./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product34.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_product34.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 71e8f27c3ba4176f5af8e2d76855bfc0208f8e20 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:45:25,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 08:45:25,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 08:45:25,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 08:45:25,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 08:45:25,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 08:45:25,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 08:45:25,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 08:45:25,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 08:45:25,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 08:45:25,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 08:45:25,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 08:45:25,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 08:45:25,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 08:45:25,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 08:45:25,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 08:45:25,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 08:45:25,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 08:45:25,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 08:45:25,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 08:45:25,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 08:45:25,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 08:45:25,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 08:45:25,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 08:45:25,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 08:45:25,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 08:45:25,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 08:45:25,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 08:45:25,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 08:45:25,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 08:45:25,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 08:45:25,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 08:45:25,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 08:45:25,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 08:45:25,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 08:45:25,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 08:45:25,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 08:45:25,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 08:45:25,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 08:45:25,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 08:45:25,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 08:45:25,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 08:45:25,540 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 08:45:25,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 08:45:25,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 08:45:25,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 08:45:25,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 08:45:25,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 08:45:25,542 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 08:45:25,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 08:45:25,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 08:45:25,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 08:45:25,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 08:45:25,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 08:45:25,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 08:45:25,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 08:45:25,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 08:45:25,545 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 08:45:25,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 08:45:25,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 08:45:25,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 08:45:25,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 08:45:25,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 08:45:25,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 08:45:25,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:25,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 08:45:25,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 08:45:25,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 08:45:25,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 08:45:25,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 08:45:25,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 08:45:25,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 08:45:25,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e8f27c3ba4176f5af8e2d76855bfc0208f8e20 [2021-08-26 08:45:25,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 08:45:25,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 08:45:25,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 08:45:25,821 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 08:45:25,822 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 08:45:25,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-08-26 08:45:25,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872be936d/695556b8be9748928035ec1d8c819235/FLAG70f28518f [2021-08-26 08:45:26,248 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 08:45:26,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2021-08-26 08:45:26,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872be936d/695556b8be9748928035ec1d8c819235/FLAG70f28518f [2021-08-26 08:45:26,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/872be936d/695556b8be9748928035ec1d8c819235 [2021-08-26 08:45:26,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 08:45:26,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 08:45:26,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:26,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 08:45:26,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 08:45:26,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:26,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34161956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26, skipping insertion in model container [2021-08-26 08:45:26,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:26,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 08:45:26,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 08:45:26,790 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_product34.cil.c[1817,1830] [2021-08-26 08:45:26,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:26,907 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 08:45:26,924 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_product34.cil.c[1817,1830] [2021-08-26 08:45:26,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 08:45:26,992 INFO L208 MainTranslator]: Completed translation [2021-08-26 08:45:26,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26 WrapperNode [2021-08-26 08:45:26,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 08:45:26,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:26,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 08:45:26,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 08:45:27,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 08:45:27,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 08:45:27,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 08:45:27,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 08:45:27,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 08:45:27,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 08:45:27,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 08:45:27,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 08:45:27,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (1/1) ... [2021-08-26 