/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_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:39,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:39,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:39,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:39,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:39,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:39,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:39,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:39,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:39,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:39,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:39,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:39,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:39,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:39,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:39,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:39,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:39,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:39,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:39,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:39,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:39,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:39,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:39,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:39,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:39,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:39,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:39,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:39,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:39,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:39,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:39,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:39,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:39,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:39,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:39,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:39,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:39,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:39,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:39,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:39,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:39,290 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:39,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:39,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:39,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:39,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:39,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:39,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:39,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:39,293 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:39,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:39,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:39,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:39,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:39,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:39,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:39,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:39,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:39,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:39,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:39,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:39,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:39,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:39,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:39,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:39,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:39,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:39,792 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:39,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2020-12-22 06:57:39,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d340e78/3c1d0a48534749ac9130bfba9d80caa2/FLAG7e9bc7631 [2020-12-22 06:57:40,680 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:40,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2020-12-22 06:57:40,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d340e78/3c1d0a48534749ac9130bfba9d80caa2/FLAG7e9bc7631 [2020-12-22 06:57:40,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54d340e78/3c1d0a48534749ac9130bfba9d80caa2 [2020-12-22 06:57:40,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:40,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:41,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:41,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:41,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:41,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351b9361 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 06:57:41,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:41,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:41,323 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_product42.cil.c[3369,3382] [2020-12-22 06:57:41,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:41,492 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:41,515 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_product42.cil.c[3369,3382] [2020-12-22 06:57:41,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:41,633 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:41,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41 WrapperNode [2020-12-22 06:57:41,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:41,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:41,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:41,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:41,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:41,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:41,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:41,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:41,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (1/1) ... [2020-12-22 06:57:41,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:41,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:41,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:41,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:41,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (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 06:57:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:41,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:43,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:43,084 INFO L299 CfgBuilder]: Removed 130 assume(true) statements. [2020-12-22 06:57:43,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:43 BoogieIcfgContainer [2020-12-22 06:57:43,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:43,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:43,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:43,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:43,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:40" (1/3) ... [2020-12-22 06:57:43,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a17e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:43, skipping insertion in model container [2020-12-22 06:57:43,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:41" (2/3) ... [2020-12-22 06:57:43,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a17e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:43, skipping insertion in model container [2020-12-22 06:57:43,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:43" (3/3) ... [2020-12-22 06:57:43,096 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-12-22 06:57:43,103 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:43,111 