./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:32,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:32,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:32,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:32,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:32,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:32,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:32,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:32,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:32,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:32,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:32,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:32,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:32,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:32,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:32,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:32,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:32,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:32,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:32,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:32,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:32,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:32,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:32,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:32,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:32,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:32,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:32,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:32,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:32,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:32,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:32,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:32,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:32,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:32,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:32,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:32,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:32,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:32,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:32,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:32,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:32,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:38:32,403 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:32,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:32,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:32,406 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:32,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:32,407 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:32,407 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:38:32,408 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:32,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:32,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:38:32,417 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:38:32,418 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:32,418 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:38:32,419 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:38:32,419 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:38:32,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:32,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:32,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:38:32,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:32,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:32,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:32,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:32,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:32,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:32,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:32,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:32,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:32,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:32,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:32,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:32,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:32,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:32,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:32,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:32,431 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:38:32,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:38:32,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:32,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:32,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:32,434 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2021-11-07 01:38:32,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:32,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:32,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:32,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:32,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:32,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-11-07 01:38:32,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/2ccbc2f7f/cb8f990238c146ce9ed0318bd70ddc7c/FLAG322503d80 [2021-11-07 01:38:33,615 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:33,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-11-07 01:38:33,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/2ccbc2f7f/cb8f990238c146ce9ed0318bd70ddc7c/FLAG322503d80 [2021-11-07 01:38:33,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/2ccbc2f7f/cb8f990238c146ce9ed0318bd70ddc7c [2021-11-07 01:38:33,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:33,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:33,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:33,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:33,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:33,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:33" (1/1) ... [2021-11-07 01:38:33,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8c5e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:33, skipping insertion in model container [2021-11-07 01:38:33,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:33" (1/1) ... [2021-11-07 01:38:33,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:33,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:34,273 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_060bfcfd-2282-47a0-8274-e50d428a2136/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-11-07 01:38:34,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:34,355 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 01:38:34,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@88a423b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:34, skipping insertion in model container [2021-11-07 01:38:34,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:34,367 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:38:34,370 INFO L168 Benchmark]: Toolchain (without parser) took 482.60 ms. Allocated memory is still 109.1 MB. Free memory was 87.4 MB in the beginning and 83.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:34,371 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:34,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.18 ms. Allocated memory is still 109.1 MB. Free memory was 86.9 MB in the beginning and 83.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:34,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 77.6 MB. Free memory is still 56.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 479.18 ms. Allocated memory is still 109.1 MB. Free memory was 86.9 MB in the beginning and 83.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 579]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:38:37,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:38:37,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:38:37,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:38:37,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:38:37,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:38:37,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:38:37,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:38:37,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:38:37,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:38:37,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:38:37,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:38:37,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:38:37,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:38:37,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:38:37,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:38:37,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:38:37,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:38:37,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:38:37,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:38:37,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:38:37,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:38:37,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:38:37,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:38:37,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:38:37,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:38:37,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:38:37,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:38:37,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:38:37,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:38:37,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:38:37,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:38:37,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:38:37,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:38:37,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:38:37,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:38:37,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:38:37,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:38:37,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:38:37,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:38:37,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:38:37,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:38:37,455 