/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:47,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:47,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:47,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 06:57:47,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:47,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:47,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:47,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:47,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:47,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:47,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:47,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:47,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:47,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:47,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:47,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:47,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:47,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:57:47,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:57:47,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:57:47,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:57:47,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:57:47,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:57:47,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:57:47,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:57:47,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:47,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:47,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:47,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:47,968 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:47,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:47,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:47,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:47,971 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:47,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:47,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:47,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:47,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:47,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:47,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:47,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:47,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:47,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:47,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:47,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:47,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:47,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:47,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:47,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:47,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:47,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:47,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:47,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:47,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:47,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:48,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:48,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:48,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:48,447 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:48,448 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:48,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-12-22 06:57:48,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4619f7ff2/a088b674dd154b8bbc52f8f74e60db3c/FLAGfe6bc756d [2020-12-22 06:57:49,379 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:49,380 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2020-12-22 06:57:49,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4619f7ff2/a088b674dd154b8bbc52f8f74e60db3c/FLAGfe6bc756d [2020-12-22 06:57:49,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4619f7ff2/a088b674dd154b8bbc52f8f74e60db3c [2020-12-22 06:57:49,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:49,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:49,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:49,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:49,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:49,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de1ddc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:49, skipping insertion in model container [2020-12-22 06:57:49,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:49" (1/1) ... [2020-12-22 06:57:49,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:49,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:50,002 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2020-12-22 06:57:50,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,119 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:50,210 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6562,6575] [2020-12-22 06:57:50,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:50,301 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:50,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50 WrapperNode [2020-12-22 06:57:50,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:50,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:50,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:50,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:50,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:50,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:50,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:50,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:50,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... [2020-12-22 06:57:50,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:50,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:50,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:50,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:50,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:50,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:50,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:50,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:51,611 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:51,611 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2020-12-22 06:57:51,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:51 BoogieIcfgContainer [2020-12-22 06:57:51,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:51,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:51,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:51,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:51,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:49" (1/3) ... [2020-12-22 06:57:51,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f7607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:51, skipping insertion in model container [2020-12-22 06:57:51,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:50" (2/3) ... [2020-12-22 06:57:51,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f7607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:51, skipping