/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_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:46,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:46,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:46,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:46,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:46,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:46,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:46,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:46,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:46,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:46,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:46,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:46,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:46,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:46,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:46,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:46,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:46,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:46,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:46,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:46,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:46,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:46,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:46,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:46,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:46,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:46,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:46,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:46,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:46,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:46,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:46,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:46,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:46,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:46,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:46,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:46,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:46,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:46,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:46,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:46,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:46,245 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:46,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:46,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:46,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:46,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:46,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:46,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:46,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:46,248 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:46,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:46,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:46,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:46,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:46,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:46,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:46,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:46,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:46,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:46,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:46,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:46,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:46,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:46,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:46,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:46,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:46,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:46,749 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:46,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-12-22 06:54:46,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d04bd94/f644efd7f7f7417e81ad28a79e8b9a2f/FLAGb7bc543e7 [2020-12-22 06:54:47,537 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:47,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2020-12-22 06:54:47,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d04bd94/f644efd7f7f7417e81ad28a79e8b9a2f/FLAGb7bc543e7 [2020-12-22 06:54:47,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d04bd94/f644efd7f7f7417e81ad28a79e8b9a2f [2020-12-22 06:54:47,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:47,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:47,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:47,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:47,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:47,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:47" (1/1) ... [2020-12-22 06:54:47,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd4689c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:47, skipping insertion in model container [2020-12-22 06:54:47,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:47" (1/1) ... [2020-12-22 06:54:47,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:47,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:48,281 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_spec2_product49.cil.c[18035,18048] [2020-12-22 06:54:48,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:48,310 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:48,448 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_spec2_product49.cil.c[18035,18048] [2020-12-22 06:54:48,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:48,500 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:48,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48 WrapperNode [2020-12-22 06:54:48,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:48,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:48,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:48,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:48,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:48,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:48,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:48,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:48,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (1/1) ... [2020-12-22 06:54:48,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:48,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:48,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:48,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:48,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (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 06:54:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:48,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:49,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:49,887 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2020-12-22 06:54:49,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:49 BoogieIcfgContainer [2020-12-22 06:54:49,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:49,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:49,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:49,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:49,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:47" (1/3) ... [2020-12-22 06:54:49,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05f54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:49, skipping insertion in model container [2020-12-22 06:54:49,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:48" (2/3) ... [2020-12-22 06:54:49,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b05f54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:49, skipping insertion in model container [2020-12-22 06:54:49,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:49" (3/3) ... [2020-12-22 06:54:49,900 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2020-12-22 06:54:49,908 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:49,913 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:49,935 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:49,968 