/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:45,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:45,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:45,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:45,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:45,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:45,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:45,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:45,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:45,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:45,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:45,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:45,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:45,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:45,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:45,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:45,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:45,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:45,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:45,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:45,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:45,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:45,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:45,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:45,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:45,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:45,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:45,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:45,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:45,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:45,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:45,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:45,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:45,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:45,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:45,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:45,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:45,955 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:45,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:45,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:45,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:45,957 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:45,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:45,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:45,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:45,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:45,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:45,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:45,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:45,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:45,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:45,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:45,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:45,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:45,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:45,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:45,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:45,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:45,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:45,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:45,961 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:45,961 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:45,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:46,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:46,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:46,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:46,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:46,374 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:46,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-12-22 06:56:46,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8464927d2/e1c3aa8b22714a26af91093b804b06d2/FLAG3878bd716 [2020-12-22 06:56:47,170 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:47,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2020-12-22 06:56:47,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8464927d2/e1c3aa8b22714a26af91093b804b06d2/FLAG3878bd716 [2020-12-22 06:56:47,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8464927d2/e1c3aa8b22714a26af91093b804b06d2 [2020-12-22 06:56:47,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:47,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:47,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:47,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:47,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:47,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bafd6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:47, skipping insertion in model container [2020-12-22 06:56:47,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:47" (1/1) ... [2020-12-22 06:56:47,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:47,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:47,902 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18107,18120] [2020-12-22 06:56:47,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:47,919 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:48,001 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18107,18120] [2020-12-22 06:56:48,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:48,045 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:48,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48 WrapperNode [2020-12-22 06:56:48,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:48,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:48,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:48,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:48,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:48,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:48,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:48,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:48,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (1/1) ... [2020-12-22 06:56:48,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:48,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:48,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:48,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:48,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (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 06:56:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:49,483 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:49,484 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-22 06:56:49,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:49 BoogieIcfgContainer [2020-12-22 06:56:49,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:49,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:49,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:49,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:49,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:47" (1/3) ... [2020-12-22 06:56:49,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0a87f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:49, skipping insertion in model container [2020-12-22 06:56:49,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:48" (2/3) ... [2020-12-22 