/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:38,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:38,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:38,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:38,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:38,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:38,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:38,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:38,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:38,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:38,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:38,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:38,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:38,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:38,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:38,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:38,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:38,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:38,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:38,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:38,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:38,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:38,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:38,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:38,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:38,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:38,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:38,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:38,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:38,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:38,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:38,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:38,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:38,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:38,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:38,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:38,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:38,291 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:38,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:38,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:38,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:38,298 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:38,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:38,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:38,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:38,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:38,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:38,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:38,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:38,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:38,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:38,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:38,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:38,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:38,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:38,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:38,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:38,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:38,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:38,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:38,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:38,304 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:38,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:38,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:38,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:38,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:38,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:38,749 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:38,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-12-22 06:54:38,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6482c73f/65e6cf440fcf44698982820c0e3d5ede/FLAG7fe616829 [2020-12-22 06:54:39,710 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:39,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2020-12-22 06:54:39,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6482c73f/65e6cf440fcf44698982820c0e3d5ede/FLAG7fe616829 [2020-12-22 06:54:39,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6482c73f/65e6cf440fcf44698982820c0e3d5ede [2020-12-22 06:54:39,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:39,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:39,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:39,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:39,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:39,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:39" (1/1) ... [2020-12-22 06:54:39,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67947cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:39, skipping insertion in model container [2020-12-22 06:54:39,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:39" (1/1) ... [2020-12-22 06:54:39,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:40,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:40,439 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[16678,16691] [2020-12-22 06:54:40,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:40,468 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:40,545 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[16678,16691] [2020-12-22 06:54:40,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:40,606 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:40,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40 WrapperNode [2020-12-22 06:54:40,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:40,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:40,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:40,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:40,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:40,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:40,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:40,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:40,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (1/1) ... [2020-12-22 06:54:40,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:40,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:40,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:40,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:40,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (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 06:54:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:42,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:42,143 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2020-12-22 06:54:42,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:42 BoogieIcfgContainer [2020-12-22 06:54:42,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:42,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:42,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:42,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:42,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:39" (1/3) ... [2020-12-22 06:54:42,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23325f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:42, skipping insertion in model container [2020-12-22 06:54:42,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:40" (2/3) ... [2020-12-22 06:54:42,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23325f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:42, skipping insertion in model container [2020-12-22 06:54:42,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:42" (3/3) ... [2020-12-22 06:54:42,156 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-12-22 06:54:42,166 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:42,173 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:42,201 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:42,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:42,240 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:42,240 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:42,240 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:42,240 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:42,241 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:42,241 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:42,241 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-12-22 06:54:42,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:42,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,279 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,287 INFO L82 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2020-12-22 06:54:42,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570879104] [2020-12-22 06:54:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:42,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570879104] [2020-12-22 06:54:42,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:42,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:42,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407587965] [2020-12-22 06:54:42,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:42,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:42,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:42,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:42,736 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-12-22 06:54:42,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:42,825 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2020-12-22 06:54:42,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:42,828 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:42,850 INFO L225 Difference]: With dead ends: 227 [2020-12-22 06:54:42,850 INFO L226 Difference]: Without dead ends: 113 [2020-12-22 06:54:42,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:42,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-12-22 06:54:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-12-22 06:54:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-22 06:54:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2020-12-22 06:54:42,954 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2020-12-22 06:54:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:42,955 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2020-12-22 06:54:42,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2020-12-22 06:54:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:42,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:42,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:42,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:42,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:42,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:42,968 INFO L82 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2020-12-22 06:54:42,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:42,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716118525] [2020-12-22 06:54:42,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:43,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716118525] [2020-12-22 06:54:43,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:43,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:43,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859698855] [2020-12-22 06:54:43,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:43,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:43,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:43,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:43,192 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2020-12-22 06:54:43,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:43,206 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2020-12-22 06:54:43,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:43,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:43,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:43,208 INFO L225 Difference]: With dead ends: 113 [2020-12-22 06:54:43,209 INFO L226 Difference]: Without dead ends: 49 [2020-12-22 06:54:43,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:43,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-12-22 06:54:43,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-12-22 06:54:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-12-22 06:54:43,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-12-22 06:54:43,217 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-12-22 06:54:43,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:43,217 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-12-22 06:54:43,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-12-22 06:54:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:43,219 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:43,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:43,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:43,219 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:43,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:43,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2020-12-22 06:54:43,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:43,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030715532] [2020-12-22 06:54:43,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:43,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030715532] [2020-12-22 06:54:43,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:43,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:43,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700801474] [2020-12-22 06:54:43,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:43,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:43,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:43,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:43,376 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-12-22 06:54:43,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:43,469 INFO L93 Difference]: Finished difference Result 115 states and 171 transitions. [2020-12-22 06:54:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:43,469 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:43,471 INFO L225 Difference]: With dead ends: 115 [2020-12-22 06:54:43,471 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:54:43,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:43,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:54:43,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 69. [2020-12-22 06:54:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-22 06:54:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2020-12-22 06:54:43,483 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 24 [2020-12-22 06:54:43,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:43,483 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2020-12-22 06:54:43,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2020-12-22 06:54:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:43,484 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:43,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:43,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:43,485 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:43,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:43,486 