/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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:44,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:44,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:44,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:44,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:44,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:44,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:44,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:44,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:44,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:44,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:44,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:44,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:44,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:44,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:44,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:44,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:44,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:44,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:44,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:44,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:44,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:44,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:44,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:44,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:54:44,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:44,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:44,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:44,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:44,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:44,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:44,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:44,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:44,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:44,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:44,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:44,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:44,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:44,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:44,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:44,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:44,580 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:44,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:44,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:44,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:44,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:44,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:44,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:44,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:44,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:44,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:44,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:44,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:44,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:44,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:44,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:44,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:44,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:44,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:44,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:44,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:44,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:44,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:45,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:45,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:45,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:45,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:45,076 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:45,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-12-22 06:54:45,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06fed6982/f1ec2368fcf44e34967327b61fbf1cd5/FLAG50d885904 [2020-12-22 06:54:45,864 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:45,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2020-12-22 06:54:45,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06fed6982/f1ec2368fcf44e34967327b61fbf1cd5/FLAG50d885904 [2020-12-22 06:54:46,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06fed6982/f1ec2368fcf44e34967327b61fbf1cd5 [2020-12-22 06:54:46,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:46,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:46,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:46,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:46,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:46,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:46,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28068b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46, skipping insertion in model container [2020-12-22 06:54:46,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:46,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:46,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:46,620 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_product46.cil.c[16850,16863] [2020-12-22 06:54:46,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:46,643 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:46,733 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_product46.cil.c[16850,16863] [2020-12-22 06:54:46,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:46,800 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:46,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46 WrapperNode [2020-12-22 06:54:46,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:46,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:46,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:46,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:46,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:46,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:47,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:47,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:47,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:47,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (1/1) ... [2020-12-22 06:54:47,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:47,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:47,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:47,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:47,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (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 06:54:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:48,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:48,597 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2020-12-22 06:54:48,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:48 BoogieIcfgContainer [2020-12-22 06:54:48,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:48,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:48,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:48,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:48,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:46" (1/3) ... [2020-12-22 