./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD --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 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:58:04,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:58:04,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:58:04,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:58:04,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:58:04,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:58:04,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:58:04,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:58:04,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:58:04,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:58:04,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:58:04,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:58:04,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:58:04,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:58:04,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:58:04,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:58:04,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:58:04,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:58:04,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:58:04,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:58:04,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:58:04,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:58:04,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:58:04,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:58:04,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:58:04,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:58:04,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:58:04,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:58:04,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:58:04,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:58:04,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:58:04,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:58:04,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:58:04,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:58:04,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:58:04,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:58:04,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:58:04,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:58:04,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:58:04,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:58:04,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:58:04,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:58:04,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:58:04,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:58:04,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:58:04,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:58:04,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:58:04,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:58:04,250 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:58:04,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:58:04,251 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:58:04,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:58:04,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:58:04,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:58:04,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:58:04,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:58:04,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:58:04,253 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:58:04,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:58:04,254 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:58:04,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:58:04,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:58:04,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:58:04,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:58:04,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:58:04,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:58:04,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:58:04,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:58:04,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:58:04,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:58:04,257 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:58:04,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:58:04,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:58:04,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:58:04,259 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2021-10-28 22:58:04,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:58:04,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:58:04,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:58:04,658 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:58:04,659 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:58:04,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-28 22:58:04,744 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/data/cf995a717/9e1c0a00103f4ff6adce0d6c309b3335/FLAG95cc629db [2021-10-28 22:58:05,559 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:58:05,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-10-28 22:58:05,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/data/cf995a717/9e1c0a00103f4ff6adce0d6c309b3335/FLAG95cc629db [2021-10-28 22:58:05,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/data/cf995a717/9e1c0a00103f4ff6adce0d6c309b3335 [2021-10-28 22:58:05,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:58:05,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:58:05,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:58:05,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:58:05,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:58:05,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:58:05" (1/1) ... [2021-10-28 22:58:05,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbafc80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:05, skipping insertion in model container [2021-10-28 22:58:05,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:58:05" (1/1) ... [2021-10-28 22:58:05,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:58:05,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:58:06,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-10-28 22:58:06,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:58:06,377 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:58:06,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-10-28 22:58:06,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:58:06,537 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:58:06,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06 WrapperNode [2021-10-28 22:58:06,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:58:06,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:58:06,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:58:06,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:58:06,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:58:06,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:58:06,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:58:06,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:58:06,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:58:06,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:58:06,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:58:06,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:58:06,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (1/1) ... [2021-10-28 22:58:06,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:58:06,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:58:06,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:58:06,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:58:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:58:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:58:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:58:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:58:08,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:58:08,123 