insertion in model container [2020-12-22 06:57:51,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:51" (3/3) ... [2020-12-22 06:57:51,623 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2020-12-22 06:57:51,630 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:51,635 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:51,655 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:51,691 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:51,692 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:51,692 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:51,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:51,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:51,692 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:51,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:51,693 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-12-22 06:57:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:51,719 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:51,720 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:51,721 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:51,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:51,728 INFO L82 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2020-12-22 06:57:51,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:51,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199066119] [2020-12-22 06:57:51,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,051 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 06:57:52,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199066119] [2020-12-22 06:57:52,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:52,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851004136] [2020-12-22 06:57:52,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:52,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:52,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:52,082 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2020-12-22 06:57:52,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,135 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2020-12-22 06:57:52,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:52,137 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:52,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,151 INFO L225 Difference]: With dead ends: 245 [2020-12-22 06:57:52,152 INFO L226 Difference]: Without dead ends: 122 [2020-12-22 06:57:52,156 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:52,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-12-22 06:57:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-12-22 06:57:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-12-22 06:57:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2020-12-22 06:57:52,234 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2020-12-22 06:57:52,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,235 INFO L481 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2020-12-22 06:57:52,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:52,235 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2020-12-22 06:57:52,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:52,236 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:52,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:52,237 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2020-12-22 06:57:52,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008774784] [2020-12-22 06:57:52,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,369 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 06:57:52,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008774784] [2020-12-22 06:57:52,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:52,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105527470] [2020-12-22 06:57:52,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:52,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:52,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:52,379 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2020-12-22 06:57:52,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,406 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2020-12-22 06:57:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:52,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,411 INFO L225 Difference]: With dead ends: 122 [2020-12-22 06:57:52,412 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:57:52,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:52,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:57:52,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:57:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:57:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2020-12-22 06:57:52,432 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2020-12-22 06:57:52,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,432 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2020-12-22 06:57:52,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2020-12-22 06:57:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:52,437 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:52,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:52,438 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,440 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2020-12-22 06:57:52,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824897613] [2020-12-22 06:57:52,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,654 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 06:57:52,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824897613] [2020-12-22 06:57:52,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:52,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085962132] [2020-12-22 06:57:52,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:52,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:52,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:52,658 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 6 states. [2020-12-22 06:57:52,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,849 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2020-12-22 06:57:52,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:52,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-22 06:57:52,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,851 INFO L225 Difference]: With dead ends: 95 [2020-12-22 06:57:52,851 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:57:52,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:52,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:57:52,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:57:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:57:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2020-12-22 06:57:52,859 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2020-12-22 06:57:52,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,859 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2020-12-22 06:57:52,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2020-12-22 06:57:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:57:52,861 