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2020-12-22 06:54:43,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:43,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828749977] [2020-12-22 06:54:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:43,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828749977] [2020-12-22 06:54:43,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:43,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:43,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957551946] [2020-12-22 06:54:43,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:43,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:43,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:43,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:43,548 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand 3 states. [2020-12-22 06:54:43,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:43,593 INFO L93 Difference]: Finished difference Result 153 states and 229 transitions. [2020-12-22 06:54:43,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:43,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:43,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:43,597 INFO L225 Difference]: With dead ends: 153 [2020-12-22 06:54:43,597 INFO L226 Difference]: Without dead ends: 91 [2020-12-22 06:54:43,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:43,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-12-22 06:54:43,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2020-12-22 06:54:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-22 06:54:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2020-12-22 06:54:43,621 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 26 [2020-12-22 06:54:43,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:43,622 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2020-12-22 06:54:43,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2020-12-22 06:54:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:54:43,624 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:43,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:43,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:43,626 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:43,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:43,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2020-12-22 06:54:43,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:43,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986040715] [2020-12-22 06:54:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:43,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986040715] [2020-12-22 06:54:43,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:43,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:43,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987053889] [2020-12-22 06:54:43,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:43,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:43,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:43,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:43,768 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand 5 states. [2020-12-22 06:54:43,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:43,923 INFO L93 Difference]: Finished difference Result 420 states and 614 transitions. [2020-12-22 06:54:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:43,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-22 06:54:43,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:43,927 INFO L225 Difference]: With dead ends: 420 [2020-12-22 06:54:43,927 INFO L226 Difference]: Without dead ends: 338 [2020-12-22 06:54:43,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:43,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-12-22 06:54:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 160. [2020-12-22 06:54:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-12-22 06:54:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 227 transitions. [2020-12-22 06:54:43,953 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 227 transitions. Word has length 27 [2020-12-22 06:54:43,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:43,953 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 227 transitions. [2020-12-22 06:54:43,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 227 transitions. [2020-12-22 06:54:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:54:43,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:43,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:43,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:43,976 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:43,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:43,977 INFO L82 PathProgramCache]: Analyzing trace with hash -343972991, now seen corresponding path program 1 times [2020-12-22 06:54:43,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:43,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854285208] [2020-12-22 06:54:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:44,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:44,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854285208] [2020-12-22 06:54:44,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:44,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:44,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623900587] [2020-12-22 06:54:44,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:44,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:44,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:44,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:44,051 INFO L87 Difference]: Start difference. First operand 160 states and 227 transitions. Second operand 5 states. [2020-12-22 06:54:44,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:44,225 INFO L93 Difference]: Finished difference Result 589 states and 841 transitions. [2020-12-22 06:54:44,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:44,226 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-12-22 06:54:44,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:44,230 INFO L225 Difference]: With dead ends: 589 [2020-12-22 06:54:44,230 INFO L226 Difference]: Without dead ends: 436 [2020-12-22 06:54:44,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:44,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-12-22 06:54:44,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 158. [2020-12-22 06:54:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-12-22 06:54:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 221 transitions. [2020-12-22 06:54:44,259 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 221 transitions. Word has length 28 [2020-12-22 06:54:44,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:44,259 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 221 transitions. [2020-12-22 06:54:44,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2020-12-22 06:54:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:44,261 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:44,261 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:44,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:44,262 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:44,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:44,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1676975922, now seen corresponding path program 1 times [2020-12-22 06:54:44,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:44,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153294399] [2020-12-22 