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:38:37,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:38:37,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:38:37,462 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:38:37,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:38:37,462 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:38:37,463 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:38:37,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:38:37,463 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:38:37,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:38:37,467 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:38:37,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:38:37,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:38:37,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:38:37,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:38:37,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:38:37,469 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:38:37,469 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:38:37,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:38:37,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:38:37,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:38:37,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:38:37,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:38:37,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:38:37,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:38:37,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:38:37,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:37,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:38:37,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:38:37,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:38:37,474 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:38:37,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:37,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:38:37,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:38:37,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:38:37,476 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2021-11-07 01:38:37,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:38:37,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:38:37,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:38:37,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:38:37,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:38:37,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-11-07 01:38:38,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/e315370f5/e6863ef7eff44697878db0a37e805339/FLAGaf78b176e [2021-11-07 01:38:38,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:38:38,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-11-07 01:38:38,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/e315370f5/e6863ef7eff44697878db0a37e805339/FLAGaf78b176e [2021-11-07 01:38:39,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/data/e315370f5/e6863ef7eff44697878db0a37e805339 [2021-11-07 01:38:39,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:38:39,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:38:39,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:39,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:38:39,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:38:39,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:39" (1/1) ... [2021-11-07 01:38:39,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1ecd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:39, skipping insertion in model container [2021-11-07 01:38:39,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:39" (1/1) ... [2021-11-07 01:38:39,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:38:39,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:39,623 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_060bfcfd-2282-47a0-8274-e50d428a2136/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-11-07 01:38:39,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:39,743 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:38:39,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:38:39,848 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_060bfcfd-2282-47a0-8274-e50d428a2136/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-11-07 01:38:39,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:39,938 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:38:40,020 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_060bfcfd-2282-47a0-8274-e50d428a2136/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-11-07 01:38:40,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:38:40,117 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:38:40,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40 WrapperNode [2021-11-07 01:38:40,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:38:40,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:40,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:38:40,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:38:40,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:38:40,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:38:40,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:38:40,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:38:40,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:38:40,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:38:40,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:38:40,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:38:40,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (1/1) ... [2021-11-07 01:38:40,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:38:40,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:40,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:38:40,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:38:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:38:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:38:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:38:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:38:43,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:38:43,529 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-07 01:38:43,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:43 BoogieIcfgContainer [2021-11-07 01:38:43,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:38:43,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:38:43,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:38:43,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:38:43,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:38:39" (1/3) ... [2021-11-07 01:38:43,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289c1179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:43, skipping insertion in model container [2021-11-07 01:38:43,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:40" (2/3) ... [2021-11-07 01:38:43,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289c1179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:38:43, skipping insertion in model container [2021-11-07 01:38:43,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:43" (3/3) ... [2021-11-07 01:38:43,539 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2021-11-07 01:38:43,546 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:38:43,547 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:38:43,610 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:38:43,619 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:38:43,619 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:38:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-11-07 01:38:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:38:43,646 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:43,647 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:43,648 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:43,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:43,656 