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:52,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:52,861 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,862 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2020-12-22 06:57:52,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417520237] [2020-12-22 06:57:52,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:52,922 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 06:57:52,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417520237] [2020-12-22 06:57:52,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:52,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:52,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145965721] [2020-12-22 06:57:52,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:52,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:52,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:52,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:52,925 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2020-12-22 06:57:52,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:52,962 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2020-12-22 06:57:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:52,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2020-12-22 06:57:52,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:52,964 INFO L225 Difference]: With dead ends: 119 [2020-12-22 06:57:52,964 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:57:52,965 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 06:57:52,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:57:52,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-12-22 06:57:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:57:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-12-22 06:57:52,977 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2020-12-22 06:57:52,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:52,977 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-12-22 06:57:52,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-12-22 06:57:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:52,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:52,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:52,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:52,980 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:52,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:52,983 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2020-12-22 06:57:52,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:52,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925581282] [2020-12-22 06:57:52,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,136 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 06:57:53,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925581282] [2020-12-22 06:57:53,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:53,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614999695] [2020-12-22 06:57:53,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:57:53,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:57:53,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:57:53,142 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2020-12-22 06:57:53,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,256 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2020-12-22 06:57:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:57:53,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-12-22 06:57:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,262 INFO L225 Difference]: With dead ends: 263 [2020-12-22 06:57:53,262 INFO L226 Difference]: Without dead ends: 197 [2020-12-22 06:57:53,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:53,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-12-22 06:57:53,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2020-12-22 06:57:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:57:53,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2020-12-22 06:57:53,278 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2020-12-22 06:57:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,279 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2020-12-22 06:57:53,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:57:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2020-12-22 06:57:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:53,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:53,281 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,282 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2020-12-22 06:57:53,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134363813] [2020-12-22 06:57:53,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,370 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 06:57:53,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134363813] [2020-12-22 06:57:53,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:53,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435708162] [2020-12-22 06:57:53,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:53,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:53,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:53,375 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2020-12-22 06:57:53,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,466 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2020-12-22 06:57:53,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:53,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,469 INFO L225 Difference]: With dead ends: 202 [2020-12-22 06:57:53,469 INFO L226 Difference]: Without dead ends: 132 [2020-12-22 06:57:53,473 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 06:57:53,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-22 06:57:53,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2020-12-22 06:57:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-22 06:57:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2020-12-22 06:57:53,501 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2020-12-22 06:57:53,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,503 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2020-12-22 06:57:53,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2020-12-22 06:57:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:53,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:53,506 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2020-12-22 06:57:53,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062827278] [2020-12-22 06:57:53,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,589 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 06:57:53,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062827278] [2020-12-22 06:57:53,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:53,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174404876] [2020-12-22 06:57:53,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:53,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:53,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:53,594 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2020-12-22 