./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 09:53:51,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:53:51,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:53:51,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:53:51,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:53:51,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:53:51,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:53:51,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:53:51,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:53:51,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:53:51,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:53:51,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:53:51,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:53:51,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:53:51,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:53:51,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:53:51,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:53:51,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:53:51,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:53:51,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:53:51,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:53:51,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:53:51,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:53:51,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:53:51,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:53:51,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:53:51,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:53:51,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:53:51,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:53:51,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:53:51,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:53:51,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:53:51,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:53:51,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:53:51,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:53:51,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:53:51,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:53:51,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:53:51,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:53:51,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:53:51,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:53:51,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:53:51,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:53:51,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:53:51,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:53:51,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:53:51,675 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:53:51,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:53:51,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:53:51,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:53:51,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:53:51,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:53:51,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:53:51,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:53:51,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:53:51,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:53:51,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:53:51,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:53:51,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:53:51,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:53:51,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:53:51,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:53:51,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:51,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:53:51,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:53:51,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:53:51,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:53:51,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:53:51,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:53:51,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:53:51,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 [2021-07-05 09:53:51,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:53:51,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:53:51,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:53:51,991 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:53:51,992 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:53:51,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2021-07-05 09:53:52,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c636382/06b9283fd61b48009616a54c66861c50/FLAG26f7dd090 [2021-07-05 09:53:52,483 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:53:52,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2021-07-05 09:53:52,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c636382/06b9283fd61b48009616a54c66861c50/FLAG26f7dd090 [2021-07-05 09:53:52,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c636382/06b9283fd61b48009616a54c66861c50 [2021-07-05 09:53:52,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:53:52,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:53:52,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:52,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:53:52,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:53:52,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:52" (1/1) ... [2021-07-05 09:53:52,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228ab458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:52, skipping insertion in model container [2021-07-05 09:53:52,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:53:52" (1/1) ... [2021-07-05 09:53:52,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:53:52,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:53:53,095 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6479,6492] [2021-07-05 09:53:53,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:53,209 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:53:53,268 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6479,6492] [2021-07-05 09:53:53,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:53:53,331 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:53:53,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53 WrapperNode [2021-07-05 