08:45:27,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 08:45:27,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:27,093 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 08:45:27,100 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 08:45:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 08:45:27,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 08:45:27,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 08:45:27,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 08:45:27,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 08:45:27,834 INFO L299 CfgBuilder]: Removed 112 assume(true) statements. [2021-08-26 08:45:27,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:27 BoogieIcfgContainer [2021-08-26 08:45:27,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 08:45:27,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 08:45:27,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 08:45:27,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 08:45:27,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 08:45:26" (1/3) ... [2021-08-26 08:45:27,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529748a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:27, skipping insertion in model container [2021-08-26 08:45:27,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 08:45:26" (2/3) ... [2021-08-26 08:45:27,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529748a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 08:45:27, skipping insertion in model container [2021-08-26 08:45:27,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:27" (3/3) ... [2021-08-26 08:45:27,843 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2021-08-26 08:45:27,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 08:45:27,847 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-26 08:45:27,888 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 08:45:27,894 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 08:45:27,895 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-26 08:45:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 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 08:45:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-26 08:45:27,913 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:27,914 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 08:45:27,914 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 08:45:27,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:27,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1820159384, now seen corresponding path program 1 times [2021-08-26 08:45:27,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:27,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123350737] [2021-08-26 08:45:27,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:27,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,139 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 08:45:28,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123350737] [2021-08-26 08:45:28,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123350737] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:28,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314884400] [2021-08-26 08:45:28,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 08:45:28,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 08:45:28,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 08:45:28,167 INFO L87 Difference]: Start difference. First operand has 87 states, 83 states have (on average 1.5542168674698795) internal successors, (129), 86 states have internal predecessors, (129), 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 08:45:28,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,194 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-08-26 08:45:28,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 08:45:28,195 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 08:45:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,202 INFO L225 Difference]: With dead ends: 167 [2021-08-26 08:45:28,203 INFO L226 Difference]: Without dead ends: 83 [2021-08-26 08:45:28,205 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 08:45:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-08-26 08:45:28,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-08-26 08:45:28,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.4625) internal successors, (117), 82 states have internal predecessors, (117), 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 08:45:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-08-26 08:45:28,236 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-08-26 08:45:28,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,237 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-08-26 08:45:28,237 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 08:45:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-08-26 08:45:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-26 08:45:28,239 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,239 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 08:45:28,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 08:45:28,240 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 08:45:28,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,242 INFO L82 PathProgramCache]: Analyzing trace with hash -14139831, now seen corresponding path program 1 times [2021-08-26 08:45:28,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696249524] [2021-08-26 08:45:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,344 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 08:45:28,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696249524] [2021-08-26 08:45:28,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696249524] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 08:45:28,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939269013] [2021-08-26 08:45:28,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:28,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:28,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,347 INFO L87 Difference]: Start difference. First operand 83 states and 117 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 08:45:28,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,353 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-08-26 08:45:28,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:28,354 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 08:45:28,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,354 INFO L225 Difference]: With dead ends: 83 [2021-08-26 08:45:28,354 INFO L226 Difference]: Without dead ends: 38 [2021-08-26 08:45:28,355 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-08-26 08:45:28,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-08-26 08:45:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 37 states have internal predecessors, (53), 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 08:45:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-08-26 08:45:28,358 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-08-26 08:45:28,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,359 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-08-26 08:45:28,359 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 08:45:28,359 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-08-26 08:45:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 08:45:28,360 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,360 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 08:45:28,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 08:45:28,360 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 08:45:28,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1021335289, now seen corresponding path program 1 times [2021-08-26 08:45:28,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276004781] [2021-08-26 