/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_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:57:38,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:57:38,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:57:38,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:57:38,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:57:38,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:57:38,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:57:38,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:57:38,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:57:38,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:57:38,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:57:38,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:57:38,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:57:38,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:57:38,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:57:38,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:57:38,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:57:38,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:57:38,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:57:38,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:57:38,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:57:38,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:57:38,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:57:38,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:57:38,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:57:38,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:57:38,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:57:38,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:57:38,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:57:38,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:57:38,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:57:38,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:57:38,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:57:38,920 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:57:38,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:57:38,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:57:38,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:57:38,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:57:38,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:57:38,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:57:38,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:57:38,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:57:38,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:57:38,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:57:38,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:57:38,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:57:38,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:38,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:57:38,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:57:38,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:57:38,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:57:38,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:57:38,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:57:38,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:57:38,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:57:39,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:57:39,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:57:39,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:57:39,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:57:39,322 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:57:39,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-12-22 06:57:39,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e3a68d0/d8019d5276cf48d9af32f762fca76c29/FLAG8767bb839 [2020-12-22 06:57:40,152 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:57:40,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2020-12-22 06:57:40,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e3a68d0/d8019d5276cf48d9af32f762fca76c29/FLAG8767bb839 [2020-12-22 06:57:40,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8e3a68d0/d8019d5276cf48d9af32f762fca76c29 [2020-12-22 06:57:40,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:57:40,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:57:40,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:40,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:57:40,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:57:40,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:40,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3452f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40, skipping insertion in model container [2020-12-22 06:57:40,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:40,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:57:40,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:57:40,814 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_product41.cil.c[17910,17923] [2020-12-22 06:57:40,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:40,835 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:57:40,916 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_product41.cil.c[17910,17923] [2020-12-22 06:57:40,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:57:40,951 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:57:40,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40 WrapperNode [2020-12-22 06:57:40,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:57:40,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:40,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:57:40,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:57:40,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:40,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:57:41,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:57:41,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:57:41,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:57:41,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... [2020-12-22 06:57:41,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:57:41,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:57:41,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:57:41,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:57:41,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:57:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:57:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:57:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:57:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:57:42,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:57:42,231 INFO L299 CfgBuilder]: Removed 128 assume(true) statements. [2020-12-22 06:57:42,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:42 BoogieIcfgContainer [2020-12-22 