06:56:49,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0a87f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:49, skipping insertion in model container [2020-12-22 06:56:49,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:49" (3/3) ... [2020-12-22 06:56:49,497 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-12-22 06:56:49,504 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:49,514 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:49,534 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:49,565 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:49,565 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:49,565 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:49,565 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:49,565 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:49,566 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:49,566 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:49,566 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-12-22 06:56:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:49,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:49,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:49,595 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:49,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:49,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1794729554, now seen corresponding path program 1 times [2020-12-22 06:56:49,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:49,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110196537] [2020-12-22 06:56:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:49,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110196537] [2020-12-22 06:56:49,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:49,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:49,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825282250] [2020-12-22 06:56:49,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:49,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:49,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:49,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:49,977 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-12-22 06:56:50,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,044 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2020-12-22 06:56:50,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:50,046 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:50,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,079 INFO L225 Difference]: With dead ends: 232 [2020-12-22 06:56:50,080 INFO L226 Difference]: Without dead ends: 115 [2020-12-22 06:56:50,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-22 06:56:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-12-22 06:56:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-22 06:56:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2020-12-22 06:56:50,182 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2020-12-22 06:56:50,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,183 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2020-12-22 06:56:50,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2020-12-22 06:56:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:50,185 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:50,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:50,186 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,187 INFO L82 PathProgramCache]: Analyzing trace with hash 529368141, now seen corresponding path program 1 times [2020-12-22 06:56:50,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173607729] [2020-12-22 06:56:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173607729] [2020-12-22 06:56:50,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:50,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279400264] [2020-12-22 06:56:50,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:50,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:50,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,297 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2020-12-22 06:56:50,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,310 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2020-12-22 06:56:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:50,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:50,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,312 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:56:50,312 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:56:50,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:56:50,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:56:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:56:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-12-22 06:56:50,321 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2020-12-22 06:56:50,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,322 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-12-22 06:56:50,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-12-22 06:56:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:50,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:50,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:50,324 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,325 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2020-12-22 06:56:50,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087743712] [2020-12-22 06:56:50,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087743712] [2020-12-22 06:56:50,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:50,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993586073] [2020-12-22 06:56:50,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:50,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:50,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:50,509 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-12-22 06:56:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,587 INFO L93 Difference]: Finished difference Result 115 states and 170 transitions. [2020-12-22 06:56:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:50,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 06:56:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,589 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:56:50,589 INFO L226 Difference]: Without dead ends: 72 [2020-12-22 06:56:50,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-12-22 06:56:50,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-12-22 06:56:50,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-22 06:56:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2020-12-22 06:56:50,618 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 22 [2020-12-22 06:56:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,621 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2020-12-22 06:56:50,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-12-22 06:56:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:56:50,623 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,624 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 06:56:50,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:56:50,625 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2020-12-22 06:56:50,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904650527] [2020-12-22 06:56:50,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904650527] [2020-12-22 