/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_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:56:54,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:56:54,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:56:54,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:56:54,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:56:54,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:56:54,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:56:54,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:56:55,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:56:55,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:56:55,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:56:55,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:56:55,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:56:55,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:56:55,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:56:55,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:56:55,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:56:55,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:56:55,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:56:55,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:56:55,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:56:55,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:56:55,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:56:55,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:56:55,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:56:55,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:56:55,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:56:55,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:56:55,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:56:55,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:56:55,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:56:55,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:56:55,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:56:55,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:56:55,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:56:55,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:56:55,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:56:55,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:56:55,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:56:55,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:56:55,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:56:55,088 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:56:55,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:56:55,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:56:55,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:56:55,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:56:55,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:56:55,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:56:55,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:56:55,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:56:55,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:56:55,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:56:55,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:56:55,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:56:55,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:56:55,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:56:55,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:56:55,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:56:55,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:56:55,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:56:55,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:56:55,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:56:55,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:56:55,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:56:55,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:56:55,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:56:55,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:56:55,522 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:56:55,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2020-12-22 06:56:55,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b07d58e5d/d359337f0daf47e7a09545eee67bdaad/FLAGb6aa2a348 [2020-12-22 06:56:56,546 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:56:56,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2020-12-22 06:56:56,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b07d58e5d/d359337f0daf47e7a09545eee67bdaad/FLAGb6aa2a348 [2020-12-22 06:56:56,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b07d58e5d/d359337f0daf47e7a09545eee67bdaad [2020-12-22 06:56:56,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:56:56,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:56:56,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:56,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:56:56,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:56:56,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:56" (1/1) ... [2020-12-22 06:56:56,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a0a3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:56, skipping insertion in model container [2020-12-22 06:56:56,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:56:56" (1/1) ... [2020-12-22 06:56:56,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:56:56,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:56:57,173 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_product60.cil.c[13139,13152] [2020-12-22 06:56:57,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:57,284 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:56:57,395 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_product60.cil.c[13139,13152] [2020-12-22 06:56:57,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:56:57,505 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:56:57,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57 WrapperNode [2020-12-22 06:56:57,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:56:57,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:57,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:56:57,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:56:57,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:56:57,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:56:57,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:56:57,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:56:57,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (1/1) ... [2020-12-22 06:56:57,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:56:57,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:56:57,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:56:57,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:56:57,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (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 06:56:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:56:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:56:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:56:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:56:58,955 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:56:58,955 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2020-12-22 06:56:58,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:58 BoogieIcfgContainer [2020-12-22 06:56:58,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:56:58,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:56:58,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:56:58,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:56:58,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:56:56" (1/3) ... [2020-12-22 