06:57:42,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:57:42,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:57:42,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:57:42,239 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:57:42,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:57:40" (1/3) ... [2020-12-22 06:57:42,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439f6e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:42, skipping insertion in model container [2020-12-22 06:57:42,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:57:40" (2/3) ... [2020-12-22 06:57:42,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@439f6e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:57:42, skipping insertion in model container [2020-12-22 06:57:42,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:42" (3/3) ... [2020-12-22 06:57:42,242 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2020-12-22 06:57:42,252 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:57:42,257 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:57:42,276 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:57:42,303 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:57:42,304 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:57:42,304 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:57:42,304 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:57:42,304 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:57:42,304 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:57:42,305 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:57:42,305 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:57:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-12-22 06:57:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:57:42,328 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:42,329 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 06:57:42,330 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:42,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2020-12-22 06:57:42,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:42,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881490900] [2020-12-22 06:57:42,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:42,627 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 06:57:42,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881490900] [2020-12-22 06:57:42,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:42,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:42,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039018458] [2020-12-22 06:57:42,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:57:42,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:42,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:57:42,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:57:42,652 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 2 states. [2020-12-22 06:57:42,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:42,686 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2020-12-22 06:57:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:57:42,687 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-12-22 06:57:42,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:42,699 INFO L225 Difference]: With dead ends: 185 [2020-12-22 06:57:42,699 INFO L226 Difference]: Without dead ends: 92 [2020-12-22 06:57:42,703 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 06:57:42,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-12-22 06:57:42,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-12-22 06:57:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-12-22 06:57:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2020-12-22 06:57:42,748 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2020-12-22 06:57:42,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:42,749 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-12-22 06:57:42,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:57:42,749 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2020-12-22 06:57:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 06:57:42,750 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:42,750 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 06:57:42,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:57:42,751 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:42,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:42,752 INFO L82 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2020-12-22 06:57:42,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:42,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605151738] [2020-12-22 06:57:42,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:42,877 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 06:57:42,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605151738] [2020-12-22 06:57:42,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:42,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:57:42,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081428678] [2020-12-22 06:57:42,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:42,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:42,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:42,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:42,883 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand 3 states. [2020-12-22 06:57:42,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:42,911 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2020-12-22 06:57:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:42,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 06:57:42,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:42,913 INFO L225 Difference]: With dead ends: 92 [2020-12-22 06:57:42,913 INFO L226 Difference]: Without dead ends: 41 [2020-12-22 06:57:42,915 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 06:57:42,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-22 06:57:42,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-22 06:57:42,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-22 06:57:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2020-12-22 06:57:42,921 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2020-12-22 06:57:42,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:42,921 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2020-12-22 06:57:42,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2020-12-22 06:57:42,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:57:42,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:42,923 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 06:57:42,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:57:42,923 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:42,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:42,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2020-12-22 06:57:42,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:42,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346025383] [2020-12-22 