/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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:55:15,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:55:15,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:55:15,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:55:15,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:55:15,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:55:15,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:55:15,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:55:15,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:55:15,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:55:15,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:55:15,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:55:15,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:55:15,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:55:15,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:55:15,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:55:15,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:55:15,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:55:15,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:55:15,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:55:15,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:55:15,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:55:15,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:55:15,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:55:15,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:55:15,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:55:15,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:55:15,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:55:15,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:55:15,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:55:15,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:55:15,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:55:15,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:55:15,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:55:15,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:55:15,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:55:15,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:55:15,334 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:55:15,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:55:15,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:55:15,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:55:15,336 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:55:15,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:55:15,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:55:15,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:55:15,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:55:15,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:55:15,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:55:15,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:55:15,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:55:15,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:55:15,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:55:15,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:55:15,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:55:15,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:55:15,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:55:15,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:55:15,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:55:15,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:55:15,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:55:15,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:55:15,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:55:15,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:55:15,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:55:15,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:55:15,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:55:15,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:55:15,750 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:55:15,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-12-22 06:55:15,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c105f4ef/c208dc1efba74a0182a659cf961ec521/FLAG133cbe58d [2020-12-22 06:55:16,558 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:55:16,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product07.cil.c [2020-12-22 06:55:16,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c105f4ef/c208dc1efba74a0182a659cf961ec521/FLAG133cbe58d [2020-12-22 06:55:16,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c105f4ef/c208dc1efba74a0182a659cf961ec521 [2020-12-22 06:55:16,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:55:16,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:55:16,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:16,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:55:16,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:55:16,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:16" (1/1) ... [2020-12-22 06:55:16,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac466ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:16, skipping insertion in model container [2020-12-22 06:55:16,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:55:16" (1/1) ... [2020-12-22 06:55:16,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:55:16,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:55:17,022 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_product07.cil.c[1281,1294] [2020-12-22 06:55:17,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:17,180 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:55:17,196 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_product07.cil.c[1281,1294] [2020-12-22 06:55:17,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:55:17,317 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:55:17,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17 WrapperNode [2020-12-22 06:55:17,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:55:17,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:17,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:55:17,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:55:17,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:55:17,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:55:17,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:55:17,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:55:17,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (1/1) ... [2020-12-22 06:55:17,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:55:17,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:55:17,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:55:17,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:55:17,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (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 06:55:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:55:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:55:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:55:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:55:18,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:55:18,657 INFO L299 CfgBuilder]: Removed 106 assume(true) statements. [2020-12-22 06:55:18,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:18 BoogieIcfgContainer [2020-12-22 06:55:18,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:55:18,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:55:18,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:55:18,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:55:18,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:55:16" (1/3) ... [2020-12-22 06:55:18,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b1aa1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:18, skipping insertion in model container [2020-12-22 06:55:18,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:55:17" (2/3) ... [2020-12-22 06:55:18,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b1aa1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:55:18, skipping insertion in model container [2020-12-22 06:55:18,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:18" (3/3) ... [2020-12-22 06:55:18,669 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2020-12-22 06:55:18,676 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:55:18,681 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:55:18,701 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:55:18,727 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:55:18,727 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:55:18,727 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:55:18,727 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:55:18,727 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:55:18,728 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:55:18,728 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:55:18,728 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:55:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2020-12-22 06:55:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:55:18,753 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:18,754 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 06:55:18,755 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:18,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:18,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1227208852, now seen corresponding path program 1 times [2020-12-22 06:55:18,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:18,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752857052] [2020-12-22 06:55:18,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:19,096 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 06:55:19,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752857052] [2020-12-22 06:55:19,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:19,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:55:19,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648113939] [2020-12-22 06:55:19,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:55:19,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:19,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:55:19,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:55:19,141 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2020-12-22 06:55:19,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:19,198 INFO L93 Difference]: Finished difference Result 148 states and 221 transitions. [2020-12-22 06:55:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:55:19,199 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:55:19,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:19,230 INFO L225 Difference]: With dead ends: 148 [2020-12-22 06:55:19,230 INFO L226 Difference]: Without dead ends: 73 [2020-12-22 06:55:19,234 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 06:55:19,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-22 06:55:19,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-22 06:55:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-22 06:55:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-12-22 06:55:19,302 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 18 [2020-12-22 06:55:19,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:19,302 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-12-22 06:55:19,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:55:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-12-22 06:55:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:55:19,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:19,305 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 06:55:19,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:55:19,306 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:19,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:19,308 INFO L82 PathProgramCache]: Analyzing trace with hash -2138239605, now seen corresponding path program 1 times [2020-12-22 06:55:19,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:19,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936987783] [2020-12-22 06:55:19,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:19,525 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 06:55:19,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936987783] [2020-12-22 06:55:19,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:19,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:55:19,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243737419] [2020-12-22 