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:43,135 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:43,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:43,165 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:43,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:43,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:43,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:43,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:43,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:43,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-12-22 06:57:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:43,193 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,194 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 06:57:43,195 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,202 INFO L82 PathProgramCache]: Analyzing trace with hash 2002570515, now seen corresponding path program 1 times [2020-12-22 06:57:43,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487677073] [2020-12-22 06:57:43,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,580 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 06:57:43,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487677073] [2020-12-22 06:57:43,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:43,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526017424] [2020-12-22 06:57:43,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:43,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:43,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:43,610 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-12-22 06:57:43,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,646 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2020-12-22 06:57:43,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:43,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,662 INFO L225 Difference]: With dead ends: 185 [2020-12-22 06:57:43,662 INFO L226 Difference]: Without dead ends: 92 [2020-12-22 06:57:43,667 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 06:57:43,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-12-22 06:57:43,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-12-22 06:57:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-22 06:57:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2020-12-22 06:57:43,721 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2020-12-22 06:57:43,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,722 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-12-22 06:57:43,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:43,722 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-12-22 06:57:43,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:43,724 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,724 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 06:57:43,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:43,724 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,726 INFO L82 PathProgramCache]: Analyzing trace with hash -486377228, now seen corresponding path program 1 times [2020-12-22 06:57:43,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097858904] [2020-12-22 06:57:43,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,895 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 06:57:43,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097858904] [2020-12-22 06:57:43,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:43,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136498866] [2020-12-22 06:57:43,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:43,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:43,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:43,900 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2020-12-22 06:57:43,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,913 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-12-22 06:57:43,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:43,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,914 INFO L225 Difference]: With dead ends: 92 [2020-12-22 06:57:43,915 INFO L226 Difference]: Without dead ends: 41 [2020-12-22 06:57:43,916 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 06:57:43,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-22 06:57:43,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-22 06:57:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-22 06:57:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2020-12-22 06:57:43,923 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2020-12-22 06:57:43,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,923 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2020-12-22 06:57:43,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-12-22 06:57:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:43,924 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,925 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 06:57:43,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:43,925 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,926 INFO L82 PathProgramCache]: Analyzing trace with hash 215436409, now seen corresponding path program 1 times [2020-12-22 06:57:43,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180394818] [2020-12-22 06:57:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,041 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 06:57:44,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180394818] [2020-12-22 06:57:44,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:44,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511520062] [2020-12-22 06:57:44,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:44,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:44,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:44,050 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2020-12-22 06:57:44,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,084 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2020-12-22 06:57:44,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:44,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:44,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,086 INFO L225 Difference]: With dead ends: 75 [2020-12-22 06:57:44,086 INFO L226 Difference]: Without dead ends: 41 [2020-12-22 06:57:44,087 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 06:57:44,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-22 06:57:44,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-22 06:57:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-22 06:57:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2020-12-22 06:57:44,094 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2020-12-22 06:57:44,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,094 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2020-12-22 06:57:44,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:44,095 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-12-22 06:57:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:44,096 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,096 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 06:57:44,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:44,097 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,097 INFO L82 PathProgramCache]: Analyzing trace with hash 937029115, now seen corresponding path program 1 times [2020-12-22 06:57:44,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027989370] [2020-12-22 06:57:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,203 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 06:57:44,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027989370] [2020-12-22 06:57:44,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:44,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433399244] [2020-12-22 