06:56:58,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291be8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:58, skipping insertion in model container [2020-12-22 06:56:58,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:56:57" (2/3) ... [2020-12-22 06:56:58,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291be8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:56:58, skipping insertion in model container [2020-12-22 06:56:58,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:58" (3/3) ... [2020-12-22 06:56:58,969 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2020-12-22 06:56:58,977 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:56:58,982 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:56:59,004 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:56:59,034 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:56:59,034 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:56:59,034 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:56:59,035 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:56:59,035 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:56:59,035 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:56:59,035 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:56:59,035 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:56:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-12-22 06:56:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 06:56:59,064 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:59,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:56:59,065 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:59,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:59,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2020-12-22 06:56:59,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:59,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007915664] [2020-12-22 06:56:59,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:59,508 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 06:56:59,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007915664] [2020-12-22 06:56:59,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:59,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:56:59,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255938304] [2020-12-22 06:56:59,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:56:59,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:59,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:56:59,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:56:59,535 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-12-22 06:56:59,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:59,577 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2020-12-22 06:56:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:56:59,579 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-22 06:56:59,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:59,593 INFO L225 Difference]: With dead ends: 268 [2020-12-22 06:56:59,593 INFO L226 Difference]: Without dead ends: 133 [2020-12-22 06:56:59,597 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 06:56:59,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-12-22 06:56:59,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-12-22 06:56:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-22 06:56:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-12-22 06:56:59,658 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-12-22 06:56:59,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:59,659 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-12-22 06:56:59,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:56:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-12-22 06:56:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 06:56:59,661 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:59,661 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 06:56:59,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:56:59,662 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:59,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:59,663 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2020-12-22 06:56:59,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:59,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309182398] [2020-12-22 06:56:59,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:56:59,797 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 06:56:59,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309182398] [2020-12-22 06:56:59,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:56:59,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:56:59,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878495690] [2020-12-22 06:56:59,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:56:59,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:56:59,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:56:59,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:56:59,803 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-12-22 06:56:59,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:56:59,820 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-12-22 06:56:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:56:59,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 06:56:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:56:59,822 INFO L225 Difference]: With dead ends: 133 [2020-12-22 06:56:59,822 INFO L226 Difference]: Without dead ends: 55 [2020-12-22 06:56:59,824 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 06:56:59,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-22 06:56:59,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-22 06:56:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-22 06:56:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-12-22 06:56:59,832 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-12-22 06:56:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:56:59,832 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-12-22 06:56:59,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:56:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-22 06:56:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-22 06:56:59,837 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:56:59,837 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 06:56:59,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:56:59,838 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:56:59,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:56:59,839 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2020-12-22 06:56:59,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:56:59,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393691725] [2020-12-22 06:56:59,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:56:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:00,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393691725] [2020-12-22 06:57:00,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:00,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135187456] [2020-12-22 06:57:00,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:00,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:00,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:00,017 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2020-12-22 06:57:00,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:00,105 INFO L93 Difference]: Finished difference Result 127 states and 186 transitions. [2020-12-22 06:57:00,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:00,105 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-22 06:57:00,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:00,107 INFO L225 Difference]: With dead ends: 127 [2020-12-22 06:57:00,107 