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-28 22:58:08,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:08 BoogieIcfgContainer [2021-10-28 22:58:08,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:58:08,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:58:08,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:58:08,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:58:08,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:58:05" (1/3) ... [2021-10-28 22:58:08,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72969a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:58:08, skipping insertion in model container [2021-10-28 22:58:08,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:58:06" (2/3) ... [2021-10-28 22:58:08,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72969a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:58:08, skipping insertion in model container [2021-10-28 22:58:08,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:08" (3/3) ... [2021-10-28 22:58:08,158 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2021-10-28 22:58:08,167 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:58:08,168 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:58:08,239 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:58:08,246 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, mAutomataTypeConcurrency=PETRI_NET, 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 [2021-10-28 22:58:08,246 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:58:08,269 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) [2021-10-28 22:58:08,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 22:58:08,277 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:08,278 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:08,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:08,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:08,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2021-10-28 22:58:08,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:08,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199579408] [2021-10-28 22:58:08,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:08,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:08,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:08,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199579408] [2021-10-28 22:58:08,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199579408] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:08,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:08,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:58:08,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851684703] [2021-10-28 22:58:08,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:58:08,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:08,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:58:08,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:58:08,631 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) [2021-10-28 22:58:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:08,666 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2021-10-28 22:58:08,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:58:08,668 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 [2021-10-28 22:58:08,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:08,681 INFO L225 Difference]: With dead ends: 204 [2021-10-28 22:58:08,682 INFO L226 Difference]: Without dead ends: 101 [2021-10-28 22:58:08,686 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:58:08,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-28 22:58:08,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-28 22:58:08,766 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) [2021-10-28 22:58:08,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-10-28 22:58:08,771 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2021-10-28 22:58:08,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:08,771 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-10-28 22:58:08,772 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) [2021-10-28 22:58:08,772 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2021-10-28 22:58:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 22:58:08,773 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:08,774 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:58:08,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:58:08,775 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:08,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:08,776 INFO L85 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2021-10-28 22:58:08,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:08,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626075245] [2021-10-28 22:58:08,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:08,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:08,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:08,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626075245] [2021-10-28 22:58:08,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626075245] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:08,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:08,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:58:08,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764353154] [2021-10-28 22:58:08,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:58:08,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:08,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:58:08,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:08,913 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) [2021-10-28 22:58:08,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:08,930 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2021-10-28 22:58:08,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:58:08,934 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 [2021-10-28 22:58:08,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:08,935 INFO L225 Difference]: With dead ends: 101 [2021-10-28 22:58:08,935 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 22:58:08,936 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 22:58:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-28 22:58:08,946 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) [2021-10-28 22:58:08,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2021-10-28 22:58:08,948 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2021-10-28 22:58:08,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:08,948 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2021-10-28 22:58:08,948 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) [2021-10-28 22:58:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2021-10-28 22:58:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 22:58:08,949 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:08,950 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] [2021-10-28 22:58:08,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:58:08,950 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:08,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:08,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2021-10-28 22:58:08,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:08,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290767644] [2021-10-28 22:58:08,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:08,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:09,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:09,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290767644] [2021-10-28 