06:57:44,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:44,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:44,206 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2020-12-22 06:57:44,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,237 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-12-22 06:57:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:44,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:44,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,239 INFO L225 Difference]: With dead ends: 99 [2020-12-22 06:57:44,239 INFO L226 Difference]: Without dead ends: 65 [2020-12-22 06:57:44,240 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 06:57:44,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-22 06:57:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-12-22 06:57:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-22 06:57:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2020-12-22 06:57:44,250 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2020-12-22 06:57:44,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,250 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2020-12-22 06:57:44,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2020-12-22 06:57:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:44,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,252 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] [2020-12-22 06:57:44,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:44,253 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1349052711, now seen corresponding path program 1 times [2020-12-22 06:57:44,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091279750] [2020-12-22 06:57:44,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,340 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 06:57:44,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091279750] [2020-12-22 06:57:44,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:44,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929057043] [2020-12-22 06:57:44,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:44,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:44,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:44,343 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2020-12-22 06:57:44,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,447 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2020-12-22 06:57:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:44,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,450 INFO L225 Difference]: With dead ends: 216 [2020-12-22 06:57:44,450 INFO L226 Difference]: Without dead ends: 160 [2020-12-22 06:57:44,451 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 06:57:44,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-22 06:57:44,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-12-22 06:57:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-22 06:57:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2020-12-22 06:57:44,465 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2020-12-22 06:57:44,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,465 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2020-12-22 06:57:44,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-12-22 06:57:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:44,467 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,467 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 06:57:44,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:44,475 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,476 INFO L82 PathProgramCache]: Analyzing trace with hash -243919497, now seen corresponding path program 1 times [2020-12-22 06:57:44,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710647350] [2020-12-22 06:57:44,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,539 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 06:57:44,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710647350] [2020-12-22 06:57:44,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:44,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137013460] [2020-12-22 06:57:44,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:44,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:44,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:44,543 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2020-12-22 06:57:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,590 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2020-12-22 06:57:44,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:44,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:57:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,592 INFO L225 Difference]: With dead ends: 161 [2020-12-22 06:57:44,592 INFO L226 Difference]: Without dead ends: 106 [2020-12-22 06:57:44,593 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 06:57:44,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-22 06:57:44,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2020-12-22 06:57:44,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-22 06:57:44,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2020-12-22 06:57:44,628 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2020-12-22 06:57:44,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,628 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2020-12-22 06:57:44,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:44,628 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-12-22 06:57:44,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:44,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,630 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 06:57:44,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:44,630 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1255036747, now seen corresponding path program 1 times [2020-12-22 06:57:44,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164371356] [2020-12-22 06:57:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,758 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 06:57:44,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164371356] [2020-12-22 06:57:44,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:44,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583346155] [2020-12-22 06:57:44,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:44,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:44,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:44,768 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2020-12-22 06:57:44,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,854 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2020-12-22 06:57:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:44,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:57:44,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,857 INFO L225 Difference]: With dead ends: 170 [2020-12-22 06:57:44,858 INFO L226 Difference]: Without dead ends: 112 [2020-12-22 06:57:44,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:44,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-22 06:57:44,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2020-12-22 06:57:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-22 06:57:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2020-12-22 06:57:44,894 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2020-12-22 06:57:44,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,895 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2020-12-22 06:57:44,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2020-12-22 06:57:44,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:44,900 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,901 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 06:57:44,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:44,903 