./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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_spec5_product20.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 27a40004774297289d55c755839f2e0c4b1c44d4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 08:45:20,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:20,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:20,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:20,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:20,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:20,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:20,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:20,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:20,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:20,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:20,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:20,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:20,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:20,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:20,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:20,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:20,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:20,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:20,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:20,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:20,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:20,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:20,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:20,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:20,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:20,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:20,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:20,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:20,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:20,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:20,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:20,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:20,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:20,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:20,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:20,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:20,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:20,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:20,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:20,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:20,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:20,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:20,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:20,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:20,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:20,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:20,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:20,150 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:20,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:20,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:20,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:20,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:20,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:20,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:20,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:20,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:20,152 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:20,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:20,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:20,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:20,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:20,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:20,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:20,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:20,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:20,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:20,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:20,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:20,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:20,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:20,154 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:20,154 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27a40004774297289d55c755839f2e0c4b1c44d4 [2021-08-26 08:45:20,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:20,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:20,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:20,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:20,478 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:20,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2021-08-26 08:45:20,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31962ae95/3fb84358cde44f82b795cfac2f9997e5/FLAGdd4c0bfd3 [2021-08-26 08:45:20,946 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:20,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2021-08-26 08:45:20,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31962ae95/3fb84358cde44f82b795cfac2f9997e5/FLAGdd4c0bfd3 [2021-08-26 08:45:20,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31962ae95/3fb84358cde44f82b795cfac2f9997e5 [2021-08-26 08:45:20,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:20,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:20,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:20,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:20,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:20,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e82717e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:20, skipping insertion in model container [2021-08-26 08:45:20,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:20" (1/1) ... [2021-08-26 08:45:20,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:20,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:21,174 WARN L228 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_spec5_product20.cil.c[13613,13626] [2021-08-26 08:45:21,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:21,214 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:21,252 WARN L228 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_spec5_product20.cil.c[13613,13626] [2021-08-26 08:45:21,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:21,293 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:21,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21 WrapperNode [2021-08-26 08:45:21,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:21,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:21,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:21,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:21,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:21,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:21,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:21,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:21,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:21,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:21,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:21,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:21,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (1/1) ... [2021-08-26 