./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_spec1_product29.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 d8dfaf8ef68175aa3f4082d006a42419867490ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:13:50,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:13:50,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:13:50,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:13:50,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:13:50,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:13:50,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:13:50,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:13:50,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:13:50,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:13:50,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:13:50,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:13:50,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:13:50,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:13:50,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:13:50,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:13:50,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:13:50,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:13:50,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:13:50,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:13:50,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:13:50,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:13:50,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:13:50,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:13:50,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:13:50,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:13:50,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:13:50,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:13:50,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:13:50,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:13:50,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:13:50,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:13:50,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:13:50,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:13:50,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:13:50,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:13:50,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:13:50,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:13:50,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:13:50,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:13:50,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:13:50,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:13:50,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:13:50,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:13:50,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:13:50,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:13:50,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:13:50,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:13:50,455 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:13:50,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:13:50,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:13:50,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:13:50,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:13:50,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:13:50,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:13:50,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:13:50,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:13:50,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:13:50,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:13:50,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:13:50,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:13:50,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:13:50,458 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:13:50,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2021-08-29 16:13:50,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:13:50,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:13:50,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:13:50,747 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:13:50,747 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:13:50,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-08-29 16:13:50,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c722d46b/42f12e07e10b4244a09bc180d51a294a/FLAG911113e32 [2021-08-29 16:13:51,190 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:13:51,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-08-29 16:13:51,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c722d46b/42f12e07e10b4244a09bc180d51a294a/FLAG911113e32 [2021-08-29 16:13:51,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c722d46b/42f12e07e10b4244a09bc180d51a294a [2021-08-29 16:13:51,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:13:51,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:13:51,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:13:51,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:13:51,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:13:51,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:51,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b5b6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51, skipping insertion in model container [2021-08-29 16:13:51,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:51,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:13:51,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:13:51,851 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_spec1_product29.cil.c[17810,17823] [2021-08-29 16:13:51,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:13:51,859 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:13:51,934 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_spec1_product29.cil.c[17810,17823] [2021-08-29 16:13:51,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:13:51,945 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:13:51,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51 WrapperNode [2021-08-29 16:13:51,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:13:51,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:13:51,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:13:51,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:13:51,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:51,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:13:52,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:13:52,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:13:52,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:13:52,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:13:52,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:13:52,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:13:52,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:13:52,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (1/1) ... [2021-08-29 16:13:52,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:13:52,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:13:52,097 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) [2021-08-29 16:13:52,103 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 [2021-08-29 16:13:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:13:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:13:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:13:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:13:52,632 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:13:52,632 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-08-29 16:13:52,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:52 BoogieIcfgContainer [2021-08-29 16:13:52,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:13:52,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:13:52,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:13:52,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:13:52,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:13:51" (1/3) ... [2021-08-29 