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,904 INFO L82 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2020-12-22 06:57:44,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074174208] [2020-12-22 06:57:44,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,023 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 06:57:45,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074174208] [2020-12-22 06:57:45,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:45,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442390848] [2020-12-22 06:57:45,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:45,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:45,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:45,026 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2020-12-22 06:57:45,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,058 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2020-12-22 06:57:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:45,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:57:45,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,060 INFO L225 Difference]: With dead ends: 154 [2020-12-22 06:57:45,060 INFO L226 Difference]: Without dead ends: 94 [2020-12-22 06:57:45,063 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 06:57:45,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-22 06:57:45,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-12-22 06:57:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-22 06:57:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-12-22 06:57:45,094 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2020-12-22 06:57:45,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,096 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-12-22 06:57:45,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-12-22 06:57:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:45,102 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,103 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 06:57:45,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:45,107 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,108 INFO L82 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2020-12-22 06:57:45,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338450179] [2020-12-22 06:57:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,257 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 06:57:45,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338450179] [2020-12-22 06:57:45,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:45,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:45,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614938945] [2020-12-22 06:57:45,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:45,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:45,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:45,266 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 7 states. [2020-12-22 06:57:45,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,559 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2020-12-22 06:57:45,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:45,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-22 06:57:45,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,562 INFO L225 Difference]: With dead ends: 432 [2020-12-22 06:57:45,563 INFO L226 Difference]: Without dead ends: 372 [2020-12-22 06:57:45,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:45,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-12-22 06:57:45,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2020-12-22 06:57:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-22 06:57:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2020-12-22 06:57:45,611 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2020-12-22 06:57:45,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,611 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2020-12-22 06:57:45,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2020-12-22 06:57:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:45,613 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:45,613 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 06:57:45,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:45,613 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:45,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:45,614 INFO L82 PathProgramCache]: Analyzing trace with hash 167223140, now seen corresponding path program 1 times [2020-12-22 06:57:45,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:45,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277103934] [2020-12-22 06:57:45,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,681 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 06:57:45,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277103934] [2020-12-22 06:57:45,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506435649] [2020-12-22 06:57:45,682 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 06:57:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:45,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:45,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:45,934 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 06:57:45,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:45,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-22 06:57:45,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837758018] [2020-12-22 06:57:45,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:57:45,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:45,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:57:45,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:45,937 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 8 states. [2020-12-22 06:57:46,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:46,158 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2020-12-22 06:57:46,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:46,159 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-22 06:57:46,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:46,160 INFO L225 Difference]: With dead ends: 288 [2020-12-22 06:57:46,160 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:46,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:46,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:46,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-22 06:57:46,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:46,162 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:46,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:57:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:46,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:46,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:46,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:46,914 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-22 06:57:47,198 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2020-12-22 06:57:47,313 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-22 06:57:47,482 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-22 06:57:47,609 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-12-22 06:57:47,721 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2020-12-22 06:57:47,904 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-22 06:57:48,081 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-12-22 06:57:48,268 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-12-22 06:57:48,273 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2020-12-22 06:57:48,274 INFO L189 CegarLoopUtils]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:48,274 INFO L189 CegarLoopUtils]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:48,274 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:48,274 