06:54:48,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908d0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:48, skipping insertion in model container [2020-12-22 06:54:48,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:46" (2/3) ... [2020-12-22 06:54:48,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908d0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:48, skipping insertion in model container [2020-12-22 06:54:48,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:48" (3/3) ... [2020-12-22 06:54:48,619 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2020-12-22 06:54:48,627 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:48,638 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:48,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:48,710 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:48,710 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:48,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:48,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:48,715 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:48,715 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:48,715 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:48,715 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-12-22 06:54:48,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:48,760 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:48,761 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 06:54:48,763 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:48,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:48,771 INFO L82 PathProgramCache]: Analyzing trace with hash 849715888, now seen corresponding path program 1 times [2020-12-22 06:54:48,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:48,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936070453] [2020-12-22 06:54:48,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,065 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 06:54:49,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936070453] [2020-12-22 06:54:49,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:49,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714366355] [2020-12-22 06:54:49,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:49,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:49,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:49,092 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2020-12-22 06:54:49,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,129 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2020-12-22 06:54:49,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:49,131 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:49,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,145 INFO L225 Difference]: With dead ends: 259 [2020-12-22 06:54:49,145 INFO L226 Difference]: Without dead ends: 129 [2020-12-22 06:54:49,153 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 06:54:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-12-22 06:54:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-12-22 06:54:49,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-12-22 06:54:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2020-12-22 06:54:49,242 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2020-12-22 06:54:49,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,246 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2020-12-22 06:54:49,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2020-12-22 06:54:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:49,248 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,248 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 06:54:49,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:49,248 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,249 INFO L82 PathProgramCache]: Analyzing trace with hash 2136736995, now seen corresponding path program 1 times [2020-12-22 06:54:49,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208465161] [2020-12-22 06:54:49,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,391 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 06:54:49,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208465161] [2020-12-22 06:54:49,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:49,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509820671] [2020-12-22 06:54:49,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:49,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:49,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:49,396 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2020-12-22 06:54:49,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,411 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2020-12-22 06:54:49,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:49,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:49,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,413 INFO L225 Difference]: With dead ends: 129 [2020-12-22 06:54:49,414 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:54:49,415 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 06:54:49,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:54:49,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:54:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:54:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2020-12-22 06:54:49,422 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2020-12-22 06:54:49,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,422 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2020-12-22 06:54:49,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2020-12-22 06:54:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:49,423 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,423 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 06:54:49,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:49,424 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2062368201, now seen corresponding path program 1 times [2020-12-22 06:54:49,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860579258] [2020-12-22 06:54:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,560 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 06:54:49,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860579258] [2020-12-22 06:54:49,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:49,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706295097] [2020-12-22 06:54:49,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:49,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:49,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:49,563 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 5 states. [2020-12-22 06:54:49,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,615 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2020-12-22 06:54:49,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:49,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-22 