09:53:53,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:53:53,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:53,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:53:53,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:53:53,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:53:53,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:53:53,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:53:53,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:53:53,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:53:53,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:53:53,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:53:53,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:53:53,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (1/1) ... [2021-07-05 09:53:53,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:53:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:53:53,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 09:53:53,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 09:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:53:53,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:53:53,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:53:54,247 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:53:54,248 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-07-05 09:53:54,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:54 BoogieIcfgContainer [2021-07-05 09:53:54,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:53:54,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:53:54,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:53:54,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:53:54,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:53:52" (1/3) ... [2021-07-05 09:53:54,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd187f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:54, skipping insertion in model container [2021-07-05 09:53:54,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:53:53" (2/3) ... [2021-07-05 09:53:54,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dd187f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:53:54, skipping insertion in model container [2021-07-05 09:53:54,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:54" (3/3) ... [2021-07-05 09:53:54,256 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2021-07-05 09:53:54,261 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:53:54,262 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:53:54,302 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:54,307 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:53:54,307 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:54,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 09:53:54,324 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:54,325 INFO L525 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] [2021-07-05 09:53:54,325 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:54,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:54,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1289655203, now seen corresponding path program 1 times [2021-07-05 09:53:54,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:54,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974839869] [2021-07-05 09:53:54,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:54,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:54,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:54,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:54,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:54,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:54,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:54,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:54,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974839869] [2021-07-05 09:53:54,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974839869] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:54,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:54,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:54,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753152178] [2021-07-05 09:53:54,614 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:54,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:54,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:54,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:54,630 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:54,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:54,765 INFO L93 Difference]: Finished difference Result 239 states and 372 transitions. [2021-07-05 09:53:54,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-05 09:53:54,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-07-05 09:53:54,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:54,775 INFO L225 Difference]: With dead ends: 239 [2021-07-05 09:53:54,775 INFO L226 Difference]: Without dead ends: 102 [2021-07-05 09:53:54,779 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.4ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-07-05 09:53:54,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-07-05 09:53:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 50. [2021-07-05 09:53:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 49 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2021-07-05 09:53:54,823 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 24 [2021-07-05 09:53:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:54,824 INFO L442 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2021-07-05 09:53:54,825 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:54,825 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2021-07-05 09:53:54,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:53:54,826 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:54,826 INFO L525 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] [2021-07-05 09:53:54,826 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:53:54,827 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:54,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:54,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1754974165, now seen corresponding path program 1 times [2021-07-05 09:53:54,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:54,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378259906] [2021-07-05 09:53:54,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:54,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:54,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:54,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:54,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:54,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:54,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:54,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:54,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378259906] [2021-07-05 