06:56:50,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:50,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176831108] [2020-12-22 06:56:50,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:50,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:50,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,719 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 3 states. [2020-12-22 06:56:50,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:50,762 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-12-22 06:56:50,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:50,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:56:50,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:50,764 INFO L225 Difference]: With dead ends: 151 [2020-12-22 06:56:50,765 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:56:50,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:50,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:56:50,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-12-22 06:56:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-22 06:56:50,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 124 transitions. [2020-12-22 06:56:50,779 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 124 transitions. Word has length 24 [2020-12-22 06:56:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:50,780 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 124 transitions. [2020-12-22 06:56:50,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2020-12-22 06:56:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:56:50,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:50,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:50,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:56:50,782 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:50,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:50,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2020-12-22 06:56:50,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:50,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445719177] [2020-12-22 06:56:50,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:50,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445719177] [2020-12-22 06:56:50,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:50,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:56:50,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401398571] [2020-12-22 06:56:50,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:50,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:50,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:50,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:50,884 INFO L87 Difference]: Start difference. First operand 87 states and 124 transitions. Second operand 8 states. [2020-12-22 06:56:51,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,336 INFO L93 Difference]: Finished difference Result 551 states and 808 transitions. [2020-12-22 06:56:51,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:56:51,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-12-22 06:56:51,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,363 INFO L225 Difference]: With dead ends: 551 [2020-12-22 06:56:51,364 INFO L226 Difference]: Without dead ends: 470 [2020-12-22 06:56:51,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:56:51,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-12-22 06:56:51,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 216. [2020-12-22 06:56:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-12-22 06:56:51,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 302 transitions. [2020-12-22 06:56:51,401 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 302 transitions. Word has length 25 [2020-12-22 06:56:51,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,401 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 302 transitions. [2020-12-22 06:56:51,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 302 transitions. [2020-12-22 06:56:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 06:56:51,404 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,404 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 06:56:51,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:56:51,405 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:51,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:51,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1884030316, now seen corresponding path program 1 times [2020-12-22 06:56:51,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:51,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874021966] [2020-12-22 06:56:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874021966] [2020-12-22 06:56:51,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314015090] [2020-12-22 06:56:51,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:51,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:56:51,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:51,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:56:51,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-22 06:56:51,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925084541] [2020-12-22 06:56:51,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:56:51,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:51,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:56:51,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:51,749 INFO L87 Difference]: Start difference. First operand 216 states and 302 transitions. Second operand 4 states. [2020-12-22 06:56:51,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:51,905 INFO L93 Difference]: Finished difference Result 483 states and 689 transitions. [2020-12-22 06:56:51,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:56:51,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-12-22 06:56:51,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:51,908 INFO L225 Difference]: With dead ends: 483 [2020-12-22 06:56:51,909 INFO L226 Difference]: Without dead ends: 332 [2020-12-22 06:56:51,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:51,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-12-22 06:56:51,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2020-12-22 06:56:51,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-12-22 06:56:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 453 transitions. [2020-12-22 06:56:51,974 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 453 transitions. Word has length 41 [2020-12-22 06:56:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:51,976 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 453 transitions. [2020-12-22 06:56:51,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:56:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 453 transitions. [2020-12-22 06:56:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 06:56:51,992 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:51,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 06:56:52,208 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1324072375, now seen corresponding path program 1 times [2020-12-22 06:56:52,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660659305] [2020-12-22 06:56:52,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:52,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660659305] [2020-12-22 