INFO L226 Difference]: Without dead ends: 78 [2020-12-22 06:57:00,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:00,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-12-22 06:57:00,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2020-12-22 06:57:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-22 06:57:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2020-12-22 06:57:00,129 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2020-12-22 06:57:00,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,130 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2020-12-22 06:57:00,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2020-12-22 06:57:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:57:00,131 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,131 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 06:57:00,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:00,132 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2020-12-22 06:57:00,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064289635] [2020-12-22 06:57:00,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:00,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064289635] [2020-12-22 06:57:00,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:00,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339238837] [2020-12-22 06:57:00,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:00,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:00,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:00,237 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2020-12-22 06:57:00,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:00,293 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2020-12-22 06:57:00,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:00,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-22 06:57:00,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:00,298 INFO L225 Difference]: With dead ends: 163 [2020-12-22 06:57:00,298 INFO L226 Difference]: Without dead ends: 95 [2020-12-22 06:57:00,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:00,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-22 06:57:00,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2020-12-22 06:57:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-12-22 06:57:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2020-12-22 06:57:00,333 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2020-12-22 06:57:00,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,333 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2020-12-22 06:57:00,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2020-12-22 06:57:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:57:00,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,335 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 06:57:00,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:00,336 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,336 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2020-12-22 06:57:00,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386735782] [2020-12-22 06:57:00,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:00,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386735782] [2020-12-22 06:57:00,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:00,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:57:00,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907151269] [2020-12-22 06:57:00,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:57:00,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:00,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:57:00,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:00,471 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 8 states. [2020-12-22 06:57:00,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:00,907 INFO L93 Difference]: Finished difference Result 599 states and 872 transitions. [2020-12-22 06:57:00,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:57:00,907 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-12-22 06:57:00,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:00,911 INFO L225 Difference]: With dead ends: 599 [2020-12-22 06:57:00,912 INFO L226 Difference]: Without dead ends: 512 [2020-12-22 06:57:00,913 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 06:57:00,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-12-22 06:57:00,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 231. [2020-12-22 06:57:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-12-22 06:57:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2020-12-22 06:57:00,959 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2020-12-22 06:57:00,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:00,959 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2020-12-22 06:57:00,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:57:00,960 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2020-12-22 06:57:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-22 06:57:00,965 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:00,965 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 06:57:00,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:00,965 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:00,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:00,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2071461866, now seen corresponding path program 1 times [2020-12-22 06:57:00,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:00,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872912253] [2020-12-22 06:57:00,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,037 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 06:57:01,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872912253] [2020-12-22 06:57:01,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611709490] [2020-12-22 06:57:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:57:01,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:01,338 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 06:57:01,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:57:01,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-12-22 06:57:01,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765570540] [2020-12-22 06:57:01,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:01,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:01,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:01,344 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 4 states. [2020-12-22 06:57:01,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,502 INFO L93 Difference]: Finished difference Result 516 states and 733 transitions. [2020-12-22 06:57:01,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:01,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-12-22 06:57:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:01,505 INFO L225 Difference]: With dead ends: 516 [2020-12-22 06:57:01,505 INFO L226 Difference]: Without dead ends: 353 [2020-12-22 06:57:01,507 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 06:57:01,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2020-12-22 06:57:01,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 341. [2020-12-22 06:57:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-12-22 06:57:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 481 transitions. [2020-12-22 06:57:01,549 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 481 transitions. Word has length 41 [2020-12-22 06:57:01,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:01,550 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 481 transitions. [2020-12-22 06:57:01,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 481 