06:54:44,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:44,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153294399] [2020-12-22 06:54:44,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:44,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:44,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122554312] [2020-12-22 06:54:44,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:44,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:44,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:44,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:44,335 INFO L87 Difference]: Start difference. First operand 158 states and 221 transitions. Second operand 5 states. [2020-12-22 06:54:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:44,431 INFO L93 Difference]: Finished difference Result 471 states and 653 transitions. [2020-12-22 06:54:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:44,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:44,433 INFO L225 Difference]: With dead ends: 471 [2020-12-22 06:54:44,434 INFO L226 Difference]: Without dead ends: 320 [2020-12-22 06:54:44,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:44,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-12-22 06:54:44,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 170. [2020-12-22 06:54:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-12-22 06:54:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2020-12-22 06:54:44,455 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 33 [2020-12-22 06:54:44,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:44,455 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2020-12-22 06:54:44,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2020-12-22 06:54:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:44,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:44,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:44,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:44,458 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:44,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:44,459 INFO L82 PathProgramCache]: Analyzing trace with hash -975911344, now seen corresponding path program 1 times [2020-12-22 06:54:44,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:44,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975425580] [2020-12-22 06:54:44,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:44,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975425580] [2020-12-22 06:54:44,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:44,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:44,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699374624] [2020-12-22 06:54:44,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:54:44,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:44,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:54:44,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:54:44,511 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 4 states. [2020-12-22 06:54:44,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:44,573 INFO L93 Difference]: Finished difference Result 429 states and 585 transitions. [2020-12-22 06:54:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:54:44,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-12-22 06:54:44,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:44,576 INFO L225 Difference]: With dead ends: 429 [2020-12-22 06:54:44,576 INFO L226 Difference]: Without dead ends: 266 [2020-12-22 06:54:44,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:44,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-22 06:54:44,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 178. [2020-12-22 06:54:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-12-22 06:54:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 241 transitions. [2020-12-22 06:54:44,598 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 241 transitions. Word has length 33 [2020-12-22 06:54:44,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:44,599 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 241 transitions. [2020-12-22 06:54:44,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:54:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2020-12-22 06:54:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:44,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:44,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:44,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:44,601 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:44,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:44,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1562717358, now seen corresponding path program 1 times [2020-12-22 06:54:44,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:44,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238982531] [2020-12-22 06:54:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:44,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238982531] [2020-12-22 06:54:44,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:44,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:44,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855901870] [2020-12-22 06:54:44,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:44,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:44,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:44,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:44,679 INFO L87 Difference]: Start difference. First operand 178 states and 241 transitions. Second operand 3 states. [2020-12-22 06:54:44,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:44,737 INFO L93 Difference]: Finished difference Result 437 states and 591 transitions. [2020-12-22 06:54:44,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:44,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:54:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:44,741 INFO L225 Difference]: With dead ends: 437 [2020-12-22 06:54:44,742 INFO L226 Difference]: Without dead ends: 266 [2020-12-22 06:54:44,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:44,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-22 06:54:44,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-22 06:54:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-22 06:54:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 351 transitions. [2020-12-22 06:54:44,779 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 351 transitions. Word has length 33 [2020-12-22 06:54:44,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:44,782 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 351 transitions. [2020-12-22 06:54:44,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 351 transitions. [2020-12-22 06:54:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:54:44,784 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:44,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:44,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:44,786 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:44,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:44,787 INFO L82 PathProgramCache]: Analyzing trace with hash 331914770, now seen corresponding path program 1 times [2020-12-22 06:54:44,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:44,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068824197] [2020-12-22 06:54:44,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:44,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068824197] [2020-12-22 06:54:44,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:44,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:44,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59514551] [2020-12-22 