06:56:52,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:52,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947166863] [2020-12-22 06:56:52,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:52,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:52,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:52,282 INFO L87 Difference]: Start difference. First operand 320 states and 453 transitions. Second operand 5 states. [2020-12-22 06:56:52,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,399 INFO L93 Difference]: Finished difference Result 998 states and 1404 transitions. [2020-12-22 06:56:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:52,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-22 06:56:52,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,404 INFO L225 Difference]: With dead ends: 998 [2020-12-22 06:56:52,404 INFO L226 Difference]: Without dead ends: 684 [2020-12-22 06:56:52,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2020-12-22 06:56:52,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 341. [2020-12-22 06:56:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-12-22 06:56:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 474 transitions. [2020-12-22 06:56:52,441 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 474 transitions. Word has length 50 [2020-12-22 06:56:52,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,441 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 474 transitions. [2020-12-22 06:56:52,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 474 transitions. [2020-12-22 06:56:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-22 06:56:52,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,443 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:56:52,443 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1346704629, now seen corresponding path program 1 times [2020-12-22 06:56:52,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59934017] [2020-12-22 06:56:52,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,515 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 06:56:52,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59934017] [2020-12-22 06:56:52,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:56:52,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347430127] [2020-12-22 06:56:52,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:56:52,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:56:52,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:52,518 INFO L87 Difference]: Start difference. First operand 341 states and 474 transitions. Second operand 6 states. [2020-12-22 06:56:52,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,649 INFO L93 Difference]: Finished difference Result 849 states and 1180 transitions. [2020-12-22 06:56:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:56:52,650 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-12-22 06:56:52,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,653 INFO L225 Difference]: With dead ends: 849 [2020-12-22 06:56:52,654 INFO L226 Difference]: Without dead ends: 514 [2020-12-22 06:56:52,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:56:52,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-12-22 06:56:52,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 310. [2020-12-22 06:56:52,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-12-22 06:56:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 426 transitions. [2020-12-22 06:56:52,693 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 426 transitions. Word has length 50 [2020-12-22 06:56:52,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,693 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 426 transitions. [2020-12-22 06:56:52,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:56:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 426 transitions. [2020-12-22 06:56:52,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:56:52,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,694 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:56:52,695 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1319293361, now seen corresponding path program 1 times [2020-12-22 06:56:52,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290459300] [2020-12-22 06:56:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:52,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290459300] [2020-12-22 06:56:52,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:52,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:52,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734380410] [2020-12-22 06:56:52,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:52,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:52,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:52,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:52,767 INFO L87 Difference]: Start difference. First operand 310 states and 426 transitions. Second operand 5 states. [2020-12-22 06:56:52,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:52,910 INFO L93 Difference]: Finished difference Result 1140 states and 1590 transitions. [2020-12-22 06:56:52,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:56:52,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:56:52,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:52,915 INFO L225 Difference]: With dead ends: 1140 [2020-12-22 06:56:52,915 INFO L226 Difference]: Without dead ends: 878 [2020-12-22 06:56:52,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:52,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-12-22 06:56:52,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 316. [2020-12-22 06:56:52,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-12-22 06:56:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 432 transitions. [2020-12-22 06:56:52,961 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 432 transitions. Word has length 51 [2020-12-22 06:56:52,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:52,962 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 432 transitions. [2020-12-22 06:56:52,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 432 transitions. [2020-12-22 06:56:52,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 06:56:52,963 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:52,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:52,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:56:52,963 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:52,964 INFO L82 PathProgramCache]: Analyzing trace with hash 926266351, now seen corresponding path program 1 times [2020-12-22 06:56:52,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:52,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533591690] [2020-12-22 06:56:52,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:53,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533591690] [2020-12-22 06:56:53,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:53,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:53,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031360875] [2020-12-22 06:56:53,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:53,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:53,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:53,027 INFO L87 Difference]: Start difference. First operand 316 states and 432 transitions. Second operand 5 states. [2020-12-22 