06:54:49,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,617 INFO L225 Difference]: With dead ends: 99 [2020-12-22 06:54:49,617 INFO L226 Difference]: Without dead ends: 53 [2020-12-22 06:54:49,618 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 06:54:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-22 06:54:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-22 06:54:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-22 06:54:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2020-12-22 06:54:49,625 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2020-12-22 06:54:49,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,626 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2020-12-22 06:54:49,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2020-12-22 06:54:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:49,627 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,627 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 06:54:49,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:49,628 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2079031545, now seen corresponding path program 1 times [2020-12-22 06:54:49,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238155115] [2020-12-22 06:54:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,741 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 06:54:49,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238155115] [2020-12-22 06:54:49,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:49,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469104965] [2020-12-22 06:54:49,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:49,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:49,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:49,744 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2020-12-22 06:54:49,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,797 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2020-12-22 06:54:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:49,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:49,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,799 INFO L225 Difference]: With dead ends: 121 [2020-12-22 06:54:49,799 INFO L226 Difference]: Without dead ends: 75 [2020-12-22 06:54:49,800 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 06:54:49,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-22 06:54:49,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2020-12-22 06:54:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:54:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2020-12-22 06:54:49,820 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2020-12-22 06:54:49,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,820 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2020-12-22 06:54:49,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-12-22 06:54:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:49,824 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,824 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] [2020-12-22 06:54:49,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:49,825 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,825 INFO L82 PathProgramCache]: Analyzing trace with hash -449932985, now seen corresponding path program 1 times [2020-12-22 06:54:49,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322073876] [2020-12-22 06:54:49,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:49,916 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 06:54:49,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322073876] [2020-12-22 06:54:49,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:49,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:49,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856501249] [2020-12-22 06:54:49,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:54:49,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:49,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:54:49,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:54:49,919 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 4 states. [2020-12-22 06:54:49,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:49,975 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2020-12-22 06:54:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:54:49,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-22 06:54:49,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:49,977 INFO L225 Difference]: With dead ends: 203 [2020-12-22 06:54:49,977 INFO L226 Difference]: Without dead ends: 137 [2020-12-22 06:54:49,978 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 06:54:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-12-22 06:54:49,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2020-12-22 06:54:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-22 06:54:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2020-12-22 06:54:49,992 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2020-12-22 06:54:49,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:49,993 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2020-12-22 06:54:49,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:54:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2020-12-22 06:54:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-22 06:54:49,994 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:49,994 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] [2020-12-22 06:54:49,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:49,995 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:49,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:49,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1150997563, now seen corresponding path program 1 times [2020-12-22 06:54:49,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:49,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538624748] [2020-12-22 06:54:49,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,184 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 06:54:50,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538624748] [2020-12-22 06:54:50,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:50,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263700820] [2020-12-22 06:54:50,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:50,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:50,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:50,188 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2020-12-22 06:54:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,378 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2020-12-22 06:54:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:50,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-22 06:54:50,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,387 INFO L225 Difference]: With dead ends: 364 [2020-12-22 06:54:50,387 INFO L226 Difference]: Without dead ends: 294 [2020-12-22 06:54:50,392 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 06:54:50,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-12-22 06:54:50,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2020-12-22 