06:54:44,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:44,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:44,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:44,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:44,878 INFO L87 Difference]: Start difference. First operand 266 states and 351 transitions. Second operand 3 states. [2020-12-22 06:54:44,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:44,938 INFO L93 Difference]: Finished difference Result 381 states and 504 transitions. [2020-12-22 06:54:44,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:44,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:54:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:44,944 INFO L225 Difference]: With dead ends: 381 [2020-12-22 06:54:44,945 INFO L226 Difference]: Without dead ends: 379 [2020-12-22 06:54:44,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-12-22 06:54:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 310. [2020-12-22 06:54:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-12-22 06:54:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions. [2020-12-22 06:54:44,980 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 34 [2020-12-22 06:54:44,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:44,980 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions. [2020-12-22 06:54:44,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions. [2020-12-22 06:54:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:54:44,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:44,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:44,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:44,982 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:44,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:44,983 INFO L82 PathProgramCache]: Analyzing trace with hash 351981025, now seen corresponding path program 1 times [2020-12-22 06:54:44,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:44,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993179772] [2020-12-22 06:54:44,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-22 06:54:45,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993179772] [2020-12-22 06:54:45,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:45,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:45,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121873370] [2020-12-22 06:54:45,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:45,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:45,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:45,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:45,090 INFO L87 Difference]: Start difference. First operand 310 states and 416 transitions. Second operand 6 states. [2020-12-22 06:54:45,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:45,436 INFO L93 Difference]: Finished difference Result 1038 states and 1406 transitions. [2020-12-22 06:54:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 06:54:45,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2020-12-22 06:54:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:45,441 INFO L225 Difference]: With dead ends: 1038 [2020-12-22 06:54:45,442 INFO L226 Difference]: Without dead ends: 735 [2020-12-22 06:54:45,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-22 06:54:45,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2020-12-22 06:54:45,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 287. [2020-12-22 06:54:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-12-22 06:54:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 377 transitions. [2020-12-22 06:54:45,484 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 377 transitions. Word has length 56 [2020-12-22 06:54:45,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:45,484 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 377 transitions. [2020-12-22 06:54:45,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 377 transitions. [2020-12-22 06:54:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:45,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:45,486 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:45,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:54:45,486 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:45,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:45,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2020-12-22 06:54:45,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:45,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067737081] [2020-12-22 06:54:45,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:45,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067737081] [2020-12-22 06:54:45,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:45,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:45,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630689013] [2020-12-22 06:54:45,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:45,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:45,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:45,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:45,555 INFO L87 Difference]: Start difference. First operand 287 states and 377 transitions. Second operand 5 states. [2020-12-22 06:54:45,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:45,711 INFO L93 Difference]: Finished difference Result 467 states and 624 transitions. [2020-12-22 06:54:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:45,712 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-22 06:54:45,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:45,714 INFO L225 Difference]: With dead ends: 467 [2020-12-22 06:54:45,714 INFO L226 Difference]: Without dead ends: 275 [2020-12-22 06:54:45,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-12-22 06:54:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2020-12-22 06:54:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-12-22 06:54:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 347 transitions. [2020-12-22 06:54:45,746 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 347 transitions. Word has length 58 [2020-12-22 06:54:45,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:45,747 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 347 transitions. [2020-12-22 06:54:45,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2020-12-22 06:54:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-22 06:54:45,748 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:45,748 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:45,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:54:45,749 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:45,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:45,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1158850466, now seen corresponding path program 1 times [2020-12-22 06:54:45,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:45,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104265636] [2020-12-22 06:54:45,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 06:54:45,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104265636] [2020-12-22 06:54:45,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:45,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:45,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323750384] [2020-12-22 06:54:45,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:45,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:45,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:45,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:45,804 