06:56:53,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:53,252 INFO L93 Difference]: Finished difference Result 838 states and 1149 transitions. [2020-12-22 06:56:53,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:56:53,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-22 06:56:53,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:53,259 INFO L225 Difference]: With dead ends: 838 [2020-12-22 06:56:53,260 INFO L226 Difference]: Without dead ends: 836 [2020-12-22 06:56:53,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:56:53,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-12-22 06:56:53,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 316. [2020-12-22 06:56:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-12-22 06:56:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 427 transitions. [2020-12-22 06:56:53,325 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 427 transitions. Word has length 51 [2020-12-22 06:56:53,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:53,326 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 427 transitions. [2020-12-22 06:56:53,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 427 transitions. [2020-12-22 06:56:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:56:53,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:53,327 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:53,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:56:53,329 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:53,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:53,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1573662553, now seen corresponding path program 1 times [2020-12-22 06:56:53,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:53,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899899254] [2020-12-22 06:56:53,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:53,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899899254] [2020-12-22 06:56:53,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440838437] [2020-12-22 06:56:53,497 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 06:56:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:53,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:56:53,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:56:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:56:53,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:56:53,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-12-22 06:56:53,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545055484] [2020-12-22 06:56:53,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:56:53,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:53,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:56:53,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:56:53,804 INFO L87 Difference]: Start difference. First operand 316 states and 427 transitions. Second operand 8 states. [2020-12-22 06:56:54,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,191 INFO L93 Difference]: Finished difference Result 849 states and 1149 transitions. [2020-12-22 06:56:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-22 06:56:54,192 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-12-22 06:56:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,196 INFO L225 Difference]: With dead ends: 849 [2020-12-22 06:56:54,197 INFO L226 Difference]: Without dead ends: 581 [2020-12-22 06:56:54,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-22 06:56:54,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-12-22 06:56:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 278. [2020-12-22 06:56:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-12-22 06:56:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 369 transitions. [2020-12-22 06:56:54,240 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 369 transitions. Word has length 52 [2020-12-22 06:56:54,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:54,241 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 369 transitions. [2020-12-22 06:56:54,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:56:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 369 transitions. [2020-12-22 06:56:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-22 06:56:54,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:54,243 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:54,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:56:54,454 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:54,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:54,455 INFO L82 PathProgramCache]: Analyzing trace with hash -5787080, now seen corresponding path program 2 times [2020-12-22 06:56:54,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:54,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119776769] [2020-12-22 06:56:54,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:56:54,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119776769] [2020-12-22 06:56:54,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:54,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:56:54,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325573641] [2020-12-22 06:56:54,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:56:54,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:54,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:56:54,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:56:54,616 INFO L87 Difference]: Start difference. First operand 278 states and 369 transitions. Second operand 5 states. [2020-12-22 06:56:54,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:54,974 INFO L93 Difference]: Finished difference Result 818 states and 1103 transitions. [2020-12-22 06:56:54,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:56:54,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-12-22 06:56:54,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:54,978 INFO L225 Difference]: With dead ends: 818 [2020-12-22 06:56:54,978 INFO L226 Difference]: Without dead ends: 587 [2020-12-22 06:56:54,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:56:54,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-12-22 06:56:55,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 379. [2020-12-22 06:56:55,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2020-12-22 06:56:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 503 transitions. [2020-12-22 06:56:55,044 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 503 transitions. Word has length 73 [2020-12-22 06:56:55,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,045 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 503 transitions. [2020-12-22 06:56:55,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:56:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 503 transitions. [2020-12-22 06:56:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-22 06:56:55,046 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:55,047 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:55,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:56:55,047 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:55,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:55,048 INFO L82 PathProgramCache]: Analyzing trace with hash 268972534, now seen corresponding path program 1 times [2020-12-22 06:56:55,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:55,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47641207] [2020-12-22 