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:48,274 INFO L189 CegarLoopUtils]: For program point L185(lines 185 192) no Hoare annotation was computed. [2020-12-22 06:57:48,274 INFO L192 CegarLoopUtils]: At program point L185-1(lines 185 192) the Hoare annotation is: true [2020-12-22 06:57:48,275 INFO L189 CegarLoopUtils]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-12-22 06:57:48,275 INFO L185 CegarLoopUtils]: At program point L945(lines 930 948) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2020-12-22 06:57:48,275 INFO L185 CegarLoopUtils]: At program point L945-1(lines 930 948) the Hoare annotation is: false [2020-12-22 06:57:48,275 INFO L185 CegarLoopUtils]: At program point L945-2(lines 930 948) the Hoare annotation is: false [2020-12-22 06:57:48,275 INFO L189 CegarLoopUtils]: For program point L748(lines 748 761) no Hoare annotation was computed. [2020-12-22 06:57:48,276 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-22 06:57:48,276 INFO L189 CegarLoopUtils]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-12-22 06:57:48,276 INFO L189 CegarLoopUtils]: For program point L203-2(line 203) no Hoare annotation was computed. [2020-12-22 06:57:48,276 INFO L185 CegarLoopUtils]: At program point L881(lines 874 884) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:48,276 INFO L185 CegarLoopUtils]: At program point L881-1(lines 874 884) the Hoare annotation is: false [2020-12-22 06:57:48,276 INFO L185 CegarLoopUtils]: At program point L881-2(lines 874 884) the Hoare annotation is: false [2020-12-22 06:57:48,277 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:48,277 INFO L185 CegarLoopUtils]: At program point L72-1(lines 1 956) the Hoare annotation is: (let ((.cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse4 .cse1 .cse5 .cse6 .cse7 .cse8 .cse9 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse5 .cse6 .cse7 .cse8 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse9 .cse2))) [2020-12-22 06:57:48,277 INFO L189 CegarLoopUtils]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:48,277 INFO L185 CegarLoopUtils]: At program point L72-3(lines 1 956) the Hoare annotation is: false [2020-12-22 06:57:48,277 INFO L189 CegarLoopUtils]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:48,278 INFO L185 CegarLoopUtils]: At program point L72-5(lines 1 956) the Hoare annotation is: false [2020-12-22 06:57:48,278 INFO L185 CegarLoopUtils]: At program point L766(lines 717 767) the Hoare annotation is: false [2020-12-22 06:57:48,278 INFO L185 CegarLoopUtils]: At program point L238(lines 233 241) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:48,278 INFO L185 CegarLoopUtils]: At program point L106-2(lines 106 120) the Hoare annotation is: false [2020-12-22 06:57:48,278 INFO L185 CegarLoopUtils]: At program point L701(lines 692 705) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-12-22 06:57:48,279 INFO L185 CegarLoopUtils]: At program point L701-1(lines 692 705) the Hoare annotation is: false [2020-12-22 06:57:48,279 INFO L185 CegarLoopUtils]: At program point L701-2(lines 692 705) the Hoare annotation is: false [2020-12-22 06:57:48,279 INFO L189 CegarLoopUtils]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-12-22 06:57:48,279 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-22 06:57:48,279 INFO L189 CegarLoopUtils]: For program point L619-3(lines 619 623) no Hoare annotation was computed. [2020-12-22 06:57:48,279 INFO L189 CegarLoopUtils]: For program point L619-6(lines 619 623) no Hoare annotation was computed. [2020-12-22 06:57:48,279 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:48,280 INFO L185 CegarLoopUtils]: At program point L157(lines 153 159) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:48,280 INFO L189 CegarLoopUtils]: For program point L719(lines 718 765) no Hoare annotation was computed. [2020-12-22 06:57:48,280 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2020-12-22 06:57:48,280 INFO L189 CegarLoopUtils]: For program point L819(lines 819 836) no Hoare annotation was computed. [2020-12-22 06:57:48,280 INFO L189 CegarLoopUtils]: For program point L819-1(lines 819 836) no Hoare annotation was computed. [2020-12-22 06:57:48,280 INFO L189 CegarLoopUtils]: For program point L819-2(lines 819 836) no Hoare annotation was computed. [2020-12-22 06:57:48,281 INFO L189 CegarLoopUtils]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-12-22 06:57:48,281 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:48,281 INFO L189 CegarLoopUtils]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:48,281 INFO L189 CegarLoopUtils]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:48,281 INFO L185 CegarLoopUtils]: At program point L787(lines 783 805) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse1))) [2020-12-22 06:57:48,281 INFO L185 CegarLoopUtils]: At program point L787-1(lines 783 805) the Hoare annotation is: false [2020-12-22 06:57:48,282 INFO L185 CegarLoopUtils]: At program point L787-2(lines 783 805) the Hoare annotation is: false [2020-12-22 06:57:48,282 INFO L185 CegarLoopUtils]: At program point L688(lines 683 691) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse6) (and .cse2 .cse1 .cse3 .cse4 .cse7 .cse5 .cse6) (and (= ~waterLevel~0 1) .cse1 .cse7 .cse5))) [2020-12-22 06:57:48,282 INFO L185 CegarLoopUtils]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2020-12-22 06:57:48,282 INFO L189 CegarLoopUtils]: For program point L110(lines 110 114) no Hoare annotation was computed. [2020-12-22 06:57:48,282 INFO L185 CegarLoopUtils]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2020-12-22 06:57:48,282 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:48,283 INFO L189 CegarLoopUtils]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2020-12-22 06:57:48,283 INFO L189 CegarLoopUtils]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:48,283 INFO L189 CegarLoopUtils]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:48,283 INFO L189 CegarLoopUtils]: For program point L738(lines 738 744) no Hoare annotation was computed. [2020-12-22 06:57:48,283 INFO L185 CegarLoopUtils]: At program point L738-1(lines 738 744) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2020-12-22 06:57:48,284 INFO L185 CegarLoopUtils]: At program point L61(lines 787 793) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse4 .cse1) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse1 .cse2))) [2020-12-22 06:57:48,284 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:48,284 INFO L185 CegarLoopUtils]: At program point L61-1(lines 787 793) the Hoare annotation is: false [2020-12-22 06:57:48,284 INFO L185 CegarLoopUtils]: At program point L61-2(lines 787 793) the Hoare annotation is: false [2020-12-22 06:57:48,284 INFO L185 CegarLoopUtils]: At program point L656(lines 651 659) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:48,284 INFO L185 CegarLoopUtils]: At program point L656-1(lines 651 659) the Hoare annotation is: false [2020-12-22 06:57:48,285 INFO L185 CegarLoopUtils]: At program point L656-2(lines 651 659) the Hoare annotation is: false [2020-12-22 06:57:48,285 INFO L192 CegarLoopUtils]: At program point L194(lines 175 197) the Hoare annotation is: true [2020-12-22 06:57:48,285 INFO L189 CegarLoopUtils]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-12-22 06:57:48,285 INFO L185 CegarLoopUtils]: At program point L756-2(lines 756 760) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2020-12-22 06:57:48,285 INFO L189 CegarLoopUtils]: For program point L856(lines 856 862) no Hoare annotation was computed. [2020-12-22 06:57:48,285 INFO L189 CegarLoopUtils]: For program point L823(lines 823 831) no Hoare annotation was computed. [2020-12-22 06:57:48,286 INFO L189 CegarLoopUtils]: For program point L823-1(lines 823 831) no Hoare annotation was computed. [2020-12-22 06:57:48,286 