16:13:52,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e196223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:13:52, skipping insertion in model container [2021-08-29 16:13:52,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:13:51" (2/3) ... [2021-08-29 16:13:52,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e196223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:13:52, skipping insertion in model container [2021-08-29 16:13:52,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:52" (3/3) ... [2021-08-29 16:13:52,640 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2021-08-29 16:13:52,643 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:13:52,643 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:13:52,680 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:13:52,685 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 [2021-08-29 16:13:52,685 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:13:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 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) [2021-08-29 16:13:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:13:52,704 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:52,704 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:52,705 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:52,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:52,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-08-29 16:13:52,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:52,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911325364] [2021-08-29 16:13:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:52,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:52,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:52,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911325364] [2021-08-29 16:13:52,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911325364] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:52,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:52,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:13:52,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373674365] [2021-08-29 16:13:52,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:13:52,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:52,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:13:52,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:13:52,979 INFO L87 Difference]: Start difference. First operand has 105 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 104 states have internal predecessors, (156), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:13:53,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:53,193 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-08-29 16:13:53,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:13:53,196 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-08-29 16:13:53,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:53,203 INFO L225 Difference]: With dead ends: 204 [2021-08-29 16:13:53,203 INFO L226 Difference]: Without dead ends: 101 [2021-08-29 16:13:53,206 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:13:53,208 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.47ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176.30ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:53,209 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 1.47ms Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 176.30ms Time] [2021-08-29 16:13:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-08-29 16:13:53,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-08-29 16:13:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 98 states have (on average 1.469387755102041) internal successors, (144), 100 states have internal predecessors, (144), 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) [2021-08-29 16:13:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-08-29 16:13:53,235 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-08-29 16:13:53,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:53,235 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-08-29 16:13:53,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:13:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-08-29 16:13:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:13:53,236 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:53,236 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:53,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:13:53,236 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:53,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:53,237 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-08-29 16:13:53,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:53,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798155166] [2021-08-29 16:13:53,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:53,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:53,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:53,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798155166] [2021-08-29 16:13:53,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798155166] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:53,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:53,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:13:53,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273360833] [2021-08-29 16:13:53,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:13:53,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:53,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:13:53,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:53,280 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:13:53,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:53,377 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-08-29 16:13:53,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:13:53,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-08-29 16:13:53,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:53,378 INFO L225 Difference]: With dead ends: 101 [2021-08-29 16:13:53,378 INFO L226 Difference]: Without dead ends: 43 [2021-08-29 16:13:53,379 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:53,380 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 54 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.50ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.96ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:53,380 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 0 Invalid, 66 Unknown, 0 Unchecked, 0.50ms Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 81.96ms Time] [2021-08-29 16:13:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-08-29 16:13:53,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-08-29 16:13:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 42 states have internal predecessors, (61), 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) [2021-08-29 16:13:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-08-29 16:13:53,383 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-08-29 16:13:53,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:53,384 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-08-29 16:13:53,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:13:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-08-29 16:13:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:13:53,384 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:53,384 INFO L513 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] [2021-08-29 16:13:53,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:13:53,385 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:53,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:53,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-08-29 16:13:53,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:53,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769514502] [2021-08-29 