06:56:55,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 06:56:55,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47641207] [2020-12-22 06:56:55,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:55,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:56:55,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004862871] [2020-12-22 06:56:55,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:56:55,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:55,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:56:55,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:56:55,141 INFO L87 Difference]: Start difference. First operand 379 states and 503 transitions. Second operand 7 states. [2020-12-22 06:56:55,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:55,306 INFO L93 Difference]: Finished difference Result 723 states and 960 transitions. [2020-12-22 06:56:55,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:56:55,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-12-22 06:56:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:55,307 INFO L225 Difference]: With dead ends: 723 [2020-12-22 06:56:55,307 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:56:55,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:56:55,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:56:55,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:56:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:56:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:56:55,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-12-22 06:56:55,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:55,309 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:56:55,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:56:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:56:55,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:56:55,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:56:55,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:56:55,831 WARN L197 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 149 [2020-12-22 06:56:55,964 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2020-12-22 06:56:56,429 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 149 [2020-12-22 06:56:56,965 WARN L197 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 149 [2020-12-22 06:56:57,553 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 163 [2020-12-22 06:56:57,786 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 91 [2020-12-22 06:56:58,010 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 123 [2020-12-22 06:56:58,248 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 120 [2020-12-22 06:56:58,625 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 149 [2020-12-22 06:56:59,257 WARN L197 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-12-22 06:56:59,444 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 31 [2020-12-22 06:57:00,048 WARN L197 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-12-22 06:57:00,734 WARN L197 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 33 [2020-12-22 06:57:01,448 WARN L197 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2020-12-22 06:57:01,804 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 23 [2020-12-22 06:57:01,933 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-12-22 06:57:02,432 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 15 [2020-12-22 06:57:02,821 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 28 [2020-12-22 06:57:03,443 WARN L197 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 33 [2020-12-22 06:57:03,449 INFO L185 CegarLoopUtils]: At program point L828-2(lines 828 842) the Hoare annotation is: false [2020-12-22 06:57:03,449 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2020-12-22 06:57:03,449 INFO L185 CegarLoopUtils]: At program point L168(lines 167 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:03,450 INFO L189 CegarLoopUtils]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-12-22 06:57:03,450 INFO L185 CegarLoopUtils]: At program point L168-2(lines 167 186) the Hoare annotation is: false [2020-12-22 06:57:03,450 INFO L185 CegarLoopUtils]: At program point L168-3(lines 167 186) the Hoare annotation is: false [2020-12-22 06:57:03,450 INFO L189 CegarLoopUtils]: For program point L829(line 829) no Hoare annotation was computed. [2020-12-22 06:57:03,450 INFO L185 CegarLoopUtils]: At program point L334(lines 319 337) the Hoare annotation is: false [2020-12-22 06:57:03,450 INFO L185 CegarLoopUtils]: At program point L334-1(lines 319 337) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= 1 ~waterLevel~0) .cse4))) [2020-12-22 06:57:03,450 INFO L185 CegarLoopUtils]: At program point L334-2(lines 319 337) the Hoare annotation is: false [2020-12-22 06:57:03,451 INFO L185 CegarLoopUtils]: At program point L334-3(lines 319 337) the Hoare annotation is: false [2020-12-22 06:57:03,451 INFO L185 CegarLoopUtils]: At program point L334-4(lines 319 337) the Hoare annotation is: false [2020-12-22 06:57:03,451 INFO L185 CegarLoopUtils]: At program point L334-5(lines 319 337) the Hoare annotation is: false [2020-12-22 06:57:03,451 INFO L189 CegarLoopUtils]: For program point L402(lines 402 408) no Hoare annotation was computed. [2020-12-22 06:57:03,451 INFO L185 CegarLoopUtils]: At program point L402-1(lines 402 408) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2020-12-22 06:57:03,451 INFO L189 CegarLoopUtils]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:57:03,451 INFO L189 CegarLoopUtils]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:57:03,451 INFO L185 CegarLoopUtils]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-12-22 06:57:03,452 INFO L189 CegarLoopUtils]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:57:03,452 INFO L185 CegarLoopUtils]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2020-12-22 06:57:03,452 INFO L189 CegarLoopUtils]: For program point L204-3(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:57:03,452 INFO L185 CegarLoopUtils]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-12-22 06:57:03,452 INFO L189 CegarLoopUtils]: For program point L204-4(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:57:03,452 INFO L185 CegarLoopUtils]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-12-22 06:57:03,453 INFO L189 CegarLoopUtils]: For program point L204-5(lines 204 212) no Hoare annotation was computed. [2020-12-22 06:57:03,453 INFO L185 CegarLoopUtils]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-12-22 06:57:03,453 INFO L185 CegarLoopUtils]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-12-22 06:57:03,453 INFO L189 CegarLoopUtils]: For program point L832(lines 832 836) no Hoare annotation was computed. [2020-12-22 06:57:03,453 INFO L189 CegarLoopUtils]: For program point L832-1(lines 168 174) no Hoare annotation was computed. [2020-12-22 06:57:03,453 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2020-12-22 06:57:03,453 INFO L185 CegarLoopUtils]: At program point L175(lines 175 181) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-12-22 06:57:03,453 INFO L185 CegarLoopUtils]: At program point L175-1(lines 175 181) the Hoare annotation is: false [2020-12-22 06:57:03,454 INFO L185 CegarLoopUtils]: At program point L175-2(lines 175 181) the Hoare annotation is: false [2020-12-22 06:57:03,454 INFO L189 CegarLoopUtils]: For program point L968(lines 968 981) no Hoare annotation was computed. [2020-12-22 06:57:03,454 INFO L185 CegarLoopUtils]: At program point L968-1(lines 1 984) the Hoare annotation is: (let ((.