INFO L87 Difference]: Start difference. First operand 271 states and 347 transitions. Second operand 3 states. [2020-12-22 06:54:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:45,944 INFO L93 Difference]: Finished difference Result 527 states and 674 transitions. [2020-12-22 06:54:45,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:45,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-22 06:54:45,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:45,945 INFO L225 Difference]: With dead ends: 527 [2020-12-22 06:54:45,945 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:45,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:45,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:45,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:45,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-12-22 06:54:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:45,957 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:45,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:45,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:45,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:54:45,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:46,155 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2020-12-22 06:54:46,493 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 141 [2020-12-22 06:54:46,631 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 104 [2020-12-22 06:54:47,002 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2020-12-22 06:54:47,307 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 140 [2020-12-22 06:54:47,555 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 146 [2020-12-22 06:54:47,724 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 118 [2020-12-22 06:54:48,128 WARN L197 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2020-12-22 06:54:48,259 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-22 06:54:48,930 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 27 [2020-12-22 06:54:49,346 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2020-12-22 06:54:49,554 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-12-22 06:54:49,830 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 28 [2020-12-22 06:54:49,959 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2020-12-22 06:54:50,431 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2020-12-22 06:54:51,020 WARN L197 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 23 [2020-12-22 06:54:51,224 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-12-22 06:54:51,823 WARN L197 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2020-12-22 06:54:52,449 WARN L197 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 33 [2020-12-22 06:54:52,898 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 32 [2020-12-22 06:54:52,903 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2020-12-22 06:54:52,903 INFO L185 CegarLoopUtils]: At program point L267(lines 266 285) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (not .cse9)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse3 .cse5) (and .cse8 .cse0 .cse1 (not .cse2) .cse7 .cse3 .cse5) (and .cse8 .cse0 .cse1 .cse9 .cse2 .cse3 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse5 .cse4)))) [2020-12-22 06:54:52,903 INFO L189 CegarLoopUtils]: For program point L267-1(lines 267 273) no Hoare annotation was computed. [2020-12-22 06:54:52,904 INFO L185 CegarLoopUtils]: At program point L267-2(lines 266 285) the Hoare annotation is: false [2020-12-22 06:54:52,904 INFO L185 CegarLoopUtils]: At program point L267-3(lines 266 285) the Hoare annotation is: false [2020-12-22 06:54:52,904 INFO L185 CegarLoopUtils]: At program point L895(lines 891 897) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:52,904 INFO L185 CegarLoopUtils]: At program point L433(lines 418 436) the Hoare annotation is: false [2020-12-22 06:54:52,904 INFO L185 CegarLoopUtils]: At program point L433-1(lines 418 436) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5))) [2020-12-22 06:54:52,905 INFO L185 CegarLoopUtils]: At program point L433-2(lines 418 436) the Hoare annotation is: false [2020-12-22 06:54:52,905 INFO L185 CegarLoopUtils]: At program point L433-3(lines 418 436) the Hoare annotation is: false [2020-12-22 06:54:52,905 INFO L185 CegarLoopUtils]: At program point L433-4(lines 418 436) the Hoare annotation is: false [2020-12-22 06:54:52,905 INFO L185 CegarLoopUtils]: At program point L433-5(lines 418 436) the Hoare annotation is: false [2020-12-22 06:54:52,905 INFO L189 CegarLoopUtils]: For program point L236(lines 236 242) no Hoare annotation was computed. [2020-12-22 06:54:52,905 INFO L185 CegarLoopUtils]: At program point L236-1(lines 267 273) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse6 (not .cse2)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse9)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse5) (and .cse1 .cse7 .cse9 .cse2 .cse3 .cse5) (and .cse10 .cse0 .cse1 .cse6 .cse8 .cse3 .cse5) (and .cse10 .cse0 .cse1 .cse9 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5)))) [2020-12-22 06:54:52,905 INFO L189 CegarLoopUtils]: For program point L831(line 831) no Hoare annotation was computed. [2020-12-22 06:54:52,906 INFO L189 CegarLoopUtils]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-12-22 06:54:52,906 INFO L189 CegarLoopUtils]: For program point L831-2(line 831) no Hoare annotation was computed. [2020-12-22 06:54:52,906 INFO L185 CegarLoopUtils]: At program point L369(lines 362 372) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse2 .cse3 .cse4))) [2020-12-22 06:54:52,906 INFO L185 CegarLoopUtils]: At program point L369-1(lines 362 372) the Hoare annotation is: false [2020-12-22 06:54:52,906 INFO L189 CegarLoopUtils]: For program point L303(lines 303 311) no Hoare annotation was computed. [2020-12-22 06:54:52,906 INFO L185 CegarLoopUtils]: At program point L369-2(lines 362 372) the Hoare annotation is: false [2020-12-22 06:54:52,906 INFO L189 CegarLoopUtils]: For program point L303-1(lines 303 311) no Hoare annotation was computed. [2020-12-22 06:54:52,907 INFO L189 CegarLoopUtils]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2020-12-22 06:54:52,907 INFO L189 CegarLoopUtils]: For program point L303-3(lines 303 311) no Hoare annotation was computed. [2020-12-22 06:54:52,907 INFO L189 CegarLoopUtils]: For program point L303-4(lines 303 311) no Hoare annotation was computed. [2020-12-22 06:54:52,907 INFO L189 CegarLoopUtils]: For program point L303-5(lines 303 311) no Hoare annotation was computed. [2020-12-22 06:54:52,907 INFO L192 CegarLoopUtils]: At program point L931(lines 912 934) the Hoare annotation is: true [2020-12-22 06:54:52,907 INFO L189 CegarLoopUtils]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-12-22 06:54:52,907 INFO L189 CegarLoopUtils]: For program point L173-1(lines 173 179) no Hoare annotation was computed. [2020-12-22 06:54:52,907 INFO L189 CegarLoopUtils]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2020-12-22 06:54:52,908 INFO L189 CegarLoopUtils]: For program point L173-3(lines 173 179) no Hoare annotation was computed. [2020-12-22 06:54:52,908 INFO L189 CegarLoopUtils]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2020-12-22 06:54:52,908 INFO L189 CegarLoopUtils]: For program point L173-5(lines 173 179) no Hoare annotation was computed. [2020-12-22 06:54:52,908 INFO L185 CegarLoopUtils]: At program point L966(lines 961 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:52,908 INFO L189 CegarLoopUtils]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-12-22 06:54:52,908 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2020-12-22 