INFO L85 PathProgramCache]: Analyzing trace with hash 157385897, now seen corresponding path program 1 times [2021-11-07 01:38:43,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:43,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243742796] [2021-11-07 01:38:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:43,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:43,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:43,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:43,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:38:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:43,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:38:43,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:44,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:44,189 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:44,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243742796] [2021-11-07 01:38:44,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243742796] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:44,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:44,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:38:44,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996221687] [2021-11-07 01:38:44,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:38:44,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:44,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:38:44,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:38:44,235 INFO L87 Difference]: Start difference. First operand has 75 states, 71 states have (on average 1.5633802816901408) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-11-07 01:38:44,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:44,288 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-11-07 01:38:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:38:44,290 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 [2021-11-07 01:38:44,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:44,306 INFO L225 Difference]: With dead ends: 144 [2021-11-07 01:38:44,306 INFO L226 Difference]: Without dead ends: 71 [2021-11-07 01:38:44,312 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:38:44,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-07 01:38:44,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-07 01:38:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 68 states have (on average 1.4558823529411764) internal successors, (99), 70 states have internal predecessors, (99), 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) [2021-11-07 01:38:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-11-07 01:38:44,378 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-11-07 01:38:44,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:44,379 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-11-07 01:38:44,379 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) [2021-11-07 01:38:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-11-07 01:38:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:38:44,383 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:44,383 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:44,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:44,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:44,597 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:44,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:44,599 INFO L85 PathProgramCache]: Analyzing trace with hash -889371000, now seen corresponding path program 1 times [2021-11-07 01:38:44,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:44,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353463946] [2021-11-07 01:38:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:44,601 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:44,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:44,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:44,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:38:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:44,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:44,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:44,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:45,053 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:45,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353463946] [2021-11-07 01:38:45,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353463946] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:45,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:45,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:38:45,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429664016] [2021-11-07 01:38:45,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:38:45,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:45,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:38:45,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:45,066 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:45,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:45,100 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-11-07 01:38:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:38:45,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:38:45,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:45,102 INFO L225 Difference]: With dead ends: 71 [2021-11-07 01:38:45,102 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:38:45,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:45,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:38:45,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:38:45,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-11-07 01:38:45,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:38:45,119 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-11-07 01:38:45,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:45,119 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:38:45,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:38:45,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:38:45,126 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:45,126 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] [2021-11-07 01:38:45,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:45,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:45,342 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:45,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1255414035, now seen corresponding path program 1 times [2021-11-07 01:38:45,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:45,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860086677] [2021-11-07 01:38:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:45,344 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:45,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:45,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:45,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:38:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:45,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:45,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:45,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:45,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:45,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:45,850 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:45,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860086677] [2021-11-07 01:38:45,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860086677] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:45,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:45,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:38:45,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964379875] [2021-11-07 01:38:45,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:38:45,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:45,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:38:45,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:45,859 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 4 states, 4 states have (on average 6.25) 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) [2021-11-07 01:38:45,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:45,923 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-11-07 01:38:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:38:45,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) 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 22 [2021-11-07 01:38:45,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:45,925 INFO L225 Difference]: With dead ends: 60 [2021-11-07 01:38:45,926 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:38:45,927 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:38:45,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:38:45,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:38:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.40625) internal successors, (45), 32 states have internal predecessors, (45), 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) [2021-11-07 01:38:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-11-07 01:38:45,941 