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse6 .cse1 .cse2 .cse5))) [2020-12-22 06:57:03,454 INFO L189 CegarLoopUtils]: For program point L902(lines 902 909) no Hoare annotation was computed. [2020-12-22 06:57:03,454 INFO L189 CegarLoopUtils]: For program point L968-2(lines 968 981) no Hoare annotation was computed. [2020-12-22 06:57:03,454 INFO L185 CegarLoopUtils]: At program point L968-3(lines 1 984) the Hoare annotation is: false [2020-12-22 06:57:03,454 INFO L192 CegarLoopUtils]: At program point L902-1(lines 902 909) the Hoare annotation is: true [2020-12-22 06:57:03,456 INFO L189 CegarLoopUtils]: For program point L968-4(lines 968 981) no Hoare annotation was computed. [2020-12-22 06:57:03,456 INFO L185 CegarLoopUtils]: At program point L968-5(lines 1 984) the Hoare annotation is: false [2020-12-22 06:57:03,456 INFO L185 CegarLoopUtils]: At program point L442(lines 391 443) the Hoare annotation is: false [2020-12-22 06:57:03,456 INFO L185 CegarLoopUtils]: At program point L938(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:57:03,457 INFO L189 CegarLoopUtils]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-12-22 06:57:03,457 INFO L189 CegarLoopUtils]: For program point L972(lines 972 978) no Hoare annotation was computed. [2020-12-22 06:57:03,457 INFO L189 CegarLoopUtils]: For program point L972-2(lines 972 978) no Hoare annotation was computed. [2020-12-22 06:57:03,457 INFO L189 CegarLoopUtils]: For program point L972-4(lines 972 978) no Hoare annotation was computed. [2020-12-22 06:57:03,457 INFO L185 CegarLoopUtils]: At program point L279(lines 274 282) the Hoare annotation is: false [2020-12-22 06:57:03,457 INFO L185 CegarLoopUtils]: At program point L279-1(lines 274 282) the Hoare annotation is: false [2020-12-22 06:57:03,457 INFO L185 CegarLoopUtils]: At program point L279-2(lines 274 282) the Hoare annotation is: false [2020-12-22 06:57:03,457 INFO L189 CegarLoopUtils]: For program point L412(lines 412 418) no Hoare annotation was computed. [2020-12-22 06:57:03,458 INFO L185 CegarLoopUtils]: At program point L412-1(lines 412 418) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)))) [2020-12-22 06:57:03,458 INFO L185 CegarLoopUtils]: At program point L148(lines 143 151) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:03,458 INFO L185 CegarLoopUtils]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-12-22 06:57:03,458 INFO L185 CegarLoopUtils]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-12-22 06:57:03,458 INFO L189 CegarLoopUtils]: For program point L347(lines 347 351) no Hoare annotation was computed. [2020-12-22 06:57:03,459 INFO L189 CegarLoopUtils]: For program point L347-2(lines 347 351) no Hoare annotation was computed. [2020-12-22 06:57:03,459 INFO L189 CegarLoopUtils]: For program point L347-3(lines 347 351) no Hoare annotation was computed. [2020-12-22 06:57:03,459 INFO L189 CegarLoopUtils]: For program point L347-5(lines 347 351) no Hoare annotation was computed. [2020-12-22 06:57:03,459 INFO L189 CegarLoopUtils]: For program point L347-6(lines 347 351) no Hoare annotation was computed. [2020-12-22 06:57:03,459 INFO L189 CegarLoopUtils]: For program point L347-8(lines 347 351) no Hoare annotation was computed. [2020-12-22 06:57:03,460 INFO L185 CegarLoopUtils]: At program point L876(lines 872 878) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:03,460 INFO L192 CegarLoopUtils]: At program point L911(lines 892 914) the Hoare annotation is: true [2020-12-22 06:57:03,460 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:03,460 INFO L185 CegarLoopUtils]: At program point L946(lines 941 949) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:03,460 INFO L185 CegarLoopUtils]: At program point L353(lines 338 356) the Hoare annotation is: (and (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~8 1) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~3 0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 0))) [2020-12-22 06:57:03,460 INFO L185 CegarLoopUtils]: At program point L353-1(lines 338 356) the Hoare annotation is: false [2020-12-22 06:57:03,460 INFO L185 CegarLoopUtils]: At program point L353-2(lines 338 356) the Hoare annotation is: false [2020-12-22 06:57:03,461 INFO L189 CegarLoopUtils]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:57:03,461 INFO L189 CegarLoopUtils]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:57:03,461 INFO L189 CegarLoopUtils]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-12-22 06:57:03,461 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:03,461 INFO L189 CegarLoopUtils]: For program point L422(lines 422 437) no Hoare annotation was computed. [2020-12-22 06:57:03,461 INFO L185 CegarLoopUtils]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-12-22 06:57:03,461 INFO L185 CegarLoopUtils]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2020-12-22 06:57:03,461 INFO L185 CegarLoopUtils]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2020-12-22 06:57:03,462 INFO L189 CegarLoopUtils]: For program point L226(lines 226 243) no Hoare annotation was computed. [2020-12-22 06:57:03,462 INFO L189 CegarLoopUtils]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2020-12-22 06:57:03,462 INFO L189 CegarLoopUtils]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2020-12-22 06:57:03,462 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:03,462 INFO L189 CegarLoopUtils]: For program point L393(lines 392 441) no Hoare annotation was computed. [2020-12-22 06:57:03,462 INFO L189 CegarLoopUtils]: For program point L955(line 955) no Hoare annotation was computed. [2020-12-22 06:57:03,462 INFO L189 CegarLoopUtils]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-12-22 06:57:03,463 INFO L189 CegarLoopUtils]: For program point L955-2(line 955) no Hoare annotation was computed. [2020-12-22 06:57:03,463 INFO L189 CegarLoopUtils]: For program point L394(lines 394 398) no Hoare annotation was computed. [2020-12-22 06:57:03,463 INFO L189 CegarLoopUtils]: For program point L361(lines 361 367) no Hoare annotation was computed. [2020-12-22 06:57:03,463 INFO L185 CegarLoopUtils]: At program point L361-1(lines 361 367) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~8 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:03,463 INFO L189 CegarLoopUtils]: For program point L328(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,463 INFO L189 CegarLoopUtils]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,463 INFO L189 CegarLoopUtils]: For program point L328-3(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,463 INFO L189 CegarLoopUtils]: For program point L328-5(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-6(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-8(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-9(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-11(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-12(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-14(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-15(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L328-17(lines 328 332) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-12-22 06:57:03,464 INFO L189 