06:54:52,909 INFO L185 CegarLoopUtils]: At program point L274(lines 274 280) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse5 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4))) [2020-12-22 06:54:52,909 INFO L185 CegarLoopUtils]: At program point L274-1(lines 274 280) the Hoare annotation is: false [2020-12-22 06:54:52,909 INFO L189 CegarLoopUtils]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-12-22 06:54:52,909 INFO L185 CegarLoopUtils]: At program point L274-2(lines 274 280) the Hoare annotation is: false [2020-12-22 06:54:52,909 INFO L185 CegarLoopUtils]: At program point L208-1(lines 208 214) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2020-12-22 06:54:52,909 INFO L189 CegarLoopUtils]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-12-22 06:54:52,910 INFO L185 CegarLoopUtils]: At program point L441-1(lines 441 447) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-12-22 06:54:52,910 INFO L185 CegarLoopUtils]: At program point L178(lines 169 182) the Hoare annotation is: false [2020-12-22 06:54:52,910 INFO L185 CegarLoopUtils]: At program point L178-1(lines 169 182) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse5) (and .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:54:52,910 INFO L185 CegarLoopUtils]: At program point L178-2(lines 169 182) the Hoare annotation is: false [2020-12-22 06:54:52,910 INFO L185 CegarLoopUtils]: At program point L178-3(lines 169 182) the Hoare annotation is: false [2020-12-22 06:54:52,910 INFO L185 CegarLoopUtils]: At program point L178-4(lines 169 182) the Hoare annotation is: false [2020-12-22 06:54:52,911 INFO L185 CegarLoopUtils]: At program point L178-5(lines 169 182) the Hoare annotation is: false [2020-12-22 06:54:52,911 INFO L185 CegarLoopUtils]: At program point L378(lines 373 381) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (not .cse3) .cse2 (not (= 0 ~systemActive~0)) .cse4 (= ~methAndRunningLastTime~0 0) .cse5))) [2020-12-22 06:54:52,911 INFO L185 CegarLoopUtils]: At program point L378-1(lines 373 381) the Hoare annotation is: false [2020-12-22 06:54:52,911 INFO L185 CegarLoopUtils]: At program point L378-2(lines 373 381) the Hoare annotation is: false [2020-12-22 06:54:52,911 INFO L185 CegarLoopUtils]: At program point L248(lines 197 249) the Hoare annotation is: false [2020-12-22 06:54:52,911 INFO L185 CegarLoopUtils]: At program point L51(lines 46 53) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~8 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:52,912 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:52,912 INFO L189 CegarLoopUtils]: For program point L218(lines 218 224) no Hoare annotation was computed. [2020-12-22 06:54:52,912 INFO L185 CegarLoopUtils]: At program point L218-1(lines 218 224) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0))) (let ((.cse6 (not .cse2)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse8 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse3 .cse5) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 .cse1 .cse6 .cse8 .cse3 .cse5) (and .cse0 .cse1 .cse8 .cse3 .cse5 .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5)))) [2020-12-22 06:54:52,912 INFO L189 CegarLoopUtils]: For program point L120(lines 120 124) no Hoare annotation was computed. [2020-12-22 06:54:52,912 INFO L185 CegarLoopUtils]: At program point L847-2(lines 847 861) the Hoare annotation is: false [2020-12-22 06:54:52,912 INFO L189 CegarLoopUtils]: For program point L848(line 848) no Hoare annotation was computed. [2020-12-22 06:54:52,912 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:52,913 INFO L189 CegarLoopUtils]: For program point L851(lines 851 855) no Hoare annotation was computed. [2020-12-22 06:54:52,913 INFO L189 CegarLoopUtils]: For program point L851-1(lines 267 273) no Hoare annotation was computed. [2020-12-22 06:54:52,913 INFO L189 CegarLoopUtils]: For program point L325(lines 325 342) no Hoare annotation was computed. [2020-12-22 06:54:52,913 INFO L189 CegarLoopUtils]: For program point L325-1(lines 325 342) no Hoare annotation was computed. [2020-12-22 06:54:52,913 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 342) no Hoare annotation was computed. [2020-12-22 06:54:52,913 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:52,913 INFO L189 CegarLoopUtils]: For program point L62(lines 62 79) no Hoare annotation was computed. [2020-12-22 06:54:52,914 INFO L185 CegarLoopUtils]: At program point L62-1(lines 1 969) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse0 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse0 (not .cse3) .cse10 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse2 .cse4 .cse5 .cse6 .cse7))) [2020-12-22 06:54:52,914 INFO L189 CegarLoopUtils]: For program point L62-2(lines 62 79) no Hoare annotation was computed. [2020-12-22 06:54:52,914 INFO L185 CegarLoopUtils]: At program point L62-3(lines 1 969) the Hoare annotation is: false [2020-12-22 06:54:52,914 INFO L189 CegarLoopUtils]: For program point L62-4(lines 62 79) no Hoare annotation was computed. [2020-12-22 06:54:52,914 INFO L185 CegarLoopUtils]: At program point L62-5(lines 1 969) the Hoare annotation is: false [2020-12-22 06:54:52,914 INFO L189 CegarLoopUtils]: For program point L228(lines 228 243) no Hoare annotation was computed. [2020-12-22 06:54:52,914 INFO L189 CegarLoopUtils]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-12-22 06:54:52,914 INFO L189 CegarLoopUtils]: For program point L96-3(lines 96 100) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L922(lines 922 929) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L96-6(lines 96 100) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L192 CegarLoopUtils]: At program point L922-1(lines 922 929) the Hoare annotation is: true [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L427(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L427-2(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L427-3(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L427-5(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L427-6(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L427-8(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,915 INFO L189 CegarLoopUtils]: For program point L427-9(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L427-11(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L427-12(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L427-14(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L427-15(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L427-17(lines 427 431) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L329(lines 329 337) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L329-1(lines 329 337) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2020-12-22 06:54:52,916 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:52,917 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 831) no Hoare annotation was computed. [2020-12-22 06:54:52,917 INFO L189 CegarLoopUtils]: For program point L66(lines 66 76) no Hoare annotation was computed. [2020-12-22 06:54:52,917 INFO L189 CegarLoopUtils]: For program point L66-2(lines 66 76) no Hoare annotation was computed. [2020-12-22 06:54:52,917 INFO L185 CegarLoopUtils]: At program point L958(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:54:52,917 INFO L189 CegarLoopUtils]: For program point L66-4(lines 66 76) no Hoare annotation was computed. [2020-12-22 06:54:52,917 INFO L189 CegarLoopUtils]: For program point L199(lines 198 247) no Hoare annotation was computed. [2020-12-22 06:54:52,917 INFO L185 CegarLoopUtils]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4))) [2020-12-22 