INFO L189 CegarLoopUtils]: For program point L856-2(lines 856 862) no Hoare annotation was computed. [2020-12-22 06:57:48,286 INFO L189 CegarLoopUtils]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2020-12-22 06:57:48,286 INFO L189 CegarLoopUtils]: For program point L856-4(lines 856 862) no Hoare annotation was computed. [2020-12-22 06:57:48,286 INFO L189 CegarLoopUtils]: For program point L939(lines 939 943) no Hoare annotation was computed. [2020-12-22 06:57:48,286 INFO L189 CegarLoopUtils]: For program point L939-2(lines 939 943) no Hoare annotation was computed. [2020-12-22 06:57:48,286 INFO L189 CegarLoopUtils]: For program point L939-3(lines 939 943) no Hoare annotation was computed. [2020-12-22 06:57:48,287 INFO L189 CegarLoopUtils]: For program point L939-5(lines 939 943) no Hoare annotation was computed. [2020-12-22 06:57:48,287 INFO L189 CegarLoopUtils]: For program point L939-6(lines 939 943) no Hoare annotation was computed. [2020-12-22 06:57:48,287 INFO L189 CegarLoopUtils]: For program point L939-8(lines 939 943) no Hoare annotation was computed. [2020-12-22 06:57:48,287 INFO L185 CegarLoopUtils]: At program point L890(lines 885 893) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse0 .cse5 .cse2 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse6 .cse7 .cse2) (and .cse1 .cse6 .cse5 .cse7 .cse2 .cse4))) [2020-12-22 06:57:48,287 INFO L185 CegarLoopUtils]: At program point L890-1(lines 885 893) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1))) [2020-12-22 06:57:48,287 INFO L185 CegarLoopUtils]: At program point L890-2(lines 885 893) the Hoare annotation is: false [2020-12-22 06:57:48,288 INFO L185 CegarLoopUtils]: At program point L890-3(lines 885 893) the Hoare annotation is: false [2020-12-22 06:57:48,288 INFO L185 CegarLoopUtils]: At program point L890-4(lines 885 893) the Hoare annotation is: false [2020-12-22 06:57:48,288 INFO L185 CegarLoopUtils]: At program point L890-5(lines 885 893) the Hoare annotation is: false [2020-12-22 06:57:48,288 INFO L185 CegarLoopUtils]: At program point L230(lines 1 956) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:48,288 INFO L189 CegarLoopUtils]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-12-22 06:57:48,288 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:48,289 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2020-12-22 06:57:48,289 INFO L185 CegarLoopUtils]: At program point L794(lines 794 800) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-12-22 06:57:48,289 INFO L185 CegarLoopUtils]: At program point L794-1(lines 794 800) the Hoare annotation is: false [2020-12-22 06:57:48,289 INFO L189 CegarLoopUtils]: For program point L728(lines 728 734) no Hoare annotation was computed. [2020-12-22 06:57:48,289 INFO L185 CegarLoopUtils]: At program point L794-2(lines 794 800) the Hoare annotation is: false [2020-12-22 06:57:48,290 INFO L185 CegarLoopUtils]: At program point L728-1(lines 728 734) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2020-12-22 06:57:48,290 INFO L185 CegarLoopUtils]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:48,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:48 BoogieIcfgContainer [2020-12-22 06:57:48,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:48,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:48,326 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:48,326 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:48,326 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:43" (3/4) ... [2020-12-22 06:57:48,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:48,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:48,351 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:48,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:48,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:48,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:48,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:48,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:48,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:48,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:48,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((\result <= 2 && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:48,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:48,473 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product42.cil.c-witness.graphml [2020-12-22 06:57:48,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:48,474 INFO L168 Benchmark]: Toolchain (without parser) took 7478.81 ms. Allocated memory was 151.0 MB in the beginning and 231.7 MB in the end (delta: 80.7 MB). Free memory was 125.6 MB in the beginning and 190.1 MB in the end (delta: -64.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:48,475 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 122.1 MB in the end (delta: 80.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:48,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:48,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.46 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 100.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:48,476 INFO L168 Benchmark]: Boogie Preprocessor took 109.15 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 133.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:48,476 INFO L168 Benchmark]: RCFGBuilder took 1243.85 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 74.3 MB in the end (delta: 58.8 MB). Peak memory consumption was 57.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:48,477 INFO L168 Benchmark]: TraceAbstraction took 5236.48 ms. Allocated memory was 151.0 MB in the beginning and 231.7 MB in the end (delta: 80.7 MB). Free memory was 74.3 MB in the beginning and 198.5 MB in the end (delta: -124.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:48,477 INFO L168 Benchmark]: Witness Printer took 147.84 ms. Allocated memory is still 231.7 MB. Free memory was 198.5 MB in the beginning and 190.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:48,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 122.1 MB in the end (delta: 80.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 636.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 104.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 94.46 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 100.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 109.15 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 133.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1243.85 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 74.3 MB in the end (delta: 58.8 MB). Peak memory consumption was 57.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5236.48 ms. Allocated memory was 151.0 MB in the beginning and 231.7 MB in the end (delta: 80.7 MB). Free memory was 74.3 MB in the beginning and 198.5 MB in the end (delta: -124.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 8.0 GB. * Witness Printer took 147.84 ms. Allocated memory is still 231.7 MB. Free memory was 198.5 MB in the beginning and 190.1 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: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 203]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 203]: 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: 885]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((\result <= 2 && 1 == systemActive) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 827 SDtfs, 1028 SDslu, 1169 SDs, 0 SdLazy, 183 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 104 NumberOfFragments, 812 HoareAnnotationTreeSize, 44 FomulaSimplifications, 20075 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 2331 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 27647 SizeOfPredicates, 3 NumberOfNonLiveVariables, 439 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...