06:54:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-12-22 06:54:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2020-12-22 06:54:50,439 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2020-12-22 06:54:50,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:50,440 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2020-12-22 06:54:50,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2020-12-22 06:54:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:50,441 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:50,442 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 06:54:50,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:50,442 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:50,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:50,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1151154099, now seen corresponding path program 1 times [2020-12-22 06:54:50,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:50,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774114717] [2020-12-22 06:54:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,525 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 06:54:50,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774114717] [2020-12-22 06:54:50,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:50,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839825369] [2020-12-22 06:54:50,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:50,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:50,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:50,528 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2020-12-22 06:54:50,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,661 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2020-12-22 06:54:50,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:50,662 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:50,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,665 INFO L225 Difference]: With dead ends: 526 [2020-12-22 06:54:50,665 INFO L226 Difference]: Without dead ends: 394 [2020-12-22 06:54:50,666 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 06:54:50,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-12-22 06:54:50,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2020-12-22 06:54:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-12-22 06:54:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2020-12-22 06:54:50,689 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2020-12-22 06:54:50,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:50,690 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2020-12-22 06:54:50,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2020-12-22 06:54:50,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:54:50,691 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:50,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:50,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:50,692 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:50,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:50,693 INFO L82 PathProgramCache]: Analyzing trace with hash -59777108, now seen corresponding path program 1 times [2020-12-22 06:54:50,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:50,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441884875] [2020-12-22 06:54:50,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,759 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 06:54:50,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441884875] [2020-12-22 06:54:50,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:50,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796450837] [2020-12-22 06:54:50,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:50,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:50,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:50,763 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2020-12-22 06:54:50,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,843 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2020-12-22 06:54:50,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:50,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-12-22 06:54:50,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,846 INFO L225 Difference]: With dead ends: 355 [2020-12-22 06:54:50,846 INFO L226 Difference]: Without dead ends: 224 [2020-12-22 06:54:50,847 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 06:54:50,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-12-22 06:54:50,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2020-12-22 06:54:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-12-22 06:54:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2020-12-22 06:54:50,865 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2020-12-22 06:54:50,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:50,865 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2020-12-22 06:54:50,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:50,865 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2020-12-22 06:54:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-22 06:54:50,867 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:50,867 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:50,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:50,868 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:50,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:50,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2091962712, now seen corresponding path program 1 times [2020-12-22 06:54:50,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:50,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152729947] [2020-12-22 06:54:50,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:50,935 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 06:54:50,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152729947] [2020-12-22 06:54:50,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:50,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:50,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899233359] [2020-12-22 06:54:50,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:50,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:50,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:50,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:50,939 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2020-12-22 06:54:50,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:50,985 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2020-12-22 06:54:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:50,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-12-22 06:54:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:50,988 INFO L225 Difference]: With dead ends: 343 [2020-12-22 06:54:50,988 INFO L226 Difference]: Without dead ends: 200 [2020-12-22 06:54:50,989 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 06:54:50,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-12-22 06:54:51,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-12-22 06:54:51,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-12-22 