/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_spec3_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:10,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:10,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:10,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:10,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:10,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:10,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:10,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:10,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:10,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:10,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:10,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:10,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:10,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:10,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:10,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:10,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:10,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:11,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:11,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:11,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:11,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:11,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:11,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:11,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:11,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:11,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:11,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:11,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:11,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:11,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:11,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:11,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:11,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:11,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:11,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:11,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:11,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:11,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:11,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:11,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:11,106 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:11,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:11,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:11,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:11,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:11,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:11,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:11,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:11,115 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:11,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:11,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:11,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:11,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:11,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:11,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:11,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:11,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:11,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:11,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:11,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:11,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:11,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:11,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:11,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:11,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:11,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:11,691 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:11,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2020-12-22 06:55:11,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14400f73c/1686792e4f81453db6eb5fff0fe2ad06/FLAG942aed6c4 [2020-12-22 06:55:12,387 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:12,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2020-12-22 06:55:12,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14400f73c/1686792e4f81453db6eb5fff0fe2ad06/FLAG942aed6c4 [2020-12-22 06:55:12,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14400f73c/1686792e4f81453db6eb5fff0fe2ad06 [2020-12-22 06:55:12,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:12,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:12,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:12,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:12,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:12,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:12" (1/1) ... [2020-12-22 06:55:12,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae6b331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:12, skipping insertion in model container [2020-12-22 06:55:12,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:12" (1/1) ... [2020-12-22 06:55:12,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:12,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:12,980 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_spec3_product05.cil.c[1817,1830] [2020-12-22 06:55:13,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:13,195 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:13,255 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_spec3_product05.cil.c[1817,1830] [2020-12-22 06:55:13,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:13,404 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:13,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13 WrapperNode [2020-12-22 06:55:13,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:13,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:13,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:13,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:13,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:13,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:13,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:13,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:13,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (1/1) ... [2020-12-22 06:55:13,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:13,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:13,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:13,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:13,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (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 06:55:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:14,673 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:14,674 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2020-12-22 06:55:14,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:14 BoogieIcfgContainer [2020-12-22 06:55:14,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:14,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:14,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:14,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:14,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:12" (1/3) ... [2020-12-22 06:55:14,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7564dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:14, skipping insertion in model container [2020-12-22 06:55:14,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:13" (2/3) ... [2020-12-22 06:55:14,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7564dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:14, skipping insertion in model container [2020-12-22 06:55:14,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:14" (3/3) ... [2020-12-22 06:55:14,727 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2020-12-22 06:55:14,747 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:14,768 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:14,798 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:14,831 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:14,831 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:14,831 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:14,831 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:14,831 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:14,831 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:14,832 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:14,832 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-12-22 06:55:14,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:14,857 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:14,858 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 06:55:14,858 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:14,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:14,865 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2020-12-22 06:55:14,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:14,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096001406] [2020-12-22 06:55:14,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:15,246 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 06:55:15,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096001406] [2020-12-22 06:55:15,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:15,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:15,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237826904] [2020-12-22 06:55:15,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:15,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:15,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:15,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:15,275 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2020-12-22 06:55:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:15,306 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2020-12-22 06:55:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:15,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:15,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:15,319 INFO L225 Difference]: With dead ends: 144 [2020-12-22 06:55:15,320 INFO L226 Difference]: Without dead ends: 71 [2020-12-22 06:55:15,323 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 06:55:15,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-22 06:55:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-22 06:55:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:55:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-12-22 06:55:15,373 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2020-12-22 06:55:15,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:15,374 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-12-22 06:55:15,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-12-22 06:55:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:15,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:15,377 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 06:55:15,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:15,380 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:15,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:15,382 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2020-12-22 06:55:15,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:15,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327808103] [2020-12-22 06:55:15,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:15,584 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 06:55:15,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327808103] [2020-12-22 06:55:15,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:15,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:15,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504499592] [2020-12-22 06:55:15,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:15,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:15,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:15,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:15,592 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-12-22 