06:57:42,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:43,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346025383] [2020-12-22 06:57:43,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:43,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980966724] [2020-12-22 06:57:43,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:43,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:43,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:43,114 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand 3 states. [2020-12-22 06:57:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,123 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2020-12-22 06:57:43,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:43,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:57:43,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,125 INFO L225 Difference]: With dead ends: 75 [2020-12-22 06:57:43,125 INFO L226 Difference]: Without dead ends: 41 [2020-12-22 06:57:43,126 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 06:57:43,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-22 06:57:43,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-22 06:57:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-22 06:57:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2020-12-22 06:57:43,132 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2020-12-22 06:57:43,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,132 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2020-12-22 06:57:43,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2020-12-22 06:57:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:57:43,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:43,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:57:43,134 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2020-12-22 06:57:43,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442733963] [2020-12-22 06:57:43,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:43,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442733963] [2020-12-22 06:57:43,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:43,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845436444] [2020-12-22 06:57:43,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:43,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:43,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:43,244 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand 3 states. [2020-12-22 06:57:43,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,281 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2020-12-22 06:57:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:43,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-22 06:57:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,282 INFO L225 Difference]: With dead ends: 99 [2020-12-22 06:57:43,283 INFO L226 Difference]: Without dead ends: 65 [2020-12-22 06:57:43,285 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 06:57:43,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-12-22 06:57:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2020-12-22 06:57:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-12-22 06:57:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2020-12-22 06:57:43,302 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2020-12-22 06:57:43,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,306 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2020-12-22 06:57:43,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2020-12-22 06:57:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:57:43,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:43,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:57:43,309 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2020-12-22 06:57:43,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001218160] [2020-12-22 06:57:43,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:43,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001218160] [2020-12-22 06:57:43,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:57:43,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869271961] [2020-12-22 06:57:43,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:43,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:43,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:43,427 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand 5 states. [2020-12-22 06:57:43,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,525 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2020-12-22 06:57:43,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:57:43,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:57:43,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,528 INFO L225 Difference]: With dead ends: 216 [2020-12-22 06:57:43,528 INFO L226 Difference]: Without dead ends: 160 [2020-12-22 06:57:43,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:57:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-12-22 06:57:43,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2020-12-22 06:57:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-12-22 06:57:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2020-12-22 06:57:43,543 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2020-12-22 06:57:43,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,544 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2020-12-22 06:57:43,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-12-22 06:57:43,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:43,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:43,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:57:43,548 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2020-12-22 06:57:43,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464940469] [2020-12-22 06:57:43,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:43,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464940469] [2020-12-22 06:57:43,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:43,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644839281] [2020-12-22 06:57:43,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:43,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:43,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:43,654 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand 5 states. [2020-12-22 06:57:43,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,721 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2020-12-22 06:57:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:43,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:57:43,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,727 INFO L225 Difference]: With dead ends: 161 [2020-12-22 06:57:43,727 INFO L226 Difference]: Without dead ends: 106 [2020-12-22 06:57:43,730 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 