871 INFO L225 Difference]: With dead ends: 288 [2020-12-22 06:57:45,871 INFO L226 Difference]: Without dead ends: 208 [2020-12-22 06:57:45,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:45,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-22 06:57:45,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2020-12-22 06:57:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-22 06:57:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2020-12-22 06:57:45,888 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2020-12-22 06:57:45,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,888 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2020-12-22 06:57:45,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2020-12-22 06:57:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:45,890 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:45,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:45,891 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,891 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2020-12-22 06:57:45,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378439983] [2020-12-22 06:57:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,990 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 06:57:45,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378439983] [2020-12-22 06:57:45,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:45,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844793388] [2020-12-22 06:57:45,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:45,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:45,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:45,993 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2020-12-22 06:57:46,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,069 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2020-12-22 06:57:46,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:46,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:57:46,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,071 INFO L225 Difference]: With dead ends: 251 [2020-12-22 06:57:46,071 INFO L226 Difference]: Without dead ends: 173 [2020-12-22 06:57:46,072 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 06:57:46,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-12-22 06:57:46,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2020-12-22 06:57:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-22 06:57:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-12-22 06:57:46,089 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2020-12-22 06:57:46,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,090 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-12-22 06:57:46,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-12-22 06:57:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:46,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,093 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:46,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:46,093 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,094 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2020-12-22 06:57:46,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32962965] [2020-12-22 06:57:46,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:46,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32962965] [2020-12-22 06:57:46,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:46,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629455504] [2020-12-22 06:57:46,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:46,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:46,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:46,192 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2020-12-22 06:57:46,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,244 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2020-12-22 06:57:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:46,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-12-22 06:57:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,246 INFO L225 Difference]: With dead ends: 217 [2020-12-22 06:57:46,246 INFO L226 Difference]: Without dead ends: 136 [2020-12-22 06:57:46,248 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 06:57:46,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-12-22 06:57:46,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2020-12-22 06:57:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-12-22 06:57:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-12-22 06:57:46,269 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2020-12-22 06:57:46,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,271 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-12-22 06:57:46,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:46,271 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-12-22 06:57:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:46,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:46,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:46,275 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2020-12-22 06:57:46,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784533134] [2020-12-22 06:57:46,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,351 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 06:57:46,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784533134] [2020-12-22 06:57:46,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:46,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751983848] [2020-12-22 06:57:46,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:46,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:46,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:46,353 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2020-12-22 06:57:46,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,391 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2020-12-22 06:57:46,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:46,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:57:46,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,394 INFO L225 Difference]: With dead ends: 222 [2020-12-22 06:57:46,394 INFO L226 Difference]: Without dead ends: 139 [2020-12-22 06:57:46,394 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 06:57:46,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-12-22 06:57:46,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-12-22 06:57:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-22 06:57:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-12-22 06:57:46,411 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2020-12-22 06:57:46,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,411 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-12-22 06:57:46,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-12-22 06:57:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:46,413 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:46,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:46,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:46,413 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:46,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2020-12-22 