transitions. [2020-12-22 06:57:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:57:01,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:01,564 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, 1, 1, 1] [2020-12-22 06:57:01,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-22 06:57:01,781 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:01,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:01,783 INFO L82 PathProgramCache]: Analyzing trace with hash -432399250, now seen corresponding path program 1 times [2020-12-22 06:57:01,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:01,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42515861] [2020-12-22 06:57:01,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:01,855 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 06:57:01,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42515861] [2020-12-22 06:57:01,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:01,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:01,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448329011] [2020-12-22 06:57:01,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:01,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:01,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:01,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:01,858 INFO L87 Difference]: Start difference. First operand 341 states and 481 transitions. Second operand 5 states. [2020-12-22 06:57:01,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:01,997 INFO L93 Difference]: Finished difference Result 1051 states and 1472 transitions. [2020-12-22 06:57:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:01,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-22 06:57:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,008 INFO L225 Difference]: With dead ends: 1051 [2020-12-22 06:57:02,008 INFO L226 Difference]: Without dead ends: 716 [2020-12-22 06:57:02,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:02,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-22 06:57:02,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 362. [2020-12-22 06:57:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2020-12-22 06:57:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 502 transitions. [2020-12-22 06:57:02,048 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 502 transitions. Word has length 53 [2020-12-22 06:57:02,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,049 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 502 transitions. [2020-12-22 06:57:02,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 502 transitions. [2020-12-22 06:57:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-22 06:57:02,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,051 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, 1, 1, 1] [2020-12-22 06:57:02,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:02,051 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,052 INFO L82 PathProgramCache]: Analyzing trace with hash -504785808, now seen corresponding path program 1 times [2020-12-22 06:57:02,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7081378] [2020-12-22 06:57:02,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,125 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 06:57:02,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7081378] [2020-12-22 06:57:02,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:02,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:02,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835071549] [2020-12-22 06:57:02,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:57:02,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:02,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:57:02,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:57:02,128 INFO L87 Difference]: Start difference. First operand 362 states and 502 transitions. Second operand 4 states. [2020-12-22 06:57:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,211 INFO L93 Difference]: Finished difference Result 840 states and 1169 transitions. [2020-12-22 06:57:02,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:57:02,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-12-22 06:57:02,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,216 INFO L225 Difference]: With dead ends: 840 [2020-12-22 06:57:02,216 INFO L226 Difference]: Without dead ends: 484 [2020-12-22 06:57:02,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:02,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-12-22 06:57:02,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 316. [2020-12-22 06:57:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-12-22 06:57:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 434 transitions. [2020-12-22 06:57:02,255 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 434 transitions. Word has length 53 [2020-12-22 06:57:02,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,255 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 434 transitions. [2020-12-22 06:57:02,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:57:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2020-12-22 06:57:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:02,257 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:02,258 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1070084556, now seen corresponding path program 1 times [2020-12-22 06:57:02,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464926182] [2020-12-22 06:57:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,368 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 06:57:02,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464926182] [2020-12-22 06:57:02,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:02,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:02,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592104077] [2020-12-22 06:57:02,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:02,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:02,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:02,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:02,377 INFO L87 Difference]: Start difference. First operand 316 states and 434 transitions. Second operand 5 states. [2020-12-22 06:57:02,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,516 INFO L93 Difference]: Finished difference Result 1158 states and 1614 transitions. [2020-12-22 06:57:02,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:02,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:57:02,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,521 INFO L225 Difference]: With dead ends: 1158 [2020-12-22 06:57:02,521 INFO L226 Difference]: Without dead ends: 890 [2020-12-22 06:57:02,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:02,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2020-12-22 06:57:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 322. [2020-12-22 06:57:02,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-12-22 06:57:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 440 transitions. [2020-12-22 06:57:02,567 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 440 transitions. Word has length 54 [2020-12-22 06:57:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,569 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 440 transitions. [2020-12-22 06:57:02,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 440 transitions. [2020-12-22 06:57:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:02,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:02,571 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1463111566, now seen corresponding path program 1 times [2020-12-22 