22:58:09,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290767644] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:09,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:09,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:58:09,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831485613] [2021-10-28 22:58:09,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:58:09,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:09,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:58:09,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:09,128 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) [2021-10-28 22:58:09,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:09,143 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2021-10-28 22:58:09,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:58:09,144 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 [2021-10-28 22:58:09,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:09,146 INFO L225 Difference]: With dead ends: 80 [2021-10-28 22:58:09,148 INFO L226 Difference]: Without dead ends: 43 [2021-10-28 22:58:09,149 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:58:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-28 22:58:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-28 22:58:09,157 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) [2021-10-28 22:58:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-28 22:58:09,158 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2021-10-28 22:58:09,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:09,159 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-28 22:58:09,159 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) [2021-10-28 22:58:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-28 22:58:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:58:09,160 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:09,161 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] [2021-10-28 22:58:09,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:58:09,161 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:09,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:09,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2021-10-28 22:58:09,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:09,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247196446] [2021-10-28 22:58:09,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:09,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:09,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:09,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247196446] [2021-10-28 22:58:09,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247196446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:09,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:09,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:58:09,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773204945] [2021-10-28 22:58:09,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:58:09,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:09,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:58:09,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:58:09,248 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) [2021-10-28 22:58:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:09,392 INFO L93 Difference]: Finished difference Result 204 states and 303 transitions. [2021-10-28 22:58:09,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:58:09,393 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 [2021-10-28 22:58:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:09,395 INFO L225 Difference]: With dead ends: 204 [2021-10-28 22:58:09,395 INFO L226 Difference]: Without dead ends: 167 [2021-10-28 22:58:09,396 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:58:09,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-28 22:58:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 76. [2021-10-28 22:58:09,426 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) [2021-10-28 22:58:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 108 transitions. [2021-10-28 22:58:09,429 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 108 transitions. Word has length 24 [2021-10-28 22:58:09,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:09,430 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 108 transitions. [2021-10-28 22:58:09,431 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) [2021-10-28 22:58:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2021-10-28 22:58:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 22:58:09,433 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:58:09,433 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] [2021-10-28 22:58:09,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:58:09,434 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:58:09,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:58:09,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1795216542, now seen corresponding path program 1 times [2021-10-28 22:58:09,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:58:09,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917075945] [2021-10-28 22:58:09,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:58:09,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:58:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:58:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:58:09,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:58:09,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917075945] [2021-10-28 22:58:09,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917075945] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:58:09,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:58:09,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:58:09,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890191265] [2021-10-28 22:58:09,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:58:09,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:58:09,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:58:09,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:58:09,508 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) [2021-10-28 22:58:09,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:58:09,575 INFO L93 Difference]: Finished difference Result 174 states and 257 transitions. [2021-10-28 22:58:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:58:09,579 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 [2021-10-28 22:58:09,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:58:09,579 INFO L225 Difference]: With dead ends: 174 [2021-10-28 22:58:09,579 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:58:09,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:58:09,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:58:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:58:09,581 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) [2021-10-28 22:58:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:58:09,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-28 22:58:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:58:09,582 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:58:09,582 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) [2021-10-28 22:58:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:58:09,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:58:09,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:09,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:09,586 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:58:09,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:58:09,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:58:09,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:58:09,967 INFO L853 garLoopResultBuilder]: At program point L894(lines 889 897) the Hoare annotation