06:54:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2020-12-22 06:54:51,017 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2020-12-22 06:54:51,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:51,019 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2020-12-22 06:54:51,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:51,019 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2020-12-22 06:54:51,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-22 06:54:51,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:51,027 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:51,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:51,028 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:51,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:51,029 INFO L82 PathProgramCache]: Analyzing trace with hash 728525800, now seen corresponding path program 1 times [2020-12-22 06:54:51,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:51,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166612468] [2020-12-22 06:54:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:51,175 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 06:54:51,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166612468] [2020-12-22 06:54:51,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:51,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:54:51,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957903471] [2020-12-22 06:54:51,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:54:51,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:51,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:54:51,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:51,181 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 8 states. [2020-12-22 06:54:51,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:51,711 INFO L93 Difference]: Finished difference Result 767 states and 997 transitions. [2020-12-22 06:54:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-22 06:54:51,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2020-12-22 06:54:51,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:51,715 INFO L225 Difference]: With dead ends: 767 [2020-12-22 06:54:51,715 INFO L226 Difference]: Without dead ends: 574 [2020-12-22 06:54:51,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2020-12-22 06:54:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-12-22 06:54:51,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 200. [2020-12-22 06:54:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-12-22 06:54:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2020-12-22 06:54:51,766 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2020-12-22 06:54:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:51,767 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2020-12-22 06:54:51,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:54:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2020-12-22 06:54:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 06:54:51,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:51,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:51,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:51,769 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:51,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:51,769 INFO L82 PathProgramCache]: Analyzing trace with hash 980113013, now seen corresponding path program 1 times [2020-12-22 06:54:51,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:51,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916175168] [2020-12-22 06:54:51,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:54:51,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916175168] [2020-12-22 06:54:51,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:51,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-22 06:54:51,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702512] [2020-12-22 06:54:51,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-22 06:54:51,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:51,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-22 06:54:51,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:51,927 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 8 states. [2020-12-22 06:54:52,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:52,364 INFO L93 Difference]: Finished difference Result 520 states and 670 transitions. [2020-12-22 06:54:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-22 06:54:52,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-12-22 06:54:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:52,365 INFO L225 Difference]: With dead ends: 520 [2020-12-22 06:54:52,365 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:52,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2020-12-22 06:54:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:52,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:52,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:52,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2020-12-22 06:54:52,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:52,368 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:52,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-22 06:54:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:52,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:52,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:54:52,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:52,591 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 53 [2020-12-22 06:54:52,908 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 103 [2020-12-22 06:54:53,118 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 110 [2020-12-22 06:54:53,298 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 108 [2020-12-22 06:54:53,459 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 104 [2020-12-22 06:54:53,736 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 107 [2020-12-22 06:54:53,924 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2020-12-22 06:54:54,095 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 14 [2020-12-22 06:54:54,521 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2020-12-22 06:54:54,701 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 13 [2020-12-22 06:54:54,981 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 12 [2020-12-22 06:54:55,443 WARN L197 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 23 [2020-12-22 06:54:55,677 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 13 [2020-12-22 06:54:55,791 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 24 [2020-12-22 06:54:55,978 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 23 [2020-12-22 06:54:56,354 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 16 [2020-12-22 06:54:56,640 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 29 [2020-12-22 06:54:56,750 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-12-22 06:54:56,751 INFO L189 CegarLoopUtils]: For program point L696(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:56,751 INFO L189 CegarLoopUtils]: For program point