06:57:02,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971696812] [2020-12-22 06:57:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:02,660 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 06:57:02,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971696812] [2020-12-22 06:57:02,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:02,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:02,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202449878] [2020-12-22 06:57:02,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:02,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:02,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:02,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:02,666 INFO L87 Difference]: Start difference. First operand 322 states and 440 transitions. Second operand 5 states. [2020-12-22 06:57:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:02,859 INFO L93 Difference]: Finished difference Result 859 states and 1177 transitions. [2020-12-22 06:57:02,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:02,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-22 06:57:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:02,864 INFO L225 Difference]: With dead ends: 859 [2020-12-22 06:57:02,865 INFO L226 Difference]: Without dead ends: 857 [2020-12-22 06:57:02,866 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 06:57:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-12-22 06:57:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 322. [2020-12-22 06:57:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2020-12-22 06:57:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 435 transitions. [2020-12-22 06:57:02,910 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 435 transitions. Word has length 54 [2020-12-22 06:57:02,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:02,910 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 435 transitions. [2020-12-22 06:57:02,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 435 transitions. [2020-12-22 06:57:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-22 06:57:02,911 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:02,911 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:02,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:57:02,914 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:02,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:02,914 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2020-12-22 06:57:02,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:02,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903945348] [2020-12-22 06:57:02,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:03,016 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 06:57:03,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903945348] [2020-12-22 06:57:03,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592808794] [2020-12-22 06:57:03,018 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 06:57:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:03,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-22 06:57:03,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:03,296 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 06:57:03,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:03,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-22 06:57:03,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193245353] [2020-12-22 06:57:03,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:03,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:03,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:03,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:03,300 INFO L87 Difference]: Start difference. First operand 322 states and 435 transitions. Second operand 6 states. [2020-12-22 06:57:03,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:03,580 INFO L93 Difference]: Finished difference Result 722 states and 975 transitions. [2020-12-22 06:57:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:03,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-12-22 06:57:03,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:03,585 INFO L225 Difference]: With dead ends: 722 [2020-12-22 06:57:03,585 INFO L226 Difference]: Without dead ends: 448 [2020-12-22 06:57:03,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:57:03,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-12-22 06:57:03,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 284. [2020-12-22 06:57:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-12-22 06:57:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 377 transitions. [2020-12-22 06:57:03,623 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 377 transitions. Word has length 55 [2020-12-22 06:57:03,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:03,624 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 377 transitions. [2020-12-22 06:57:03,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 377 transitions. [2020-12-22 06:57:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-22 06:57:03,625 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:03,625 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, 1, 1, 1] [2020-12-22 06:57:03,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:57:03,840 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:03,841 INFO L82 PathProgramCache]: Analyzing trace with hash 533191345, now seen corresponding path program 2 times [2020-12-22 06:57:03,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:03,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641068512] [2020-12-22 06:57:03,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:03,979 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 06:57:03,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641068512] [2020-12-22 06:57:03,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:03,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:03,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015954625] [2020-12-22 06:57:03,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:03,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:03,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:03,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:03,983 INFO L87 Difference]: Start difference. First operand 284 states and 377 transitions. Second operand 5 states. [2020-12-22 06:57:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:04,422 INFO L93 Difference]: Finished difference Result 833 states and 1123 transitions. [2020-12-22 06:57:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:04,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-22 06:57:04,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:04,427 INFO L225 Difference]: With dead ends: 833 [2020-12-22 06:57:04,428 INFO L226 Difference]: Without dead ends: 596 [2020-12-22 06:57:04,429 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 06:57:04,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-12-22 06:57:04,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 385. [2020-12-22 06:57:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-12-22 06:57:04,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 511 transitions. [2020-12-22 06:57:04,480 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 511 transitions. Word has length 76 [2020-12-22 06:57:04,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:04,481 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 511 transitions. [2020-12-22 06:57:04,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:04,481 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 511 transitions. [2020-12-22 06:57:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-22 06:57:04,482 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:04,482 