06:54:52,918 INFO L185 CegarLoopUtils]: At program point L133-1(lines 128 136) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~8 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse5) (and .cse6 .cse7 .cse0 .cse8 .cse4 .cse5))) [2020-12-22 06:54:52,918 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:54:52,918 INFO L185 CegarLoopUtils]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:52,918 INFO L185 CegarLoopUtils]: At program point L133-3(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:52,918 INFO L189 CegarLoopUtils]: For program point L67-2(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:54:52,918 INFO L185 CegarLoopUtils]: At program point L133-4(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:52,919 INFO L185 CegarLoopUtils]: At program point L133-5(lines 128 136) the Hoare annotation is: false [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L67-4(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L299(lines 299 316) no Hoare annotation was computed. [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L299-1(lines 299 316) no Hoare annotation was computed. [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L299-2(lines 299 316) no Hoare annotation was computed. [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L200(lines 200 204) no Hoare annotation was computed. [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L299-3(lines 299 316) no Hoare annotation was computed. [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L299-4(lines 299 316) no Hoare annotation was computed. [2020-12-22 06:54:52,919 INFO L189 CegarLoopUtils]: For program point L299-5(lines 299 316) no Hoare annotation was computed. [2020-12-22 06:54:52,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:52 BoogieIcfgContainer [2020-12-22 06:54:52,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:52,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:52,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:52,973 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:52,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:42" (3/4) ... [2020-12-22 06:54:52,978 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:53,005 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:53,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:53,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:53,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:53,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:53,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:53,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:53,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:53,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:53,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:54:53,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:53,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:53,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:53,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:53,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:54:53,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:53,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) [2020-12-22 06:54:53,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:53,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:53,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:53,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:53,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:54:53,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 1 && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:53,137 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product40.cil.c-witness.graphml [2020-12-22 06:54:53,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:53,139 INFO L168 Benchmark]: Toolchain (without parser) took 13196.48 ms. Allocated memory was 151.0 MB in the beginning and 293.6 MB in the end (delta: 142.6 MB). Free memory was 125.3 MB in the beginning and 194.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:53,139 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:53,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 104.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:53,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.57 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 132.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:53,141 INFO L168 Benchmark]: Boogie Preprocessor took 110.18 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 130.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:53,141 INFO L168 Benchmark]: RCFGBuilder took 1239.42 ms. Allocated memory is still 151.0 MB. Free memory was 130.0 MB in the beginning and 68.2 MB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:53,142 INFO L168 Benchmark]: TraceAbstraction took 10825.24 ms. Allocated memory was 151.0 MB in the beginning and 293.6 MB in the end (delta: 142.6 MB). Free memory was 67.7 MB in the beginning and 204.9 MB in the end (delta: -137.2 MB). Peak memory consumption was 111.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:53,142 INFO L168 Benchmark]: Witness Printer took 164.08 ms. Allocated memory is still 293.6 MB. Free memory was 204.9 MB in the beginning and 194.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:53,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 124.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 662.76 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 104.0 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 184.57 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 132.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 110.18 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 130.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1239.42 ms. Allocated memory is still 151.0 MB. Free memory was 130.0 MB in the beginning and 68.2 MB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10825.24 ms. Allocated memory was 151.0 MB in the beginning and 293.6 MB in the end (delta: 142.6 MB). Free memory was 67.7 MB in the beginning and 204.9 MB in the end (delta: -137.2 MB). Peak memory consumption was 111.3 MB. Max. memory is 8.0 GB. * Witness Printer took 164.08 ms. Allocated memory is still 293.6 MB. Free memory was 204.9 MB in the beginning and 194.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 831]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 831]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 831]: 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: 208]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && tmp == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((methaneLevelCritical == 1 && tmp___0 == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((\result == 1 && methaneLevelCritical == 1) && !(pumpRunning == 0)) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && methaneLevelCritical == 0) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 961]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && !(pumpRunning == 0)) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1)) || (((((methaneLevelCritical == 1 && tmp == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1253 SDtfs, 1599 SDslu, 1825 SDs, 0 SdLazy, 243 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1221 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 152 NumberOfFragments, 1216 HoareAnnotationTreeSize, 45 FomulaSimplifications, 375336 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 74138 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 30948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 65/65 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...