06:57:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-22 06:57:43,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2020-12-22 06:57:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-12-22 06:57:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2020-12-22 06:57:43,742 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2020-12-22 06:57:43,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,742 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2020-12-22 06:57:43,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-12-22 06:57:43,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:43,744 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:43,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:57:43,744 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,745 INFO L82 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2020-12-22 06:57:43,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531784317] [2020-12-22 06:57:43,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:43,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531784317] [2020-12-22 06:57:43,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:57:43,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607676824] [2020-12-22 06:57:43,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:57:43,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:57:43,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:57:43,837 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand 5 states. [2020-12-22 06:57:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:43,893 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2020-12-22 06:57:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:57:43,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:57:43,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:43,895 INFO L225 Difference]: With dead ends: 170 [2020-12-22 06:57:43,896 INFO L226 Difference]: Without dead ends: 112 [2020-12-22 06:57:43,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:43,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-12-22 06:57:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2020-12-22 06:57:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-12-22 06:57:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2020-12-22 06:57:43,908 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2020-12-22 06:57:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:43,909 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2020-12-22 06:57:43,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:57:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2020-12-22 06:57:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:57:43,910 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:43,911 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:43,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:57:43,911 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:43,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:43,912 INFO L82 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2020-12-22 06:57:43,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:43,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205291720] [2020-12-22 06:57:43,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:43,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205291720] [2020-12-22 06:57:43,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:43,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:57:43,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497581930] [2020-12-22 06:57:43,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:57:43,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:43,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:57:43,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:43,991 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand 3 states. [2020-12-22 06:57:44,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,020 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2020-12-22 06:57:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:57:44,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:57:44,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,022 INFO L225 Difference]: With dead ends: 154 [2020-12-22 06:57:44,022 INFO L226 Difference]: Without dead ends: 94 [2020-12-22 06:57:44,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:57:44,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-22 06:57:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-12-22 06:57:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-12-22 06:57:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2020-12-22 06:57:44,059 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2020-12-22 06:57:44,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,062 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2020-12-22 06:57:44,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:57:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2020-12-22 06:57:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:57:44,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:44,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:57:44,064 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,065 INFO L82 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2020-12-22 06:57:44,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670933171] [2020-12-22 06:57:44,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:57:44,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670933171] [2020-12-22 06:57:44,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:57:44,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:57:44,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021077243] [2020-12-22 06:57:44,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:57:44,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:57:44,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:57:44,244 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand 7 states. [2020-12-22 06:57:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:44,517 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2020-12-22 06:57:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:57:44,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-12-22 06:57:44,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:44,520 INFO L225 Difference]: With dead ends: 432 [2020-12-22 06:57:44,521 INFO L226 Difference]: Without dead ends: 372 [2020-12-22 06:57:44,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-22 06:57:44,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-12-22 06:57:44,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2020-12-22 06:57:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-22 06:57:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2020-12-22 06:57:44,559 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2020-12-22 06:57:44,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:44,564 