08:45:21,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:21,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:21,416 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) [2021-08-26 08:45:21,427 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 [2021-08-26 08:45:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:22,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:22,229 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-08-26 08:45:22,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:22 BoogieIcfgContainer [2021-08-26 08:45:22,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:22,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:22,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:22,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:22,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:20" (1/3) ... [2021-08-26 08:45:22,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387ad339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:22, skipping insertion in model container [2021-08-26 08:45:22,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:21" (2/3) ... [2021-08-26 08:45:22,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387ad339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:22, skipping insertion in model container [2021-08-26 08:45:22,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:22" (3/3) ... [2021-08-26 08:45:22,237 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2021-08-26 08:45:22,241 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:22,241 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:22,280 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:22,286 INFO L339 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, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 08:45:22,286 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 85 states have internal predecessors, (126), 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) [2021-08-26 08:45:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:22,302 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:22,303 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:22,304 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:22,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:22,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1612153504, now seen corresponding path program 1 times [2021-08-26 08:45:22,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:22,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756375234] [2021-08-26 08:45:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:22,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:22,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:22,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756375234] [2021-08-26 08:45:22,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756375234] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:22,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:22,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:22,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207063967] [2021-08-26 08:45:22,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:22,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:22,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:22,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:22,556 INFO L87 Difference]: Start difference. First operand has 86 states, 82 states have (on average 1.5365853658536586) internal successors, (126), 85 states have internal predecessors, (126), 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 9.5) internal successors, (19), 2 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) [2021-08-26 08:45:22,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:22,583 INFO L93 Difference]: Finished difference Result 165 states and 244 transitions. [2021-08-26 08:45:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:22,584 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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 [2021-08-26 08:45:22,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:22,591 INFO L225 Difference]: With dead ends: 165 [2021-08-26 08:45:22,591 INFO L226 Difference]: Without dead ends: 82 [2021-08-26 08:45:22,593 INFO L781 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 [2021-08-26 08:45:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-08-26 08:45:22,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-08-26 08:45:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 81 states have internal predecessors, (114), 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) [2021-08-26 08:45:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2021-08-26 08:45:22,628 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 19 [2021-08-26 08:45:22,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:22,629 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2021-08-26 08:45:22,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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) [2021-08-26 08:45:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2021-08-26 08:45:22,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:22,631 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:22,631 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:22,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:22,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:22,637 INFO L82 PathProgramCache]: Analyzing trace with hash -697845427, now seen corresponding path program 1 times [2021-08-26 08:45:22,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:22,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695949838] [2021-08-26 08:45:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:22,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:22,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:22,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695949838] [2021-08-26 08:45:22,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695949838] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:22,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:22,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:22,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227520838] [2021-08-26 08:45:22,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:22,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:22,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:22,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:22,750 INFO L87 Difference]: Start difference. First operand 82 states and 114 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-26 08:45:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:22,756 INFO L93 Difference]: Finished difference Result 82 states and 114 transitions. [2021-08-26 08:45:22,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:22,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-08-26 08:45:22,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:22,771 INFO L225 Difference]: With dead ends: 82 [2021-08-26 08:45:22,771 INFO L226 Difference]: Without dead ends: 39 [2021-08-26 08:45:22,772 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:22,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-08-26 08:45:22,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-08-26 