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, 1, 1, 1] [2020-12-22 06:57:04,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:57:04,483 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:04,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:04,483 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2020-12-22 06:57:04,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:04,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197931009] [2020-12-22 06:57:04,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:04,590 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 06:57:04,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197931009] [2020-12-22 06:57:04,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:04,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:04,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331950085] [2020-12-22 06:57:04,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:04,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:04,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:04,593 INFO L87 Difference]: Start difference. First operand 385 states and 511 transitions. Second operand 5 states. [2020-12-22 06:57:04,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:04,692 INFO L93 Difference]: Finished difference Result 735 states and 976 transitions. [2020-12-22 06:57:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:04,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-22 06:57:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:04,694 INFO L225 Difference]: With dead ends: 735 [2020-12-22 06:57:04,694 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:04,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:04,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:04,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:04,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:04,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-12-22 06:57:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:04,697 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:04,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:04,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:04,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:04,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:57:04,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:05,283 WARN L197 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 182 [2020-12-22 06:57:05,550 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 109 [2020-12-22 06:57:05,853 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2020-12-22 06:57:06,309 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 176 [2020-12-22 06:57:06,683 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 177 [2020-12-22 06:57:06,956 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 150 [2020-12-22 06:57:07,370 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 182 [2020-12-22 06:57:07,792 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 176 [2020-12-22 06:57:09,017 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-12-22 06:57:09,419 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 24 [2020-12-22 06:57:09,975 WARN L197 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2020-12-22 06:57:11,185 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-12-22 06:57:12,221 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 171 DAG size of output: 24 [2020-12-22 06:57:12,455 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2020-12-22 06:57:13,201 WARN L197 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2020-12-22 06:57:14,395 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2020-12-22 06:57:14,610 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2020-12-22 06:57:15,665 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-12-22 06:57:15,669 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-22 06:57:15,670 INFO L189 CegarLoopUtils]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:15,670 INFO L189 CegarLoopUtils]: For program point L663(lines 663 671) no Hoare annotation was computed. [2020-12-22 06:57:15,670 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:15,670 INFO L189 CegarLoopUtils]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2020-12-22 06:57:15,670 INFO L189 CegarLoopUtils]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2020-12-22 06:57:15,671 INFO L189 CegarLoopUtils]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:15,671 INFO L189 CegarLoopUtils]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:15,671 INFO L189 CegarLoopUtils]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:15,671 INFO L189 CegarLoopUtils]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2020-12-22 06:57:15,671 INFO L189 CegarLoopUtils]: For program point L862(lines 862 868) no Hoare annotation was computed. [2020-12-22 06:57:15,672 INFO L185 CegarLoopUtils]: At program point L862-1(lines 862 868) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse5 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse5 .cse4 .cse2 .cse3))) [2020-12-22 06:57:15,672 INFO L185 CegarLoopUtils]: At program point L730(lines 725 733) the Hoare annotation is: false [2020-12-22 06:57:15,672 INFO L185 CegarLoopUtils]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2020-12-22 06:57:15,672 INFO L185 CegarLoopUtils]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2020-12-22 06:57:15,672 INFO L189 CegarLoopUtils]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:15,673 INFO L189 CegarLoopUtils]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2020-12-22 06:57:15,674 INFO L189 CegarLoopUtils]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:15,674 INFO L189 CegarLoopUtils]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2020-12-22 06:57:15,674 INFO L189 CegarLoopUtils]: For program point L931(lines 931 935) no Hoare annotation was computed. [2020-12-22 06:57:15,674 INFO L185 CegarLoopUtils]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (not (= 0 ~systemActive~0)) .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2020-12-22 06:57:15,674 INFO L189 CegarLoopUtils]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2020-12-22 06:57:15,674 INFO L185 CegarLoopUtils]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2020-12-22 06:57:15,675 INFO L185 CegarLoopUtils]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2020-12-22 06:57:15,675 INFO L185 CegarLoopUtils]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:15,675 INFO L185 CegarLoopUtils]: At program point L999-1(lines 994 1002) the Hoare annotation is: false [2020-12-22 06:57:15,675 INFO L185 CegarLoopUtils]: At program point L999-2(lines 994 1002) the Hoare annotation is: false [2020-12-22 06:57:15,675 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) 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 06:57:15,675 INFO L189 CegarLoopUtils]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:15,675 INFO L189 CegarLoopUtils]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:15,675 INFO L189 CegarLoopUtils]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:15,676 INFO L189 CegarLoopUtils]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:15,676 INFO L189 CegarLoopUtils]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:15,676 INFO L189 CegarLoopUtils]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2020-12-22 06:57:15,676 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-22 06:57:15,676 INFO L192 CegarLoopUtils]: At program point L176(lines 157 179) the Hoare annotation is: true [2020-12-22 06:57:15,676 INFO L185 CegarLoopUtils]: At program point L143(lines 139 145) 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) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) [2020-12-22 