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-11-07 01:38:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:45,942 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-11-07 01:38:45,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) 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) [2021-11-07 01:38:45,943 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-07 01:38:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:38:45,946 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:45,946 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] [2021-11-07 01:38:45,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:46,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:46,164 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:46,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1242671319, now seen corresponding path program 1 times [2021-11-07 01:38:46,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:46,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60221738] [2021-11-07 01:38:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:46,167 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:46,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:46,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:46,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:38:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:46,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:38:46,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:46,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:46,797 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:46,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60221738] [2021-11-07 01:38:46,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60221738] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:46,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:46,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:38:46,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610305409] [2021-11-07 01:38:46,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:38:46,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:46,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:38:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:38:46,801 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-11-07 01:38:47,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:47,158 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2021-11-07 01:38:47,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:38:47,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 23 [2021-11-07 01:38:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:47,161 INFO L225 Difference]: With dead ends: 220 [2021-11-07 01:38:47,162 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 01:38:47,163 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:38:47,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 01:38:47,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 78. [2021-11-07 01:38:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 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) [2021-11-07 01:38:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 109 transitions. [2021-11-07 01:38:47,182 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 109 transitions. Word has length 23 [2021-11-07 01:38:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:47,182 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 109 transitions. [2021-11-07 01:38:47,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-11-07 01:38:47,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2021-11-07 01:38:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:38:47,184 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:47,184 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] [2021-11-07 01:38:47,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:47,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:47,400 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:47,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:47,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1939766951, now seen corresponding path program 1 times [2021-11-07 01:38:47,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:47,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268593578] [2021-11-07 01:38:47,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:47,402 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:47,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:47,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:47,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:38:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:47,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:47,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:47,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:47,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:47,844 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:47,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268593578] [2021-11-07 01:38:47,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268593578] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:47,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:47,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:38:47,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722511131] [2021-11-07 01:38:47,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:38:47,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:47,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:38:47,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:38:47,847 INFO L87 Difference]: Start difference. First operand 78 states and 109 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2021-11-07 01:38:49,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:49,478 INFO L93 Difference]: Finished difference Result 202 states and 286 transitions. [2021-11-07 01:38:49,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:38:49,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 [2021-11-07 01:38:49,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:49,480 INFO L225 Difference]: With dead ends: 202 [2021-11-07 01:38:49,481 INFO L226 Difference]: Without dead ends: 130 [2021-11-07 01:38:49,482 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:38:49,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-11-07 01:38:49,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2021-11-07 01:38:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.3937007874015748) internal successors, (177), 127 states have internal predecessors, (177), 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) [2021-11-07 01:38:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 177 transitions. [2021-11-07 01:38:49,503 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 177 transitions. Word has length 24 [2021-11-07 01:38:49,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:49,504 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 177 transitions. [2021-11-07 01:38:49,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2021-11-07 01:38:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 177 transitions. [2021-11-07 01:38:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:38:49,507 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:49,507 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, 1, 1, 1, 1] [2021-11-07 01:38:49,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:49,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:49,720 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:49,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:49,721 INFO L85 PathProgramCache]: Analyzing trace with hash -69063013, now seen corresponding path program 1 times [2021-11-07 01:38:49,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:49,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [446901531] [2021-11-07 01:38:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:49,723 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:49,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:49,724 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:49,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:38:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:50,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:38:50,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:50,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:50,260 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:50,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [446901531] [2021-11-07 01:38:50,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [446901531] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:50,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:38:50,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:38:50,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725932105] [2021-11-07 01:38:50,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:38:50,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:50,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:38:50,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:38:50,263 