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:49,968 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:49,968 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:49,969 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:49,969 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:49,969 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:49,969 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:49,969 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-12-22 06:54:49,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:49,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:50,000 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:50,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:50,007 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2020-12-22 06:54:50,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:50,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469063132] [2020-12-22 06:54:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,319 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 06:54:50,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469063132] [2020-12-22 06:54:50,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:50,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279137443] [2020-12-22 06:54:50,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:50,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:50,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:50,345 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-12-22 06:54:50,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,383 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2020-12-22 06:54:50,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:50,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:50,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,398 INFO L225 Difference]: With dead ends: 235 [2020-12-22 06:54:50,398 INFO L226 Difference]: Without dead ends: 117 [2020-12-22 06:54:50,408 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 06:54:50,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-12-22 06:54:50,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-12-22 06:54:50,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-12-22 06:54:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-12-22 06:54:50,482 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-12-22 06:54:50,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:50,483 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-12-22 06:54:50,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-12-22 06:54:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:50,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:50,486 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 06:54:50,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:50,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:50,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2020-12-22 06:54:50,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:50,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341239311] [2020-12-22 06:54:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,687 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 06:54:50,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341239311] [2020-12-22 06:54:50,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:50,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099056580] [2020-12-22 06:54:50,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:50,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:50,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:50,692 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-12-22 06:54:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,706 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-12-22 06:54:50,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:50,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:50,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,708 INFO L225 Difference]: With dead ends: 117 [2020-12-22 06:54:50,708 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:54:50,709 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 06:54:50,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:54:50,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:54:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:54:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-12-22 06:54:50,717 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-12-22 06:54:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:50,717 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-12-22 06:54:50,717 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-12-22 06:54:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:50,718 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:50,718 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:50,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:50,719 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:50,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:50,720 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2020-12-22 06:54:50,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:50,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907804042] [2020-12-22 06:54:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,805 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 06:54:50,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907804042] [2020-12-22 06:54:50,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:50,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339604783] [2020-12-22 06:54:50,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:50,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:50,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:50,813 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2020-12-22 06:54:50,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,835 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-12-22 06:54:50,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:50,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:54:50,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,839 INFO L225 Difference]: With dead ends: 91 [2020-12-22 06:54:50,839 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:54:50,840 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 06:54:50,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:54:50,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:54:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:54:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-12-22 06:54:50,854 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-12-22 06:54:50,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:50,857 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-12-22 06:54:50,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-12-22 06:54:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:50,862 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:50,862 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 06:54:50,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:50,863 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:50,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:50,864 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2020-12-22 06:54:50,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:50,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042427197] [2020-12-22 06:54:50,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,977 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 06:54:50,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042427197] [2020-12-22 06:54:50,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:50,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395922453] [2020-12-22 06:54:50,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:50,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:50,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:50,983 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-12-22 06:54:51,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:51,046 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-12-22 