09:53:54,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378259906] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:54,979 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:54,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:53:54,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695267876] [2021-07-05 09:53:54,981 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:53:54,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:54,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:53:54,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:53:54,985 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:55,061 INFO L93 Difference]: Finished difference Result 148 states and 220 transitions. [2021-07-05 09:53:55,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 09:53:55,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-07-05 09:53:55,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:55,064 INFO L225 Difference]: With dead ends: 148 [2021-07-05 09:53:55,064 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:55,069 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-05 09:53:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:55,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-07-05 09:53:55,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:55,070 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:55,071 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:55,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:55,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:55,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,198 INFO L762 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-07-05 09:53:55,199 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,199 INFO L762 garLoopResultBuilder]: For program point L333(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,199 INFO L762 garLoopResultBuilder]: For program point L333-2(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,199 INFO L762 garLoopResultBuilder]: For program point L333-4(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,199 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,200 INFO L762 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,200 INFO L762 garLoopResultBuilder]: For program point L334-2(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,200 INFO L762 garLoopResultBuilder]: For program point L334-4(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,200 INFO L758 garLoopResultBuilder]: At program point L318(lines 313 320) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,200 INFO L758 garLoopResultBuilder]: At program point L170(lines 169 188) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,201 INFO L762 garLoopResultBuilder]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:55,201 INFO L765 garLoopResultBuilder]: At program point L170-2(lines 169 188) the Hoare annotation is: true [2021-07-05 09:53:55,202 INFO L765 garLoopResultBuilder]: At program point L170-3(lines 169 188) the Hoare annotation is: true [2021-07-05 09:53:55,202 INFO L762 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,202 INFO L762 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,202 INFO L762 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-07-05 09:53:55,204 INFO L762 garLoopResultBuilder]: For program point L436-2(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,204 INFO L762 garLoopResultBuilder]: For program point L106(lines 106 112) no Hoare annotation was computed. [2021-07-05 09:53:55,205 INFO L758 garLoopResultBuilder]: At program point L106-1(lines 106 112) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,205 INFO L765 garLoopResultBuilder]: At program point L899(lines 880 902) the Hoare annotation is: true [2021-07-05 09:53:55,205 INFO L758 garLoopResultBuilder]: At program point L866(lines 862 868) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,205 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,205 INFO L765 garLoopResultBuilder]: At program point L818-2(lines 818 832) the Hoare annotation is: true [2021-07-05 09:53:55,206 INFO L758 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,206 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,206 INFO L762 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2021-07-05 09:53:55,207 INFO L762 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-07-05 09:53:55,207 INFO L758 garLoopResultBuilder]: At program point L291-1(lines 291 297) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,207 INFO L762 garLoopResultBuilder]: For program point L126(lines 126 141) no Hoare annotation was computed. [2021-07-05 09:53:55,207 INFO L762 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,207 INFO L762 garLoopResultBuilder]: For program point L358-3(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,207 INFO L762 garLoopResultBuilder]: For program point L358-6(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,208 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,208 INFO L758 garLoopResultBuilder]: At program point L177(lines 177 183) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,208 INFO L765 garLoopResultBuilder]: At program point L177-1(lines 177 183) the Hoare annotation is: true [2021-07-05 09:53:55,209 INFO L765 garLoopResultBuilder]: At program point L177-2(lines 177 183) the Hoare annotation is: true [2021-07-05 09:53:55,209 INFO L762 garLoopResultBuilder]: For program point L822(lines 822 826) no Hoare annotation was computed. [2021-07-05 09:53:55,209 INFO L762 garLoopResultBuilder]: For program point L822-1(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:55,210 INFO L765 garLoopResultBuilder]: At program point L146(lines 95 147) the Hoare annotation is: true [2021-07-05 09:53:55,210 INFO L762 garLoopResultBuilder]: For program point L97(lines 96 145) no Hoare annotation was computed. [2021-07-05 09:53:55,210 INFO L762 garLoopResultBuilder]: For program point L890(lines 890 897) no Hoare annotation was computed. [2021-07-05 09:53:55,211 INFO L765 garLoopResultBuilder]: At program point L890-1(lines 890 897) the Hoare annotation is: true [2021-07-05 09:53:55,211 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,211 INFO L765 garLoopResultBuilder]: At program point L395-1(lines 390 398) the Hoare annotation is: true [2021-07-05 09:53:55,211 INFO L762 garLoopResultBuilder]: For program point L329(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,211 INFO L765 garLoopResultBuilder]: At program point L395-2(lines 390 398) the Hoare annotation is: true [2021-07-05 09:53:55,213 INFO L758 garLoopResultBuilder]: At program point L329-1(lines 1 902) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,213 INFO L762 