06:57:53,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,725 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2020-12-22 06:57:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:53,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-22 06:57:53,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,727 INFO L225 Difference]: With dead ends: 282 [2020-12-22 06:57:53,728 INFO L226 Difference]: Without dead ends: 206 [2020-12-22 06:57:53,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:53,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-12-22 06:57:53,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2020-12-22 06:57:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-22 06:57:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2020-12-22 06:57:53,741 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2020-12-22 06:57:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,741 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2020-12-22 06:57:53,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:53,741 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2020-12-22 06:57:53,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:57:53,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,743 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:53,743 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,744 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2020-12-22 06:57:53,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160896216] [2020-12-22 06:57:53,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,802 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 06:57:53,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160896216] [2020-12-22 06:57:53,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:53,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816542830] [2020-12-22 06:57:53,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:53,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:53,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,805 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2020-12-22 06:57:53,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:53,840 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2020-12-22 06:57:53,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:53,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:57:53,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:53,842 INFO L225 Difference]: With dead ends: 185 [2020-12-22 06:57:53,842 INFO L226 Difference]: Without dead ends: 110 [2020-12-22 06:57:53,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:53,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-22 06:57:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-22 06:57:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-22 06:57:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2020-12-22 06:57:53,858 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2020-12-22 06:57:53,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:53,859 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2020-12-22 06:57:53,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:53,859 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2020-12-22 06:57:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-22 06:57:53,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:53,861 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:53,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:53,861 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:53,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:53,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2020-12-22 06:57:53,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:53,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743292911] [2020-12-22 06:57:53,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:53,968 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 06:57:53,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743292911] [2020-12-22 06:57:53,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:53,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:53,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84059626] [2020-12-22 06:57:53,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:53,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:53,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:53,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:53,971 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 7 states. [2020-12-22 06:57:54,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:54,324 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2020-12-22 06:57:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:54,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2020-12-22 06:57:54,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:54,327 INFO L225 Difference]: With dead ends: 524 [2020-12-22 06:57:54,328 INFO L226 Difference]: Without dead ends: 449 [2020-12-22 06:57:54,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:54,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-12-22 06:57:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2020-12-22 06:57:54,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-12-22 06:57:54,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2020-12-22 06:57:54,355 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2020-12-22 06:57:54,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:54,356 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2020-12-22 06:57:54,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2020-12-22 06:57:54,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:57:54,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:54,357 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:54,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:54,358 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:54,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:54,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2020-12-22 06:57:54,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:54,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883622200] [2020-12-22 06:57:54,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883622200] [2020-12-22 06:57:54,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682303636] [2020-12-22 06:57:54,449 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 06:57:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:54,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:54,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:54,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:54,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-12-22 06:57:54,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910227853] [2020-12-22 06:57:54,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-22 06:57:54,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:54,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-22 06:57:54,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:54,738 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand 10 states. [2020-12-22 