./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:08:14,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:08:14,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:08:14,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:08:14,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:08:14,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:08:14,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:08:14,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:08:14,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:08:14,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:08:14,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:08:14,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:08:14,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:08:14,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:08:14,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:08:14,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:08:14,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:08:14,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:08:14,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:08:14,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:08:14,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:08:14,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:08:14,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:08:14,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:08:14,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:08:14,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:08:14,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:08:14,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:08:14,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:08:14,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:08:14,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:08:14,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:08:14,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:08:14,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:08:14,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:08:14,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:08:14,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:08:14,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:08:14,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:08:14,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:08:14,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:08:14,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:08:14,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:08:14,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:08:14,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:08:14,551 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:08:14,551 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:08:14,551 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:08:14,552 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:08:14,552 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:08:14,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:08:14,559 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:08:14,560 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:08:14,560 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:08:14,561 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:08:14,561 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:08:14,561 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:08:14,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:08:14,562 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:08:14,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:08:14,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:08:14,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:08:14,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:08:14,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:08:14,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:08:14,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:08:14,564 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:08:14,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:08:14,564 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:08:14,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:08:14,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:08:14,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:08:14,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:14,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:08:14,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:08:14,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:08:14,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:08:14,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:08:14,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:08:14,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:08:14,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:08:14,569 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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2021-11-07 01:08:14,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:08:14,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:08:14,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:08:14,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:08:14,937 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:08:14,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-11-07 01:08:15,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/2b18e25d6/617f11879e0649d497b0c5367c871cd3/FLAGd092b1a74 [2021-11-07 01:08:15,629 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:08:15,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-11-07 01:08:15,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/2b18e25d6/617f11879e0649d497b0c5367c871cd3/FLAGd092b1a74 [2021-11-07 01:08:15,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/2b18e25d6/617f11879e0649d497b0c5367c871cd3 [2021-11-07 01:08:15,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:08:15,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:08:15,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:15,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:08:15,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:08:15,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:15" (1/1) ... [2021-11-07 01:08:15,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbb0647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:15, skipping insertion in model container [2021-11-07 01:08:15,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:15" (1/1) ... [2021-11-07 01:08:15,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:08:15,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:08:16,327 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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2021-11-07 01:08:16,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:16,347 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 01:08:16,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7740cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:16, skipping insertion in model container [2021-11-07 01:08:16,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:16,348 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:08:16,352 INFO L168 Benchmark]: Toolchain (without parser) took 429.79 ms. Allocated memory is still 146.8 MB. Free memory was 106.8 MB in the beginning and 117.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:16,353 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 154.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:08:16,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.05 ms. Allocated memory is still 146.8 MB. Free memory was 106.7 MB in the beginning and 117.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:16,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 154.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.05 ms. Allocated memory is still 146.8 MB. Free memory was 106.7 MB in the beginning and 117.8 MB in the end (delta: -11.1 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: 301]: 