08:45:28,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,425 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 08:45:28,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276004781] [2021-08-26 08:45:28,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276004781] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:28,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881081265] [2021-08-26 08:45:28,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:28,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:28,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:28,432 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 08:45:28,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,477 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-08-26 08:45:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 08:45:28,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 08:45:28,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,486 INFO L225 Difference]: With dead ends: 69 [2021-08-26 08:45:28,487 INFO L226 Difference]: Without dead ends: 38 [2021-08-26 08:45:28,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:28,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-08-26 08:45:28,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-08-26 08:45:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 37 states have internal predecessors, (52), 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 08:45:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-08-26 08:45:28,493 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-08-26 08:45:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,493 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-08-26 08:45:28,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 08:45:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-08-26 08:45:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-08-26 08:45:28,495 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,495 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 08:45:28,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-26 08:45:28,495 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 08:45:28,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1742927995, now seen corresponding path program 1 times [2021-08-26 08:45:28,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13940691] [2021-08-26 08:45:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,563 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 08:45:28,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13940691] [2021-08-26 08:45:28,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13940691] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:28,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320517939] [2021-08-26 08:45:28,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:28,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:28,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,566 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand has 3 states, 3 states have (on average 9.0) 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) [2021-08-26 08:45:28,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,582 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-08-26 08:45:28,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:28,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) 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 [2021-08-26 08:45:28,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,583 INFO L225 Difference]: With dead ends: 93 [2021-08-26 08:45:28,584 INFO L226 Difference]: Without dead ends: 62 [2021-08-26 08:45:28,584 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 08:45:28,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-08-26 08:45:28,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-08-26 08:45:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 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 08:45:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-08-26 08:45:28,598 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-08-26 08:45:28,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,598 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-08-26 08:45:28,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) 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) [2021-08-26 08:45:28,599 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-08-26 08:45:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:45:28,599 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,599 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, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-26 08:45:28,600 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1221487882, now seen corresponding path program 1 times [2021-08-26 08:45:28,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873391491] [2021-08-26 08:45:28,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,653 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 08:45:28,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,653 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873391491] [2021-08-26 08:45:28,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873391491] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-26 08:45:28,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729862817] [2021-08-26 08:45:28,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:28,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:28,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:28,655 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 08:45:28,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,691 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-08-26 08:45:28,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 08:45:28,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-08-26 08:45:28,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,692 INFO L225 Difference]: With dead ends: 157 [2021-08-26 08:45:28,693 INFO L226 Difference]: Without dead ends: 104 [2021-08-26 08:45:28,693 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:28,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-08-26 08:45:28,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-08-26 08:45:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 62 states have internal predecessors, (86), 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 08:45:28,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-08-26 08:45:28,697 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-08-26 08:45:28,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,698 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-08-26 08:45:28,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 08:45:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-08-26 08:45:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:45:28,699 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,699 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, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-26 08:45:28,699 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,700 INFO L82 PathProgramCache]: Analyzing trace with hash -2140015705, now seen corresponding path program 1 times [2021-08-26 08:45:28,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771485057] [2021-08-26 08:45:28,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,737 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 08:45:28,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771485057] [2021-08-26 08:45:28,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771485057] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-26 08:45:28,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029929912] [2021-08-26 08:45:28,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 08:45:28,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 08:45:28,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 08:45:28,739 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 08:45:28,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,796 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-08-26 08:45:28,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-26 08:45:28,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-08-26 08:45:28,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,798 INFO L225 Difference]: With dead ends: 216 [2021-08-26 08:45:28,798 INFO L226 Difference]: Without dead ends: 160 [2021-08-26 08:45:28,798 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 24.