is: false [2021-10-28 22:58:09,967 INFO L853 garLoopResultBuilder]: At program point L894-1(lines 889 897) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,967 INFO L853 garLoopResultBuilder]: At program point L894-2(lines 889 897) the Hoare annotation is: false [2021-10-28 22:58:09,967 INFO L853 garLoopResultBuilder]: At program point L894-3(lines 889 897) the Hoare annotation is: false [2021-10-28 22:58:09,967 INFO L853 garLoopResultBuilder]: At program point L894-4(lines 889 897) the Hoare annotation is: false [2021-10-28 22:58:09,968 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2021-10-28 22:58:09,968 INFO L853 garLoopResultBuilder]: At program point L894-5(lines 889 897) the Hoare annotation is: false [2021-10-28 22:58:09,968 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 479) no Hoare annotation was computed. [2021-10-28 22:58:09,968 INFO L853 garLoopResultBuilder]: At program point L466-1(lines 1 947) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,968 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 466 479) no Hoare annotation was computed. [2021-10-28 22:58:09,969 INFO L853 garLoopResultBuilder]: At program point L466-3(lines 1 947) the Hoare annotation is: false [2021-10-28 22:58:09,969 INFO L857 garLoopResultBuilder]: For program point L466-4(lines 466 479) no Hoare annotation was computed. [2021-10-28 22:58:09,969 INFO L853 garLoopResultBuilder]: At program point L466-5(lines 1 947) the Hoare annotation is: false [2021-10-28 22:58:09,969 INFO L853 garLoopResultBuilder]: At program point L334-2(lines 334 348) the Hoare annotation is: false [2021-10-28 22:58:09,969 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:58:09,969 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:58:09,970 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:58:09,970 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:58:09,970 INFO L857 garLoopResultBuilder]: For program point L103-4(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:58:09,970 INFO L857 garLoopResultBuilder]: For program point L103-5(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:58:09,970 INFO L857 garLoopResultBuilder]: For program point L335(line 335) no Hoare annotation was computed. [2021-10-28 22:58:09,970 INFO L857 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2021-10-28 22:58:09,970 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2021-10-28 22:58:09,971 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2021-10-28 22:58:09,971 INFO L857 garLoopResultBuilder]: For program point L304-2(lines 67 73) no Hoare annotation was computed. [2021-10-28 22:58:09,971 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-10-28 22:58:09,971 INFO L857 garLoopResultBuilder]: For program point L470-2(lines 470 476) no Hoare annotation was computed. [2021-10-28 22:58:09,971 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 342) no Hoare annotation was computed. [2021-10-28 22:58:09,971 INFO L857 garLoopResultBuilder]: For program point L470-4(lines 470 476) no Hoare annotation was computed. [2021-10-28 22:58:09,971 INFO L857 garLoopResultBuilder]: For program point L338-1(lines 67 73) no Hoare annotation was computed. [2021-10-28 22:58:09,972 INFO L853 garLoopResultBuilder]: At program point L74(lines 74 80) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,972 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 74 80) the Hoare annotation is: false [2021-10-28 22:58:09,972 INFO L853 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: false [2021-10-28 22:58:09,972 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2021-10-28 22:58:09,972 INFO L853 garLoopResultBuilder]: At program point L935(lines 930 938) the Hoare annotation is: false [2021-10-28 22:58:09,973 INFO L853 garLoopResultBuilder]: At program point L935-1(lines 930 938) the Hoare annotation is: false [2021-10-28 22:58:09,973 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-10-28 22:58:09,973 INFO L853 garLoopResultBuilder]: At program point L935-2(lines 930 938) the Hoare annotation is: false [2021-10-28 22:58:09,973 INFO L853 garLoopResultBuilder]: At program point L935-3(lines 930 938) the Hoare annotation is: false [2021-10-28 22:58:09,973 INFO L853 garLoopResultBuilder]: At program point L935-4(lines 930 938) the Hoare annotation is: false [2021-10-28 22:58:09,973 INFO L853 garLoopResultBuilder]: At program point L935-5(lines 930 938) the Hoare annotation is: false [2021-10-28 22:58:09,974 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2021-10-28 22:58:09,974 INFO L860 garLoopResultBuilder]: At program point L408-1(lines 408 415) the Hoare annotation is: true [2021-10-28 22:58:09,974 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,974 INFO L857 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,974 INFO L857 garLoopResultBuilder]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,974 INFO L857 garLoopResultBuilder]: For program point L244-5(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,974 INFO L857 garLoopResultBuilder]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,975 INFO L857 garLoopResultBuilder]: For program point L244-8(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,975 INFO L857 garLoopResultBuilder]: For program point L244-9(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,975 INFO L857 garLoopResultBuilder]: For program point L244-11(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,975 INFO L857 garLoopResultBuilder]: For program point L244-12(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,975 INFO L857 garLoopResultBuilder]: For program point L244-14(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,975 INFO L857 garLoopResultBuilder]: For program point L244-15(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,975 INFO L857 garLoopResultBuilder]: For program point L244-17(lines 244 248) no Hoare annotation was computed. [2021-10-28 22:58:09,976 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2021-10-28 22:58:09,977 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 278 284) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,978 INFO L853 garLoopResultBuilder]: At program point L444(lines 1 947) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,978 INFO L853 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2021-10-28 22:58:09,978 INFO L853 garLoopResultBuilder]: At program point L382(lines 378 384) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,978 INFO L853 garLoopResultBuilder]: At program point L250(lines 235 253) the Hoare annotation is: false [2021-10-28 22:58:09,979 INFO L853 garLoopResultBuilder]: At program point L250-1(lines 235 253) the Hoare annotation is: false [2021-10-28 22:58:09,979 INFO L853 garLoopResultBuilder]: At program point L250-2(lines 235 253) the Hoare annotation is: false [2021-10-28 22:58:09,979 INFO L853 garLoopResultBuilder]: At program point L250-3(lines 235 253) the Hoare annotation is: false [2021-10-28 22:58:09,979 INFO L853 garLoopResultBuilder]: At program point L250-4(lines 235 253) the Hoare annotation is: false [2021-10-28 22:58:09,980 INFO L853 garLoopResultBuilder]: At program point L250-5(lines 235 253) the Hoare annotation is: false [2021-10-28 22:58:09,980 INFO L857 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2021-10-28 22:58:09,980 INFO L857 garLoopResultBuilder]: For program point L944-1(line 944) no Hoare annotation was computed. [2021-10-28 22:58:09,980 INFO L857 garLoopResultBuilder]: For program point L944-2(line 944) no Hoare annotation was computed. [2021-10-28 22:58:09,981 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:58:09,981 INFO L860 garLoopResultBuilder]: At program point L417(lines 398 420) the Hoare annotation is: true [2021-10-28 22:58:09,981 INFO L853 garLoopResultBuilder]: At program point L186(lines 179 189) the Hoare annotation is: false [2021-10-28 22:58:09,981 