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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:08:18,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:08:18,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:08:18,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:08:18,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:08:18,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:08:18,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:08:18,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:08:18,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:08:18,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:08:18,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:08:18,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:08:18,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:08:18,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:08:18,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:08:18,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:08:18,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:08:18,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:08:18,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:08:18,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:08:18,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:08:18,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:08:18,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:08:18,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:08:18,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:08:18,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:08:18,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:08:18,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:08:18,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:08:18,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:08:18,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:08:18,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:08:18,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:08:18,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:08:18,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:08:18,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:08:18,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:08:18,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:08:18,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:08:18,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:08:18,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:08:18,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:08:18,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:08:18,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:08:18,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:08:18,820 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:08:18,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:08:18,820 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:08:18,821 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:08:18,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:08:18,821 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:08:18,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:08:18,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:08:18,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:08:18,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:08:18,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:08:18,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:08:18,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:08:18,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:08:18,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:08:18,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:08:18,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:08:18,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:08:18,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:08:18,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:08:18,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:08:18,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:08:18,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:08:18,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:18,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:08:18,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:08:18,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:08:18,829 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:08:18,829 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:08:18,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:08:18,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:08:18,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:08:18,830 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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2021-11-07 01:08:19,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:08:19,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:08:19,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:08:19,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:08:19,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:08:19,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-11-07 01:08:19,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/1332d0584/c7fc10c27d2a4290ad272d39eeb531b8/FLAG4d0052a38 [2021-11-07 01:08:19,937 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:08:19,938 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-11-07 01:08:19,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/1332d0584/c7fc10c27d2a4290ad272d39eeb531b8/FLAG4d0052a38 [2021-11-07 01:08:20,224 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/data/1332d0584/c7fc10c27d2a4290ad272d39eeb531b8 [2021-11-07 01:08:20,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:08:20,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:08:20,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:20,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:08:20,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:08:20,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:20" (1/1) ... [2021-11-07 01:08:20,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c885441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20, skipping insertion in model container [2021-11-07 01:08:20,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:20" (1/1) ... [2021-11-07 01:08:20,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:08:20,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:08:20,819 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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2021-11-07 01:08:20,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:20,842 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:08:20,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:08:20,963 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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2021-11-07 01:08:20,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:20,975 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:08:21,058 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_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2021-11-07 01:08:21,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:21,084 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:08:21,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21 WrapperNode [2021-11-07 01:08:21,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:21,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:08:21,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:08:21,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:08:21,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:08:21,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:08:21,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:08:21,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:08:21,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:08:21,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:08:21,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:08:21,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:08:21,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (1/1) ... [2021-11-07 01:08:21,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:21,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:21,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:08:21,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:08:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:08:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:08:21,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:08:21,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:08:23,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:08:23,808 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-11-07 01:08:23,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:23 BoogieIcfgContainer [2021-11-07 01:08:23,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:08:23,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:08:23,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:08:23,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:08:23,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:08:20" (1/3) ... [2021-11-07 01:08:23,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a70791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:23, skipping insertion in model container [2021-11-07 01:08:23,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:21" (2/3) ... [2021-11-07 01:08:23,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36a70791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:23, skipping insertion in model container [2021-11-07 01:08:23,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:23" (3/3) ... [2021-11-07 01:08:23,818 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2021-11-07 01:08:23,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:08:23,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 01:08:23,876 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:08:23,881 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 01:08:23,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 01:08:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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 01:08:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:08:23,902 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:23,903 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:23,904 