08:45:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2021-08-26 08:45:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-08-26 08:45:22,775 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 20 [2021-08-26 08:45:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:22,775 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-08-26 08:45:22,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-08-26 08:45:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-08-26 08:45:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:22,776 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:22,776 INFO L512 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] [2021-08-26 08:45:22,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:22,776 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:22,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:22,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1072512286, now seen corresponding path program 1 times [2021-08-26 08:45:22,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:22,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397364906] [2021-08-26 08:45:22,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:22,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:22,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:22,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397364906] [2021-08-26 08:45:22,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397364906] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:22,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:22,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:22,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790325590] [2021-08-26 08:45:22,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:22,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:22,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:22,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:22,859 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-08-26 08:45:22,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:22,878 INFO L93 Difference]: Finished difference Result 103 states and 148 transitions. [2021-08-26 08:45:22,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:22,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2021-08-26 08:45:22,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:22,879 INFO L225 Difference]: With dead ends: 103 [2021-08-26 08:45:22,879 INFO L226 Difference]: Without dead ends: 71 [2021-08-26 08:45:22,880 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:22,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-08-26 08:45:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 67. [2021-08-26 08:45:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4545454545454546) internal successors, (96), 66 states have internal predecessors, (96), 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) [2021-08-26 08:45:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 96 transitions. [2021-08-26 08:45:22,885 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 96 transitions. Word has length 26 [2021-08-26 08:45:22,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:22,886 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 96 transitions. [2021-08-26 08:45:22,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-08-26 08:45:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2021-08-26 08:45:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 08:45:22,887 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:22,887 INFO L512 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] [2021-08-26 08:45:22,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:22,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:22,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:22,888 INFO L82 PathProgramCache]: Analyzing trace with hash 810824891, now seen corresponding path program 1 times [2021-08-26 08:45:22,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:22,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212046554] [2021-08-26 08:45:22,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:22,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:22,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:22,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212046554] [2021-08-26 08:45:22,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212046554] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:22,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:22,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:22,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455016947] [2021-08-26 08:45:22,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:22,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:22,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:22,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:22,939 INFO L87 Difference]: Start difference. First operand 67 states and 96 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2021-08-26 08:45:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:22,992 INFO L93 Difference]: Finished difference Result 162 states and 238 transitions. [2021-08-26 08:45:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:45:22,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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 [2021-08-26 08:45:22,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:22,993 INFO L225 Difference]: With dead ends: 162 [2021-08-26 08:45:22,993 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:22,996 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:22,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:22,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:22,997 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) [2021-08-26 08:45:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:22,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-08-26 08:45:22,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:22,997 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:22,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2021-08-26 08:45:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:22,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:23,000 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:23,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:23,001 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:23,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:23,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:23,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:23,175 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 597) no Hoare annotation was computed. [2021-08-26 08:45:23,176 INFO L853 garLoopResultBuilder]: At program point L663(lines 659 665) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:45:23,176 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-08-26 08:45:23,176 INFO L857 garLoopResultBuilder]: For program point L597-1(line 597) no Hoare annotation was computed. [2021-08-26 08:45:23,176 INFO L857 garLoopResultBuilder]: For program point L597-2(line 597) no Hoare annotation was computed. [2021-08-26 08:45:23,176 INFO L853 garLoopResultBuilder]: At program point L614-2(lines 614 628) the Hoare annotation is: false [2021-08-26 08:45:23,177 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,177 