06:55:15,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:15,615 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-12-22 06:55:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:15,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:15,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:15,617 INFO L225 Difference]: With dead ends: 71 [2020-12-22 06:55:15,618 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:55:15,619 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 06:55:15,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:55:15,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:55:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:55:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-12-22 06:55:15,629 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-12-22 06:55:15,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:15,630 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-12-22 06:55:15,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:15,630 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-22 06:55:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:15,632 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:15,632 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 06:55:15,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:15,633 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:15,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:15,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2020-12-22 06:55:15,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:15,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119017008] [2020-12-22 06:55:15,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:15,810 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 06:55:15,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119017008] [2020-12-22 06:55:15,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:15,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:15,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857409174] [2020-12-22 06:55:15,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:15,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:15,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:15,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:15,820 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 6 states. [2020-12-22 06:55:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:15,990 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-12-22 06:55:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:55:15,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:55:15,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:15,992 INFO L225 Difference]: With dead ends: 60 [2020-12-22 06:55:15,992 INFO L226 Difference]: Without dead ends: 33 [2020-12-22 06:55:15,993 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:15,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-22 06:55:15,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-22 06:55:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-22 06:55:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-12-22 06:55:15,999 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-12-22 06:55:15,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:15,999 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-12-22 06:55:15,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-12-22 06:55:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:55:16,000 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:16,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:55:16,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:16,001 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:16,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:16,002 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2020-12-22 06:55:16,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:16,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527305209] [2020-12-22 06:55:16,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:16,160 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 06:55:16,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527305209] [2020-12-22 06:55:16,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:16,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:16,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635482865] [2020-12-22 06:55:16,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:16,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:16,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:16,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:16,163 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-12-22 06:55:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:16,271 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2020-12-22 06:55:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:16,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:55:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:16,274 INFO L225 Difference]: With dead ends: 158 [2020-12-22 06:55:16,274 INFO L226 Difference]: Without dead ends: 131 [2020-12-22 06:55:16,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:55:16,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-12-22 06:55:16,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2020-12-22 06:55:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-22 06:55:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2020-12-22 06:55:16,289 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2020-12-22 06:55:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:16,290 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2020-12-22 06:55:16,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2020-12-22 06:55:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:16,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:16,292 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 06:55:16,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:16,292 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:16,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:16,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2020-12-22 06:55:16,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:16,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759178870] [2020-12-22 06:55:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 06:55:16,368 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 06:55:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 06:55:16,440 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 06:55:16,488 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 06:55:16,489 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 06:55:16,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:16,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:16 BoogieIcfgContainer [2020-12-22 06:55:16,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:16,608 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:16,608 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:16,608 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:16,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:14" (3/4) ... [2020-12-22 06:55:16,613 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 06:55:16,748 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product05.cil.c-witness.graphml [2020-12-22 06:55:16,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:16,755 INFO L168 Benchmark]: Toolchain (without parser) took 4047.56 ms. Allocated memory was 164.6 MB in the beginning and 207.6 MB in the end (delta: 43.0 MB). Free memory was 128.7 MB in the beginning and 124.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,755 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 164.6 MB. Free memory is still 146.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:16,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.55 ms. Allocated memory is still 164.6 MB. Free memory was 128.5 MB in the beginning and 139.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.82 ms. Allocated memory is still 164.6 MB. Free memory was 139.9 MB in the beginning and 136.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,757 INFO L168 Benchmark]: Boogie Preprocessor took 44.56 ms. Allocated memory is still 164.6 MB. Free memory was 136.9 MB in the beginning and 134.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,757 INFO L168 Benchmark]: RCFGBuilder took 1117.62 ms. Allocated memory is still 164.6 MB. Free memory was 134.8 MB in the beginning and 141.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,757 INFO L168 Benchmark]: TraceAbstraction took 1904.93 ms. Allocated memory was 164.6 MB in the beginning and 207.6 MB in the end (delta: 43.0 MB). Free memory was 141.8 MB in the beginning and 135.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,758 INFO L168 Benchmark]: Witness Printer took 141.40 ms. Allocated memory is still 207.6 MB. Free memory was 135.1 MB in the beginning and 124.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:16,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 164.6 MB. Free memory is still 146.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 698.55 ms. Allocated memory is still 164.6 MB. Free memory was 128.5 MB in the beginning and 139.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 129.82 ms. Allocated memory is still 164.6 MB. Free memory was 139.9 MB in the beginning and 136.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.56 ms. Allocated memory is still 164.6 MB. Free memory was 136.9 MB in the beginning and 134.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1117.62 ms. Allocated memory is still 164.6 MB. Free memory was 134.8 MB in the beginning and 141.8 MB in the end (delta: -7.1 MB). Peak memory consumption was 39.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1904.93 ms. Allocated memory was 164.6 MB in the beginning and 207.6 MB in the end (delta: 43.0 MB). Free memory was 141.8 MB in the beginning and 135.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. * Witness Printer took 141.40 ms. Allocated memory is still 207.6 MB. Free memory was 135.1 MB in the beginning and 124.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 84]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L97] int pumpRunning = 0; [L98] int systemActive = 1; [L299] int cleanupTimeShifts = 4; [L564] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L762] int waterLevel = 1; [L763] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L372] int retValue_acc ; [L373] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L379] tmp = valid_product() [L381] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L235] int splverifierCounter ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L242] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L244] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L246] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L252] tmp = __VERIFIER_nondet_int() [L254] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] COND TRUE waterLevel < 2 [L781] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L262] tmp___0 = __VERIFIER_nondet_int() [L264] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L272] tmp___2 = __VERIFIER_nondet_int() [L274] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L105] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] COND TRUE \read(systemActive) [L134] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L137] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L801] int retValue_acc ; [L804] retValue_acc = methaneLevelCritical [L805] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) [L833] int retValue_acc ; [L836] retValue_acc = waterLevel [L837] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] tmp___0 = getWaterLevel() [L857] COND TRUE tmp___0 == 2 [L186] int retValue_acc ; [L189] retValue_acc = pumpRunning [L190] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] tmp___1 = isPumpRunning() [L861] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 368 SDslu, 175 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3741 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...