CegarLoopUtils]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2020-12-22 06:57:03,465 INFO L189 CegarLoopUtils]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-12-22 06:57:03,465 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:03,465 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2020-12-22 06:57:03,466 INFO L189 CegarLoopUtils]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-12-22 06:57:03,466 INFO L185 CegarLoopUtils]: At program point L430-1(lines 168 174) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-12-22 06:57:03,466 INFO L189 CegarLoopUtils]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:57:03,466 INFO L189 CegarLoopUtils]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:57:03,466 INFO L189 CegarLoopUtils]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:57:03,466 INFO L189 CegarLoopUtils]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:57:03,466 INFO L189 CegarLoopUtils]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:57:03,466 INFO L189 CegarLoopUtils]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-12-22 06:57:03,467 INFO L189 CegarLoopUtils]: For program point L200(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:57:03,467 INFO L189 CegarLoopUtils]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:57:03,467 INFO L189 CegarLoopUtils]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:57:03,467 INFO L189 CegarLoopUtils]: For program point L200-3(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:57:03,467 INFO L189 CegarLoopUtils]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-12-22 06:57:03,467 INFO L189 CegarLoopUtils]: For program point L200-4(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:57:03,467 INFO L189 CegarLoopUtils]: For program point L200-5(lines 200 217) no Hoare annotation was computed. [2020-12-22 06:57:03,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:03 BoogieIcfgContainer [2020-12-22 06:57:03,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:03,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:03,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:03,503 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:03,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:49" (3/4) ... [2020-12-22 06:57:03,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:03,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:03,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:03,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:03,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:03,534 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:03,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:03,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:03,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:03,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:03,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:03,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2020-12-22 06:57:03,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2020-12-22 06:57:03,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:03,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:03,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:03,570 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:57:03,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) [2020-12-22 06:57:03,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:57:03,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:03,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) [2020-12-22 06:57:03,573 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:57:03,670 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product52.cil.c-witness.graphml [2020-12-22 06:57:03,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:03,671 INFO L168 Benchmark]: Toolchain (without parser) took 16191.83 ms. Allocated memory was 151.0 MB in the beginning and 317.7 MB in the end (delta: 166.7 MB). Free memory was 124.3 MB in the beginning and 260.0 MB in the end (delta: -135.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:03,671 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:03,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.72 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 102.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:03,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.56 ms. Allocated memory is still 151.0 MB. Free memory was 102.6 MB in the beginning and 98.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:03,673 INFO L168 Benchmark]: Boogie Preprocessor took 57.96 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 96.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:03,673 INFO L168 Benchmark]: RCFGBuilder took 1301.30 ms. Allocated memory is still 151.0 MB. Free memory was 96.2 MB in the beginning and 71.6 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:03,673 INFO L168 Benchmark]: TraceAbstraction took 14013.78 ms. Allocated memory was 151.0 MB in the beginning and 317.7 MB in the end (delta: 166.7 MB). Free memory was 71.0 MB in the beginning and 270.0 MB in the end (delta: -198.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:03,674 INFO L168 Benchmark]: Witness Printer took 167.34 ms. Allocated memory is still 317.7 MB. Free memory was 270.0 MB in the beginning and 260.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:03,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 565.72 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 102.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 76.56 ms. Allocated memory is still 151.0 MB. Free memory was 102.6 MB in the beginning and 98.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.96 ms. Allocated memory is still 151.0 MB. Free memory was 98.9 MB in the beginning and 96.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1301.30 ms. Allocated memory is still 151.0 MB. Free memory was 96.2 MB in the beginning and 71.6 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14013.78 ms. Allocated memory was 151.0 MB in the beginning and 317.7 MB in the end (delta: 166.7 MB). Free memory was 71.0 MB in the beginning and 270.0 MB in the end (delta: -198.9 MB). Peak memory consumption was 132.9 MB. Max. memory is 8.0 GB. * Witness Printer took 167.34 ms. Allocated memory is still 317.7 MB. Free memory was 270.0 MB in the beginning and 260.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 955]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((((!(tmp == 0) && !(\result == 0)) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && !(tmp___0 == 0) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && \result == 1) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp)) || (((((\result == waterLevel && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1425 SDtfs, 2882 SDslu, 2575 SDs, 0 SdLazy, 419 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=379occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2412 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 184 NumberOfFragments, 598 HoareAnnotationTreeSize, 44 FomulaSimplifications, 3296986 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 244236 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 623 ConstructedInterpolants, 0 QuantifiedInterpolants, 49241 SizeOfPredicates, 3 NumberOfNonLiveVariables, 814 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 201/212 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...