16:13:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:53,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:53,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:53,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769514502] [2021-08-29 16:13:53,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769514502] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:53,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:53,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:13:53,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83659615] [2021-08-29 16:13:53,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:13:53,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:53,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:13:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:53,422 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-08-29 16:13:53,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:53,489 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-08-29 16:13:53,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:13:53,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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 22 [2021-08-29 16:13:53,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:53,489 INFO L225 Difference]: With dead ends: 80 [2021-08-29 16:13:53,490 INFO L226 Difference]: Without dead ends: 43 [2021-08-29 16:13:53,490 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:13:53,491 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.13ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:53,491 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 0 Invalid, 60 Unknown, 0 Unchecked, 0.37ms Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 62.13ms Time] [2021-08-29 16:13:53,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-08-29 16:13:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-08-29 16:13:53,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 42 states have internal predecessors, (60), 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) [2021-08-29 16:13:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-08-29 16:13:53,507 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-08-29 16:13:53,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:53,507 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-08-29 16:13:53,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-08-29 16:13:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-08-29 16:13:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 16:13:53,508 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:53,508 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:53,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:13:53,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:53,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:53,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-08-29 16:13:53,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:53,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861480575] [2021-08-29 16:13:53,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:53,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:53,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:53,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861480575] [2021-08-29 16:13:53,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861480575] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:53,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:53,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:13:53,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983040397] [2021-08-29 16:13:53,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:13:53,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:53,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:13:53,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:13:53,577 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:13:53,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:53,892 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2021-08-29 16:13:53,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 16:13:53,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 16:13:53,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:53,895 INFO L225 Difference]: With dead ends: 204 [2021-08-29 16:13:53,895 INFO L226 Difference]: Without dead ends: 167 [2021-08-29 16:13:53,895 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.01ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:13:53,902 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 211 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 203.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.62ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 267.44ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:53,903 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 0 Invalid, 391 Unknown, 0 Unchecked, 5.62ms Time], IncrementalHoareTripleChecker [8 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 267.44ms Time] [2021-08-29 16:13:53,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-08-29 16:13:53,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2021-08-29 16:13:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.44) internal successors, (108), 75 states have internal predecessors, (108), 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) [2021-08-29 16:13:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2021-08-29 16:13:53,911 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2021-08-29 16:13:53,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:53,911 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2021-08-29 16:13:53,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:13:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-08-29 16:13:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:13:53,912 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:13:53,912 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:13:53,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:13:53,912 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:13:53,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:13:53,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2021-08-29 16:13:53,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:13:53,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238318639] [2021-08-29 16:13:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:13:53,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:13:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:13:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:13:53,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:13:53,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238318639] [2021-08-29 16:13:53,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238318639] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:13:53,949 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:13:53,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:13:53,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699901780] [2021-08-29 16:13:53,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:13:53,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:13:53,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:13:53,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:13:53,950 INFO L87 Difference]: Start difference. First operand 76 states and 108 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:13:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:13:54,101 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2021-08-29 16:13:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:13:54,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 16:13:54,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:13:54,102 INFO L225 Difference]: With dead ends: 174 [2021-08-29 16:13:54,102 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:13:54,103 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.07ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:13:54,103 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 82 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.71ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.44ms