06:57:15,677 INFO L185 CegarLoopUtils]: At program point L804(lines 789 807) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:15,677 INFO L185 CegarLoopUtils]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2020-12-22 06:57:15,677 INFO L185 CegarLoopUtils]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2020-12-22 06:57:15,677 INFO L189 CegarLoopUtils]: For program point L872(lines 872 887) no Hoare annotation was computed. [2020-12-22 06:57:15,677 INFO L185 CegarLoopUtils]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2020-12-22 06:57:15,677 INFO L185 CegarLoopUtils]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2020-12-22 06:57:15,677 INFO L185 CegarLoopUtils]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2020-12-22 06:57:15,677 INFO L189 CegarLoopUtils]: For program point L907(lines 907 911) no Hoare annotation was computed. [2020-12-22 06:57:15,678 INFO L189 CegarLoopUtils]: For program point L907-3(lines 907 911) no Hoare annotation was computed. [2020-12-22 06:57:15,678 INFO L189 CegarLoopUtils]: For program point L907-6(lines 907 911) no Hoare annotation was computed. [2020-12-22 06:57:15,678 INFO L189 CegarLoopUtils]: For program point L843(lines 842 891) no Hoare annotation was computed. [2020-12-22 06:57:15,678 INFO L185 CegarLoopUtils]: At program point L976(lines 971 979) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:15,678 INFO L185 CegarLoopUtils]: At program point L976-1(lines 971 979) the Hoare annotation is: false [2020-12-22 06:57:15,678 INFO L185 CegarLoopUtils]: At program point L976-2(lines 971 979) the Hoare annotation is: false [2020-12-22 06:57:15,678 INFO L189 CegarLoopUtils]: For program point L844(lines 844 848) no Hoare annotation was computed. [2020-12-22 06:57:15,679 INFO L189 CegarLoopUtils]: For program point L580(line 580) no Hoare annotation was computed. [2020-12-22 06:57:15,679 INFO L189 CegarLoopUtils]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-12-22 06:57:15,679 INFO L189 CegarLoopUtils]: For program point L580-2(line 580) no Hoare annotation was computed. [2020-12-22 06:57:15,679 INFO L185 CegarLoopUtils]: At program point L944(lines 939 947) the Hoare annotation is: false [2020-12-22 06:57:15,679 INFO L185 CegarLoopUtils]: At program point L944-1(lines 939 947) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:15,679 INFO L185 CegarLoopUtils]: At program point L944-2(lines 939 947) the Hoare annotation is: false [2020-12-22 06:57:15,679 INFO L185 CegarLoopUtils]: At program point L944-3(lines 939 947) the Hoare annotation is: false [2020-12-22 06:57:15,679 INFO L189 CegarLoopUtils]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-12-22 06:57:15,680 INFO L185 CegarLoopUtils]: At program point L944-4(lines 939 947) the Hoare annotation is: false [2020-12-22 06:57:15,680 INFO L185 CegarLoopUtils]: At program point L812-1(lines 812 818) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2020-12-22 06:57:15,680 INFO L189 CegarLoopUtils]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,680 INFO L185 CegarLoopUtils]: At program point L944-5(lines 939 947) the Hoare annotation is: false [2020-12-22 06:57:15,680 INFO L189 CegarLoopUtils]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,680 INFO L189 CegarLoopUtils]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,680 INFO L189 CegarLoopUtils]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,680 INFO L189 CegarLoopUtils]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2020-12-22 06:57:15,681 INFO L189 CegarLoopUtils]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-12-22 06:57:15,682 INFO L185 CegarLoopUtils]: At program point L880-1(lines 601 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2020-12-22 06:57:15,682 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,682 INFO L185 CegarLoopUtils]: At program point L785(lines 770 788) the Hoare annotation is: false [2020-12-22 06:57:15,682 INFO L185 CegarLoopUtils]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (= |ULTIMATE.start_valid_product_#res| 1)))) [2020-12-22 06:57:15,682 INFO L185 CegarLoopUtils]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2020-12-22 06:57:15,682 INFO L185 CegarLoopUtils]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2020-12-22 06:57:15,683 INFO L185 CegarLoopUtils]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2020-12-22 06:57:15,683 INFO L185 CegarLoopUtils]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2020-12-22 06:57:15,683 INFO L185 CegarLoopUtils]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2020-12-22 06:57:15,683 INFO L189 CegarLoopUtils]: For program point L984(lines 984 990) no Hoare annotation was computed. [2020-12-22 06:57:15,683 INFO L189 CegarLoopUtils]: For program point L984-1(lines 984 990) no Hoare annotation was computed. [2020-12-22 06:57:15,683 INFO L189 CegarLoopUtils]: For program point L984-2(lines 984 990) no Hoare annotation was computed. [2020-12-22 06:57:15,683 INFO L189 CegarLoopUtils]: For program point L984-3(lines 984 990) no Hoare annotation was computed. [2020-12-22 06:57:15,683 INFO L189 CegarLoopUtils]: For program point L852(lines 852 858) no Hoare annotation was computed. [2020-12-22 06:57:15,683 INFO L189 CegarLoopUtils]: For program point L984-4(lines 984 990) no Hoare annotation was computed. [2020-12-22 06:57:15,684 INFO L185 CegarLoopUtils]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse5 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse5 .cse4 .cse2 .cse3))) [2020-12-22 06:57:15,684 INFO L189 CegarLoopUtils]: For program point L984-5(lines 984 990) no Hoare annotation was computed. [2020-12-22 06:57:15,684 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2020-12-22 06:57:15,684 INFO L189 CegarLoopUtils]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-12-22 06:57:15,684 INFO L185 CegarLoopUtils]: At program point L721(lines 714 724) the Hoare annotation is: false [2020-12-22 06:57:15,684 INFO L185 CegarLoopUtils]: At program point L721-1(lines 714 724) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:15,684 INFO L185 CegarLoopUtils]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2020-12-22 06:57:15,684 INFO L185 CegarLoopUtils]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2020-12-22 06:57:15,685 INFO L185 CegarLoopUtils]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2020-12-22 06:57:15,685 INFO L185 CegarLoopUtils]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2020-12-22 06:57:15,685 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,685 INFO L189 CegarLoopUtils]: For program point L558(lines 558 571) no Hoare annotation was computed. [2020-12-22 06:57:15,685 INFO L185 CegarLoopUtils]: At program point L558-1(lines 1 1002) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse6 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:15,685 INFO L189 CegarLoopUtils]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2020-12-22 06:57:15,685 INFO L185 CegarLoopUtils]: At program point L558-3(lines 1 1002) the Hoare annotation is: false [2020-12-22 06:57:15,685 INFO L189 CegarLoopUtils]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2020-12-22 06:57:15,686 INFO L185 CegarLoopUtils]: At program point L558-5(lines 1 1002) the Hoare annotation is: false [2020-12-22 06:57:15,686 INFO L189 CegarLoopUtils]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-12-22 06:57:15,686 INFO L189 CegarLoopUtils]: For program point L96-1(lines 601 607) no Hoare annotation was computed. [2020-12-22 06:57:15,686 INFO L185 CegarLoopUtils]: At program point L989(lines 980 993) the Hoare annotation is: false [2020-12-22 06:57:15,686 INFO L185 CegarLoopUtils]: At program point L989-1(lines 980 993) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-12-22 