06:54:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:51,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:51,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:51,050 INFO L225 Difference]: With dead ends: 113 [2020-12-22 06:54:51,050 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:54:51,053 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 06:54:51,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:54:51,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-12-22 06:54:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-22 06:54:51,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-12-22 06:54:51,072 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-12-22 06:54:51,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:51,072 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-12-22 06:54:51,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-12-22 06:54:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:51,077 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:51,078 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] [2020-12-22 06:54:51,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:51,080 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:51,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:51,080 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2020-12-22 06:54:51,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:51,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273262774] [2020-12-22 06:54:51,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:51,226 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 06:54:51,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273262774] [2020-12-22 06:54:51,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:51,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:51,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459522936] [2020-12-22 06:54:51,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:51,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:51,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:51,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:51,232 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-12-22 06:54:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:51,331 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-12-22 06:54:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:51,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:51,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:51,333 INFO L225 Difference]: With dead ends: 182 [2020-12-22 06:54:51,333 INFO L226 Difference]: Without dead ends: 120 [2020-12-22 06:54:51,334 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 06:54:51,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-22 06:54:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-12-22 06:54:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-22 06:54:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-12-22 06:54:51,345 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-12-22 06:54:51,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:51,346 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-12-22 06:54:51,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-12-22 06:54:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:51,347 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:51,347 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] [2020-12-22 06:54:51,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:51,348 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:51,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:51,348 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2020-12-22 06:54:51,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:51,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561013000] [2020-12-22 06:54:51,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:51,432 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 06:54:51,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561013000] [2020-12-22 06:54:51,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:51,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:51,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567848128] [2020-12-22 06:54:51,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:51,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:51,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:51,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:51,439 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-12-22 06:54:51,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:51,525 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-12-22 06:54:51,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:51,525 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:51,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:51,528 INFO L225 Difference]: With dead ends: 387 [2020-12-22 06:54:51,528 INFO L226 Difference]: Without dead ends: 319 [2020-12-22 06:54:51,529 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 06:54:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-12-22 06:54:51,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-12-22 06:54:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-22 06:54:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-12-22 06:54:51,571 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-12-22 06:54:51,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:51,573 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-12-22 06:54:51,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-12-22 06:54:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:51,575 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:51,575 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 06:54:51,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:51,576 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:51,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:51,576 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2020-12-22 06:54:51,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:51,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93890114] [2020-12-22 06:54:51,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:51,674 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 06:54:51,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93890114] [2020-12-22 06:54:51,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:51,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:51,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043044897] [2020-12-22 06:54:51,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:51,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:51,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:51,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:51,688 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-12-22 06:54:51,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:51,825 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-12-22 06:54:51,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:51,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:51,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:51,828 INFO L225 Difference]: With dead ends: 506 [2020-12-22 06:54:51,828 INFO L226 Difference]: Without dead ends: 378 [2020-12-22 06:54:51,829 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 06:54:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-12-22 06:54:51,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-12-22 06:54:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-12-22 06:54:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-12-22 06:54:51,846 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-12-22 06:54:51,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:51,846 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-12-22 06:54:51,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-12-22 06:54:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:51,849 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:51,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:51,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:51,850 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:51,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:51,850 