06:57:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:55,113 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2020-12-22 06:57:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:55,114 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-12-22 06:57:55,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:55,115 INFO L225 Difference]: With dead ends: 434 [2020-12-22 06:57:55,115 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:55,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-12-22 06:57:55,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:55,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:55,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-22 06:57:55,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:55,118 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:55,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-22 06:57:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:55,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:55,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:55,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:55,448 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-22 06:57:56,114 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2020-12-22 06:57:56,237 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-22 06:57:56,747 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-12-22 06:57:56,903 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2020-12-22 06:57:57,244 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-12-22 06:57:57,448 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 28 [2020-12-22 06:57:57,550 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2020-12-22 06:57:57,550 INFO L192 CegarLoopUtils]: At program point L531(lines 512 534) the Hoare annotation is: true [2020-12-22 06:57:57,550 INFO L189 CegarLoopUtils]: For program point L268(lines 267 312) no Hoare annotation was computed. [2020-12-22 06:57:57,550 INFO L185 CegarLoopUtils]: At program point L566(lines 561 569) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:57,550 INFO L189 CegarLoopUtils]: For program point L269(lines 269 273) no Hoare annotation was computed. [2020-12-22 06:57:57,551 INFO L185 CegarLoopUtils]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:57,551 INFO L185 CegarLoopUtils]: At program point L71-1(lines 71 77) the Hoare annotation is: false [2020-12-22 06:57:57,551 INFO L185 CegarLoopUtils]: At program point L71-2(lines 71 77) the Hoare annotation is: false [2020-12-22 06:57:57,551 INFO L189 CegarLoopUtils]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-12-22 06:57:57,551 INFO L189 CegarLoopUtils]: For program point L303-2(lines 297 308) no Hoare annotation was computed. [2020-12-22 06:57:57,551 INFO L189 CegarLoopUtils]: For program point L964(lines 964 981) no Hoare annotation was computed. [2020-12-22 06:57:57,552 INFO L185 CegarLoopUtils]: At program point L964-1(lines 1 984) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5) (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 .cse2 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) .cse4 .cse5))) [2020-12-22 06:57:57,552 INFO L189 CegarLoopUtils]: For program point L964-2(lines 964 981) no Hoare annotation was computed. [2020-12-22 06:57:57,552 INFO L185 CegarLoopUtils]: At program point L964-3(lines 1 984) the Hoare annotation is: false [2020-12-22 06:57:57,552 INFO L189 CegarLoopUtils]: For program point L964-4(lines 964 981) no Hoare annotation was computed. [2020-12-22 06:57:57,552 INFO L185 CegarLoopUtils]: At program point L964-5(lines 1 984) the Hoare annotation is: false [2020-12-22 06:57:57,553 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2020-12-22 06:57:57,553 INFO L189 CegarLoopUtils]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-12-22 06:57:57,553 INFO L189 CegarLoopUtils]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-12-22 06:57:57,553 INFO L189 CegarLoopUtils]: For program point L406-2(lines 406 412) no Hoare annotation was computed. [2020-12-22 06:57:57,553 INFO L189 CegarLoopUtils]: For program point L406-3(lines 406 412) no Hoare annotation was computed. [2020-12-22 06:57:57,553 INFO L189 CegarLoopUtils]: For program point L406-4(lines 406 412) no Hoare annotation was computed. [2020-12-22 06:57:57,553 INFO L189 CegarLoopUtils]: For program point L406-5(lines 406 412) no Hoare annotation was computed. [2020-12-22 06:57:57,554 INFO L185 CegarLoopUtils]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 (= ~pumpRunning~0 0) .cse4 .cse5 .cse6))) [2020-12-22 06:57:57,554 INFO L185 CegarLoopUtils]: At program point L175-1(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-22 06:57:57,554 INFO L185 CegarLoopUtils]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2020-12-22 06:57:57,554 INFO L185 CegarLoopUtils]: At program point L175-3(lines 170 178) the Hoare annotation is: false [2020-12-22 06:57:57,554 INFO L185 CegarLoopUtils]: At program point L175-4(lines 170 178) the Hoare annotation is: false [2020-12-22 06:57:57,555 INFO L185 CegarLoopUtils]: At program point L175-5(lines 170 178) the Hoare annotation is: false [2020-12-22 06:57:57,555 INFO L189 CegarLoopUtils]: For program point L968(lines 968 978) no Hoare annotation was computed. [2020-12-22 06:57:57,555 INFO L189 CegarLoopUtils]: For program point L968-2(lines 968 978) no Hoare annotation was computed. [2020-12-22 06:57:57,555 INFO L189 CegarLoopUtils]: For program point L968-4(lines 968 978) no Hoare annotation was computed. [2020-12-22 06:57:57,555 INFO L189 CegarLoopUtils]: For program point L341(lines 341 345) no Hoare annotation was computed. [2020-12-22 06:57:57,555 INFO L189 CegarLoopUtils]: For program point L969(lines 969 975) no Hoare annotation was computed. [2020-12-22 06:57:57,555 INFO L189 CegarLoopUtils]: For program point L969-2(lines 969 975) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L969-4(lines 969 975) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L243-2(lines 243 247) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L243-3(lines 243 247) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L243-5(lines 243 247) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L243-6(lines 243 247) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L243-8(lines 243 247) no Hoare annotation was computed. [2020-12-22 06:57:57,556 INFO L189 CegarLoopUtils]: For program point L277(lines 277 283) no Hoare annotation was computed. [2020-12-22 06:57:57,557 INFO L185 CegarLoopUtils]: At program point L277-1(lines 277 283) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:57,557 INFO L185 CegarLoopUtils]: At program point L411(lines 402 415) the Hoare annotation is: false [2020-12-22 06:57:57,557 INFO L185 CegarLoopUtils]: At program point L411-1(lines 402 415) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:57,557 INFO L185 CegarLoopUtils]: At program point L411-2(lines 402 415) the Hoare annotation is: false [2020-12-22 06:57:57,557 INFO L185 CegarLoopUtils]: At program point L411-3(lines 402 415) the Hoare annotation is: false [2020-12-22 06:57:57,558 INFO L185 CegarLoopUtils]: At