06:57:15,686 INFO L185 CegarLoopUtils]: At program point L989-2(lines 980 993) the Hoare annotation is: false [2020-12-22 06:57:15,686 INFO L185 CegarLoopUtils]: At program point L989-3(lines 980 993) the Hoare annotation is: false [2020-12-22 06:57:15,686 INFO L185 CegarLoopUtils]: At program point L989-4(lines 980 993) the Hoare annotation is: false [2020-12-22 06:57:15,687 INFO L185 CegarLoopUtils]: At program point L989-5(lines 980 993) the Hoare annotation is: false [2020-12-22 06:57:15,687 INFO L189 CegarLoopUtils]: For program point L659(lines 659 676) no Hoare annotation was computed. [2020-12-22 06:57:15,687 INFO L189 CegarLoopUtils]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2020-12-22 06:57:15,687 INFO L189 CegarLoopUtils]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2020-12-22 06:57:15,687 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:15,687 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-12-22 06:57:15,687 INFO L185 CegarLoopUtils]: At program point L892(lines 841 893) the Hoare annotation is: false [2020-12-22 06:57:15,687 INFO L189 CegarLoopUtils]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-12-22 06:57:15,688 INFO L189 CegarLoopUtils]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2020-12-22 06:57:15,688 INFO L189 CegarLoopUtils]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2020-12-22 06:57:15,688 INFO L185 CegarLoopUtils]: At program point L67(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:57:15,688 INFO L189 CegarLoopUtils]: For program point L167(lines 167 174) no Hoare annotation was computed. [2020-12-22 06:57:15,688 INFO L192 CegarLoopUtils]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2020-12-22 06:57:15,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:15 BoogieIcfgContainer [2020-12-22 06:57:15,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:15,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:15,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:15,720 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:15,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:56:58" (3/4) ... [2020-12-22 06:57:15,724 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:15,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:15,758 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:15,759 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:15,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:15,762 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:15,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:15,764 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:15,796 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:15,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == waterLevel [2020-12-22 06:57:15,797 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2020-12-22 06:57:15,799 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:15,800 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:15,801 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2020-12-22 06:57:15,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2020-12-22 06:57:15,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2020-12-22 06:57:15,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2020-12-22 06:57:15,804 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) [2020-12-22 06:57:15,805 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:57:15,809 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:15,813 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:57:15,813 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 0 && tmp == 1) && \result == waterLevel) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:57:15,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:57:15,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:57:15,896 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product60.cil.c-witness.graphml [2020-12-22 06:57:15,896 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:15,897 INFO L168 Benchmark]: Toolchain (without parser) took 19113.04 ms. Allocated memory was 157.3 MB in the beginning and 415.2 MB in the end (delta: 257.9 MB). Free memory was 131.4 MB in the beginning and 260.1 MB in the end (delta: -128.7 MB). Peak memory consumption was 130.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,897 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 157.3 MB. Free memory is still 131.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:15,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.41 ms. Allocated memory is still 157.3 MB. Free memory was 131.2 MB in the beginning and 109.5 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.38 ms. Allocated memory is still 157.3 MB. Free memory was 109.3 MB in the beginning and 105.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,899 INFO L168 Benchmark]: Boogie Preprocessor took 79.80 ms. Allocated memory is still 157.3 MB. Free memory was 105.2 MB in the beginning and 137.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,899 INFO L168 Benchmark]: RCFGBuilder took 1232.77 ms. Allocated memory is still 157.3 MB. Free memory was 137.3 MB in the beginning and 68.1 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,900 INFO L168 Benchmark]: TraceAbstraction took 16758.19 ms. Allocated memory was 157.3 MB in the beginning and 415.2 MB in the end (delta: 257.9 MB). Free memory was 67.5 MB in the beginning and 272.2 MB in the end (delta: -204.7 MB). Peak memory consumption was 141.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,900 INFO L168 Benchmark]: Witness Printer took 176.63 ms. Allocated memory is still 415.2 MB. Free memory was 272.2 MB in the beginning and 260.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:15,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 157.3 MB. Free memory is still 131.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 720.41 ms. Allocated memory is still 157.3 MB. Free memory was 131.2 MB in the beginning and 109.5 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 136.38 ms. Allocated memory is still 157.3 MB. Free memory was 109.3 MB in the beginning and 105.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.80 ms. Allocated memory is still 157.3 MB. Free memory was 105.2 MB in the beginning and 137.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1232.77 ms. Allocated memory is still 157.3 MB. Free memory was 137.3 MB in the beginning and 68.1 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16758.19 ms. Allocated memory was 157.3 MB in the beginning and 415.2 MB in the end (delta: 257.9 MB). Free memory was 67.5 MB in the beginning and 272.2 MB in the end (delta: -204.7 MB). Peak memory consumption was 141.9 MB. Max. memory is 8.0 GB. * Witness Printer took 176.63 ms. Allocated memory is still 415.2 MB. Free memory was 272.2 MB in the beginning and 260.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: 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: 789]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == waterLevel - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 0 && tmp == 1) && \result == waterLevel) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1588 SDtfs, 2569 SDslu, 2650 SDs, 0 SdLazy, 397 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred 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: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2299 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 200 NumberOfFragments, 708 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1647971 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 420463 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 52307 SizeOfPredicates, 3 NumberOfNonLiveVariables, 830 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...