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2020-12-22 06:54:51,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:51,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302381469] [2020-12-22 06:54:51,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:51,905 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 06:54:51,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302381469] [2020-12-22 06:54:51,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:51,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:51,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517520722] [2020-12-22 06:54:51,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:51,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:51,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:51,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:51,908 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2020-12-22 06:54:51,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:51,975 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-12-22 06:54:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:51,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:51,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:51,977 INFO L225 Difference]: With dead ends: 357 [2020-12-22 06:54:51,978 INFO L226 Difference]: Without dead ends: 230 [2020-12-22 06:54:51,978 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 06:54:51,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-12-22 06:54:51,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-12-22 06:54:51,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-12-22 06:54:51,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-12-22 06:54:51,993 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-12-22 06:54:51,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:51,993 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-12-22 06:54:51,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:51,993 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-12-22 06:54:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:51,994 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:51,995 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 06:54:51,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:51,995 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:51,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:51,996 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2020-12-22 06:54:51,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:51,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470185281] [2020-12-22 06:54:51,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:52,040 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 06:54:52,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470185281] [2020-12-22 06:54:52,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:52,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:52,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756084169] [2020-12-22 06:54:52,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:52,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:52,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:52,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:52,043 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-12-22 06:54:52,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:52,075 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-12-22 06:54:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:52,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:54:52,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:52,077 INFO L225 Difference]: With dead ends: 327 [2020-12-22 06:54:52,077 INFO L226 Difference]: Without dead ends: 192 [2020-12-22 06:54:52,078 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 06:54:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-12-22 06:54:52,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-12-22 06:54:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-12-22 06:54:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-12-22 06:54:52,102 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-12-22 06:54:52,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:52,106 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-12-22 06:54:52,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-12-22 06:54:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:54:52,108 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:52,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:52,109 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2020-12-22 06:54:52,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948963613] [2020-12-22 06:54:52,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:52,191 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 06:54:52,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948963613] [2020-12-22 06:54:52,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:52,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:52,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276210536] [2020-12-22 06:54:52,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:52,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:52,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:52,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:52,197 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-12-22 06:54:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:52,259 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-12-22 06:54:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:52,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:54:52,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:52,263 INFO L225 Difference]: With dead ends: 295 [2020-12-22 06:54:52,264 INFO L226 Difference]: Without dead ends: 293 [2020-12-22 06:54:52,264 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 06:54:52,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-12-22 06:54:52,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-12-22 06:54:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-12-22 06:54:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-12-22 06:54:52,291 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-12-22 06:54:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:52,291 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-12-22 06:54:52,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-12-22 06:54:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:52,294 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,294 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:52,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:52,294 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2020-12-22 06:54:52,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336007528] [2020-12-22 06:54:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:52,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336007528] [2020-12-22 06:54:52,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178042806] [2020-12-22 06:54:52,389 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 06:54:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:52,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 06:54:52,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:54:52,642 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:52,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:54:52,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 06:54:52,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377124959] [2020-12-22 06:54:52,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:52,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:52,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:52,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:52,644 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2020-12-22 06:54:52,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:52,715 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-12-22 06:54:52,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:52,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-22 06:54:52,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:52,717 