IncrementalHoareTripleChecker+Time [2021-08-29 16:13:54,103 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 0 Invalid, 147 Unknown, 0 Unchecked, 0.71ms Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 133.44ms Time] [2021-08-29 16:13:54,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:13:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:13:54,104 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) [2021-08-29 16:13:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:13:54,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-08-29 16:13:54,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:13:54,104 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:13:54,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 16:13:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:13:54,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:13:54,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:13:54,107 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:13:54,107 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:13:54,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:13:54,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:13:54,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,156 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:13:54,267 INFO L854 garLoopResultBuilder]: At program point L927(lines 922 930) the Hoare annotation is: false [2021-08-29 16:13:54,267 INFO L854 garLoopResultBuilder]: At program point L927-1(lines 922 930) the Hoare annotation is: false [2021-08-29 16:13:54,267 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 865) no Hoare annotation was computed. [2021-08-29 16:13:54,267 INFO L854 garLoopResultBuilder]: At program point L927-2(lines 922 930) the Hoare annotation is: false [2021-08-29 16:13:54,267 INFO L854 garLoopResultBuilder]: At program point L927-3(lines 922 930) the Hoare annotation is: false [2021-08-29 16:13:54,268 INFO L854 garLoopResultBuilder]: At program point L927-4(lines 922 930) the Hoare annotation is: false [2021-08-29 16:13:54,268 INFO L854 garLoopResultBuilder]: At program point L927-5(lines 922 930) the Hoare annotation is: false [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 407) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L861 garLoopResultBuilder]: At program point L400-1(lines 400 407) the Hoare annotation is: true [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236-5(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236-8(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236-9(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,268 INFO L858 garLoopResultBuilder]: For program point L236-11(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,269 INFO L858 garLoopResultBuilder]: For program point L236-12(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,269 INFO L858 garLoopResultBuilder]: For program point L236-14(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,269 INFO L858 garLoopResultBuilder]: For program point L236-15(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,269 INFO L858 garLoopResultBuilder]: For program point L236-17(lines 236 240) no Hoare annotation was computed. [2021-08-29 16:13:54,269 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-08-29 16:13:54,269 INFO L854 garLoopResultBuilder]: At program point L270-1(lines 270 276) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,269 INFO L854 garLoopResultBuilder]: At program point L436(lines 1 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,269 INFO L854 garLoopResultBuilder]: At program point L306(lines 259 307) the Hoare annotation is: false [2021-08-29 16:13:54,269 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-08-29 16:13:54,269 INFO L854 garLoopResultBuilder]: At program point L374(lines 370 376) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,269 INFO L854 garLoopResultBuilder]: At program point L242(lines 227 245) the Hoare annotation is: false [2021-08-29 16:13:54,269 INFO L854 garLoopResultBuilder]: At program point L242-1(lines 227 245) the Hoare annotation is: false [2021-08-29 16:13:54,269 INFO L854 garLoopResultBuilder]: At program point L242-2(lines 227 245) the Hoare annotation is: false [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L242-3(lines 227 245) the Hoare annotation is: false [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L242-4(lines 227 245) the Hoare annotation is: false [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L242-5(lines 227 245) the Hoare annotation is: false [2021-08-29 16:13:54,270 INFO L858 garLoopResultBuilder]: For program point L936(line 936) no Hoare annotation was computed. [2021-08-29 16:13:54,270 INFO L858 garLoopResultBuilder]: For program point L936-1(line 936) no Hoare annotation was computed. [2021-08-29 16:13:54,270 INFO L858 garLoopResultBuilder]: For program point L936-2(line 936) no Hoare annotation was computed. [2021-08-29 16:13:54,270 INFO L861 garLoopResultBuilder]: At program point L409(lines 390 412) the Hoare annotation is: true [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L178(lines 171 181) the Hoare annotation is: false [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L178-1(lines 171 181) the Hoare annotation is: false [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L178-2(lines 171 181) the Hoare annotation is: false [2021-08-29 16:13:54,270 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L444(lines 439 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,270 INFO L858 garLoopResultBuilder]: For program point L280(lines 280 286) no Hoare annotation was computed. [2021-08-29 16:13:54,270 INFO L854 garLoopResultBuilder]: At program point L280-1(lines 280 286) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 134) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 117 134) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L117-2(lines 117 134) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L854 garLoopResultBuilder]: At program point L187(lines 182 190) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,271 INFO L854 garLoopResultBuilder]: At program point L187-1(lines 182 190) the Hoare annotation is: false [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L854 garLoopResultBuilder]: At program point L187-2(lines 182 190) the Hoare annotation is: false [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L121-2(lines 121 129) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L849(lines 849 853) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L849-3(lines 849 853) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L849-6(lines 849 853) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:13:54,271 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L858 garLoopResultBuilder]: For program point L91-3(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L858 garLoopResultBuilder]: For program point L91-4(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L858 garLoopResultBuilder]: For program point L91-5(lines 91 108) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 301) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L854 garLoopResultBuilder]: At program point L59(lines 58 77) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,272 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 59 65) no Hoare annotation was computed. [2021-08-29 16:13:54,272 INFO L854 garLoopResultBuilder]: At program point L59-2(lines 58 77) the Hoare annotation is: false [2021-08-29 16:13:54,272 INFO L854 garLoopResultBuilder]: At program point L59-3(lines 58 77) the Hoare annotation is: false [2021-08-29 16:13:54,272 INFO L854 garLoopResultBuilder]: At program point L886(lines 881 889) the Hoare annotation is: false [2021-08-29 16:13:54,272 INFO L854 garLoopResultBuilder]: At program point L886-1(lines 881 889) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,272 INFO L854 garLoopResultBuilder]: At program point L886-2(lines 881 889) the Hoare annotation is: false [2021-08-29 16:13:54,272 INFO L854 garLoopResultBuilder]: At program point L886-3(lines 881 889) the Hoare