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2020-12-22 06:57:44,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:57:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2020-12-22 06:57:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-22 06:57:44,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:57:44,570 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:57:44,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:57:44,571 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:57:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:57:44,572 INFO L82 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2020-12-22 06:57:44,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:57:44,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972219989] [2020-12-22 06:57:44,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:57:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,692 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 06:57:44,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972219989] [2020-12-22 06:57:44,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514997254] [2020-12-22 06:57:44,693 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 06:57:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:57:44,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-22 06:57:44,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:57:44,976 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 06:57:44,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:57:44,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-22 06:57:44,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125754396] [2020-12-22 06:57:44,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:57:44,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:57:44,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:57:44,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:57:44,979 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand 8 states. [2020-12-22 06:57:45,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:57:45,139 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2020-12-22 06:57:45,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:57:45,140 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-12-22 06:57:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:57:45,141 INFO L225 Difference]: With dead ends: 288 [2020-12-22 06:57:45,141 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:57:45,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:57:45,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:57:45,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:57:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:57:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:57:45,143 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-12-22 06:57:45,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:57:45,143 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:57:45,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:57:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:57:45,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:57:45,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:57:45,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:57:45,780 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2020-12-22 06:57:45,954 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-12-22 06:57:46,074 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-22 06:57:46,260 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-22 06:57:46,528 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 24 [2020-12-22 06:57:46,644 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-22 06:57:46,880 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2020-12-22 06:57:46,961 INFO L185 CegarLoopUtils]: At program point L316(lines 316 322) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse5 .cse2))) [2020-12-22 06:57:46,961 INFO L189 CegarLoopUtils]: For program point L283(lines 283 290) no Hoare annotation was computed. [2020-12-22 06:57:46,962 INFO L185 CegarLoopUtils]: At program point L316-1(lines 316 322) the Hoare annotation is: false [2020-12-22 06:57:46,962 INFO L185 CegarLoopUtils]: At program point L316-2(lines 316 322) the Hoare annotation is: false [2020-12-22 06:57:46,962 INFO L192 CegarLoopUtils]: At program point L283-1(lines 283 290) the Hoare annotation is: true [2020-12-22 06:57:46,962 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2020-12-22 06:57:46,962 INFO L189 CegarLoopUtils]: For program point L118(lines 118 122) no Hoare annotation was computed. [2020-12-22 06:57:46,962 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,962 INFO L189 CegarLoopUtils]: For program point L483(lines 482 527) no Hoare annotation was computed. [2020-12-22 06:57:46,963 INFO L185 CegarLoopUtils]: At program point L467(lines 452 470) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2))) [2020-12-22 06:57:46,963 INFO L185 CegarLoopUtils]: At program point L467-1(lines 452 470) the Hoare annotation is: false [2020-12-22 06:57:46,963 INFO L185 CegarLoopUtils]: At program point L467-2(lines 452 470) the Hoare annotation is: false [2020-12-22 06:57:46,963 INFO L189 CegarLoopUtils]: For program point L484(lines 484 488) no Hoare annotation was computed. [2020-12-22 06:57:46,963 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:46,963 INFO L185 CegarLoopUtils]: At program point L72-1(lines 1 945) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse4 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse0 (= ~pumpRunning~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse4 .cse5 .cse1 .cse6 .cse7 .cse8 .cse9 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse9 .cse2) (and .cse4 .cse0 .cse1 .cse5 .cse6 .cse7 .cse8 .cse2 .cse3))) [2020-12-22 06:57:46,964 INFO L189 CegarLoopUtils]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-12-22 06:57:46,964 INFO L189 CegarLoopUtils]: For program point L72-2(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:46,964 INFO L185 CegarLoopUtils]: At program point L72-3(lines 1 945) the Hoare annotation is: false [2020-12-22 06:57:46,964 INFO L189 CegarLoopUtils]: For program point L518-2(lines 512 523) no Hoare annotation was computed. [2020-12-22 06:57:46,964 INFO L189 CegarLoopUtils]: For program point L72-4(lines 72 89) no Hoare annotation was computed. [2020-12-22 06:57:46,964 INFO L185 CegarLoopUtils]: At program point L72-5(lines 1 945) the Hoare annotation is: false [2020-12-22 06:57:46,965 INFO L185 CegarLoopUtils]: At program point L188(lines 179 192) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2020-12-22 06:57:46,965 INFO L185 CegarLoopUtils]: At program point L188-1(lines 179 192) the Hoare annotation is: false [2020-12-22 06:57:46,965 INFO L185 CegarLoopUtils]: At program point L188-2(lines 179 192) the Hoare annotation is: false [2020-12-22 06:57:46,965 INFO L189 