06:55:19,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:55:19,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:19,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:55:19,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:55:19,531 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-12-22 06:55:19,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:19,576 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-12-22 06:55:19,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:55:19,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:55:19,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:19,578 INFO L225 Difference]: With dead ends: 73 [2020-12-22 06:55:19,578 INFO L226 Difference]: Without dead ends: 35 [2020-12-22 06:55:19,579 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 06:55:19,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-22 06:55:19,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-22 06:55:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-22 06:55:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-12-22 06:55:19,592 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-12-22 06:55:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:19,593 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-12-22 06:55:19,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:55:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-12-22 06:55:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:55:19,597 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:19,598 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 06:55:19,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:55:19,598 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:19,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:19,599 INFO L82 PathProgramCache]: Analyzing trace with hash -227571320, now seen corresponding path program 1 times [2020-12-22 06:55:19,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:19,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581411568] [2020-12-22 06:55:19,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:19,745 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 06:55:19,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581411568] [2020-12-22 06:55:19,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:19,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:55:19,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497622206] [2020-12-22 06:55:19,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:55:19,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:19,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:55:19,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:55:19,749 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 6 states. [2020-12-22 06:55:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:19,992 INFO L93 Difference]: Finished difference Result 118 states and 172 transitions. [2020-12-22 06:55:19,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:55:19,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:55:19,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:19,995 INFO L225 Difference]: With dead ends: 118 [2020-12-22 06:55:19,995 INFO L226 Difference]: Without dead ends: 89 [2020-12-22 06:55:19,996 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 06:55:19,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-22 06:55:20,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 56. [2020-12-22 06:55:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-12-22 06:55:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 81 transitions. [2020-12-22 06:55:20,008 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 81 transitions. Word has length 24 [2020-12-22 06:55:20,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:20,009 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 81 transitions. [2020-12-22 06:55:20,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:55:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2020-12-22 06:55:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-22 06:55:20,010 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:20,010 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 06:55:20,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:55:20,011 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:20,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:20,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1937535180, now seen corresponding path program 1 times [2020-12-22 06:55:20,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:20,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330438399] [2020-12-22 06:55:20,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:55:20,093 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 06:55:20,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330438399] [2020-12-22 06:55:20,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:55:20,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:55:20,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393203033] [2020-12-22 06:55:20,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:55:20,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:55:20,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:55:20,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:55:20,096 INFO L87 Difference]: Start difference. First operand 56 states and 81 transitions. Second operand 5 states. [2020-12-22 06:55:20,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:55:20,217 INFO L93 Difference]: Finished difference Result 292 states and 446 transitions. [2020-12-22 06:55:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:55:20,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-22 06:55:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:55:20,227 INFO L225 Difference]: With dead ends: 292 [2020-12-22 06:55:20,227 INFO L226 Difference]: Without dead ends: 242 [2020-12-22 06:55:20,228 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 06:55:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-12-22 06:55:20,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 100. [2020-12-22 06:55:20,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-12-22 06:55:20,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2020-12-22 06:55:20,260 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 25 [2020-12-22 06:55:20,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:55:20,260 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2020-12-22 06:55:20,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:55:20,261 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2020-12-22 06:55:20,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:55:20,262 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:55:20,262 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 06:55:20,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:55:20,263 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:55:20,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:55:20,263 INFO L82 PathProgramCache]: Analyzing trace with hash -21773810, now seen corresponding path program 1 times [2020-12-22 06:55:20,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:55:20,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457813448] [2020-12-22 06:55:20,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:55:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 06:55:20,340 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 06:55:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 06:55:20,412 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 06:55:20,460 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 06:55:20,460 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 06:55:20,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:55:20,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:20 BoogieIcfgContainer [2020-12-22 06:55:20,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:20,566 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:20,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:20,567 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:20,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:55:18" (3/4) ... [2020-12-22 06:55:20,570 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 06:55:20,708 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product07.cil.c-witness.graphml [2020-12-22 06:55:20,709 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:20,714 INFO L168 Benchmark]: Toolchain (without parser) took 3906.85 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 125.2 MB in the beginning and 73.0 MB in the end (delta: 52.2 MB). Peak memory consumption was 83.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,717 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 123.6 MB in the end (delta: 222.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:20,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 104.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.95 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 101.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,721 INFO L168 Benchmark]: Boogie Preprocessor took 87.94 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 99.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,724 INFO L168 Benchmark]: RCFGBuilder took 1147.90 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 81.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,724 INFO L168 Benchmark]: TraceAbstraction took 1904.76 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 80.6 MB in the beginning and 84.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,725 INFO L168 Benchmark]: Witness Printer took 142.31 ms. Allocated memory is still 181.4 MB. Free memory was 83.5 MB in the beginning and 73.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:20,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 123.6 MB in the end (delta: 222.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 509.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 104.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 102.95 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 101.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.94 ms. Allocated memory is still 151.0 MB. Free memory was 101.5 MB in the beginning and 99.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1147.90 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 81.1 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1904.76 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 80.6 MB in the beginning and 84.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 28.0 MB. Max. memory is 8.0 GB. * Witness Printer took 142.31 ms. Allocated memory is still 181.4 MB. Free memory was 83.5 MB in the beginning and 73.0 MB in the end (delta: 10.5 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: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L89] int cleanupTimeShifts = 4; [L359] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L813] int waterLevel = 1; [L814] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] int retValue_acc ; [L168] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L174] tmp = valid_product() [L176] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L747] int splverifierCounter ; [L748] int tmp ; [L749] int tmp___0 ; [L750] int tmp___1 ; [L751] int tmp___2 ; [L754] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L758] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L764] tmp = __VERIFIER_nondet_int() [L766] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L831] COND TRUE waterLevel < 2 [L832] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L774] tmp___0 = __VERIFIER_nondet_int() [L776] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L784] tmp___2 = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND TRUE \read(systemActive) [L634] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L852] int retValue_acc ; [L855] retValue_acc = methaneLevelCritical [L856] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L884] int retValue_acc ; [L887] retValue_acc = waterLevel [L888] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L572] tmp___0 = getWaterLevel() [L574] COND TRUE tmp___0 == 2 [L686] int retValue_acc ; [L689] retValue_acc = pumpRunning [L690] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L576] tmp___1 = isPumpRunning() [L578] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] 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, 77 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 404 SDslu, 451 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 175 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s 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...