garLoopResultBuilder]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,214 INFO L765 garLoopResultBuilder]: At program point L329-3(lines 1 902) the Hoare annotation is: true [2021-07-05 09:53:55,214 INFO L762 garLoopResultBuilder]: For program point L329-4(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,214 INFO L765 garLoopResultBuilder]: At program point L329-5(lines 1 902) the Hoare annotation is: true [2021-07-05 09:53:55,215 INFO L762 garLoopResultBuilder]: For program point L98(lines 98 102) no Hoare annotation was computed. [2021-07-05 09:53:55,215 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,215 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,215 INFO L758 garLoopResultBuilder]: At program point L247(lines 242 250) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,215 INFO L765 garLoopResultBuilder]: At program point L247-1(lines 242 250) the Hoare annotation is: true [2021-07-05 09:53:55,216 INFO L765 garLoopResultBuilder]: At program point L247-2(lines 242 250) the Hoare annotation is: true [2021-07-05 09:53:55,216 INFO L762 garLoopResultBuilder]: For program point L116(lines 116 122) no Hoare annotation was computed. [2021-07-05 09:53:55,216 INFO L758 garLoopResultBuilder]: At program point L116-1(lines 116 122) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,216 INFO L758 garLoopResultBuilder]: At program point L67(lines 1 902) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,217 INFO L762 garLoopResultBuilder]: For program point L134(lines 134 140) no Hoare annotation was computed. [2021-07-05 09:53:55,217 INFO L758 garLoopResultBuilder]: At program point L134-1(lines 170 176) the Hoare annotation is: (= ~pumpRunning~0 0) [2021-07-05 09:53:55,217 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:53:55,217 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:55,221 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 09:53:55,231 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:55,233 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:53:55,236 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 09:53:55,241 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:55,242 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:55,242 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:55,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:55,242 INFO L82 PathProgramCache]: Analyzing trace with hash 706591477, now seen corresponding path program 1 times [2021-07-05 09:53:55,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:55,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144815218] [2021-07-05 09:53:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:55,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:55,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:55,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:55,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144815218] [2021-07-05 09:53:55,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144815218] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:55,335 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:55,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:55,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843579251] [2021-07-05 09:53:55,336 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:55,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:55,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:55,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:55,337 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:55,340 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-07-05 09:53:55,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:55,341 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-07-05 09:53:55,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:55,342 INFO L225 Difference]: With dead ends: 119 [2021-07-05 09:53:55,343 INFO L226 Difference]: Without dead ends: 41 [2021-07-05 09:53:55,343 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-07-05 09:53:55,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-07-05 09:53:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2021-07-05 09:53:55,348 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 18 [2021-07-05 09:53:55,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:55,348 INFO L442 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-07-05 09:53:55,348 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2021-07-05 09:53:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-07-05 09:53:55,349 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:55,349 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:55,349 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-07-05 09:53:55,350 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:55,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:55,350 INFO L82 PathProgramCache]: Analyzing trace with hash 583909382, now seen corresponding path program 1 times [2021-07-05 09:53:55,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:55,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750067060] [2021-07-05 09:53:55,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:55,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:55,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:55,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:55,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:55,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750067060] [2021-07-05 09:53:55,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750067060] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:55,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:55,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:55,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107064456] [2021-07-05 09:53:55,402 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:55,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:55,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:55,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:55,404 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:55,408 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2021-07-05 09:53:55,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:55,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-07-05 09:53:55,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:55,410 INFO L225 Difference]: With dead ends: 41 [2021-07-05 09:53:55,410 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:55,411 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:55,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:55,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-07-05 09:53:55,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:55,412 