L696-1(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:56,751 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:56,751 INFO L189 CegarLoopUtils]: For program point L696-3(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:56,751 INFO L189 CegarLoopUtils]: For program point L696-4(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:56,751 INFO L189 CegarLoopUtils]: For program point L696-5(lines 696 704) no Hoare annotation was computed. [2020-12-22 06:54:56,752 INFO L185 CegarLoopUtils]: At program point L962(lines 913 963) the Hoare annotation is: false [2020-12-22 06:54:56,752 INFO L185 CegarLoopUtils]: At program point L667(lines 667 673) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3))) [2020-12-22 06:54:56,752 INFO L189 CegarLoopUtils]: For program point L634(lines 634 641) no Hoare annotation was computed. [2020-12-22 06:54:56,752 INFO L185 CegarLoopUtils]: At program point L667-1(lines 667 673) the Hoare annotation is: false [2020-12-22 06:54:56,752 INFO L185 CegarLoopUtils]: At program point L667-2(lines 667 673) the Hoare annotation is: false [2020-12-22 06:54:56,753 INFO L192 CegarLoopUtils]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2020-12-22 06:54:56,753 INFO L189 CegarLoopUtils]: For program point L536(lines 536 542) no Hoare annotation was computed. [2020-12-22 06:54:56,753 INFO L189 CegarLoopUtils]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2020-12-22 06:54:56,753 INFO L189 CegarLoopUtils]: For program point L536-2(lines 536 542) no Hoare annotation was computed. [2020-12-22 06:54:56,753 INFO L189 CegarLoopUtils]: For program point L536-3(lines 536 542) no Hoare annotation was computed. [2020-12-22 06:54:56,753 INFO L189 CegarLoopUtils]: For program point L536-4(lines 536 542) no Hoare annotation was computed. [2020-12-22 06:54:56,753 INFO L189 CegarLoopUtils]: For program point L536-5(lines 536 542) no Hoare annotation was computed. [2020-12-22 06:54:56,754 INFO L189 CegarLoopUtils]: For program point L471(lines 471 475) no Hoare annotation was computed. [2020-12-22 06:54:56,754 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,754 INFO L189 CegarLoopUtils]: For program point L934(lines 934 940) no Hoare annotation was computed. [2020-12-22 06:54:56,754 INFO L185 CegarLoopUtils]: At program point L934-1(lines 934 940) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,754 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-12-22 06:54:56,755 INFO L189 CegarLoopUtils]: For program point L837(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,755 INFO L189 CegarLoopUtils]: For program point L837-2(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,755 INFO L189 CegarLoopUtils]: For program point L837-3(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,755 INFO L189 CegarLoopUtils]: For program point L837-5(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,755 INFO L189 CegarLoopUtils]: For program point L837-6(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,755 INFO L189 CegarLoopUtils]: For program point L837-8(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,755 INFO L189 CegarLoopUtils]: For program point L837-9(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,756 INFO L189 CegarLoopUtils]: For program point L837-11(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,756 INFO L189 CegarLoopUtils]: For program point L837-12(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,756 INFO L189 CegarLoopUtils]: For program point L837-14(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,756 INFO L189 CegarLoopUtils]: For program point L837-15(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,756 INFO L189 CegarLoopUtils]: For program point L837-17(lines 837 841) no Hoare annotation was computed. [2020-12-22 06:54:56,756 INFO L185 CegarLoopUtils]: At program point L871(lines 866 873) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,757 INFO L185 CegarLoopUtils]: At program point L541(lines 532 545) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,757 INFO L185 CegarLoopUtils]: At program point L541-1(lines 532 545) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,757 INFO L185 CegarLoopUtils]: At program point L541-2(lines 532 545) the Hoare annotation is: false [2020-12-22 06:54:56,757 INFO L185 CegarLoopUtils]: At program point L541-3(lines 532 545) the Hoare annotation is: false [2020-12-22 06:54:56,757 INFO L185 CegarLoopUtils]: At program point L541-4(lines 532 545) the Hoare annotation is: false [2020-12-22 06:54:56,757 INFO L185 CegarLoopUtils]: At program point L541-5(lines 532 545) the Hoare annotation is: false [2020-12-22 06:54:56,758 INFO L185 CegarLoopUtils]: At program point L608(lines 604 610) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,758 INFO L192 CegarLoopUtils]: At program point L643(lines 624 646) the Hoare annotation is: true [2020-12-22 06:54:56,758 INFO L185 CegarLoopUtils]: At program point L843(lines 828 846) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,758 INFO L185 CegarLoopUtils]: At program point L843-1(lines 828 846) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,758 INFO L185 CegarLoopUtils]: At program point L843-2(lines 828 846) the Hoare annotation is: false [2020-12-22 06:54:56,758 INFO L185 CegarLoopUtils]: At program point L843-3(lines 828 846) the Hoare annotation is: false [2020-12-22 06:54:56,759 INFO L185 CegarLoopUtils]: At program point L843-4(lines 828 846) the Hoare annotation is: false [2020-12-22 06:54:56,759 INFO L185 CegarLoopUtils]: At program point L843-5(lines 828 846) the Hoare annotation is: false [2020-12-22 06:54:56,759 INFO L189 CegarLoopUtils]: For program point L944(lines 944 957) no Hoare annotation was computed. [2020-12-22 06:54:56,759 INFO L185 CegarLoopUtils]: At program point L779(lines 772 782) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse5))) [2020-12-22 06:54:56,759 INFO L185 CegarLoopUtils]: At program point L779-1(lines 772 782) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,760 INFO L185 CegarLoopUtils]: At program point L779-2(lines 772 782) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) .cse6))) [2020-12-22 06:54:56,760 INFO L185 CegarLoopUtils]: At program point L779-3(lines 772 782) the Hoare annotation is: false [2020-12-22 06:54:56,760 INFO L185 CegarLoopUtils]: At program point L779-4(lines 772 782) the Hoare annotation is: false [2020-12-22 06:54:56,760 INFO L185 CegarLoopUtils]: At program point L779-5(lines 772 782) the Hoare annotation is: false [2020-12-22 06:54:56,760 INFO L185 CegarLoopUtils]: At program point L779-6(lines 772 782) the Hoare annotation is: false [2020-12-22 06:54:56,760 INFO L185 CegarLoopUtils]: At program point L779-7(lines 772 782) the Hoare annotation is: false [2020-12-22 06:54:56,760 INFO L185 CegarLoopUtils]: At program point L779-8(lines 772 782) the Hoare annotation is: false [2020-12-22 06:54:56,761 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:54:56,761 INFO L189 CegarLoopUtils]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-12-22 06:54:56,761 INFO L189 CegarLoopUtils]: For program point L915(lines 914 961) no Hoare annotation was