INFO L860 garLoopResultBuilder]: At program point L697(lines 678 700) the Hoare annotation is: true [2021-08-26 08:45:23,177 INFO L853 garLoopResultBuilder]: At program point L499(lines 494 502) the Hoare annotation is: false [2021-08-26 08:45:23,177 INFO L853 garLoopResultBuilder]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-08-26 08:45:23,177 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-08-26 08:45:23,177 INFO L853 garLoopResultBuilder]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-08-26 08:45:23,177 INFO L857 garLoopResultBuilder]: For program point L615(line 615) no Hoare annotation was computed. [2021-08-26 08:45:23,178 INFO L853 garLoopResultBuilder]: At program point L764(lines 713 765) the Hoare annotation is: false [2021-08-26 08:45:23,178 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 550) no Hoare annotation was computed. [2021-08-26 08:45:23,178 INFO L853 garLoopResultBuilder]: At program point L533-1(lines 1 951) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-08-26 08:45:23,178 INFO L857 garLoopResultBuilder]: For program point L533-2(lines 533 550) no Hoare annotation was computed. [2021-08-26 08:45:23,178 INFO L853 garLoopResultBuilder]: At program point L533-3(lines 1 951) the Hoare annotation is: false [2021-08-26 08:45:23,178 INFO L857 garLoopResultBuilder]: For program point L533-4(lines 533 550) no Hoare annotation was computed. [2021-08-26 08:45:23,179 INFO L853 garLoopResultBuilder]: At program point L533-5(lines 1 951) the Hoare annotation is: false [2021-08-26 08:45:23,179 INFO L857 garLoopResultBuilder]: For program point L715(lines 714 763) no Hoare annotation was computed. [2021-08-26 08:45:23,179 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2021-08-26 08:45:23,179 INFO L857 garLoopResultBuilder]: For program point L618(lines 618 622) no Hoare annotation was computed. [2021-08-26 08:45:23,179 INFO L857 garLoopResultBuilder]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2021-08-26 08:45:23,179 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 740) no Hoare annotation was computed. [2021-08-26 08:45:23,179 INFO L853 garLoopResultBuilder]: At program point L734-1(lines 734 740) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-08-26 08:45:23,180 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2021-08-26 08:45:23,180 INFO L857 garLoopResultBuilder]: For program point L817-1(lines 817 834) no Hoare annotation was computed. [2021-08-26 08:45:23,180 INFO L857 garLoopResultBuilder]: For program point L817-2(lines 817 834) no Hoare annotation was computed. [2021-08-26 08:45:23,180 INFO L857 garLoopResultBuilder]: For program point L933(lines 933 939) no Hoare annotation was computed. [2021-08-26 08:45:23,180 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-08-26 08:45:23,180 INFO L853 garLoopResultBuilder]: At program point L933-1(lines 933 939) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:45:23,180 INFO L857 garLoopResultBuilder]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2021-08-26 08:45:23,181 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,181 INFO L857 garLoopResultBuilder]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2021-08-26 08:45:23,181 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 547) no Hoare annotation was computed. [2021-08-26 08:45:23,181 INFO L857 garLoopResultBuilder]: For program point L537-2(lines 537 547) no Hoare annotation was computed. [2021-08-26 08:45:23,181 INFO L857 garLoopResultBuilder]: For program point L537-4(lines 537 547) no Hoare annotation was computed. [2021-08-26 08:45:23,181 INFO L853 garLoopResultBuilder]: At program point L785(lines 781 803) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,181 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 758) no Hoare annotation was computed. [2021-08-26 08:45:23,182 INFO L853 garLoopResultBuilder]: At program point L785-1(lines 781 803) the Hoare annotation is: false [2021-08-26 08:45:23,182 INFO L853 garLoopResultBuilder]: At program point L752-1(lines 1 951) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-08-26 08:45:23,182 INFO L853 garLoopResultBuilder]: At program point L785-2(lines 781 803) the Hoare annotation is: false [2021-08-26 08:45:23,182 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 544) no Hoare annotation was computed. [2021-08-26 08:45:23,182 INFO L857 garLoopResultBuilder]: For program point L538-2(lines 538 544) no Hoare annotation was computed. [2021-08-26 08:45:23,182 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 597) no Hoare annotation was computed. [2021-08-26 08:45:23,182 INFO L857 garLoopResultBuilder]: For program point L538-4(lines 538 544) no Hoare annotation was computed. [2021-08-26 08:45:23,183 INFO L853 garLoopResultBuilder]: At program point L588(lines 583 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:45:23,183 INFO L853 garLoopResultBuilder]: At program point L522(lines 785 791) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,183 INFO L853 garLoopResultBuilder]: At program point L522-1(lines 785 791) the Hoare annotation is: false [2021-08-26 08:45:23,183 INFO L853 garLoopResultBuilder]: At program point L522-2(lines 785 791) the Hoare annotation is: false [2021-08-26 08:45:23,183 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-08-26 08:45:23,183 INFO L857 garLoopResultBuilder]: For program point L919-2(lines 919 923) no Hoare annotation was computed. [2021-08-26 08:45:23,183 INFO L857 garLoopResultBuilder]: For program point L919-3(lines 919 923) no Hoare annotation was computed. [2021-08-26 08:45:23,184 INFO L857 garLoopResultBuilder]: For program point L919-5(lines 919 923) no Hoare annotation was computed. [2021-08-26 08:45:23,184 INFO L857 garLoopResultBuilder]: For program point L919-6(lines 919 923) no Hoare annotation was computed. [2021-08-26 08:45:23,184 INFO L857 garLoopResultBuilder]: For program point L688(lines 688 695) no Hoare annotation was computed. [2021-08-26 08:45:23,184 INFO L857 garLoopResultBuilder]: For program point L919-8(lines 919 923) no Hoare annotation was computed. [2021-08-26 08:45:23,184 INFO L860 garLoopResultBuilder]: At program point L688-1(lines 688 695) the Hoare annotation is: true [2021-08-26 08:45:23,184 INFO L853 garLoopResultBuilder]: At program point L490(lines 485 493) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,184 INFO L853 garLoopResultBuilder]: At program point L490-1(lines 485 493) the Hoare annotation is: false [2021-08-26 08:45:23,185 INFO L853 garLoopResultBuilder]: At program point L490-2(lines 485 493) the Hoare annotation is: false [2021-08-26 08:45:23,185 INFO L853 garLoopResultBuilder]: At program point L870(lines 865 873) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,185 INFO L853 garLoopResultBuilder]: At program point L870-1(lines 865 873) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,185 INFO L853 garLoopResultBuilder]: At program point L870-2(lines 865 873) the Hoare annotation is: false [2021-08-26 08:45:23,185 INFO L853 garLoopResultBuilder]: At program point L870-3(lines 865 873) the Hoare annotation is: false [2021-08-26 08:45:23,185 INFO L853 garLoopResultBuilder]: At program point L870-4(lines 865 873) the Hoare annotation is: false [2021-08-26 08:45:23,185 INFO L853 garLoopResultBuilder]: At program point L870-5(lines 865 873) the Hoare annotation is: false [2021-08-26 08:45:23,186 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,186 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2021-08-26 08:45:23,186 INFO L857 garLoopResultBuilder]: For program point L821-1(lines 821 829) no Hoare annotation was computed. [2021-08-26 08:45:23,186 INFO L857 garLoopResultBuilder]: For program point L821-2(lines 821 829) no Hoare annotation was computed. [2021-08-26 08:45:23,186 INFO L857 garLoopResultBuilder]: For program point L724(lines 724 730) no Hoare annotation was computed. [2021-08-26 08:45:23,186 INFO L853 garLoopResultBuilder]: At program point L724-1(lines 724 730) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 1 ~systemActive~0)) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)))) [2021-08-26 08:45:23,186 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:23,187 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-08-26 08:45:23,187 INFO L853 garLoopResultBuilder]: At program point L792(lines 792 798) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-08-26 08:45:23,187 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 597) no Hoare annotation was computed. [2021-08-26 08:45:23,187 INFO L853 garLoopResultBuilder]: At program point L792-1(lines 792 798) the Hoare annotation is: false [2021-08-26 08:45:23,187 INFO L853 garLoopResultBuilder]: At program point L792-2(lines 792 798) the Hoare annotation is: false [2021-08-26 08:45:23,187 INFO L853 garLoopResultBuilder]: At program point L512(lines 507 514) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:45:23,187 INFO L853 garLoopResultBuilder]: At program point L925(lines 910 928) the Hoare annotation is: false [2021-08-26 08:45:23,188 INFO L853 garLoopResultBuilder]: At program point L925-1(lines 910 928) the Hoare annotation is: false [2021-08-26 08:45:23,188 INFO L853 garLoopResultBuilder]: At program point L925-2(lines 910 928) the Hoare annotation is: false [2021-08-26 08:45:23,188 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 759) no Hoare annotation was computed. [2021-08-26 08:45:23,188 INFO L853 garLoopResultBuilder]: At program point L580(lines 1 951) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-26 08:45:23,191 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:23,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:23 BoogieIcfgContainer [2021-08-26 08:45:23,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:23,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:23,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:23,202 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:23,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:22" (3/4) ... [2021-08-26 08:45:23,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:23,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:23,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:23,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:23,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:23,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:23,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:23,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:23,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-08-26 08:45:23,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-08-26 08:45:23,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) [2021-08-26 08:45:23,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-08-26 08:45:23,254 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:23,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:23,256 INFO L168 Benchmark]: Toolchain (without parser) took 2290.51 ms. Allocated memory was 60.8 MB in the beginning and 104.9 MB in the end (delta: 44.0 MB). Free memory was 39.1 MB in the beginning and 52.1 MB in the end (delta: -12.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,256 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:23,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.33 ms. Allocated memory is still 60.8 MB. Free memory was 38.9 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.36 ms. Allocated memory is still 60.8 MB. Free memory was 36.7 MB in the beginning and 33.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,257 INFO L168 Benchmark]: Boogie Preprocessor took 26.87 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 31.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,257 INFO L168 Benchmark]: RCFGBuilder took 861.44 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 31.4 MB in the beginning and 47.8 MB in the end (delta: -16.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,257 INFO L168 Benchmark]: TraceAbstraction took 969.80 ms. Allocated memory was 75.5 MB in the beginning and 104.9 MB in the end (delta: 29.4 MB). Free memory was 47.4 MB in the beginning and 58.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,258 INFO L168 Benchmark]: Witness Printer took 52.71 ms. Allocated memory is still 104.9 MB. Free memory was 58.7 MB in the beginning and 52.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:23,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory was 43.4 MB in the beginning and 43.3 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.33 ms. Allocated memory is still 60.8 MB. Free memory was 38.9 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.36 ms. Allocated memory is still 60.8 MB. Free memory was 36.7 MB in the beginning and 33.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.87 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 31.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 861.44 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 31.4 MB in the beginning and 47.8 MB in the end (delta: -16.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 969.80 ms. Allocated memory was 75.5 MB in the beginning and 104.9 MB in the end (delta: 29.4 MB). Free memory was 47.4 MB in the beginning and 58.7 MB in the end (delta: -11.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Witness Printer took 52.71 ms. Allocated memory is still 104.9 MB. Free memory was 58.7 MB in the beginning and 52.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 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 - PositiveResult [Line: 597]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 597]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 597]: 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 CFG has 1 procedures, 86 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 912.3ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 9.6ms, AutomataDifference: 150.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 173.1ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 294 SDtfs, 162 SDslu, 121 SDs, 0 SdLazy, 31 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred 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: 35.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 85 NumberOfFragments, 189 HoareAnnotationTreeSize, 39 FomulaSimplifications, 437 FormulaSimplificationTreeSizeReduction, 70.2ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 93.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 28.6ms SsaConstructionTime, 144.0ms SatisfiabilityAnalysisTime, 226.0ms InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:23,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...