INFO L87 Difference]: Start difference. First operand 128 states and 177 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-07 01:38:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:50,286 INFO L93 Difference]: Finished difference Result 182 states and 254 transitions. [2021-11-07 01:38:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:38:50,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 29 [2021-11-07 01:38:50,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:50,289 INFO L225 Difference]: With dead ends: 182 [2021-11-07 01:38:50,289 INFO L226 Difference]: Without dead ends: 60 [2021-11-07 01:38:50,293 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:38:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-11-07 01:38:50,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-11-07 01:38:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.305084745762712) internal successors, (77), 59 states have internal predecessors, (77), 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) [2021-11-07 01:38:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2021-11-07 01:38:50,315 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 29 [2021-11-07 01:38:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:50,316 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-11-07 01:38:50,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2021-11-07 01:38:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2021-11-07 01:38:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:38:50,324 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:50,324 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:50,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:50,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:50,547 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:50,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:50,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2044306332, now seen corresponding path program 1 times [2021-11-07 01:38:50,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:38:50,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001791483] [2021-11-07 01:38:50,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:50,549 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:38:50,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:38:50,550 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:38:50,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:38:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:50,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:38:50,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:51,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:51,226 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:51,227 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:38:51,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001791483] [2021-11-07 01:38:51,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001791483] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:38:51,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2118393153] [2021-11-07 01:38:51,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:51,228 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:38:51,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:38:51,234 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:38:51,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:38:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:51,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:38:51,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:38:51,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:38:51,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2118393153] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:38:51,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:38:51,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:38:51,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371441609] [2021-11-07 01:38:51,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:38:51,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:38:51,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:38:51,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:38:51,920 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:52,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:52,027 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2021-11-07 01:38:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:38:52,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 01:38:52,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:52,029 INFO L225 Difference]: With dead ends: 118 [2021-11-07 01:38:52,029 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:38:52,031 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:38:52,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:38:52,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:38:52,031 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) [2021-11-07 01:38:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:38:52,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-11-07 01:38:52,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:52,034 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:38:52,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:38:52,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:38:52,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:38:52,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:38:52,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:38:52,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:52,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-07 01:38:52,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:38:52,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:38:52,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:52,950 INFO L853 garLoopResultBuilder]: At program point L448(lines 443 451) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2021-11-07 01:38:52,951 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-07 01:38:52,951 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,951 INFO L853 garLoopResultBuilder]: At program point L350(lines 346 352) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:38:52,951 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 413) no Hoare annotation was computed. [2021-11-07 01:38:52,952 INFO L853 garLoopResultBuilder]: At program point L400-1(lines 1 915) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,952 INFO L857 garLoopResultBuilder]: For program point L400-2(lines 400 413) no Hoare annotation was computed. [2021-11-07 01:38:52,952 INFO L853 garLoopResultBuilder]: At program point L400-3(lines 1 915) the Hoare annotation is: false [2021-11-07 01:38:52,952 INFO L857 garLoopResultBuilder]: For program point L400-4(lines 400 413) no Hoare annotation was computed. [2021-11-07 01:38:52,952 INFO L853 garLoopResultBuilder]: At program point L400-5(lines 1 915) the Hoare annotation is: false [2021-11-07 01:38:52,952 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-11-07 01:38:52,952 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 138 144) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,953 INFO L857 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-07 01:38:52,953 INFO L853 garLoopResultBuilder]: At program point L302-2(lines 302 316) the Hoare annotation is: false [2021-11-07 01:38:52,953 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:38:52,953 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:38:52,953 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 187) no Hoare annotation was computed. [2021-11-07 01:38:52,953 INFO L860 garLoopResultBuilder]: At program point L385(lines 366 388) the Hoare annotation is: true [2021-11-07 01:38:52,953 INFO L857 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2021-11-07 01:38:52,954 INFO L853 garLoopResultBuilder]: At program point L138(lines 137 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,954 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2021-11-07 01:38:52,954 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 137 156) the Hoare annotation is: false [2021-11-07 01:38:52,954 INFO L853 garLoopResultBuilder]: At program point L138-3(lines 137 156) the Hoare annotation is: false [2021-11-07 01:38:52,954 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-11-07 01:38:52,954 INFO L857 garLoopResultBuilder]: For program point L404-2(lines 404 410) no Hoare annotation was computed. [2021-11-07 01:38:52,955 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2021-11-07 01:38:52,955 INFO L857 garLoopResultBuilder]: For program point L404-4(lines 404 410) no Hoare annotation was computed. [2021-11-07 01:38:52,955 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 276) no Hoare annotation was computed. [2021-11-07 01:38:52,955 INFO L857 garLoopResultBuilder]: For program point L272-3(lines 272 276) no Hoare annotation was computed. [2021-11-07 01:38:52,955 INFO L857 garLoopResultBuilder]: For program point L272-5(lines 272 276) no Hoare annotation was computed. [2021-11-07 