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:55,413 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:55,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:55,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:55,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,462 INFO L762 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-07-05 09:53:55,463 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,463 INFO L762 garLoopResultBuilder]: For program point L333(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,463 INFO L762 garLoopResultBuilder]: For program point L333-2(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,463 INFO L762 garLoopResultBuilder]: For program point L333-4(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,463 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,463 INFO L762 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,464 INFO L762 garLoopResultBuilder]: For program point L334-2(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,464 INFO L762 garLoopResultBuilder]: For program point L334-4(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,464 INFO L758 garLoopResultBuilder]: At program point L318(lines 313 320) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,464 INFO L758 garLoopResultBuilder]: At program point L170(lines 169 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,465 INFO L762 garLoopResultBuilder]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:55,465 INFO L758 garLoopResultBuilder]: At program point L170-2(lines 169 188) the Hoare annotation is: false [2021-07-05 09:53:55,465 INFO L765 garLoopResultBuilder]: At program point L170-3(lines 169 188) the Hoare annotation is: true [2021-07-05 09:53:55,465 INFO L762 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,465 INFO L762 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,466 INFO L762 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-07-05 09:53:55,466 INFO L762 garLoopResultBuilder]: For program point L436-2(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,467 INFO L762 garLoopResultBuilder]: For program point L106(lines 106 112) no Hoare annotation was computed. [2021-07-05 09:53:55,467 INFO L758 garLoopResultBuilder]: At program point L106-1(lines 106 112) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,467 INFO L765 garLoopResultBuilder]: At program point L899(lines 880 902) the Hoare annotation is: true [2021-07-05 09:53:55,468 INFO L758 garLoopResultBuilder]: At program point L866(lines 862 868) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,468 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,468 INFO L765 garLoopResultBuilder]: At program point L818-2(lines 818 832) the Hoare annotation is: true [2021-07-05 09:53:55,468 INFO L758 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,469 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,469 INFO L762 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2021-07-05 09:53:55,469 INFO L762 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-07-05 09:53:55,469 INFO L758 garLoopResultBuilder]: At program point L291-1(lines 291 297) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,469 INFO L762 garLoopResultBuilder]: For program point L126(lines 126 141) no Hoare annotation was computed. [2021-07-05 09:53:55,469 INFO L762 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,470 INFO L762 garLoopResultBuilder]: For program point L358-3(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,470 INFO L762 garLoopResultBuilder]: For program point L358-6(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,470 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,470 INFO L758 garLoopResultBuilder]: At program point L177(lines 177 183) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,470 INFO L758 garLoopResultBuilder]: At program point L177-1(lines 177 183) the Hoare annotation is: false [2021-07-05 09:53:55,470 INFO L765 garLoopResultBuilder]: At program point L177-2(lines 177 183) the Hoare annotation is: true [2021-07-05 09:53:55,470 INFO L762 garLoopResultBuilder]: For program point L822(lines 822 826) no Hoare annotation was computed. [2021-07-05 09:53:55,471 INFO L762 garLoopResultBuilder]: For program point L822-1(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:55,475 INFO L758 garLoopResultBuilder]: At program point L146(lines 95 147) the Hoare annotation is: false [2021-07-05 09:53:55,475 INFO L762 garLoopResultBuilder]: For program point L97(lines 96 145) no Hoare annotation was computed. [2021-07-05 09:53:55,475 INFO L762 garLoopResultBuilder]: For program point L890(lines 890 897) no Hoare annotation was computed. [2021-07-05 09:53:55,475 INFO L765 garLoopResultBuilder]: At program point L890-1(lines 890 897) the Hoare annotation is: true [2021-07-05 09:53:55,475 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,475 INFO L758 garLoopResultBuilder]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2021-07-05 09:53:55,476 INFO L762 garLoopResultBuilder]: For program point L329(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,476 INFO L765 garLoopResultBuilder]: At program point L395-2(lines 390 398) the Hoare annotation is: true [2021-07-05 09:53:55,476 INFO L758 garLoopResultBuilder]: At program point L329-1(lines 1 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,476 INFO L762 garLoopResultBuilder]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,480 INFO L765 garLoopResultBuilder]: At program point L329-3(lines 1 902) the Hoare annotation is: true [2021-07-05 09:53:55,481 INFO L762 garLoopResultBuilder]: For program point L329-4(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,481 INFO L765 garLoopResultBuilder]: At program point L329-5(lines 1 902) the Hoare annotation is: true [2021-07-05 09:53:55,481 INFO L762 garLoopResultBuilder]: For program point L98(lines 98 102) no Hoare annotation was computed. [2021-07-05 09:53:55,481 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,481 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,481 INFO L758 garLoopResultBuilder]: At program point L247(lines 242 250) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,482 INFO L758 garLoopResultBuilder]: At program point L247-1(lines 242 250) the Hoare annotation is: false [2021-07-05 09:53:55,482 INFO L765 garLoopResultBuilder]: At program point L247-2(lines 242 250) the Hoare annotation is: true [2021-07-05 09:53:55,482 INFO L762 garLoopResultBuilder]: For program point L116(lines 116 122) no Hoare annotation was computed. [2021-07-05 09:53:55,482 INFO L758 garLoopResultBuilder]: At program point L116-1(lines 116 122) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,482 