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 01:08:23,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:23,909 INFO L85 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-11-07 01:08:23,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:23,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309744848] [2021-11-07 01:08:23,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:23,923 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:23,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:23,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:23,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:08:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:24,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:08:24,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:24,283 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 01:08:24,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:24,336 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 01:08:24,337 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:24,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309744848] [2021-11-07 01:08:24,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309744848] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:24,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:24,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:08:24,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618392637] [2021-11-07 01:08:24,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:08:24,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:24,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:08:24,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:08:24,365 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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 01:08:24,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:24,400 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-11-07 01:08:24,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:08:24,402 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 01:08:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:24,414 INFO L225 Difference]: With dead ends: 136 [2021-11-07 01:08:24,414 INFO L226 Difference]: Without dead ends: 67 [2021-11-07 01:08:24,417 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 01:08:24,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-07 01:08:24,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-11-07 01:08:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 states have internal predecessors, (93), 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 01:08:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-11-07 01:08:24,458 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-11-07 01:08:24,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:24,459 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-11-07 01:08:24,459 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 01:08:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-11-07 01:08:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:08:24,460 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:24,461 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 01:08:24,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:24,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:24,672 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 01:08:24,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-11-07 01:08:24,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:24,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458172473] [2021-11-07 01:08:24,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:24,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:24,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:24,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:24,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:08:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:24,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:08:24,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:25,051 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 01:08:25,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:25,118 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 01:08:25,118 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:25,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458172473] [2021-11-07 01:08:25,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458172473] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:25,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:25,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:08:25,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923826838] [2021-11-07 01:08:25,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:08:25,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:25,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:08:25,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:08:25,127 INFO L87 Difference]: Start difference. First operand 67 states and 93 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 01:08:25,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:25,161 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-11-07 01:08:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:08:25,162 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 01:08:25,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:25,164 INFO L225 Difference]: With dead ends: 67 [2021-11-07 01:08:25,165 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:08:25,166 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 01:08:25,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:08:25,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:08:25,175 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 01:08:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-11-07 01:08:25,178 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-11-07 01:08:25,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:25,179 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-11-07 01:08:25,179 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 01:08:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-07 01:08:25,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:08:25,180 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:25,184 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] [2021-11-07 01:08:25,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:25,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:25,397 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 01:08:25,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:25,397 INFO L85 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-11-07 01:08:25,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:25,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575227721] [2021-11-07 01:08:25,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:25,400 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:25,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:25,401 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:25,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:08:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:25,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:08:25,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:25,678 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 01:08:25,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:25,754 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 01:08:25,754 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:25,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575227721] [2021-11-07 01:08:25,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575227721] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:25,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:25,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:08:25,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923076881] [2021-11-07 01:08:25,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:08:25,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:25,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:08:25,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:08:25,759 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 01:08:25,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:25,832 INFO L93 Difference]: Finished difference Result 110 states and 160 transitions. [2021-11-07 01:08:25,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:08:25,833 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 01:08:25,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:25,835 INFO L225 Difference]: With dead ends: 110 [2021-11-07 01:08:25,835 INFO L226 Difference]: Without dead ends: 83 [2021-11-07 01:08:25,835 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 01:08:25,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-07 01:08:25,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 52. [2021-11-07 01:08:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 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 01:08:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-11-07 01:08:25,845 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-11-07 