CegarLoopUtils]: For program point L502(lines 502 508) no Hoare annotation was computed. [2020-12-22 06:57:46,965 INFO L185 CegarLoopUtils]: At program point L502-1(lines 502 508) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2020-12-22 06:57:46,966 INFO L185 CegarLoopUtils]: At program point L403(lines 396 406) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:46,966 INFO L185 CegarLoopUtils]: At program point L403-1(lines 396 406) the Hoare annotation is: false [2020-12-22 06:57:46,966 INFO L185 CegarLoopUtils]: At program point L403-2(lines 396 406) the Hoare annotation is: false [2020-12-22 06:57:46,966 INFO L189 CegarLoopUtils]: For program point L106(lines 106 110) no Hoare annotation was computed. [2020-12-22 06:57:46,966 INFO L189 CegarLoopUtils]: For program point L106-3(lines 106 110) no Hoare annotation was computed. [2020-12-22 06:57:46,966 INFO L189 CegarLoopUtils]: For program point L106-6(lines 106 110) no Hoare annotation was computed. [2020-12-22 06:57:46,967 INFO L185 CegarLoopUtils]: At program point L255(lines 251 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:46,967 INFO L185 CegarLoopUtils]: At program point L206-2(lines 206 220) the Hoare annotation is: false [2020-12-22 06:57:46,967 INFO L185 CegarLoopUtils]: At program point L933(lines 928 936) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:46,967 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,967 INFO L189 CegarLoopUtils]: For program point L207(line 207) no Hoare annotation was computed. [2020-12-22 06:57:46,967 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2020-12-22 06:57:46,968 INFO L185 CegarLoopUtils]: At program point L175(lines 170 178) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse5 .cse6) (and (= ~waterLevel~0 1) .cse1 .cse7 .cse5))) [2020-12-22 06:57:46,968 INFO L185 CegarLoopUtils]: At program point L175-1(lines 170 178) the Hoare annotation is: false [2020-12-22 06:57:46,968 INFO L185 CegarLoopUtils]: At program point L175-2(lines 170 178) the Hoare annotation is: false [2020-12-22 06:57:46,968 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:46,968 INFO L189 CegarLoopUtils]: For program point L76-2(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:46,968 INFO L189 CegarLoopUtils]: For program point L76-4(lines 76 86) no Hoare annotation was computed. [2020-12-22 06:57:46,968 INFO L189 CegarLoopUtils]: For program point L341(lines 341 358) no Hoare annotation was computed. [2020-12-22 06:57:46,969 INFO L189 CegarLoopUtils]: For program point L341-1(lines 341 358) no Hoare annotation was computed. [2020-12-22 06:57:46,969 INFO L189 CegarLoopUtils]: For program point L341-2(lines 341 358) no Hoare annotation was computed. [2020-12-22 06:57:46,969 INFO L185 CegarLoopUtils]: At program point L143(lines 138 146) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-12-22 06:57:46,969 INFO L185 CegarLoopUtils]: At program point L143-1(lines 138 146) the Hoare annotation is: false [2020-12-22 06:57:46,969 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:46,969 INFO L185 CegarLoopUtils]: At program point L143-2(lines 138 146) the Hoare annotation is: false [2020-12-22 06:57:46,969 INFO L189 CegarLoopUtils]: For program point L77-2(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:46,970 INFO L189 CegarLoopUtils]: For program point L77-4(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:57:46,970 INFO L192 CegarLoopUtils]: At program point L292(lines 273 295) the Hoare annotation is: true [2020-12-22 06:57:46,970 INFO L185 CegarLoopUtils]: At program point L61(lines 309 315) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse4 .cse1))) [2020-12-22 06:57:46,970 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,970 INFO L185 CegarLoopUtils]: At program point L61-1(lines 309 315) the Hoare annotation is: false [2020-12-22 06:57:46,971 INFO L185 CegarLoopUtils]: At program point L61-2(lines 309 315) the Hoare annotation is: false [2020-12-22 06:57:46,971 INFO L185 CegarLoopUtils]: At program point L309(lines 305 327) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse3 .cse1))) [2020-12-22 06:57:46,971 INFO L185 CegarLoopUtils]: At program point L309-1(lines 305 327) the Hoare annotation is: false [2020-12-22 06:57:46,971 INFO L185 CegarLoopUtils]: At program point L309-2(lines 305 327) the Hoare annotation is: false [2020-12-22 06:57:46,971 INFO L189 CegarLoopUtils]: For program point L210(lines 210 214) no Hoare annotation was computed. [2020-12-22 06:57:46,971 INFO L189 CegarLoopUtils]: For program point L210-1(lines 210 214) no Hoare annotation was computed. [2020-12-22 06:57:46,972 INFO L189 CegarLoopUtils]: For program point L492(lines 492 498) no Hoare annotation was computed. [2020-12-22 06:57:46,972 INFO L185 CegarLoopUtils]: At program point L492-1(lines 492 498) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse5 .cse3))) [2020-12-22 06:57:46,972 INFO L189 CegarLoopUtils]: For program point L130(lines 130 134) no Hoare annotation was computed. [2020-12-22 06:57:46,972 INFO L189 CegarLoopUtils]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-12-22 06:57:46,972 INFO L189 CegarLoopUtils]: For program point L345(lines 345 353) no Hoare annotation was computed. [2020-12-22 06:57:46,972 INFO L189 CegarLoopUtils]: For program point L345-1(lines 345 353) no Hoare annotation was computed. [2020-12-22 06:57:46,972 INFO L189 CegarLoopUtils]: For program point L378-2(lines 378 384) no Hoare annotation was computed. [2020-12-22 06:57:46,973 INFO L189 CegarLoopUtils]: For program point L345-2(lines 345 353) no Hoare annotation was computed. [2020-12-22 06:57:46,973 INFO L189 CegarLoopUtils]: For program point L378-4(lines 378 384) no Hoare annotation was computed. [2020-12-22 06:57:46,973 INFO L189 CegarLoopUtils]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-12-22 06:57:46,973 INFO L189 CegarLoopUtils]: For program point L461-2(lines 461 465) no Hoare annotation was computed. [2020-12-22 06:57:46,973 INFO L189 CegarLoopUtils]: For program point L461-3(lines 461 465) no Hoare annotation was computed. [2020-12-22 06:57:46,973 INFO L189 CegarLoopUtils]: For program point L461-5(lines 461 465) no Hoare annotation was computed. [2020-12-22 06:57:46,973 INFO L189 CegarLoopUtils]: For program point L461-6(lines 461 465) no Hoare annotation was computed. [2020-12-22 06:57:46,974 INFO L189 CegarLoopUtils]: For program point L461-8(lines 461 465) no Hoare annotation was computed. [2020-12-22 06:57:46,974 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:57:46,974 INFO L185 CegarLoopUtils]: At program point L412(lines 407 415) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse6 .cse5 .cse7 .cse2 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse6 .cse7 .cse2))) [2020-12-22 06:57:46,974 INFO L185 CegarLoopUtils]: At program point L412-1(lines 407 415) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) (<= ~waterLevel~0 2)) (and (= ~waterLevel~0 1) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1))) [2020-12-22 06:57:46,974 INFO L185 CegarLoopUtils]: At program point L412-2(lines 407 415) the Hoare annotation is: false [2020-12-22 06:57:46,974 INFO L185 CegarLoopUtils]: At program point L412-3(lines 407 415) the Hoare annotation is: false [2020-12-22 06:57:46,975 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2020-12-22 06:57:46,975 INFO L185 CegarLoopUtils]: At program point L412-4(lines 407 415) the Hoare annotation is: false [2020-12-22 06:57:46,975 INFO L185 CegarLoopUtils]: At program point L412-5(lines 407 415) the Hoare annotation is: false [2020-12-22 06:57:46,975 INFO L185 CegarLoopUtils]: At program point L528(lines 481 529) the Hoare annotation is: false [2020-12-22 06:57:46,975 INFO L189 CegarLoopUtils]: For program point L512(lines 512 523) no Hoare annotation was computed. [2020-12-22 06:57:46,975 INFO L185 CegarLoopUtils]: At program point L925(lines 1 945) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:46,976 INFO L189 CegarLoopUtils]: For program point L942(line 942) no Hoare annotation was computed. [2020-12-22 06:57:46,976 INFO L189 CegarLoopUtils]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-12-22 06:57:46,976 INFO L189 CegarLoopUtils]: For program point L942-2(line 942) no Hoare annotation was computed. [2020-12-22 06:57:46,976 INFO L189 CegarLoopUtils]: For program point L183(lines 183 189) no Hoare annotation was computed. [2020-12-22 06:57:46,976 INFO L189 CegarLoopUtils]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2020-12-22 06:57:46,976 INFO L189 CegarLoopUtils]: For program point L183-2(lines 183 189) no Hoare annotation was computed. [2020-12-22 06:57:46,976 INFO L185 CegarLoopUtils]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-22 06:57:47,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:57:47 BoogieIcfgContainer [2020-12-22 06:57:47,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:57:47,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:57:47,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:57:47,032 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:57:47,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:57:42" (3/4) ... [2020-12-22 06:57:47,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:57:47,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:57:47,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:57:47,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:57:47,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:57:47,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:57:47,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:47,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:57:47,110 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:47,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,115 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-12-22 06:57:47,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-12-22 06:57:47,228 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec5_product41.cil.c-witness.graphml [2020-12-22 06:57:47,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:57:47,230 INFO L168 Benchmark]: Toolchain (without parser) took 6805.40 ms. Allocated memory was 151.0 MB in the beginning and 216.0 MB in the end (delta: 65.0 MB). Free memory was 125.3 MB in the beginning and 158.1 MB in the end (delta: -32.8 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:47,230 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:57:47,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 104.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:47,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.22 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 100.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:47,231 INFO L168 Benchmark]: Boogie Preprocessor took 46.71 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 98.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:47,232 INFO L168 Benchmark]: RCFGBuilder took 1141.25 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 102.1 MB in the end (delta: -3.6 MB). Peak memory consumption was 34.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:47,232 INFO L168 Benchmark]: TraceAbstraction took 4795.93 ms. Allocated memory was 151.0 MB in the beginning and 216.0 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 167.2 MB in the end (delta: -65.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:47,233 INFO L168 Benchmark]: Witness Printer took 196.85 ms. Allocated memory is still 216.0 MB. Free memory was 166.7 MB in the beginning and 158.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:57:47,235 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 151.0 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 523.24 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 104.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 91.22 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 100.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.71 ms. Allocated memory is still 151.0 MB. Free memory was 100.9 MB in the beginning and 98.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1141.25 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 102.1 MB in the end (delta: -3.6 MB). Peak memory consumption was 34.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4795.93 ms. Allocated memory was 151.0 MB in the beginning and 216.0 MB in the end (delta: 65.0 MB). Free memory was 101.6 MB in the beginning and 167.2 MB in the end (delta: -65.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 8.0 GB. * Witness Printer took 196.85 ms. Allocated memory is still 216.0 MB. Free memory was 166.7 MB in the beginning and 158.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: 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: ((((((((pumpRunning == 1 && 1 == systemActive) && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((((1 == systemActive && \result <= 2) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && 1 == systemActive) && pumpRunning == 1) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((((((tmp <= 2 && \result <= 2) && 1 == systemActive) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((tmp <= 2 && pumpRunning == 1) && 1 == systemActive) && \result <= 2) && 1 < tmp) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || (((((1 == systemActive && pumpRunning == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((1 == systemActive && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 827 SDtfs, 981 SDslu, 1233 SDs, 0 SdLazy, 187 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 97 NumberOfFragments, 747 HoareAnnotationTreeSize, 43 FomulaSimplifications, 18944 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 884 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 29327 SizeOfPredicates, 3 NumberOfNonLiveVariables, 435 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...