INFO L758 garLoopResultBuilder]: At program point L67(lines 1 902) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,482 INFO L762 garLoopResultBuilder]: For program point L134(lines 134 140) no Hoare annotation was computed. [2021-07-05 09:53:55,482 INFO L758 garLoopResultBuilder]: At program point L134-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,482 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-07-05 09:53:55,482 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:55,482 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/3) [2021-07-05 09:53:55,484 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:53:55,484 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:53:55,485 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:53:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-07-05 09:53:55,487 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:55,487 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:55,487 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:55,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:55,488 INFO L82 PathProgramCache]: Analyzing trace with hash 402124753, now seen corresponding path program 1 times [2021-07-05 09:53:55,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:55,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471508849] [2021-07-05 09:53:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:55,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:55,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:55,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:55,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471508849] [2021-07-05 09:53:55,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471508849] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:55,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:55,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 09:53:55,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614006525] [2021-07-05 09:53:55,519 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 09:53:55,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:55,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 09:53:55,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:55,520 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.5932203389830508) internal successors, (94), 62 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:55,522 INFO L93 Difference]: Finished difference Result 119 states and 180 transitions. [2021-07-05 09:53:55,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 09:53:55,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-07-05 09:53:55,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:55,523 INFO L225 Difference]: With dead ends: 119 [2021-07-05 09:53:55,524 INFO L226 Difference]: Without dead ends: 55 [2021-07-05 09:53:55,524 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 09:53:55,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-07-05 09:53:55,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-07-05 09:53:55,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2021-07-05 09:53:55,528 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 27 [2021-07-05 09:53:55,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:55,529 INFO L442 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2021-07-05 09:53:55,529 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-07-05 09:53:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-07-05 09:53:55,530 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:53:55,530 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 09:53:55,530 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-07-05 09:53:55,530 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:53:55,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:53:55,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1923215904, now seen corresponding path program 1 times [2021-07-05 09:53:55,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:53:55,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311259522] [2021-07-05 09:53:55,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:53:55,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:53:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:53:55,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:53:55,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:53:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:53:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:53:55,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:53:55,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311259522] [2021-07-05 09:53:55,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311259522] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:53:55,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:53:55,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 09:53:55,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29515284] [2021-07-05 09:53:55,577 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 09:53:55,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:53:55,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 09:53:55,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:55,578 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:53:55,581 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2021-07-05 09:53:55,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 09:53:55,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-07-05 09:53:55,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:53:55,582 INFO L225 Difference]: With dead ends: 55 [2021-07-05 09:53:55,582 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 09:53:55,583 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 09:53:55,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 09:53:55,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 09:53:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 09:53:55,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-07-05 09:53:55,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:53:55,584 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 09:53:55,584 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 09:53:55,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 09:53:55,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 09:53:55,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 09:53:55,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 09:53:55,638 INFO L762 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-07-05 09:53:55,640 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,641 INFO L762 garLoopResultBuilder]: For program point