01:08:25,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:25,846 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-11-07 01:08:25,846 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 01:08:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-11-07 01:08:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:08:25,847 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:25,847 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 01:08:25,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:26,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:26,061 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 01:08:26,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:26,062 INFO L85 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-11-07 01:08:26,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:26,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567304129] [2021-11-07 01:08:26,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:26,063 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:26,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:26,064 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:26,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:08:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:26,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:08:26,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:26,369 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 01:08:26,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:26,465 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 01:08:26,465 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:26,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567304129] [2021-11-07 01:08:26,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567304129] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:26,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:26,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-11-07 01:08:26,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90992436] [2021-11-07 01:08:26,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:08:26,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:26,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:08:26,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 01:08:26,470 INFO L87 Difference]: Start difference. First operand 52 states and 75 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 01:08:26,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:26,731 INFO L93 Difference]: Finished difference Result 351 states and 542 transitions. [2021-11-07 01:08:26,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:08:26,732 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 01:08:26,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:26,740 INFO L225 Difference]: With dead ends: 351 [2021-11-07 01:08:26,740 INFO L226 Difference]: Without dead ends: 305 [2021-11-07 01:08:26,742 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 01:08:26,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-07 01:08:26,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 130. [2021-11-07 01:08:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 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 01:08:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-11-07 01:08:26,792 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2021-11-07 01:08:26,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:26,793 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-11-07 01:08:26,794 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 01:08:26,794 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-11-07 01:08:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:08:26,798 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:26,798 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 01:08:26,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:27,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:27,012 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 01:08:27,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:27,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2021-11-07 01:08:27,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:27,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877662189] [2021-11-07 01:08:27,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:27,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:27,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:27,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:27,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 01:08:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:27,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:08:27,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:27,272 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 01:08:27,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:27,328 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 01:08:27,329 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:27,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877662189] [2021-11-07 01:08:27,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877662189] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:27,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:27,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 01:08:27,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521573855] [2021-11-07 01:08:27,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:08:27,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:27,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:08:27,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:08:27,337 INFO L87 Difference]: Start difference. First operand 130 states and 187 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 01:08:28,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:28,639 INFO L93 Difference]: Finished difference Result 342 states and 498 transitions. [2021-11-07 01:08:28,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:08:28,640 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 01:08:28,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:28,642 INFO L225 Difference]: With dead ends: 342 [2021-11-07 01:08:28,643 INFO L226 Difference]: Without dead ends: 218 [2021-11-07 01:08:28,644 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 01:08:28,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-11-07 01:08:28,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2021-11-07 01:08:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.4232558139534883) internal successors, (306), 215 states have internal predecessors, (306), 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 01:08:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 306 transitions. [2021-11-07 01:08:28,674 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 306 transitions. Word has length 24 [2021-11-07 01:08:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:28,675 INFO L470 AbstractCegarLoop]: Abstraction has 216 states and 306 transitions. [2021-11-07 01:08:28,675 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 01:08:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 306 transitions. [2021-11-07 01:08:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:08:28,677 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:28,677 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] [2021-11-07 01:08:28,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-07 01:08:28,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:28,897 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 01:08:28,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:28,897 INFO L85 PathProgramCache]: Analyzing trace with hash 68958233, now seen corresponding path program 1 times [2021-11-07 01:08:28,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:28,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068784216] [2021-11-07 01:08:28,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:28,899 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:28,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:28,909 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:28,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 01:08:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:29,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:08:29,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:29,322 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 01:08:29,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:29,433 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 01:08:29,434 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:29,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068784216] [2021-11-07 01:08:29,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068784216] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:29,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:29,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:08:29,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631808516] [2021-11-07 01:08:29,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:08:29,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:29,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:08:29,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:08:29,438 