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-26 08:45:28,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-08-26 08:45:28,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-08-26 08:45:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.360655737704918) internal successors, (83), 61 states have internal predecessors, (83), 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 08:45:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-08-26 08:45:28,803 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-08-26 08:45:28,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,804 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-08-26 08:45:28,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 08:45:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-08-26 08:45:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:45:28,805 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,805 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, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-26 08:45:28,805 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1922552460, now seen corresponding path program 1 times [2021-08-26 08:45:28,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445363421] [2021-08-26 08:45:28,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,860 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 08:45:28,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445363421] [2021-08-26 08:45:28,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445363421] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:28,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303864760] [2021-08-26 08:45:28,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 08:45:28,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 08:45:28,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-26 08:45:28,863 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 08:45:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,904 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2021-08-26 08:45:28,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:28,905 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 33 [2021-08-26 08:45:28,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,905 INFO L225 Difference]: With dead ends: 164 [2021-08-26 08:45:28,905 INFO L226 Difference]: Without dead ends: 109 [2021-08-26 08:45:28,906 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:45:28,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-08-26 08:45:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2021-08-26 08:45:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 63 states have internal predecessors, (85), 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 08:45:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-08-26 08:45:28,918 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-08-26 08:45:28,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,918 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-08-26 08:45:28,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 08:45:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-08-26 08:45:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-26 08:45:28,921 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,921 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, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 08:45:28,921 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1335746446, now seen corresponding path program 1 times [2021-08-26 08:45:28,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188326868] [2021-08-26 08:45:28,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:28,964 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 08:45:28,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:28,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188326868] [2021-08-26 08:45:28,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188326868] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:28,965 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:28,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 08:45:28,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058182600] [2021-08-26 08:45:28,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 08:45:28,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:28,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 08:45:28,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,967 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 08:45:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:28,984 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2021-08-26 08:45:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 08:45:28,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-08-26 08:45:28,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:28,985 INFO L225 Difference]: With dead ends: 148 [2021-08-26 08:45:28,985 INFO L226 Difference]: Without dead ends: 91 [2021-08-26 08:45:28,988 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 08:45:28,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-08-26 08:45:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-08-26 08:45:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3111111111111111) internal successors, (118), 90 states have internal predecessors, (118), 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 08:45:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-08-26 08:45:28,996 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2021-08-26 08:45:28,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:28,996 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-08-26 08:45:28,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 08:45:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-08-26 08:45:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 08:45:28,997 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:28,997 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, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:28,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-26 08:45:28,998 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:28,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:28,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1064588722, now seen corresponding path program 1 times [2021-08-26 08:45:28,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:28,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439982987] [2021-08-26 08:45:28,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:28,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,063 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 08:45:29,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439982987] [2021-08-26 08:45:29,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439982987] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 08:45:29,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 08:45:29,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-26 08:45:29,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407973666] [2021-08-26 08:45:29,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-26 08:45:29,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-26 08:45:29,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-08-26 