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 179 189) the Hoare annotation is: false [2021-10-28 22:58:09,982 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 179 189) the Hoare annotation is: false [2021-10-28 22:58:09,982 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2021-10-28 22:58:09,982 INFO L853 garLoopResultBuilder]: At program point L452(lines 447 455) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,982 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-10-28 22:58:09,983 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 288 294) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,983 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:58:09,983 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-10-28 22:58:09,983 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 125 142) no Hoare annotation was computed. [2021-10-28 22:58:09,984 INFO L857 garLoopResultBuilder]: For program point L125-2(lines 125 142) no Hoare annotation was computed. [2021-10-28 22:58:09,984 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:58:09,984 INFO L853 garLoopResultBuilder]: At program point L195(lines 190 198) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,985 INFO L853 garLoopResultBuilder]: At program point L195-1(lines 190 198) the Hoare annotation is: false [2021-10-28 22:58:09,985 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-10-28 22:58:09,985 INFO L853 garLoopResultBuilder]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2021-10-28 22:58:09,985 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 129 137) no Hoare annotation was computed. [2021-10-28 22:58:09,986 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 137) no Hoare annotation was computed. [2021-10-28 22:58:09,986 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-10-28 22:58:09,986 INFO L857 garLoopResultBuilder]: For program point L857-3(lines 857 861) no Hoare annotation was computed. [2021-10-28 22:58:09,986 INFO L857 garLoopResultBuilder]: For program point L857-6(lines 857 861) no Hoare annotation was computed. [2021-10-28 22:58:09,986 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:58:09,987 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2021-10-28 22:58:09,987 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:58:09,987 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:58:09,987 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:58:09,988 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:58:09,988 INFO L857 garLoopResultBuilder]: For program point L99-4(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:58:09,988 INFO L857 garLoopResultBuilder]: For program point L99-5(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:58:09,989 INFO L857 garLoopResultBuilder]: For program point L298(lines 298 309) no Hoare annotation was computed. [2021-10-28 22:58:09,989 INFO L853 garLoopResultBuilder]: At program point L67(lines 66 85) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:58:09,989 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2021-10-28 22:58:09,989 INFO L853 garLoopResultBuilder]: At program point L67-2(lines 66 85) the Hoare annotation is: false [2021-10-28 22:58:09,990 INFO L853 garLoopResultBuilder]: At program point L67-3(lines 66 85) the Hoare annotation is: false [2021-10-28 22:58:09,993 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 22:58:09,995 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:58:10,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:58:10 BoogieIcfgContainer [2021-10-28 22:58:10,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:58:10,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:58:10,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:58:10,016 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:58:10,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:58:08" (3/4) ... [2021-10-28 22:58:10,021 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:58:10,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:58:10,045 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:58:10,046 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:58:10,047 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:58:10,049 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:58:10,050 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:58:10,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:58:10,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive [2021-10-28 22:58:10,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:58:10,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:58:10,219 INFO L168 Benchmark]: Toolchain (without parser) took 4429.24 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 54.1 MB in the beginning and 56.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:10,220 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 71.4 MB in the beginning and 71.3 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:58:10,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.28 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 60.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:10,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.69 ms. Allocated memory is still 92.3 MB. Free memory was 60.2 MB in the beginning and 56.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:10,222 INFO L168 Benchmark]: Boogie Preprocessor took 93.97 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 54.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:10,222 INFO L168 Benchmark]: RCFGBuilder took 1393.31 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 54.2 MB in the beginning and 66.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:10,222 INFO L168 Benchmark]: TraceAbstraction took 1872.93 ms. Allocated memory is still 117.4 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 158.2 kB). Peak memory consumption was 438.4 kB. Max. memory is 16.1 GB. [2021-10-28 22:58:10,223 INFO L168 Benchmark]: Witness Printer took 201.07 ms. Allocated memory is still 117.4 MB. Free memory was 65.8 MB in the beginning and 56.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:58:10,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 92.3 MB. Free memory was 71.4 MB in the beginning and 71.3 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 747.28 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 60.5 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.69 ms. Allocated memory is still 92.3 MB. Free memory was 60.2 MB in the beginning and 56.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.97 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 54.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1393.31 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 54.2 MB in the beginning and 66.5 MB in the end (delta: -12.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1872.93 ms. Allocated memory is still 117.4 MB. Free memory was 65.9 MB in the beginning and 65.8 MB in the end (delta: 158.2 kB). Peak memory consumption was 438.4 kB. Max. memory is 16.1 GB. * Witness Printer took 201.07 ms. Allocated memory is still 117.4 MB. Free memory was 65.8 MB in the beginning and 56.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 944]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 944]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 944]: 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: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 392 SDslu, 332 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 77 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 832 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s 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: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-10-28 22:58:10,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d32c0c05-7f91-4d5d-997d-5ba24099f7d3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...