computed. [2020-12-22 06:54:56,761 INFO L189 CegarLoopUtils]: For program point L882(lines 882 899) no Hoare annotation was computed. [2020-12-22 06:54:56,761 INFO L185 CegarLoopUtils]: At program point L882-1(lines 1 969) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse2 (not .cse3) .cse6 .cse4 .cse5))) [2020-12-22 06:54:56,761 INFO L189 CegarLoopUtils]: For program point L882-2(lines 882 899) no Hoare annotation was computed. [2020-12-22 06:54:56,762 INFO L185 CegarLoopUtils]: At program point L882-3(lines 1 969) the Hoare annotation is: false [2020-12-22 06:54:56,762 INFO L189 CegarLoopUtils]: For program point L882-4(lines 882 899) no Hoare annotation was computed. [2020-12-22 06:54:56,762 INFO L185 CegarLoopUtils]: At program point L882-5(lines 1 969) the Hoare annotation is: false [2020-12-22 06:54:56,762 INFO L189 CegarLoopUtils]: For program point L916(lines 916 920) no Hoare annotation was computed. [2020-12-22 06:54:56,762 INFO L189 CegarLoopUtils]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-12-22 06:54:56,762 INFO L189 CegarLoopUtils]: For program point L718-1(lines 718 735) no Hoare annotation was computed. [2020-12-22 06:54:56,762 INFO L189 CegarLoopUtils]: For program point L718-2(lines 718 735) no Hoare annotation was computed. [2020-12-22 06:54:56,762 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:54:56,763 INFO L189 CegarLoopUtils]: For program point L952(lines 952 956) no Hoare annotation was computed. [2020-12-22 06:54:56,763 INFO L185 CegarLoopUtils]: At program point L952-2(lines 660 666) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,763 INFO L189 CegarLoopUtils]: For program point L886(lines 886 896) no Hoare annotation was computed. [2020-12-22 06:54:56,763 INFO L189 CegarLoopUtils]: For program point L886-2(lines 886 896) no Hoare annotation was computed. [2020-12-22 06:54:56,763 INFO L189 CegarLoopUtils]: For program point L754(lines 754 760) no Hoare annotation was computed. [2020-12-22 06:54:56,763 INFO L189 CegarLoopUtils]: For program point L886-4(lines 886 896) no Hoare annotation was computed. [2020-12-22 06:54:56,763 INFO L189 CegarLoopUtils]: For program point L754-2(lines 754 760) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L189 CegarLoopUtils]: For program point L754-4(lines 754 760) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L189 CegarLoopUtils]: For program point L754-6(lines 754 760) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L189 CegarLoopUtils]: For program point L754-8(lines 754 760) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L189 CegarLoopUtils]: For program point L754-10(lines 754 760) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L189 CegarLoopUtils]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L189 CegarLoopUtils]: For program point L887-2(lines 887 893) no Hoare annotation was computed. [2020-12-22 06:54:56,764 INFO L185 CegarLoopUtils]: At program point L788(lines 783 791) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= ~methaneLevelCritical~0 0)) (not (= 0 ~systemActive~0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,765 INFO L185 CegarLoopUtils]: At program point L788-1(lines 783 791) the Hoare annotation is: false [2020-12-22 06:54:56,765 INFO L189 CegarLoopUtils]: For program point L887-4(lines 887 893) no Hoare annotation was computed. [2020-12-22 06:54:56,765 INFO L189 CegarLoopUtils]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-12-22 06:54:56,765 INFO L185 CegarLoopUtils]: At program point L788-2(lines 783 791) the Hoare annotation is: false [2020-12-22 06:54:56,765 INFO L189 CegarLoopUtils]: For program point L722-1(lines 722 730) no Hoare annotation was computed. [2020-12-22 06:54:56,765 INFO L189 CegarLoopUtils]: For program point L722-2(lines 722 730) no Hoare annotation was computed. [2020-12-22 06:54:56,765 INFO L189 CegarLoopUtils]: For program point L459(lines 459 463) no Hoare annotation was computed. [2020-12-22 06:54:56,766 INFO L189 CegarLoopUtils]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2020-12-22 06:54:56,766 INFO L189 CegarLoopUtils]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2020-12-22 06:54:56,766 INFO L185 CegarLoopUtils]: At program point L559-2(lines 559 573) the Hoare annotation is: false [2020-12-22 06:54:56,766 INFO L189 CegarLoopUtils]: For program point L692(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:56,766 INFO L189 CegarLoopUtils]: For program point L692-1(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:56,766 INFO L189 CegarLoopUtils]: For program point L692-2(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:56,766 INFO L189 CegarLoopUtils]: For program point L692-3(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:56,766 INFO L189 CegarLoopUtils]: For program point L560(line 560) no Hoare annotation was computed. [2020-12-22 06:54:56,767 INFO L189 CegarLoopUtils]: For program point L692-4(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:56,767 INFO L189 CegarLoopUtils]: For program point L692-5(lines 692 709) no Hoare annotation was computed. [2020-12-22 06:54:56,767 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:54:56,767 INFO L189 CegarLoopUtils]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-12-22 06:54:56,767 INFO L185 CegarLoopUtils]: At program point L924-1(lines 924 930) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse2 (not .cse3) .cse6 .cse4 .cse5))) [2020-12-22 06:54:56,767 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2020-12-22 06:54:56,768 INFO L185 CegarLoopUtils]: At program point L660(lines 659 678) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,768 INFO L189 CegarLoopUtils]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2020-12-22 06:54:56,768 INFO L185 CegarLoopUtils]: At program point L660-2(lines 659 678) the Hoare annotation is: false [2020-12-22 06:54:56,768 INFO L185 CegarLoopUtils]: At program point L660-3(lines 659 678) the Hoare annotation is: false [2020-12-22 06:54:56,768 INFO L185 CegarLoopUtils]: At program point L496(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5))) [2020-12-22 06:54:56,769 INFO L185 CegarLoopUtils]: At program point L496-1(lines 491 499) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:54:56,769 INFO L185 CegarLoopUtils]: At program point L496-2(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse1) .cse2 (not .cse3) .cse4 .cse5 .cse6))) [2020-12-22 06:54:56,769 INFO L185 CegarLoopUtils]: At program point L496-3(lines 491 499) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~3 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (not .cse1) (not .cse2) .cse3 (= ~pumpRunning~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5))) [2020-12-22 06:54:56,769 INFO L185 CegarLoopUtils]: At program point L496-4(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,769 INFO L185 CegarLoopUtils]: At program point L496-5(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,769 INFO L185 CegarLoopUtils]: At program point L496-6(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,770 INFO L185 CegarLoopUtils]: At program point L496-7(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,770 