INFO L225 Difference]: With dead ends: 374 [2020-12-22 06:54:52,717 INFO L226 Difference]: Without dead ends: 197 [2020-12-22 06:54:52,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:52,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-12-22 06:54:52,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-12-22 06:54:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-12-22 06:54:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-12-22 06:54:52,736 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-12-22 06:54:52,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:52,737 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-12-22 06:54:52,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-12-22 06:54:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:52,738 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,738 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, 1, 1, 1, 1] [2020-12-22 06:54:52,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-22 06:54:52,953 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2020-12-22 06:54:52,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947284645] [2020-12-22 06:54:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-22 06:54:53,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947284645] [2020-12-22 06:54:53,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124027794] [2020-12-22 06:54:53,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:54:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:54:53,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:54:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:54:53,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:54:53,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-12-22 06:54:53,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732139569] [2020-12-22 06:54:53,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:53,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:53,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:53,397 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2020-12-22 06:54:53,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,475 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2020-12-22 06:54:53,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:53,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-22 06:54:53,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,478 INFO L225 Difference]: With dead ends: 494 [2020-12-22 06:54:53,478 INFO L226 Difference]: Without dead ends: 354 [2020-12-22 06:54:53,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:54:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-12-22 06:54:53,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2020-12-22 06:54:53,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-12-22 06:54:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-12-22 06:54:53,502 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-12-22 06:54:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,502 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-12-22 06:54:53,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-12-22 06:54:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:53,503 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:53,503 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, 1, 1, 1, 1] [2020-12-22 06:54:53,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 06:54:53,717 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:53,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:53,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2020-12-22 06:54:53,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:53,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749021894] [2020-12-22 06:54:53,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:53,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749021894] [2020-12-22 06:54:53,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:53,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935175873] [2020-12-22 06:54:53,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:53,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:53,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:53,842 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-12-22 06:54:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,982 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-12-22 06:54:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:54:53,982 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-12-22 06:54:53,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,983 INFO L225 Difference]: With dead ends: 485 [2020-12-22 06:54:53,983 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:53,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:53,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:53,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:53,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:54:53,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,985 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:53,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:53,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:53,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:54:53,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:54,503 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 82 [2020-12-22 06:54:54,647 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 74 [2020-12-22 06:54:54,820 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 82 [2020-12-22 06:54:55,058 WARN L197 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2020-12-22 06:54:55,258 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2020-12-22 06:54:55,432 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2020-12-22 06:54:55,698 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-12-22 06:54:55,863 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-12-22 06:54:56,052 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2020-12-22 06:54:56,429 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2020-12-22 06:54:56,652 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 20 [2020-12-22 06:54:57,024 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-12-22 06:54:57,035 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2020-12-22 06:54:57,035 INFO L189 CegarLoopUtils]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-3(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-5(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-6(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-8(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-9(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-11(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-12(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-14(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,036 INFO L189 CegarLoopUtils]: For program point L532-15(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L532-17(lines 532 536) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L434-1(lines 434 442) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L434-2(lines 434 442) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L237-2(lines 237 243) no Hoare annotation was computed. [2020-12-22 06:54:57,037 INFO L189 CegarLoopUtils]: For program point L237-3(lines 237 243) no Hoare annotation was computed. [2020-12-22 06:54:57,038 INFO L185 CegarLoopUtils]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:57,038 INFO L189 CegarLoopUtils]: For program point L237-4(lines 237 243) no Hoare annotation was computed. [2020-12-22 06:54:57,038 INFO L189 CegarLoopUtils]: For program point L237-5(lines 237 243) no Hoare annotation was computed. [2020-12-22 06:54:57,038 INFO L189 CegarLoopUtils]: For program point L172(lines 172 176) no Hoare annotation was computed. [2020-12-22 06:54:57,038 INFO L189 CegarLoopUtils]: For program point L932(line 932) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L932-2(line 932) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L404-1(lines 404 421) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L338(lines 338 349) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L404-2(lines 