program point L411-4(lines 402 415) the Hoare annotation is: false [2020-12-22 06:57:57,558 INFO L185 CegarLoopUtils]: At program point L411-5(lines 402 415) the Hoare annotation is: false [2020-12-22 06:57:57,558 INFO L185 CegarLoopUtils]: At program point L313(lines 266 314) the Hoare annotation is: false [2020-12-22 06:57:57,558 INFO L185 CegarLoopUtils]: At program point L446-2(lines 446 460) the Hoare annotation is: false [2020-12-22 06:57:57,558 INFO L189 CegarLoopUtils]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-22 06:57:57,559 INFO L185 CegarLoopUtils]: At program point L249(lines 234 252) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:57,559 INFO L185 CegarLoopUtils]: At program point L249-1(lines 234 252) the Hoare annotation is: false [2020-12-22 06:57:57,559 INFO L185 CegarLoopUtils]: At program point L249-2(lines 234 252) the Hoare annotation is: false [2020-12-22 06:57:57,559 INFO L185 CegarLoopUtils]: At program point L943(lines 938 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:57,559 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:57,559 INFO L189 CegarLoopUtils]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-12-22 06:57:57,559 INFO L189 CegarLoopUtils]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2020-12-22 06:57:57,560 INFO L189 CegarLoopUtils]: For program point L353(lines 353 357) no Hoare annotation was computed. [2020-12-22 06:57:57,560 INFO L189 CegarLoopUtils]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-12-22 06:57:57,560 INFO L185 CegarLoopUtils]: At program point L287-1(lines 287 293) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:57,560 INFO L189 CegarLoopUtils]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-12-22 06:57:57,560 INFO L189 CegarLoopUtils]: For program point L122-1(lines 122 139) no Hoare annotation was computed. [2020-12-22 06:57:57,560 INFO L189 CegarLoopUtils]: For program point L122-2(lines 122 139) no Hoare annotation was computed. [2020-12-22 06:57:57,561 INFO L185 CegarLoopUtils]: At program point L421(lines 416 424) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:57,561 INFO L185 CegarLoopUtils]: At program point L421-1(lines 416 424) the Hoare annotation is: false [2020-12-22 06:57:57,561 INFO L185 CegarLoopUtils]: At program point L421-2(lines 416 424) the Hoare annotation is: false [2020-12-22 06:57:57,561 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:57,561 INFO L189 CegarLoopUtils]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,561 INFO L189 CegarLoopUtils]: For program point L224-2(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,561 INFO L189 CegarLoopUtils]: For program point L224-3(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-5(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-6(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-8(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-9(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-11(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-12(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-14(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,562 INFO L189 CegarLoopUtils]: For program point L224-15(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,563 INFO L189 CegarLoopUtils]: For program point L224-17(lines 224 228) no Hoare annotation was computed. [2020-12-22 06:57:57,563 INFO L189 CegarLoopUtils]: For program point L522(lines 522 529) no Hoare annotation was computed. [2020-12-22 06:57:57,563 INFO L192 CegarLoopUtils]: At program point L522-1(lines 522 529) the Hoare annotation is: true [2020-12-22 06:57:57,563 INFO L189 CegarLoopUtils]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-12-22 06:57:57,563 INFO L189 CegarLoopUtils]: For program point L126-1(lines 126 134) no Hoare annotation was computed. [2020-12-22 06:57:57,563 INFO L189 CegarLoopUtils]: For program point L126-2(lines 126 134) no Hoare annotation was computed. [2020-12-22 06:57:57,563 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:57,564 INFO L185 CegarLoopUtils]: At program point L953(lines 64 70) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:57,564 INFO L185 CegarLoopUtils]: At program point L953-1(lines 64 70) the Hoare annotation is: false [2020-12-22 06:57:57,564 INFO L185 CegarLoopUtils]: At program point L953-2(lines 64 70) the Hoare annotation is: false [2020-12-22 06:57:57,564 INFO L185 CegarLoopUtils]: At program point L558(lines 1 984) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:57,564 INFO L189 CegarLoopUtils]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-12-22 06:57:57,564 INFO L189 CegarLoopUtils]: For program point L96-1(lines 96 113) no Hoare annotation was computed. [2020-12-22 06:57:57,565 INFO L189 CegarLoopUtils]: For program point L96-2(lines 96 113) no Hoare annotation was computed. [2020-12-22 06:57:57,565 INFO L189 CegarLoopUtils]: For program point L96-3(lines 96 113) no Hoare annotation was computed. [2020-12-22 06:57:57,565 INFO L189 CegarLoopUtils]: For program point L96-4(lines 96 113) no Hoare annotation was computed. [2020-12-22 06:57:57,565 INFO L189 CegarLoopUtils]: For program point L96-5(lines 96 113) no Hoare annotation was computed. [2020-12-22 06:57:57,565 INFO L185 CegarLoopUtils]: At program point L64(lines 60 82) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3 .cse4))) [2020-12-22 06:57:57,565 INFO L185 CegarLoopUtils]: At program point L64-1(lines 60 82) the Hoare annotation is: false [2020-12-22 06:57:57,566 INFO L185 CegarLoopUtils]: At program point L64-2(lines 60 82) the Hoare annotation is: false [2020-12-22 06:57:57,566 INFO L185 CegarLoopUtils]: At program point L494(lines 490 496) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:57:57,566 INFO L189 CegarLoopUtils]: For program point L329(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:57,566 INFO L185 CegarLoopUtils]: At program point L230(lines 215 233) the Hoare annotation is: false [2020-12-22 06:57:57,566 INFO L189 CegarLoopUtils]: For program point L329-3(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:57,566 INFO L185 CegarLoopUtils]: At program point L230-1(lines 215 233) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse4 .cse5) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:57:57,567 INFO L185 CegarLoopUtils]: At program point L230-2(lines 215 233) the Hoare annotation is: false [2020-12-22 06:57:57,567 INFO L185 CegarLoopUtils]: At program point L230-3(lines 215 233) the Hoare annotation is: false [2020-12-22 06:57:57,567 INFO L189 CegarLoopUtils]: For program point L329-6(lines 329 333) no Hoare annotation was computed. [2020-12-22 06:57:57,567 INFO L185 CegarLoopUtils]: At program point L230-4(lines 215 233) the Hoare annotation is: false [2020-12-22 06:57:57,567 INFO L185 CegarLoopUtils]: At program point L230-5(lines 215 233) the Hoare annotation is: false [2020-12-22 06:57:57,567 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:57,567 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L297(lines 297 308) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L430(line 430) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L430-2(line 430) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L100-1(lines 100 108) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L100-2(lines 100 108) no Hoare annotation was computed. [2020-12-22 06:57:57,568 INFO L189 CegarLoopUtils]: For program point L100-3(lines 100 108) no Hoare annotation was computed. [2020-12-22 06:57:57,569 INFO L189 CegarLoopUtils]: For program point L100-4(lines 100 108) no Hoare annotation was computed. [2020-12-22 06:57:57,569 INFO L189 CegarLoopUtils]: For program point L100-5(lines 100 108) no Hoare annotation was computed. [2020-12-22 06:57:57,569 INFO L185 CegarLoopUtils]: At program point L398(lines 393 401) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse1 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 (= ~pumpRunning~0 0) .cse3 .cse4 .cse5))) [2020-12-22 06:57:57,569 INFO L185 CegarLoopUtils]: At program point L398-1(lines 393 401) the Hoare annotation is: false [2020-12-22 06:57:57,569 INFO L185 CegarLoopUtils]: At program point L398-2(lines 393 401) the Hoare annotation is: false [2020-12-22 06:57:57,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:57 BoogieIcfgContainer [2020-12-22 06:57:57,601 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:57,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:57,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:57,602 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:57,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:51" (3/4) ... [2020-12-22 06:57:57,606 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:57,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:57,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:57,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:57,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:57,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:57,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:57,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:57,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:57,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:57,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-12-22 06:57:57,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,669 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,672 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,673 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,676 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:57,680 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,680 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 [2020-12-22 06:57:57,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-12-22 06:57:57,807 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product49.cil.c-witness.graphml [2020-12-22 06:57:57,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:57,808 INFO L168 Benchmark]: Toolchain (without parser) took 8145.32 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 133.7 MB in the beginning and 129.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 75.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:57,808 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 159.4 MB. Free memory is still 133.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:57,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.68 ms. Allocated memory is still 159.4 MB. Free memory was 133.6 MB in the beginning and 111.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:57,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.03 ms. Allocated memory is still 159.4 MB. Free memory was 111.7 MB in the beginning and 140.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:57,809 INFO L168 Benchmark]: Boogie Preprocessor took 48.67 ms. Allocated memory is still 159.4 MB. Free memory was 140.9 MB in the beginning and 138.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:57,810 INFO L168 Benchmark]: RCFGBuilder took 1125.72 ms. Allocated memory is still 159.4 MB. Free memory was 138.3 MB in the beginning and 73.8 MB in the end (delta: 64.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:57,810 INFO L168 Benchmark]: TraceAbstraction took 5985.64 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 73.3 MB in the beginning and 140.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:57,811 INFO L168 Benchmark]: Witness Printer took 205.41 ms. Allocated memory is still 230.7 MB. Free memory was 140.7 MB in the beginning and 129.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:57,813 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 159.4 MB. Free memory is still 133.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 631.68 ms. Allocated memory is still 159.4 MB. Free memory was 133.6 MB in the beginning and 111.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 134.03 ms. Allocated memory is still 159.4 MB. Free memory was 111.7 MB in the beginning and 140.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 6.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.67 ms. Allocated memory is still 159.4 MB. Free memory was 140.9 MB in the beginning and 138.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1125.72 ms. Allocated memory is still 159.4 MB. Free memory was 138.3 MB in the beginning and 73.8 MB in the end (delta: 64.5 MB). Peak memory consumption was 65.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5985.64 ms. Allocated memory was 159.4 MB in the beginning and 230.7 MB in the end (delta: 71.3 MB). Free memory was 73.3 MB in the beginning and 140.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 69.4 MB. Max. memory is 8.0 GB. * Witness Printer took 205.41 ms. Allocated memory is still 230.7 MB. Free memory was 140.7 MB in the beginning and 129.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 430]: 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: 170]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= \result) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && \result <= 2) && tmp == systemActive) && 2 <= waterLevel) && 2 <= \result) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((tmp == systemActive && tmp == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && tmp == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || ((((((tmp == systemActive && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((((1 <= pumpRunning && 1 < tmp) && \result <= 2) && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp <= 2) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && tmp == systemActive) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && tmp == systemActive) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((tmp == systemActive && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1042 SDtfs, 1720 SDslu, 1532 SDs, 0 SdLazy, 276 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 554 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 141 NumberOfFragments, 798 HoareAnnotationTreeSize, 49 FomulaSimplifications, 94646 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 3219 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 32036 SizeOfPredicates, 3 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...