08:45:29,065 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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 08:45:29,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,262 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2021-08-26 08:45:29,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-26 08:45:29,262 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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 34 [2021-08-26 08:45:29,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,264 INFO L225 Difference]: With dead ends: 420 [2021-08-26 08:45:29,264 INFO L226 Difference]: Without dead ends: 363 [2021-08-26 08:45:29,266 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 69.0ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-08-26 08:45:29,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-08-26 08:45:29,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2021-08-26 08:45:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3181818181818181) internal successors, (203), 154 states have internal predecessors, (203), 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 08:45:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2021-08-26 08:45:29,281 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2021-08-26 08:45:29,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,283 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2021-08-26 08:45:29,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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 08:45:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-08-26 08:45:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-26 08:45:29,286 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 08:45:29,287 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 08:45:29,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-26 08:45:29,287 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 08:45:29,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 08:45:29,287 INFO L82 PathProgramCache]: Analyzing trace with hash 160053225, now seen corresponding path program 1 times [2021-08-26 08:45:29,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 08:45:29,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539583900] [2021-08-26 08:45:29,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 08:45:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 08:45:29,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539583900] [2021-08-26 08:45:29,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539583900] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:29,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191375153] [2021-08-26 08:45:29,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 08:45:29,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 08:45:29,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 08:45:29,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 08:45:29,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 08:45:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 08:45:29,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 08:45:29,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 08:45:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 08:45:29,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191375153] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 08:45:29,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 08:45:29,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-08-26 08:45:29,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64248814] [2021-08-26 08:45:29,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-26 08:45:29,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 08:45:29,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-26 08:45:29,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-08-26 08:45:29,673 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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) [2021-08-26 08:45:29,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 08:45:29,960 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2021-08-26 08:45:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-26 08:45:29,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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) Word has length 51 [2021-08-26 08:45:29,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 08:45:29,961 INFO L225 Difference]: With dead ends: 282 [2021-08-26 08:45:29,961 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 08:45:29,962 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 66.8ms TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-08-26 08:45:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 08:45:29,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 08:45:29,962 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 08:45:29,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 08:45:29,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-08-26 08:45:29,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 08:45:29,963 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 08:45:29,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 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) [2021-08-26 08:45:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 08:45:29,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 08:45:29,965 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:29,966 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:29,966 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 08:45:29,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 08:45:30,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-26 08:45:30,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 08:45:30,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:30,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 08:45:31,490 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 934) no Hoare annotation was computed. [2021-08-26 08:45:31,490 INFO L860 garLoopResultBuilder]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2021-08-26 08:45:31,490 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-08-26 08:45:31,490 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,491 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 612) no Hoare annotation was computed. [2021-08-26 08:45:31,491 INFO L853 garLoopResultBuilder]: At program point L649(lines 649 655) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse6 .cse0 .cse7 .cse2 .cse8 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse8 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse8 .cse4 .cse5))) [2021-08-26 08:45:31,491 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 649 655) the Hoare annotation is: false [2021-08-26 08:45:31,491 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 649 655) the Hoare annotation is: false [2021-08-26 08:45:31,491 INFO L853 garLoopResultBuilder]: At program point L550(lines 541 554) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4))) [2021-08-26 08:45:31,491 INFO L853 garLoopResultBuilder]: At program point L550-1(lines 541 554) the Hoare annotation is: false [2021-08-26 08:45:31,491 INFO L853 garLoopResultBuilder]: At program point L550-2(lines 541 554) the Hoare annotation is: false [2021-08-26 08:45:31,491 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-08-26 08:45:31,492 INFO L857 garLoopResultBuilder]: For program point L468-3(lines 468 472) no Hoare annotation was computed. [2021-08-26 08:45:31,492 INFO L853 garLoopResultBuilder]: At program point L782(lines 767 785) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (= ~waterLevel~0 1) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4))) [2021-08-26 08:45:31,492 INFO L857 garLoopResultBuilder]: For program point L468-6(lines 468 472) no Hoare annotation was computed. [2021-08-26 08:45:31,492 INFO L853 garLoopResultBuilder]: At program