annotation is: false [2021-08-29 16:13:54,279 INFO L854 garLoopResultBuilder]: At program point L886-4(lines 881 889) the Hoare annotation is: false [2021-08-29 16:13:54,279 INFO L854 garLoopResultBuilder]: At program point L886-5(lines 881 889) the Hoare annotation is: false [2021-08-29 16:13:54,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:13:54,279 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 471) no Hoare annotation was computed. [2021-08-29 16:13:54,279 INFO L854 garLoopResultBuilder]: At program point L458-1(lines 1 939) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,279 INFO L858 garLoopResultBuilder]: For program point L458-2(lines 458 471) no Hoare annotation was computed. [2021-08-29 16:13:54,279 INFO L854 garLoopResultBuilder]: At program point L458-3(lines 1 939) the Hoare annotation is: false [2021-08-29 16:13:54,279 INFO L858 garLoopResultBuilder]: For program point L458-4(lines 458 471) no Hoare annotation was computed. [2021-08-29 16:13:54,279 INFO L854 garLoopResultBuilder]: At program point L458-5(lines 1 939) the Hoare annotation is: false [2021-08-29 16:13:54,280 INFO L854 garLoopResultBuilder]: At program point L326-2(lines 326 340) the Hoare annotation is: false [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L95-2(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L95-3(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L95-4(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L95-5(lines 95 103) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L261(lines 260 305) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 266) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L296-2(lines 59 65) no Hoare annotation was computed. [2021-08-29 16:13:54,280 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:13:54,281 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 936) no Hoare annotation was computed. [2021-08-29 16:13:54,281 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2021-08-29 16:13:54,281 INFO L858 garLoopResultBuilder]: For program point L462-2(lines 462 468) no Hoare annotation was computed. [2021-08-29 16:13:54,281 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2021-08-29 16:13:54,281 INFO L858 garLoopResultBuilder]: For program point L462-4(lines 462 468) no Hoare annotation was computed. [2021-08-29 16:13:54,281 INFO L858 garLoopResultBuilder]: For program point L330-1(lines 59 65) no Hoare annotation was computed. [2021-08-29 16:13:54,281 INFO L854 garLoopResultBuilder]: At program point L66(lines 66 72) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-08-29 16:13:54,281 INFO L854 garLoopResultBuilder]: At program point L66-1(lines 66 72) the Hoare annotation is: false [2021-08-29 16:13:54,281 INFO L854 garLoopResultBuilder]: At program point L66-2(lines 66 72) the Hoare annotation is: false [2021-08-29 16:13:54,284 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:13:54,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:13:54 BoogieIcfgContainer [2021-08-29 16:13:54,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:13:54,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:13:54,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:13:54,295 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:13:54,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:13:52" (3/4) ... [2021-08-29 16:13:54,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:13:54,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:13:54,306 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:13:54,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:13:54,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:13:54,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:13:54,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:13:54,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:13:54,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-08-29 16:13:54,347 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:13:54,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:13:54,347 INFO L158 Benchmark]: Toolchain (without parser) took 2757.61ms. Allocated memory was 60.8MB in the beginning and 98.6MB in the end (delta: 37.7MB). Free memory was 38.9MB in the beginning and 41.7MB in the end (delta: -2.8MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2021-08-29 16:13:54,347 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:13:54,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.77ms. Allocated memory is still 60.8MB. Free memory was 38.8MB in the beginning and 38.1MB in the end (delta: 676.3kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-08-29 16:13:54,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.99ms. Allocated memory is still 60.8MB. Free memory was 38.1MB in the beginning and 34.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 16:13:54,348 INFO L158 Benchmark]: Boogie Preprocessor took 47.24ms. Allocated memory is still 60.8MB. Free memory was 34.6MB in the beginning and 32.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 16:13:54,348 INFO L158 Benchmark]: RCFGBuilder took 575.47ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 31.9MB in the beginning and 50.4MB in the end (delta: -18.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-08-29 16:13:54,348 INFO L158 Benchmark]: TraceAbstraction took 1659.53ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.0MB in the beginning and 50.2MB in the end (delta: -235.6kB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-08-29 16:13:54,348 INFO L158 Benchmark]: Witness Printer took 52.11ms. Allocated memory is still 98.6MB. Free memory was 50.2MB in the beginning and 41.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 16:13:54,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.77ms. Allocated memory is still 60.8MB. Free memory was 38.8MB in the beginning and 38.1MB in the end (delta: 676.3kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.99ms. Allocated memory is still 60.8MB. Free memory was 38.1MB in the beginning and 34.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.24ms. Allocated memory is still 60.8MB. Free memory was 34.6MB in the beginning and 32.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.47ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 31.9MB in the beginning and 50.4MB in the end (delta: -18.4MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1659.53ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 50.0MB in the beginning and 50.2MB in the end (delta: -235.6kB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 52.11ms. Allocated memory is still 98.6MB. Free memory was 50.2MB in the beginning and 41.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 936]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 936]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 936]: 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, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1605.26ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 10.38ms, AutomataDifference: 903.03ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 159.47ms, InitialAbstractionConstructionTime: 9.98ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 392 SdHoareTripleChecker+Valid, 721.28ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 554.00ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 332 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 802 IncrementalHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 0 mSDtfsCounter, 802 mSolverCounterSat, 8.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 43.17ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 43.13ms AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 832 FormulaSimplificationTreeSizeReduction, 46.01ms HoareSimplificationTime, 42 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 105.48ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 18.44ms SsaConstructionTime, 135.79ms SatisfiabilityAnalysisTime, 198.93ms InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-08-29 16:13:54,385 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...