404 421) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L404-3(lines 404 421) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L404-4(lines 404 421) no Hoare annotation was computed. [2020-12-22 06:54:57,039 INFO L189 CegarLoopUtils]: For program point L404-5(lines 404 421) no Hoare annotation was computed. [2020-12-22 06:54:57,040 INFO L185 CegarLoopUtils]: At program point L372(lines 371 390) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 .cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:57,040 INFO L189 CegarLoopUtils]: For program point L372-1(lines 372 378) no Hoare annotation was computed. [2020-12-22 06:54:57,040 INFO L185 CegarLoopUtils]: At program point L372-2(lines 371 390) the Hoare annotation is: false [2020-12-22 06:54:57,040 INFO L185 CegarLoopUtils]: At program point L372-3(lines 371 390) the Hoare annotation is: false [2020-12-22 06:54:57,040 INFO L185 CegarLoopUtils]: At program point L967(lines 962 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:57,041 INFO L185 CegarLoopUtils]: At program point L538(lines 523 541) the Hoare annotation is: false [2020-12-22 06:54:57,041 INFO L185 CegarLoopUtils]: At program point L538-1(lines 523 541) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse3 .cse5 .cse6 .cse8))) [2020-12-22 06:54:57,041 INFO L185 CegarLoopUtils]: At program point L538-2(lines 523 541) the Hoare annotation is: false [2020-12-22 06:54:57,041 INFO L185 CegarLoopUtils]: At program point L538-3(lines 523 541) the Hoare annotation is: false [2020-12-22 06:54:57,041 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2020-12-22 06:54:57,042 INFO L185 CegarLoopUtils]: At program point L538-4(lines 523 541) the Hoare annotation is: false [2020-12-22 06:54:57,042 INFO L185 CegarLoopUtils]: At program point L538-5(lines 523 541) the Hoare annotation is: false [2020-12-22 06:54:57,042 INFO L185 CegarLoopUtils]: At program point L242(lines 233 246) the Hoare annotation is: false [2020-12-22 06:54:57,042 INFO L185 CegarLoopUtils]: At program point L242-1(lines 233 246) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6) (and .cse5 .cse0 .cse2 .cse3 .cse6 .cse4))) [2020-12-22 06:54:57,042 INFO L185 CegarLoopUtils]: At program point L242-2(lines 233 246) the Hoare annotation is: false [2020-12-22 06:54:57,042 INFO L185 CegarLoopUtils]: At program point L242-3(lines 233 246) the Hoare annotation is: false [2020-12-22 06:54:57,043 INFO L192 CegarLoopUtils]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-12-22 06:54:57,043 INFO L185 CegarLoopUtils]: At program point L242-4(lines 233 246) the Hoare annotation is: false [2020-12-22 06:54:57,043 INFO L185 CegarLoopUtils]: At program point L242-5(lines 233 246) the Hoare annotation is: false [2020-12-22 06:54:57,043 INFO L189 CegarLoopUtils]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-12-22 06:54:57,043 INFO L189 CegarLoopUtils]: For program point L408-1(lines 408 416) no Hoare annotation was computed. [2020-12-22 06:54:57,043 INFO L189 CegarLoopUtils]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2020-12-22 06:54:57,043 INFO L189 CegarLoopUtils]: For program point L309(lines 308 353) no Hoare annotation was computed. [2020-12-22 06:54:57,043 INFO L189 CegarLoopUtils]: For program point L408-3(lines 408 416) no Hoare annotation was computed. [2020-12-22 06:54:57,043 INFO L189 CegarLoopUtils]: For program point L276(lines 276 293) no Hoare annotation was computed. [2020-12-22 06:54:57,044 INFO L189 CegarLoopUtils]: For program point L408-4(lines 408 416) no Hoare annotation was computed. [2020-12-22 06:54:57,044 INFO L185 CegarLoopUtils]: At program point L276-1(lines 1 970) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:57,044 INFO L189 CegarLoopUtils]: For program point L408-5(lines 408 416) no Hoare annotation was computed. [2020-12-22 06:54:57,044 INFO L189 CegarLoopUtils]: For program point L276-2(lines 276 293) no Hoare annotation was computed. [2020-12-22 06:54:57,044 INFO L185 CegarLoopUtils]: At program point L276-3(lines 1 970) the Hoare annotation is: false [2020-12-22 06:54:57,044 INFO L189 CegarLoopUtils]: For program point L276-4(lines 276 293) no Hoare annotation was computed. [2020-12-22 06:54:57,044 INFO L185 CegarLoopUtils]: At program point L276-5(lines 1 970) the Hoare annotation is: false [2020-12-22 06:54:57,044 INFO L189 CegarLoopUtils]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:54:57,045 INFO L189 CegarLoopUtils]: For program point L344(lines 344 348) no Hoare annotation was computed. [2020-12-22 06:54:57,045 INFO L189 CegarLoopUtils]: For program point L344-2(lines 372 378) no Hoare annotation was computed. [2020-12-22 06:54:57,045 INFO L185 CegarLoopUtils]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3 .cse5) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse6 .cse5) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse2 .cse3 .cse6))) [2020-12-22 06:54:57,045 INFO L185 CegarLoopUtils]: At program point L379-1(lines 379 385) the Hoare annotation is: false [2020-12-22 06:54:57,045 INFO L185 CegarLoopUtils]: At program point L379-2(lines 379 385) the Hoare annotation is: false [2020-12-22 06:54:57,045 INFO L189 CegarLoopUtils]: For program point L280(lines 280 290) no Hoare annotation was computed. [2020-12-22 06:54:57,045 INFO L189 CegarLoopUtils]: For program point L280-2(lines 280 290) no Hoare annotation was computed. [2020-12-22 06:54:57,045 INFO L189 CegarLoopUtils]: For program point L280-4(lines 280 290) no Hoare annotation was computed. [2020-12-22 06:54:57,046 INFO L189 CegarLoopUtils]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:54:57,046 INFO L189 CegarLoopUtils]: For program point L281-2(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:54:57,046 INFO L189 CegarLoopUtils]: For program point L281-4(lines 281 287) no Hoare annotation was computed. [2020-12-22 06:54:57,046 INFO L189 CegarLoopUtils]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-12-22 06:54:57,046 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:57,046 INFO L185 CegarLoopUtils]: At program point L483(lines 478 486) the Hoare annotation is: (let ((.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 .cse2 .cse6) (and .cse0 .cse4 .cse5 .cse2 .cse6 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse2))) [2020-12-22 06:54:57,046 INFO L185 CegarLoopUtils]: At program point L483-1(lines 478 486) the Hoare annotation is: false [2020-12-22 06:54:57,047 INFO L185 CegarLoopUtils]: At program point L483-2(lines 478 486) the Hoare annotation is: false [2020-12-22 06:54:57,047 INFO L189 CegarLoopUtils]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-12-22 06:54:57,047 INFO L185 CegarLoopUtils]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:57,047 INFO L185 CegarLoopUtils]: At program point L252(lines 247 255) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-12-22 06:54:57,047 INFO L185 CegarLoopUtils]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2020-12-22 06:54:57,047 INFO L185 CegarLoopUtils]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2020-12-22 06:54:57,048 INFO L185 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-12-22 06:54:57,048 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2020-12-22 06:54:57,048 INFO L189 CegarLoopUtils]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-12-22 06:54:57,048 INFO L189 CegarLoopUtils]: For program point L551-2(lines 551 555) no Hoare annotation was computed. [2020-12-22 06:54:57,048 INFO L189 CegarLoopUtils]: For program point L551-3(lines 551 555) no Hoare annotation was computed. [2020-12-22 06:54:57,048 INFO L189 CegarLoopUtils]: For program point L551-5(lines 551 555) no Hoare annotation was computed. [2020-12-22 06:54:57,048 INFO L189 CegarLoopUtils]: For program point L551-6(lines 551 555) no Hoare annotation was computed. [2020-12-22 06:54:57,048 INFO L189 CegarLoopUtils]: For program point L551-8(lines 551 555) no Hoare annotation was computed. [2020-12-22 06:54:57,049 INFO L185 CegarLoopUtils]: At program point L354(lines 307 355) the Hoare annotation is: false [2020-12-22 06:54:57,049 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:57,049 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-12-22 