INFO L185 CegarLoopUtils]: At program point L496-8(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,770 INFO L185 CegarLoopUtils]: At program point L496-9(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,770 INFO L185 CegarLoopUtils]: At program point L496-10(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,770 INFO L185 CegarLoopUtils]: At program point L496-11(lines 491 499) the Hoare annotation is: false [2020-12-22 06:54:56,770 INFO L185 CegarLoopUtils]: At program point L67(lines 1 969) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-22 06:54:56,770 INFO L189 CegarLoopUtils]: For program point L860(line 860) no Hoare annotation was computed. [2020-12-22 06:54:56,770 INFO L189 CegarLoopUtils]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-12-22 06:54:56,771 INFO L189 CegarLoopUtils]: For program point L860-2(line 860) no Hoare annotation was computed. [2020-12-22 06:54:56,771 INFO L189 CegarLoopUtils]: For program point L563(lines 563 567) no Hoare annotation was computed. [2020-12-22 06:54:56,771 INFO L189 CegarLoopUtils]: For program point L563-1(lines 660 666) no Hoare annotation was computed. [2020-12-22 06:54:56,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:54:56 BoogieIcfgContainer [2020-12-22 06:54:56,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:54:56,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:54:56,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:54:56,819 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:54:56,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:48" (3/4) ... [2020-12-22 06:54:56,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:54:56,861 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:54:56,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:54:56,864 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:54:56,865 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:54:56,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:54:56,868 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:56,869 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:54:56,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:54:56,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:54:56,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-22 06:54:56,901 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:56,903 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:56,904 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,907 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:56,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:56,910 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:56,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-12-22 06:54:56,915 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:54:56,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) [2020-12-22 06:54:56,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:56,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-12-22 06:54:57,050 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product46.cil.c-witness.graphml [2020-12-22 06:54:57,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:54:57,052 INFO L168 Benchmark]: Toolchain (without parser) took 10911.09 ms. Allocated memory was 152.0 MB in the beginning and 272.6 MB in the end (delta: 120.6 MB). Free memory was 126.7 MB in the beginning and 143.9 MB in the end (delta: -17.2 MB). Peak memory consumption was 104.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,053 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:54:57,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.49 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 104.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,054 INFO L168 Benchmark]: Boogie Procedure Inliner took 200.37 ms. Allocated memory is still 152.0 MB. Free memory was 104.4 MB in the beginning and 133.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,054 INFO L168 Benchmark]: Boogie Preprocessor took 62.80 ms. Allocated memory is still 152.0 MB. Free memory was 133.2 MB in the beginning and 130.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,054 INFO L168 Benchmark]: RCFGBuilder took 1529.92 ms. Allocated memory is still 152.0 MB. Free memory was 130.6 MB in the beginning and 62.4 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,055 INFO L168 Benchmark]: TraceAbstraction took 8209.90 ms. Allocated memory was 152.0 MB in the beginning and 272.6 MB in the end (delta: 120.6 MB). Free memory was 62.4 MB in the beginning and 156.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 64.2 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,055 INFO L168 Benchmark]: Witness Printer took 233.51 ms. Allocated memory is still 272.6 MB. Free memory was 156.0 MB in the beginning and 143.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:54:57,058 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 152.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 659.49 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 104.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 200.37 ms. Allocated memory is still 152.0 MB. Free memory was 104.4 MB in the beginning and 133.2 MB in the end (delta: -28.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 62.80 ms. Allocated memory is still 152.0 MB. Free memory was 133.2 MB in the beginning and 130.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1529.92 ms. Allocated memory is still 152.0 MB. Free memory was 130.6 MB in the beginning and 62.4 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8209.90 ms. Allocated memory was 152.0 MB in the beginning and 272.6 MB in the end (delta: 120.6 MB). Free memory was 62.4 MB in the beginning and 156.5 MB in the end (delta: -94.1 MB). Peak memory consumption was 64.2 MB. Max. memory is 8.0 GB. * Witness Printer took 233.51 ms. Allocated memory is still 272.6 MB. Free memory was 156.0 MB in the beginning and 143.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: 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: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && !(\result == 0)) && \result == 1) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(methaneLevelCritical == 0)) && !(\result == 0)) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: (((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && methaneLevelCritical == 0) && tmp == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(methaneLevelCritical == 0)) && !(0 == systemActive)) && !(\result == 0)) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1290 SDtfs, 1914 SDslu, 2311 SDs, 0 SdLazy, 378 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 921 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 212 NumberOfFragments, 707 HoareAnnotationTreeSize, 56 FomulaSimplifications, 712315 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 56 FomulaSimplificationsInter, 125255 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 349 NumberOfCodeBlocks, 349 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 21483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 14/14 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...