L333(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,641 INFO L762 garLoopResultBuilder]: For program point L333-2(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,641 INFO L762 garLoopResultBuilder]: For program point L333-4(lines 333 343) no Hoare annotation was computed. [2021-07-05 09:53:55,641 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,641 INFO L762 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,641 INFO L762 garLoopResultBuilder]: For program point L334-2(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,641 INFO L762 garLoopResultBuilder]: For program point L334-4(lines 334 340) no Hoare annotation was computed. [2021-07-05 09:53:55,642 INFO L758 garLoopResultBuilder]: At program point L318(lines 313 320) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,642 INFO L758 garLoopResultBuilder]: At program point L170(lines 169 188) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,642 INFO L762 garLoopResultBuilder]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:55,642 INFO L758 garLoopResultBuilder]: At program point L170-2(lines 169 188) the Hoare annotation is: false [2021-07-05 09:53:55,642 INFO L758 garLoopResultBuilder]: At program point L170-3(lines 169 188) the Hoare annotation is: false [2021-07-05 09:53:55,642 INFO L762 garLoopResultBuilder]: For program point L436(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,642 INFO L762 garLoopResultBuilder]: For program point L436-1(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,643 INFO L762 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-07-05 09:53:55,643 INFO L762 garLoopResultBuilder]: For program point L436-2(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,643 INFO L762 garLoopResultBuilder]: For program point L106(lines 106 112) no Hoare annotation was computed. [2021-07-05 09:53:55,643 INFO L758 garLoopResultBuilder]: At program point L106-1(lines 106 112) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,643 INFO L765 garLoopResultBuilder]: At program point L899(lines 880 902) the Hoare annotation is: true [2021-07-05 09:53:55,643 INFO L758 garLoopResultBuilder]: At program point L866(lines 862 868) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,643 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,643 INFO L758 garLoopResultBuilder]: At program point L818-2(lines 818 832) the Hoare annotation is: false [2021-07-05 09:53:55,644 INFO L758 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,644 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,644 INFO L762 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2021-07-05 09:53:55,644 INFO L762 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-07-05 09:53:55,644 INFO L758 garLoopResultBuilder]: At program point L291-1(lines 291 297) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,645 INFO L762 garLoopResultBuilder]: For program point L126(lines 126 141) no Hoare annotation was computed. [2021-07-05 09:53:55,645 INFO L762 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,645 INFO L762 garLoopResultBuilder]: For program point L358-3(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,645 INFO L762 garLoopResultBuilder]: For program point L358-6(lines 358 362) no Hoare annotation was computed. [2021-07-05 09:53:55,645 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,645 INFO L758 garLoopResultBuilder]: At program point L177(lines 177 183) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,645 INFO L758 garLoopResultBuilder]: At program point L177-1(lines 177 183) the Hoare annotation is: false [2021-07-05 09:53:55,646 INFO L758 garLoopResultBuilder]: At program point L177-2(lines 177 183) the Hoare annotation is: false [2021-07-05 09:53:55,646 INFO L762 garLoopResultBuilder]: For program point L822(lines 822 826) no Hoare annotation was computed. [2021-07-05 09:53:55,646 INFO L762 garLoopResultBuilder]: For program point L822-1(lines 170 176) no Hoare annotation was computed. [2021-07-05 09:53:55,646 INFO L758 garLoopResultBuilder]: At program point L146(lines 95 147) the Hoare annotation is: false [2021-07-05 09:53:55,646 INFO L762 garLoopResultBuilder]: For program point L97(lines 96 145) no Hoare annotation was computed. [2021-07-05 09:53:55,646 INFO L762 garLoopResultBuilder]: For program point L890(lines 890 897) no Hoare annotation was computed. [2021-07-05 09:53:55,646 INFO L765 garLoopResultBuilder]: At program point L890-1(lines 890 897) the Hoare annotation is: true [2021-07-05 09:53:55,647 INFO L758 garLoopResultBuilder]: At program point L395(lines 390 398) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,647 INFO L758 garLoopResultBuilder]: At program point L395-1(lines 390 398) the Hoare annotation is: false [2021-07-05 09:53:55,647 INFO L762 garLoopResultBuilder]: For program point L329(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,647 INFO L758 garLoopResultBuilder]: At program point L395-2(lines 390 398) the Hoare annotation is: false [2021-07-05 09:53:55,648 INFO L758 garLoopResultBuilder]: At program point L329-1(lines 1 902) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,648 INFO L762 garLoopResultBuilder]: For program point L329-2(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,648 INFO L758 garLoopResultBuilder]: At program point L329-3(lines 1 902) the Hoare annotation is: false [2021-07-05 09:53:55,648 INFO L762 garLoopResultBuilder]: For program point L329-4(lines 329 346) no Hoare annotation was computed. [2021-07-05 09:53:55,649 INFO L758 garLoopResultBuilder]: At program point L329-5(lines 1 902) the Hoare annotation is: false [2021-07-05 09:53:55,649 INFO L762 garLoopResultBuilder]: For program point L98(lines 98 102) no Hoare annotation was computed. [2021-07-05 09:53:55,649 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 09:53:55,649 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 436) no Hoare annotation was computed. [2021-07-05 09:53:55,649 INFO L758 garLoopResultBuilder]: At program point L247(lines 242 250) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,650 INFO L758 garLoopResultBuilder]: At program point L247-1(lines 242 250) the Hoare annotation is: false [2021-07-05 09:53:55,651 INFO L758 garLoopResultBuilder]: At program point L247-2(lines 242 250) the Hoare annotation is: false [2021-07-05 09:53:55,651 INFO L762 garLoopResultBuilder]: For program point L116(lines 116 122) no Hoare annotation was computed. [2021-07-05 09:53:55,651 INFO L758 garLoopResultBuilder]: At program point L116-1(lines 116 122) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,651 INFO L758 garLoopResultBuilder]: At program point L67(lines 1 902) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,651 INFO L762 garLoopResultBuilder]: For program point L134(lines 134 140) no Hoare annotation was computed. [2021-07-05 09:53:55,651 INFO L758 garLoopResultBuilder]: At program point L134-1(lines 170 176) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-07-05 09:53:55,651 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-07-05 09:53:55,652 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:53:55,652 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/3) [2021-07-05 09:53:55,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:53:55 BoogieIcfgContainer [2021-07-05 09:53:55,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:53:55,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:53:55,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:53:55,665 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:53:55,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:53:54" (3/4) ... [2021-07-05 09:53:55,668 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 09:53:55,679 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-07-05 09:53:55,680 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-07-05 09:53:55,680 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-07-05 09:53:55,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-07-05 09:53:55,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 09:53:55,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:55,682 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 09:53:55,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && \result == 0) && pumpRunning == 0 [2021-07-05 09:53:55,724 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:53:55,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:53:55,726 INFO L168 Benchmark]: Toolchain (without parser) took 2852.57 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 28.4 MB in the beginning and 35.7 MB in the end (delta: -7.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:55,726 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 52.4 MB. Free memory is still 33.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:53:55,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.26 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.3 MB in the beginning and 42.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:55,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.16 ms. Allocated memory is still 67.1 MB. Free memory was 42.9 MB in the beginning and 40.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:55,727 INFO L168 Benchmark]: Boogie Preprocessor took 33.85 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 38.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:55,727 INFO L168 Benchmark]: RCFGBuilder took 826.84 ms. Allocated memory is still 67.1 MB. Free memory was 38.2 MB in the beginning and 29.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:55,727 INFO L168 Benchmark]: TraceAbstraction took 1413.67 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.1 MB in the beginning and 40.6 MB in the end (delta: -11.5 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:55,728 INFO L168 Benchmark]: Witness Printer took 60.03 ms. Allocated memory is still 81.8 MB. Free memory was 40.6 MB in the beginning and 35.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:53:55,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 52.4 MB. Free memory is still 33.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 458.26 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.3 MB in the beginning and 42.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.16 ms. Allocated memory is still 67.1 MB. Free memory was 42.9 MB in the beginning and 40.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.85 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 38.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 826.84 ms. Allocated memory is still 67.1 MB. Free memory was 38.2 MB in the beginning and 29.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1413.67 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.1 MB in the beginning and 40.6 MB in the end (delta: -11.5 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Witness Printer took 60.03 ms. Allocated memory is still 81.8 MB. Free memory was 40.6 MB in the beginning and 35.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 436]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 436]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 436]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 921.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.0ms, AutomataDifference: 250.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 123.2ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 165 SDtfs, 300 SDslu, 387 SDs, 0 SdLazy, 59 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 69.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 33.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 113 NumberOfFragments, 73 HoareAnnotationTreeSize, 27 FomulaSimplifications, 655 FormulaSimplificationTreeSizeReduction, 67.4ms HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 45.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 15.8ms SsaConstructionTime, 130.5ms SatisfiabilityAnalysisTime, 201.5ms InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 251.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 3.6ms, AutomataDifference: 15.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 48.8ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 127 SDtfs, 33 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 45 NumberOfFragments, 45 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 22.9ms HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 22.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 7.4ms SsaConstructionTime, 42.2ms SatisfiabilityAnalysisTime, 77.1ms InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 167.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 2.1ms, AutomataDifference: 10.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 53.6ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 127 SDtfs, 33 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 27 LocationsWithAnnotation, 27 PreInvPairs, 38 NumberOfFragments, 45 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 26.2ms HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 25.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 4.7ms SsaConstructionTime, 20.4ms SatisfiabilityAnalysisTime, 38.2ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 && pumpRunning == 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && \result == 0) && pumpRunning == 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-07-05 09:53:55,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...