INFO L87 Difference]: Start difference. First operand 216 states and 306 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:29,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:29,477 INFO L93 Difference]: Finished difference Result 325 states and 465 transitions. [2021-11-07 01:08:29,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:08:29,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:08:29,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:29,479 INFO L225 Difference]: With dead ends: 325 [2021-11-07 01:08:29,479 INFO L226 Difference]: Without dead ends: 115 [2021-11-07 01:08:29,482 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 01:08:29,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-07 01:08:29,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-11-07 01:08:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 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 01:08:29,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-11-07 01:08:29,504 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 26 [2021-11-07 01:08:29,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:29,505 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-11-07 01:08:29,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:29,505 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-11-07 01:08:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:08:29,512 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:29,513 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 01:08:29,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:29,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:08:29,727 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 01:08:29,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:29,728 INFO L85 PathProgramCache]: Analyzing trace with hash -647079898, now seen corresponding path program 1 times [2021-11-07 01:08:29,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:08:29,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855505917] [2021-11-07 01:08:29,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:29,729 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:08:29,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:08:29,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:08:29,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 01:08:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:29,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:08:29,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:30,167 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 01:08:30,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:30,383 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 01:08:30,384 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:08:30,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855505917] [2021-11-07 01:08:30,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855505917] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:30,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [814994939] [2021-11-07 01:08:30,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:30,385 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:08:30,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:08:30,392 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:08:30,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-07 01:08:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:30,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 01:08:30,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:30,934 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 01:08:30,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:31,048 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 01:08:31,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [814994939] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:31,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:08:31,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [3, 3] total 9 [2021-11-07 01:08:31,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577325460] [2021-11-07 01:08:31,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:08:31,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:08:31,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:08:31,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:08:31,052 INFO L87 Difference]: Start difference. First operand 115 states and 153 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 01:08:31,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:31,180 INFO L93 Difference]: Finished difference Result 235 states and 321 transitions. [2021-11-07 01:08:31,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:08:31,181 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 01:08:31,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:31,182 INFO L225 Difference]: With dead ends: 235 [2021-11-07 01:08:31,182 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:08:31,184 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:08:31,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:08:31,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:08:31,184 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 01:08:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:08:31,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-11-07 01:08:31,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:31,187 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:08:31,187 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 01:08:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:08:31,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:08:31,191 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:08:31,192 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:08:31,192 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:08:31,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-11-07 01:08:31,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2021-11-07 01:08:31,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt [2021-11-07 01:08:31,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:08:31,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:31,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:32,069 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-11-07 01:08:32,070 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:08:32,070 INFO L853 garLoopResultBuilder]: At program point L763(lines 758 766) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,070 INFO L853 garLoopResultBuilder]: At program point L763-1(lines 758 766) the Hoare annotation is: false [2021-11-07 01:08:32,070 INFO L853 garLoopResultBuilder]: At program point L763-2(lines 758 766) the Hoare annotation is: false [2021-11-07 01:08:32,071 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-11-07 01:08:32,071 INFO L860 garLoopResultBuilder]: At program point L268(lines 249 271) the Hoare annotation is: true [2021-11-07 01:08:32,071 INFO L853 garLoopResultBuilder]: At program point L235(lines 231 237) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,071 INFO L857 garLoopResultBuilder]: For program point L714(lines 714 722) no Hoare annotation was computed. [2021-11-07 01:08:32,071 INFO L853 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,072 INFO L857 garLoopResultBuilder]: For program point L714-1(lines 714 722) no Hoare annotation was computed. [2021-11-07 01:08:32,072 INFO L857 garLoopResultBuilder]: For program point L714-2(lines 714 722) no Hoare annotation was computed. [2021-11-07 01:08:32,072 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 186 200) the Hoare annotation is: false [2021-11-07 01:08:32,072 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-11-07 01:08:32,073 INFO L853 garLoopResultBuilder]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,073 INFO L857 garLoopResultBuilder]: For program point L649(lines 649 662) no Hoare annotation was computed. [2021-11-07 01:08:32,073 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 1 903) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,073 INFO L857 garLoopResultBuilder]: For program point L649-2(lines 649 662) no Hoare annotation was computed. [2021-11-07 01:08:32,073 INFO L853 garLoopResultBuilder]: At program point L649-3(lines 1 903) the Hoare annotation is: false [2021-11-07 01:08:32,074 INFO L857 garLoopResultBuilder]: For program point L649-4(lines 649 662) no Hoare annotation was computed. [2021-11-07 01:08:32,074 INFO L853 garLoopResultBuilder]: At program point L649-5(lines 1 903) the Hoare annotation is: false [2021-11-07 01:08:32,074 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-07 01:08:32,074 INFO L853 garLoopResultBuilder]: At program point L685(lines 685 691) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,074 INFO L853 garLoopResultBuilder]: At program point L685-1(lines 685 691) the Hoare annotation is: false [2021-11-07 01:08:32,075 INFO L853 garLoopResultBuilder]: At program point L685-2(lines 685 691) the Hoare annotation is: false [2021-11-07 01:08:32,075 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-11-07 01:08:32,075 INFO L857 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2021-11-07 01:08:32,075 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 882) no