06:57:46,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:46,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608480533] [2020-12-22 06:57:46,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:46,544 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 06:57:46,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608480533] [2020-12-22 06:57:46,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:46,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:46,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134713261] [2020-12-22 06:57:46,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:46,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:46,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:46,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:46,553 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2020-12-22 06:57:47,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:47,014 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2020-12-22 06:57:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:47,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-22 06:57:47,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:47,018 INFO L225 Difference]: With dead ends: 628 [2020-12-22 06:57:47,019 INFO L226 Difference]: Without dead ends: 545 [2020-12-22 06:57:47,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:47,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-12-22 06:57:47,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2020-12-22 06:57:47,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-22 06:57:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2020-12-22 06:57:47,055 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2020-12-22 06:57:47,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:47,055 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2020-12-22 06:57:47,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2020-12-22 06:57:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:47,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:47,059 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:47,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:47,060 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:47,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:47,061 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2020-12-22 06:57:47,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:47,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474663459] [2020-12-22 06:57:47,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474663459] [2020-12-22 06:57:47,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848146860] [2020-12-22 06:57:47,145 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 06:57:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:47,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:47,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:47,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:47,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-22 06:57:47,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84402482] [2020-12-22 06:57:47,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:57:47,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:47,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:57:47,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:47,589 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2020-12-22 06:57:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:48,053 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2020-12-22 06:57:48,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:48,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-22 06:57:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:48,055 INFO L225 Difference]: With dead ends: 459 [2020-12-22 06:57:48,056 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:48,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:48,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:48,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-22 06:57:48,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:48,058 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:48,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:57:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:48,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:48,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:48,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:48,773 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-12-22 06:57:49,338 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 20 [2020-12-22 06:57:49,730 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2020-12-22 06:57:49,989 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-12-22 06:57:50,424 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-12-22 06:57:50,838 WARN L197 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2020-12-22 06:57:51,385 WARN L197 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2020-12-22 06:57:51,586 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-12-22 06:57:52,285 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-12-22 06:57:52,817 WARN L197 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2020-12-22 06:57:52,975 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2020-12-22 06:57:53,357 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-12-22 06:57:53,848 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-12-22 06:57:53,855 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2020-12-22 06:57:53,855 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:53,855 INFO L189 CegarLoopUtils]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-12-22 06:57:53,855 INFO L189 CegarLoopUtils]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-12-22 06:57:53,855 INFO L189 CegarLoopUtils]: For program point L863-2(lines 863 869) no Hoare annotation was computed. [2020-12-22 06:57:53,855 INFO L189 CegarLoopUtils]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-12-22 06:57:53,855 INFO L192 CegarLoopUtils]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-12-22 06:57:53,856 INFO L185 CegarLoopUtils]: At program point L946(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:53,856 INFO L189 CegarLoopUtils]: For program point L963(line 963) no Hoare annotation was computed. [2020-12-22 06:57:53,856 INFO L189 CegarLoopUtils]: For program point L963-1(line 963) no Hoare annotation was computed. [2020-12-22 06:57:53,856 INFO L189 CegarLoopUtils]: For program point L963-2(line 963) no Hoare annotation was computed. [2020-12-22 06:57:53,856 INFO L189 CegarLoopUtils]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:53,856 INFO L189 CegarLoopUtils]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:53,856 INFO L189 CegarLoopUtils]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:53,856 INFO L189 CegarLoopUtils]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:53,857 INFO L185 CegarLoopUtils]: At program point L881(lines 876 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:57:53,857 INFO L185 CegarLoopUtils]: At program point L601(lines 597 619) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse3 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2020-12-22 06:57:53,857 INFO L185 CegarLoopUtils]: At program point L601-1(lines 597 619) the Hoare annotation is: false [2020-12-22 06:57:53,858 INFO L189 CegarLoopUtils]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-12-22 06:57:53,858 INFO L185 CegarLoopUtils]: At program point L601-2(lines 597 619) the Hoare annotation is: false [2020-12-22 06:57:53,858 INFO L185 CegarLoopUtils]: At program point L535-1(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-12-22 06:57:53,858 INFO L185 CegarLoopUtils]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-12-22 06:57:53,859 INFO L189 CegarLoopUtils]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-12-22 06:57:53,859 INFO L185 CegarLoopUtils]: At program point L767-1(lines 767 773) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:53,859 INFO L189 CegarLoopUtils]: For program point L421(line 421) no Hoare annotation was computed. [2020-12-22 06:57:53,859 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:53,859 INFO L185 CegarLoopUtils]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-12-22 06:57:53,859 INFO L185 CegarLoopUtils]: At program point L868(lines 859 872) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2020-12-22 06:57:53,860 INFO L185 CegarLoopUtils]: At program point L868-1(lines 859 872) the Hoare annotation is: false [2020-12-22 06:57:53,860 INFO L185 CegarLoopUtils]: At program point L868-2(lines 859 872) the Hoare annotation is: false [2020-12-22 06:57:53,860 INFO L189 CegarLoopUtils]: For program point L670(lines 670 676) no Hoare annotation was computed. [2020-12-22 06:57:53,860 INFO L189 CegarLoopUtils]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:53,860 INFO L189 CegarLoopUtils]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:53,860 INFO L189 CegarLoopUtils]: For program point L670-2(lines 670 676) no Hoare annotation was computed. [2020-12-22 06:57:53,860 INFO L189 CegarLoopUtils]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:53,861 INFO L189 CegarLoopUtils]: For program point L670-4(lines 670 676) no Hoare annotation was computed. [2020-12-22 06:57:53,861 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2020-12-22 06:57:53,861 INFO L189 CegarLoopUtils]: For program point L786(lines 786 790) no Hoare annotation was computed. [2020-12-22 06:57:53,861 INFO L189 CegarLoopUtils]: For program point L753(lines 753 757) no Hoare annotation was computed. [2020-12-22 06:57:53,861 INFO L189 CegarLoopUtils]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2020-12-22 06:57:53,861 INFO L189 CegarLoopUtils]: For program point L786-3(lines 786 790) no Hoare annotation was computed. [2020-12-22 06:57:53,861 INFO L189 CegarLoopUtils]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2020-12-22 06:57:53,862 INFO L189 CegarLoopUtils]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2020-12-22 06:57:53,862 INFO L189 CegarLoopUtils]: For program point L786-6(lines 786 790) no Hoare annotation was computed. [2020-12-22 06:57:53,862 INFO L189 CegarLoopUtils]: For program point L555(lines 555 568) no Hoare annotation was computed. [2020-12-22 06:57:53,862 INFO L189 CegarLoopUtils]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2020-12-22 06:57:53,862 INFO L189 CegarLoopUtils]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2020-12-22 06:57:53,862 INFO L189 CegarLoopUtils]: For program point L902(lines 902 919) no Hoare annotation was computed. [2020-12-22 06:57:53,863 INFO L185 CegarLoopUtils]: At program point L902-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse1 .cse2))) [2020-12-22 06:57:53,863 INFO L189 CegarLoopUtils]: For program point L902-2(lines 902 919) no Hoare annotation was computed. [2020-12-22 06:57:53,863 INFO L185 CegarLoopUtils]: At program point L902-3(lines 1 966) the Hoare annotation is: false [2020-12-22 06:57:53,863 INFO L189 CegarLoopUtils]: For program point L902-4(lines 902 919) no Hoare annotation was computed. [2020-12-22 06:57:53,863 INFO L185 CegarLoopUtils]: At program point L902-5(lines 1 966) the Hoare annotation is: false [2020-12-22 06:57:53,863 INFO L185 CegarLoopUtils]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 .cse3 (<= 2 ~waterLevel~0) .cse0 .cse4 .cse1) (and (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-12-22 06:57:53,864 INFO L185 CegarLoopUtils]: At program point L704-1(lines 699 707) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2020-12-22 06:57:53,864 INFO L185 CegarLoopUtils]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2020-12-22 06:57:53,864 INFO L185 CegarLoopUtils]: At program point L704-3(lines 699 707) the Hoare annotation is: false [2020-12-22 06:57:53,864 INFO L185 CegarLoopUtils]: At program point L704-4(lines 699 707) the Hoare annotation is: false [2020-12-22 06:57:53,864 INFO L185 CegarLoopUtils]: At program point L704-5(lines 699 707) the Hoare annotation is: false [2020-12-22 06:57:53,864 INFO L189 CegarLoopUtils]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-12-22 06:57:53,864 INFO L189 CegarLoopUtils]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2020-12-22 06:57:53,868 INFO L185 CegarLoopUtils]: At program point L573(lines 524 574) the Hoare annotation is: false [2020-12-22 06:57:53,869 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:53,869 INFO L185 CegarLoopUtils]: At program point L954(lines 949 957) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:53,870 INFO L185 CegarLoopUtils]: At program point L855(lines 850 858) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2))) [2020-12-22 06:57:53,870 INFO L185 CegarLoopUtils]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2020-12-22 06:57:53,870 INFO L185 CegarLoopUtils]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2020-12-22 06:57:53,870 INFO L185 CegarLoopUtils]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-12-22 06:57:53,871 INFO L185 CegarLoopUtils]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2020-12-22 06:57:53,871 INFO L185 CegarLoopUtils]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2020-12-22 06:57:53,871 INFO L192 CegarLoopUtils]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-12-22 06:57:53,871 INFO L185 CegarLoopUtils]: At program point L823(lines 818 826) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:53,871 INFO L185 CegarLoopUtils]: At program point L823-1(lines 818 826) the Hoare annotation is: false [2020-12-22 06:57:53,871 INFO L185 CegarLoopUtils]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2020-12-22 06:57:53,871 INFO L189 CegarLoopUtils]: For program point L526(lines 525 572) no Hoare annotation was computed. [2020-12-22 06:57:53,871 INFO L189 CegarLoopUtils]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L189 CegarLoopUtils]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L189 CegarLoopUtils]: For program point L906-4(lines 906 916) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L189 CegarLoopUtils]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L189 CegarLoopUtils]: For program point L907(lines 907 913) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L189 CegarLoopUtils]: For program point L907-2(lines 907 913) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L189 CegarLoopUtils]: For program point L907-4(lines 907 913) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:53,872 INFO L185 CegarLoopUtils]: At program point L891(lines 601 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2020-12-22 06:57:53,873 INFO L185 CegarLoopUtils]: At program point L891-1(lines 601 607) the Hoare annotation is: false [2020-12-22 06:57:53,873 INFO L185 CegarLoopUtils]: At program point L891-2(lines 601 607) the Hoare annotation is: false [2020-12-22 06:57:53,873 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2020-12-22 06:57:53,873 INFO L185 CegarLoopUtils]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 .cse3))) [2020-12-22 06:57:53,873 INFO L185 CegarLoopUtils]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2020-12-22 06:57:53,873 INFO L185 CegarLoopUtils]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2020-12-22 06:57:53,874 INFO L189 CegarLoopUtils]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-12-22 06:57:53,874 INFO L185 CegarLoopUtils]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2020-12-22 06:57:53,874 INFO L189 CegarLoopUtils]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-12-22 06:57:53,874 INFO L185 CegarLoopUtils]: At program point L545-1(lines 545 551) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-12-22 06:57:53,874 INFO L189 CegarLoopUtils]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-12-22 06:57:53,875 INFO L185 CegarLoopUtils]: At program point L695(lines 688 698) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:53,875 INFO L185 CegarLoopUtils]: At program point L695-1(lines 688 698) the Hoare annotation is: false [2020-12-22 06:57:53,875 INFO L185 CegarLoopUtils]: At program point L695-2(lines 688 698) the Hoare annotation is: false [2020-12-22 06:57:53,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:53 BoogieIcfgContainer [2020-12-22 06:57:53,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:53,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:53,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:53,930 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:53,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:44" (3/4) ... [2020-12-22 06:57:53,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:53,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:53,968 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:53,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:53,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:53,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:53,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:53,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:54,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 [2020-12-22 06:57:54,006 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2020-12-22 06:57:54,007 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2020-12-22 06:57:54,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:54,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:54,009 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:54,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-22 06:57:54,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-22 06:57:54,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-22 06:57:54,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:54,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:54,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:54,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-22 06:57:54,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-12-22 06:57:54,018 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:54,126 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product43.cil.c-witness.graphml [2020-12-22 06:57:54,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:54,128 INFO L168 Benchmark]: Toolchain (without parser) took 12247.35 ms. Allocated memory was 152.0 MB in the beginning and 263.2 MB in the end (delta: 111.1 MB). Free memory was 126.0 MB in the beginning and 208.6 MB in the end (delta: -82.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:54,128 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 134.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:54,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.55 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 133.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:54,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.03 ms. Allocated memory is still 152.0 MB. Free memory was 133.6 MB in the beginning and 130.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:54,130 INFO L168 Benchmark]: Boogie Preprocessor took 45.85 ms. Allocated memory is still 152.0 MB. Free memory was 130.6 MB in the beginning and 128.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:54,130 INFO L168 Benchmark]: RCFGBuilder took 1423.09 ms. Allocated memory is still 152.0 MB. Free memory was 128.0 MB in the beginning and 110.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:54,130 INFO L168 Benchmark]: TraceAbstraction took 9844.33 ms. Allocated memory was 152.0 MB in the beginning and 263.2 MB in the end (delta: 111.1 MB). Free memory was 110.3 MB in the beginning and 217.0 MB in the end (delta: -106.6 MB). Peak memory consumption was 108.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:54,131 INFO L168 Benchmark]: Witness Printer took 196.57 ms. Allocated memory is still 263.2 MB. Free memory was 217.0 MB in the beginning and 208.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:54,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 134.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 648.55 ms. Allocated memory is still 152.0 MB. Free memory was 125.8 MB in the beginning and 133.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 75.03 ms. Allocated memory is still 152.0 MB. Free memory was 133.6 MB in the beginning and 130.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.85 ms. Allocated memory is still 152.0 MB. Free memory was 130.6 MB in the beginning and 128.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1423.09 ms. Allocated memory is still 152.0 MB. Free memory was 128.0 MB in the beginning and 110.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9844.33 ms. Allocated memory was 152.0 MB in the beginning and 263.2 MB in the end (delta: 111.1 MB). Free memory was 110.3 MB in the beginning and 217.0 MB in the end (delta: -106.6 MB). Peak memory consumption was 108.3 MB. Max. memory is 8.0 GB. * Witness Printer took 196.57 ms. Allocated memory is still 263.2 MB. Free memory was 217.0 MB in the beginning and 208.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: 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: 859]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1203 SDslu, 1574 SDs, 0 SdLazy, 226 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 616 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 759 HoareAnnotationTreeSize, 45 FomulaSimplifications, 21455 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 45 FomulaSimplificationsInter, 47608 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 27643 SizeOfPredicates, 3 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...