06:54:57,049 INFO L189 CegarLoopUtils]: For program point L58-1(lines 372 378) no Hoare annotation was computed. [2020-12-22 06:54:57,049 INFO L189 CegarLoopUtils]: For program point L160(lines 160 164) no Hoare annotation was computed. [2020-12-22 06:54:57,049 INFO L189 CegarLoopUtils]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2020-12-22 06:54:57,049 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:57,049 INFO L189 CegarLoopUtils]: For program point L160-6(lines 160 164) no Hoare annotation was computed. [2020-12-22 06:54:57,050 INFO L185 CegarLoopUtils]: At program point L557(lines 542 560) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0)) [2020-12-22 06:54:57,050 INFO L185 CegarLoopUtils]: At program point L557-1(lines 542 560) the Hoare annotation is: false [2020-12-22 06:54:57,050 INFO L185 CegarLoopUtils]: At program point L557-2(lines 542 560) the Hoare annotation is: false [2020-12-22 06:54:57,050 INFO L189 CegarLoopUtils]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-12-22 06:54:57,050 INFO L185 CegarLoopUtils]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:57,051 INFO L185 CegarLoopUtils]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse0 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse3) (and .cse5 .cse0 .cse4 .cse3 .cse6) (and .cse5 (= ~methaneLevelCritical~0 0) .cse0 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse0 .cse1 .cse3 .cse2 .cse6))) [2020-12-22 06:54:57,051 INFO L185 CegarLoopUtils]: At program point L197-1(lines 192 200) the Hoare annotation is: false [2020-12-22 06:54:57,051 INFO L185 CegarLoopUtils]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2020-12-22 06:54:57,051 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:57,051 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2020-12-22 06:54:57,051 INFO L189 CegarLoopUtils]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-12-22 06:54:57,051 INFO L189 CegarLoopUtils]: For program point L430-1(lines 430 447) no Hoare annotation was computed. [2020-12-22 06:54:57,052 INFO L189 CegarLoopUtils]: For program point L430-2(lines 430 447) no Hoare annotation was computed. [2020-12-22 06:54:57,052 INFO L185 CegarLoopUtils]: At program point L265(lines 260 267) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:57,052 INFO L185 CegarLoopUtils]: At program point L959(lines 1 970) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:57,052 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-12-22 06:54:57,052 INFO L192 CegarLoopUtils]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-12-22 06:54:57,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:57 BoogieIcfgContainer [2020-12-22 06:54:57,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:57,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:57,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:57,089 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:57,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:49" (3/4) ... [2020-12-22 06:54:57,093 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:57,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:57,116 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:57,117 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:57,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:57,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:57,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:57,122 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:57,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-12-22 06:54:57,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:57,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-12-22 06:54:57,157 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-12-22 06:54:57,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) [2020-12-22 06:54:57,158 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:54:57,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel [2020-12-22 06:54:57,159 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((((!(tmp == 0) && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-12-22 06:54:57,252 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product49.cil.c-witness.graphml [2020-12-22 06:54:57,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:57,253 INFO L168 Benchmark]: Toolchain (without parser) took 9419.88 ms. Allocated memory was 157.3 MB in the beginning and 226.5 MB in the end (delta: 69.2 MB). Free memory was 132.1 MB in the beginning and 87.2 MB in the end (delta: 44.9 MB). Peak memory consumption was 115.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,254 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 157.3 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:57,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.48 ms. Allocated memory is still 157.3 MB. Free memory was 131.7 MB in the beginning and 110.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.00 ms. Allocated memory is still 157.3 MB. Free memory was 110.5 MB in the beginning and 106.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,255 INFO L168 Benchmark]: Boogie Preprocessor took 126.42 ms. Allocated memory is still 157.3 MB. Free memory was 106.8 MB in the beginning and 138.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,255 INFO L168 Benchmark]: RCFGBuilder took 1151.99 ms. Allocated memory is still 157.3 MB. Free memory was 138.3 MB in the beginning and 75.4 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,256 INFO L168 Benchmark]: TraceAbstraction took 7196.73 ms. Allocated memory was 157.3 MB in the beginning and 226.5 MB in the end (delta: 69.2 MB). Free memory was 74.8 MB in the beginning and 97.8 MB in the end (delta: -22.9 MB). Peak memory consumption was 73.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,256 INFO L168 Benchmark]: Witness Printer took 163.57 ms. Allocated memory is still 226.5 MB. Free memory was 97.8 MB in the beginning and 87.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,258 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 157.3 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 662.48 ms. Allocated memory is still 157.3 MB. Free memory was 131.7 MB in the beginning and 110.5 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 105.00 ms. Allocated memory is still 157.3 MB. Free memory was 110.5 MB in the beginning and 106.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.42 ms. Allocated memory is still 157.3 MB. Free memory was 106.8 MB in the beginning and 138.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 3.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1151.99 ms. Allocated memory is still 157.3 MB. Free memory was 138.3 MB in the beginning and 75.4 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7196.73 ms. Allocated memory was 157.3 MB in the beginning and 226.5 MB in the end (delta: 69.2 MB). Free memory was 74.8 MB in the beginning and 97.8 MB in the end (delta: -22.9 MB). Peak memory consumption was 73.0 MB. Max. memory is 8.0 GB. * Witness Printer took 163.57 ms. Allocated memory is still 226.5 MB. Free memory was 97.8 MB in the beginning and 87.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 932]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= tmp___0) && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= waterLevel - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((((!(tmp == 0) && tmp___0 == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 == systemActive) && \result == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((((!(\result == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1241 SDtfs, 1351 SDslu, 1645 SDs, 0 SdLazy, 210 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, 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, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 156 NumberOfFragments, 717 HoareAnnotationTreeSize, 43 FomulaSimplifications, 220797 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 43 FomulaSimplificationsInter, 12949 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 46009 SizeOfPredicates, 3 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 80/99 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...