Hoare annotation was computed. [2021-11-07 01:08:32,076 INFO L857 garLoopResultBuilder]: For program point L900-1(line 900) no Hoare annotation was computed. [2021-11-07 01:08:32,076 INFO L857 garLoopResultBuilder]: For program point L900-2(line 900) no Hoare annotation was computed. [2021-11-07 01:08:32,076 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:08:32,076 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2021-11-07 01:08:32,076 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 678 684) no Hoare annotation was computed. [2021-11-07 01:08:32,077 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-11-07 01:08:32,077 INFO L857 garLoopResultBuilder]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2021-11-07 01:08:32,077 INFO L857 garLoopResultBuilder]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2021-11-07 01:08:32,077 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-11-07 01:08:32,077 INFO L853 garLoopResultBuilder]: At program point L754(lines 747 757) the Hoare annotation is: false [2021-11-07 01:08:32,078 INFO L853 garLoopResultBuilder]: At program point L754-1(lines 747 757) the Hoare annotation is: false [2021-11-07 01:08:32,078 INFO L853 garLoopResultBuilder]: At program point L754-2(lines 747 757) the Hoare annotation is: false [2021-11-07 01:08:32,078 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 266) no Hoare annotation was computed. [2021-11-07 01:08:32,078 INFO L860 garLoopResultBuilder]: At program point L259-1(lines 259 266) the Hoare annotation is: true [2021-11-07 01:08:32,079 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:08:32,079 INFO L853 garLoopResultBuilder]: At program point L887(lines 836 888) the Hoare annotation is: false [2021-11-07 01:08:32,079 INFO L857 garLoopResultBuilder]: For program point L838(lines 837 886) no Hoare annotation was computed. [2021-11-07 01:08:32,079 INFO L853 garLoopResultBuilder]: At program point L161(lines 1 903) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,079 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:08:32,080 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:08:32,080 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-11-07 01:08:32,080 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-11-07 01:08:32,080 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-11-07 01:08:32,080 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 807 813) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,081 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-11-07 01:08:32,081 INFO L853 garLoopResultBuilder]: At program point L857-1(lines 857 863) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,081 INFO L853 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,081 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2021-11-07 01:08:32,082 INFO L853 garLoopResultBuilder]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2021-11-07 01:08:32,082 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:08:32,082 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-11-07 01:08:32,082 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 881) no Hoare annotation was computed. [2021-11-07 01:08:32,082 INFO L853 garLoopResultBuilder]: At program point L875-1(lines 678 684) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,083 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 727) no Hoare annotation was computed. [2021-11-07 01:08:32,083 INFO L857 garLoopResultBuilder]: For program point L710-1(lines 710 727) no Hoare annotation was computed. [2021-11-07 01:08:32,083 INFO L857 garLoopResultBuilder]: For program point L710-2(lines 710 727) no Hoare annotation was computed. [2021-11-07 01:08:32,083 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-11-07 01:08:32,083 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: false [2021-11-07 01:08:32,084 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-11-07 01:08:32,084 INFO L853 garLoopResultBuilder]: At program point L678(lines 677 696) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 01:08:32,084 INFO L857 garLoopResultBuilder]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2021-11-07 01:08:32,084 INFO L853 garLoopResultBuilder]: At program point L678-2(lines 677 696) the Hoare annotation is: false [2021-11-07 01:08:32,084 INFO L853 garLoopResultBuilder]: At program point L678-3(lines 677 696) the Hoare annotation is: false [2021-11-07 01:08:32,088 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:32,090 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:08:32,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:08:32 BoogieIcfgContainer [2021-11-07 01:08:32,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:08:32,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:08:32,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:08:32,109 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:08:32,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:23" (3/4) ... [2021-11-07 01:08:32,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:08:32,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 01:08:32,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 01:08:32,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 01:08:32,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 01:08:32,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:08:32,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:08:32,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:08:32,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning [2021-11-07 01:08:32,198 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:08:32,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:08:32,200 INFO L168 Benchmark]: Toolchain (without parser) took 11969.80 ms. Allocated memory was 60.8 MB in the beginning and 107.0 MB in the end (delta: 46.1 MB). Free memory was 37.2 MB in the beginning and 47.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:32,201 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:08:32,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.94 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 36.8 MB in the beginning and 54.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:32,202 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.98 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 51.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:32,202 INFO L168 Benchmark]: Boogie Preprocessor took 49.49 ms. Allocated memory is still 86.0 MB. Free memory was 51.7 MB in the beginning and 49.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:32,203 INFO L168 Benchmark]: RCFGBuilder took 2588.69 ms. Allocated memory is still 86.0 MB. Free memory was 49.3 MB in the beginning and 45.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:32,203 INFO L168 Benchmark]: TraceAbstraction took 8295.59 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 44.8 MB in the beginning and 53.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:32,204 INFO L168 Benchmark]: Witness Printer took 90.29 ms. Allocated memory is still 107.0 MB. Free memory was 53.9 MB in the beginning and 47.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:08:32,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 851.94 ms. Allocated memory was 60.8 MB in the beginning and 86.0 MB in the end (delta: 25.2 MB). Free memory was 36.8 MB in the beginning and 54.6 MB in the end (delta: -17.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.98 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 51.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.49 ms. Allocated memory is still 86.0 MB. Free memory was 51.7 MB in the beginning and 49.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2588.69 ms. Allocated memory is still 86.0 MB. Free memory was 49.3 MB in the beginning and 45.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8295.59 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 44.8 MB in the beginning and 53.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Witness Printer took 90.29 ms. Allocated memory is still 107.0 MB. Free memory was 53.9 MB in the beginning and 47.6 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: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 900]: 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, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 629 SDslu, 561 SDs, 0 SdLazy, 112 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=5, InterpolantAutomatonStates: 33, 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, 208 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 135 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 5768 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 752 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1615 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: 677]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (splverifierCounter == 0bv32 && 0bv32 == \result) && 0bv32 == pumpRunning - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: splverifierCounter == 0bv32 && 0bv32 == pumpRunning - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 01:08:32,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d3e1b0-6ab0-42ff-b6a5-8d122e186887/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