point L782-1(lines 767 785) the Hoare annotation is: false [2021-08-26 08:45:31,492 INFO L853 garLoopResultBuilder]: At program point L782-2(lines 767 785) the Hoare annotation is: false [2021-08-26 08:45:31,492 INFO L853 garLoopResultBuilder]: At program point L617(lines 568 618) the Hoare annotation is: false [2021-08-26 08:45:31,492 INFO L853 garLoopResultBuilder]: At program point L801(lines 796 803) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:31,492 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,492 INFO L857 garLoopResultBuilder]: For program point L570(lines 569 616) no Hoare annotation was computed. [2021-08-26 08:45:31,492 INFO L853 garLoopResultBuilder]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse7 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse3 .cse10 .cse6 (= ~waterLevel~0 1) .cse8) (and .cse1 .cse9 .cse2 .cse3 .cse10 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse8))) [2021-08-26 08:45:31,492 INFO L853 garLoopResultBuilder]: At program point L537-1(lines 532 540) the Hoare annotation is: false [2021-08-26 08:45:31,493 INFO L853 garLoopResultBuilder]: At program point L537-2(lines 532 540) the Hoare annotation is: false [2021-08-26 08:45:31,493 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:31,493 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-08-26 08:45:31,493 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-08-26 08:45:31,493 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2021-08-26 08:45:31,493 INFO L853 garLoopResultBuilder]: At program point L589-1(lines 589 595) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse7 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse7 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse7 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse3 .cse4))) [2021-08-26 08:45:31,493 INFO L860 garLoopResultBuilder]: At program point L936(lines 917 939) the Hoare annotation is: true [2021-08-26 08:45:31,493 INFO L853 garLoopResultBuilder]: At program point L903(lines 899 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:31,494 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,494 INFO L857 garLoopResultBuilder]: For program point L607(lines 607 611) no Hoare annotation was computed. [2021-08-26 08:45:31,494 INFO L853 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse7 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse7 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse7 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse3 .cse4))) [2021-08-26 08:45:31,494 INFO L857 garLoopResultBuilder]: For program point L822(lines 822 839) no Hoare annotation was computed. [2021-08-26 08:45:31,494 INFO L853 garLoopResultBuilder]: At program point L822-1(lines 1 939) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse4 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6 2)) (.cse11 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse3 .cse7 (= ~waterLevel~0 1) .cse10) (and .cse0 .cse1 .cse3 .cse6 .cse7 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse10))) [2021-08-26 08:45:31,494 INFO L853 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: false [2021-08-26 08:45:31,494 INFO L857 garLoopResultBuilder]: For program point L822-2(lines 822 839) no Hoare annotation was computed. [2021-08-26 08:45:31,494 INFO L853 garLoopResultBuilder]: At program point L822-3(lines 1 939) the Hoare annotation is: false [2021-08-26 08:45:31,495 INFO L857 garLoopResultBuilder]: For program point L822-4(lines 822 839) no Hoare annotation was computed. [2021-08-26 08:45:31,495 INFO L853 garLoopResultBuilder]: At program point L822-5(lines 1 939) the Hoare annotation is: false [2021-08-26 08:45:31,495 INFO L857 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-08-26 08:45:31,495 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 691) no Hoare annotation was computed. [2021-08-26 08:45:31,495 INFO L857 garLoopResultBuilder]: For program point L674-1(lines 674 691) no Hoare annotation was computed. [2021-08-26 08:45:31,495 INFO L857 garLoopResultBuilder]: For program point L674-2(lines 674 691) no Hoare annotation was computed. [2021-08-26 08:45:31,495 INFO L857 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2021-08-26 08:45:31,495 INFO L853 garLoopResultBuilder]: At program point L642(lines 638 660) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse2 .cse5 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse5 .cse3 .cse4))) [2021-08-26 08:45:31,496 INFO L853 garLoopResultBuilder]: At program point L642-1(lines 638 660) the Hoare annotation is: false [2021-08-26 08:45:31,496 INFO L853 garLoopResultBuilder]: At program point L642-2(lines 638 660) the Hoare annotation is: false [2021-08-26 08:45:31,496 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 08:45:31,496 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-08-26 08:45:31,496 INFO L857 garLoopResultBuilder]: For program point L776(lines 776 780) no Hoare annotation was computed. [2021-08-26 08:45:31,496 INFO L857 garLoopResultBuilder]: For program point L776-2(lines 776 780) no Hoare annotation was computed. [2021-08-26 08:45:31,496 INFO L857 garLoopResultBuilder]: For program point L776-3(lines 776 780) no Hoare annotation was computed. [2021-08-26 08:45:31,496 INFO L857 garLoopResultBuilder]: For program point L776-5(lines 776 780) no Hoare annotation was computed. [2021-08-26 08:45:31,496 INFO L857 garLoopResultBuilder]: For program point L776-6(lines 776 780) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L776-8(lines 776 780) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L545-2(lines 545 551) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 836) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L859-1(lines 859 863) no Hoare annotation was computed. [2021-08-26 08:45:31,497 INFO L857 garLoopResultBuilder]: For program point L826-2(lines 826 836) no Hoare annotation was computed. [2021-08-26 08:45:31,498 INFO L853 garLoopResultBuilder]: At program point L727(lines 722 730) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse9 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ULTIMATE.start_main_~tmp~7 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse2 .cse4 .cse5 .cse6 .cse9 .cse7) (and .cse8 .cse0 .cse4 .cse5 .cse6 .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse6 (= ~waterLevel~0 1) .cse7))) [2021-08-26 08:45:31,498 INFO L853 garLoopResultBuilder]: At program point L727-1(lines 722 730) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse2 (= ~waterLevel~0 1) .cse3) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse3))) [2021-08-26 08:45:31,498 INFO L857 garLoopResultBuilder]: For program point L826-4(lines 826 836) no Hoare annotation was computed. [2021-08-26 08:45:31,498 INFO L853 garLoopResultBuilder]: At program point L727-2(lines 722 730) the Hoare annotation is: false [2021-08-26 08:45:31,498 INFO L853 garLoopResultBuilder]: At program point L727-3(lines 722 730) the Hoare annotation is: false [2021-08-26 08:45:31,498 INFO L853 garLoopResultBuilder]: At program point L727-4(lines 722 730) the Hoare annotation is: false [2021-08-26 08:45:31,498 INFO L853 garLoopResultBuilder]: At program point L727-5(lines 722 730) the Hoare annotation is: false [2021-08-26 08:45:31,498 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 686) no Hoare annotation was computed. [2021-08-26 08:45:31,499 INFO L857 garLoopResultBuilder]: For program point L678-1(lines 678 686) no Hoare annotation was computed. [2021-08-26 08:45:31,499 INFO L857 garLoopResultBuilder]: For program point L678-2(lines 678 686) no Hoare annotation was computed. [2021-08-26 08:45:31,499 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-08-26 08:45:31,499 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-08-26 08:45:31,499 INFO L853 garLoopResultBuilder]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse7 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse7 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse7 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse7 .cse3 .cse4))) [2021-08-26 08:45:31,499 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-08-26 08:45:31,499 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 833) no Hoare annotation was computed. [2021-08-26 08:45:31,499 INFO L857 garLoopResultBuilder]: For program point L827-2(lines 827 833) no Hoare annotation was computed. [2021-08-26 08:45:31,499 INFO L857 garLoopResultBuilder]: For program point L827-4(lines 827 833) no Hoare annotation was computed. [2021-08-26 08:45:31,500 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-08-26 08:45:31,500 INFO L857 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-08-26 08:45:31,500 INFO L857 garLoopResultBuilder]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-08-26 08:45:31,500 INFO L853 garLoopResultBuilder]: At program point L811(lines 642 648) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1) .cse6))) [2021-08-26 08:45:31,500 INFO L853 garLoopResultBuilder]: At program point L811-1(lines 642 648) the Hoare annotation is: false [2021-08-26 08:45:31,500 INFO L853 garLoopResultBuilder]: At program point L811-2(lines 642 648) the Hoare annotation is: false [2021-08-26 08:45:31,503 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 08:45:31,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 08:45:31 BoogieIcfgContainer [2021-08-26 08:45:31,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 08:45:31,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 08:45:31,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 08:45:31,537 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 08:45:31,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 08:45:27" (3/4) ... [2021-08-26 08:45:31,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 08:45:31,547 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-26 08:45:31,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-26 08:45:31,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-26 08:45:31,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-26 08:45:31,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-26 08:45:31,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:31,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 08:45:31,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:31,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:31,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-08-26 08:45:31,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp <= 2) && !(0 == systemActive)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp <= 2) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-26 08:45:31,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,565 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && tmp == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,566 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-26 08:45:31,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && tmp == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-08-26 08:45:31,567 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-08-26 08:45:31,590 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 08:45:31,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 08:45:31,591 INFO L168 Benchmark]: Toolchain (without parser) took 4964.33 ms. Allocated memory was 60.8 MB in the beginning and 130.0 MB in the end (delta: 69.2 MB). Free memory was 38.5 MB in the beginning and 63.7 MB in the end (delta: -25.2 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:31,591 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 42.5 MB in the beginning and 42.4 MB in the end (delta: 41.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 08:45:31,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.67 ms. Allocated memory is still 60.8 MB. Free memory was 38.3 MB in the beginning and 36.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:31,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.75 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: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:31,592 INFO L168 Benchmark]: Boogie Preprocessor took 20.21 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 31.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:31,592 INFO L168 Benchmark]: RCFGBuilder took 760.80 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 31.4 MB in the beginning and 39.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:31,593 INFO L168 Benchmark]: TraceAbstraction took 3698.15 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 39.7 MB in the beginning and 71.1 MB in the end (delta: -31.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:31,593 INFO L168 Benchmark]: Witness Printer took 53.79 ms. Allocated memory is still 130.0 MB. Free memory was 71.1 MB in the beginning and 63.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-26 08:45:31,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 60.8 MB. Free memory was 42.5 MB in the beginning and 42.4 MB in the end (delta: 41.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.67 ms. Allocated memory is still 60.8 MB. Free memory was 38.3 MB in the beginning and 36.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.75 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: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.21 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 31.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 760.80 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 31.4 MB in the beginning and 39.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3698.15 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 39.7 MB in the beginning and 71.1 MB in the end (delta: -31.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 16.1 GB. * Witness Printer took 53.79 ms. Allocated memory is still 130.0 MB. Free memory was 71.1 MB in the beginning and 63.7 MB in the end (delta: 7.3 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: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: 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, 87 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3616.3ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 17.7ms, AutomataDifference: 785.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1305.6ms, InitialAbstractionConstructionTime: 10.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 777 SDtfs, 1230 SDslu, 1178 SDs, 0 SdLazy, 205 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 393.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 241.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 88.4ms AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 96 NumberOfFragments, 1090 HoareAnnotationTreeSize, 38 FomulaSimplifications, 30377 FormulaSimplificationTreeSizeReduction, 193.9ms HoareSimplificationTime, 38 FomulaSimplificationsInter, 2637 FormulaSimplificationTreeSizeReductionInter, 1102.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 47.5ms SsaConstructionTime, 247.3ms SatisfiabilityAnalysisTime, 653.9ms InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 732 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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: 899]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && tmp == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && tmp == 0) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && !(tmp == 0)) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp <= 2) && !(0 == systemActive)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && 1 < tmp) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && tmp <= 2) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && tmp == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-08-26 08:45:31,629 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...