01:38:52,955 INFO L857 garLoopResultBuilder]: For program point L272-6(lines 272 276) no Hoare annotation was computed. [2021-11-07 01:38:52,955 INFO L857 garLoopResultBuilder]: For program point L272-8(lines 272 276) no Hoare annotation was computed. [2021-11-07 01:38:52,956 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:38:52,956 INFO L853 garLoopResultBuilder]: At program point L223(lines 218 226) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,956 INFO L853 garLoopResultBuilder]: At program point L223-1(lines 218 226) the Hoare annotation is: false [2021-11-07 01:38:52,956 INFO L853 garLoopResultBuilder]: At program point L223-2(lines 218 226) the Hoare annotation is: false [2021-11-07 01:38:52,956 INFO L853 garLoopResultBuilder]: At program point L537(lines 532 540) the Hoare annotation is: false [2021-11-07 01:38:52,956 INFO L853 garLoopResultBuilder]: At program point L537-1(lines 532 540) the Hoare annotation is: false [2021-11-07 01:38:52,957 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 475) no Hoare annotation was computed. [2021-11-07 01:38:52,957 INFO L853 garLoopResultBuilder]: At program point L537-2(lines 532 540) the Hoare annotation is: false [2021-11-07 01:38:52,957 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 310) no Hoare annotation was computed. [2021-11-07 01:38:52,957 INFO L857 garLoopResultBuilder]: For program point L306-1(lines 138 144) no Hoare annotation was computed. [2021-11-07 01:38:52,957 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:38:52,957 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:38:52,957 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2021-11-07 01:38:52,958 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-07 01:38:52,958 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,958 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2021-11-07 01:38:52,958 INFO L853 garLoopResultBuilder]: At program point L440(lines 1 915) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,958 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:38:52,958 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-11-07 01:38:52,959 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 383) no Hoare annotation was computed. [2021-11-07 01:38:52,959 INFO L860 garLoopResultBuilder]: At program point L376-1(lines 376 383) the Hoare annotation is: true [2021-11-07 01:38:52,959 INFO L853 garLoopResultBuilder]: At program point L145(lines 145 151) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,959 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 145 151) the Hoare annotation is: false [2021-11-07 01:38:52,959 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 145 151) the Hoare annotation is: false [2021-11-07 01:38:52,959 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-11-07 01:38:52,960 INFO L857 garLoopResultBuilder]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2021-11-07 01:38:52,960 INFO L857 garLoopResultBuilder]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2021-11-07 01:38:52,960 INFO L853 garLoopResultBuilder]: At program point L278(lines 263 281) the Hoare annotation is: false [2021-11-07 01:38:52,962 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 263 281) the Hoare annotation is: false [2021-11-07 01:38:52,962 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 263 281) the Hoare annotation is: false [2021-11-07 01:38:52,962 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-11-07 01:38:52,962 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:38:52,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2021-11-07 01:38:52,963 INFO L853 garLoopResultBuilder]: At program point L528(lines 523 531) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:38:52,963 INFO L853 garLoopResultBuilder]: At program point L528-1(lines 523 531) the Hoare annotation is: false [2021-11-07 01:38:52,963 INFO L853 garLoopResultBuilder]: At program point L528-2(lines 523 531) the Hoare annotation is: false [2021-11-07 01:38:52,964 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-11-07 01:38:52,964 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-11-07 01:38:52,964 INFO L857 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-11-07 01:38:52,964 INFO L857 garLoopResultBuilder]: For program point L546-1(line 546) no Hoare annotation was computed. [2021-11-07 01:38:52,964 INFO L857 garLoopResultBuilder]: For program point L546-2(line 546) no Hoare annotation was computed. [2021-11-07 01:38:52,969 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:52,971 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:38:52,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:38:52 BoogieIcfgContainer [2021-11-07 01:38:52,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:38:52,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:38:52,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:38:52,991 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:38:52,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:38:43" (3/4) ... [2021-11-07 01:38:52,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:38:53,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:38:53,028 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:38:53,029 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:38:53,030 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:38:53,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:38:53,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:38:53,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:38:53,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 01:38:53,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:38:53,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:38:53,144 INFO L168 Benchmark]: Toolchain (without parser) took 14005.50 ms. Allocated memory was 58.7 MB in the beginning and 90.2 MB in the end (delta: 31.5 MB). Free memory was 35.6 MB in the beginning and 52.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:53,145 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:38:53,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 978.65 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.3 MB in the beginning and 41.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:53,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.68 ms. Allocated memory is still 73.4 MB. Free memory was 41.2 MB in the beginning and 55.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:53,147 INFO L168 Benchmark]: Boogie Preprocessor took 87.25 ms. Allocated memory is still 73.4 MB. Free memory was 55.8 MB in the beginning and 53.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:53,147 INFO L168 Benchmark]: RCFGBuilder took 3178.63 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 45.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:53,148 INFO L168 Benchmark]: TraceAbstraction took 9457.95 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 44.9 MB in the beginning and 58.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:53,148 INFO L168 Benchmark]: Witness Printer took 151.38 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 52.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:38:53,151 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 58.7 MB. Free memory was 39.5 MB in the beginning and 39.5 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 978.65 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 35.3 MB in the beginning and 41.4 MB in the end (delta: -6.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.68 ms. Allocated memory is still 73.4 MB. Free memory was 41.2 MB in the beginning and 55.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 87.25 ms. Allocated memory is still 73.4 MB. Free memory was 55.8 MB in the beginning and 53.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3178.63 ms. Allocated memory is still 73.4 MB. Free memory was 53.4 MB in the beginning and 45.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9457.95 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 44.9 MB in the beginning and 58.8 MB in the end (delta: -14.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * Witness Printer took 151.38 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 52.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 546]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 546]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 546]: 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, 75 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 549 SDslu, 492 SDs, 0 SdLazy, 116 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=5, InterpolantAutomatonStates: 32, 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, 7 MinimizatonAttempts, 117 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2069 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1622 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 50/60 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:38:53,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060bfcfd-2282-47a0-8274-e50d428a2136/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE