./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:00,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:00,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:00,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:00,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:00,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:00,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:00,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:00,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:00,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:00,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:00,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:00,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:00,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:00,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:00,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:00,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:00,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:00,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:00,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:00,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:00,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:00,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:00,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:00,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:00,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:00,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:00,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:00,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:00,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:00,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:00,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:00,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:00,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:00,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:00,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:00,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:00,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:00,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:00,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:00,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:00,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 00:53:00,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:00,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:00,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:00,637 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:00,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:00,638 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:00,638 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:00,638 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:00,639 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:00,639 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:00,639 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:00,640 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:00,640 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:00,640 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:00,641 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:00,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:00,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:00,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:00,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:00,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:00,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:00,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:00,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:00,644 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:00,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:00,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:00,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:00,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:00,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:00,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:00,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:00,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:00,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:00,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:00,647 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:00,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:00,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:00,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:00,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:00,649 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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da [2021-11-07 00:53:00,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:00,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:00,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:00,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:00,925 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:00,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-11-07 00:53:00,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/36faad8a3/94887b6304b24e8f9c647bffaefa3126/FLAG59b04d954 [2021-11-07 00:53:01,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:01,515 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-11-07 00:53:01,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/36faad8a3/94887b6304b24e8f9c647bffaefa3126/FLAG59b04d954 [2021-11-07 00:53:01,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/36faad8a3/94887b6304b24e8f9c647bffaefa3126 [2021-11-07 00:53:01,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:01,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:01,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:01,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:01,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:01,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:01" (1/1) ... [2021-11-07 00:53:01,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30283755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:01, skipping insertion in model container [2021-11-07 00:53:01,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:01" (1/1) ... [2021-11-07 00:53:01,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:01,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:02,127 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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2021-11-07 00:53:02,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:02,290 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 00:53:02,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7197ff13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:02, skipping insertion in model container [2021-11-07 00:53:02,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:02,292 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:53:02,294 INFO L168 Benchmark]: Toolchain (without parser) took 458.30 ms. Allocated memory is still 92.3 MB. Free memory was 58.3 MB in the beginning and 65.2 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:02,295 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:02,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.28 ms. Allocated memory is still 92.3 MB. Free memory was 58.1 MB in the beginning and 65.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:02,299 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 92.3 MB. Free memory is still 48.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.28 ms. Allocated memory is still 92.3 MB. Free memory was 58.1 MB in the beginning and 65.2 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 279]: 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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:04,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:04,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:04,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:04,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:04,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:04,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:04,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:04,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:04,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:04,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:04,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:04,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:04,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:04,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:04,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:04,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:04,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:04,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:04,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:04,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:04,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:04,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:04,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:04,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:04,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:04,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:04,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:04,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:04,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:04,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:04,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:04,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:04,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:04,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:04,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:04,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:04,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:04,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:04,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:04,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:04,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 00:53:04,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:04,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:04,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:04,768 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:04,769 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:04,769 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:04,769 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:04,769 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:04,770 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:04,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:04,772 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:04,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:04,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:04,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:04,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:04,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:04,774 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:04,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:53:04,774 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:53:04,775 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:04,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:04,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:04,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:04,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:04,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:53:04,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:04,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:04,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:04,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:04,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:04,777 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:53:04,778 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:04,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:04,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:04,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:04,779 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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da [2021-11-07 00:53:05,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:05,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:05,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:05,192 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:05,192 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:05,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-11-07 00:53:05,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/51da2875f/1f8c8e35cab54f5c88832dfccdc1aa71/FLAGdd4e120d5 [2021-11-07 00:53:05,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:05,828 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-11-07 00:53:05,842 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/51da2875f/1f8c8e35cab54f5c88832dfccdc1aa71/FLAGdd4e120d5 [2021-11-07 00:53:06,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/data/51da2875f/1f8c8e35cab54f5c88832dfccdc1aa71 [2021-11-07 00:53:06,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:06,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:06,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:06,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:06,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:06,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225d5569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06, skipping insertion in model container [2021-11-07 00:53:06,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:06,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:06,439 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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2021-11-07 00:53:06,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:06,663 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 00:53:06,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:06,697 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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2021-11-07 00:53:06,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:06,808 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:06,847 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_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2021-11-07 00:53:06,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:06,927 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:06,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06 WrapperNode [2021-11-07 00:53:06,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:06,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:06,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:06,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:06,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:06,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:07,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:07,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:07,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:07,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:07,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:07,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:07,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:07,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (1/1) ... [2021-11-07 00:53:07,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:07,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:07,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:07,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:07,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:07,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 00:53:07,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:07,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:09,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:09,401 INFO L299 CfgBuilder]: Removed 130 assume(true) statements. [2021-11-07 00:53:09,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:09 BoogieIcfgContainer [2021-11-07 00:53:09,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:09,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:09,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:09,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:09,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:06" (1/3) ... [2021-11-07 00:53:09,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bac3ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:09, skipping insertion in model container [2021-11-07 00:53:09,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:06" (2/3) ... [2021-11-07 00:53:09,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bac3ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:09, skipping insertion in model container [2021-11-07 00:53:09,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:09" (3/3) ... [2021-11-07 00:53:09,422 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2021-11-07 00:53:09,428 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:09,429 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-07 00:53:09,497 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:09,506 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 00:53:09,506 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-07 00:53:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 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 00:53:09,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 00:53:09,544 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:09,545 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:09,546 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 00:53:09,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:09,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2002570515, now seen corresponding path program 1 times [2021-11-07 00:53:09,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:09,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2005417384] [2021-11-07 00:53:09,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:09,570 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:09,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:09,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:09,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 00:53:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:09,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 00:53:09,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:09,928 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 00:53:09,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:10,002 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 00:53:10,003 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:10,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2005417384] [2021-11-07 00:53:10,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2005417384] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:10,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:10,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 00:53:10,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791468693] [2021-11-07 00:53:10,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:53:10,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:10,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:53:10,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:10,031 INFO L87 Difference]: Start difference. First operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:10,061 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2021-11-07 00:53:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:53:10,062 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 00:53:10,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:10,072 INFO L225 Difference]: With dead ends: 185 [2021-11-07 00:53:10,073 INFO L226 Difference]: Without dead ends: 92 [2021-11-07 00:53:10,075 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 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 00:53:10,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-11-07 00:53:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-11-07 00:53:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 1.449438202247191) internal successors, (129), 91 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-11-07 00:53:10,116 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2021-11-07 00:53:10,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:10,126 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-11-07 00:53:10,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-11-07 00:53:10,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 00:53:10,127 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:10,128 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] [2021-11-07 00:53:10,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:10,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,340 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 00:53:10,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:10,341 INFO L85 PathProgramCache]: Analyzing trace with hash -486377228, now seen corresponding path program 1 times [2021-11-07 00:53:10,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:10,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274910141] [2021-11-07 00:53:10,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:10,342 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:10,343 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:10,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 00:53:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:10,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:10,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:10,629 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 00:53:10,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:10,684 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 00:53:10,684 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:10,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274910141] [2021-11-07 00:53:10,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274910141] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:10,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:10,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:53:10,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714778359] [2021-11-07 00:53:10,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:10,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:10,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:10,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:10,688 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 00:53:10,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:10,702 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2021-11-07 00:53:10,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:10,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-07 00:53:10,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:10,703 INFO L225 Difference]: With dead ends: 92 [2021-11-07 00:53:10,704 INFO L226 Difference]: Without dead ends: 41 [2021-11-07 00:53:10,704 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 00:53:10,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-07 00:53:10,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-11-07 00:53:10,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 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 00:53:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2021-11-07 00:53:10,711 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2021-11-07 00:53:10,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:10,711 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-11-07 00:53:10,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 00:53:10,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-11-07 00:53:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 00:53:10,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:10,712 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 00:53:10,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:10,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,929 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 00:53:10,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:10,930 INFO L85 PathProgramCache]: Analyzing trace with hash 215436409, now seen corresponding path program 1 times [2021-11-07 00:53:10,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:10,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465395112] [2021-11-07 00:53:10,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:10,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:10,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:10,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 00:53:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:11,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:11,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:11,203 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 00:53:11,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:11,285 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 00:53:11,285 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:11,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465395112] [2021-11-07 00:53:11,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465395112] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:11,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:11,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 00:53:11,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143297041] [2021-11-07 00:53:11,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:11,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:11,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:11,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:11,289 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 00:53:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:11,320 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2021-11-07 00:53:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:11,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 00:53:11,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:11,322 INFO L225 Difference]: With dead ends: 75 [2021-11-07 00:53:11,322 INFO L226 Difference]: Without dead ends: 41 [2021-11-07 00:53:11,322 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 00:53:11,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-07 00:53:11,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-11-07 00:53:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 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 00:53:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2021-11-07 00:53:11,329 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2021-11-07 00:53:11,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:11,329 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-11-07 00:53:11,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 00:53:11,330 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2021-11-07 00:53:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 00:53:11,331 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:11,331 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:11,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:11,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:11,547 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 00:53:11,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash 937029115, now seen corresponding path program 1 times [2021-11-07 00:53:11,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:11,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893690408] [2021-11-07 00:53:11,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:11,548 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:11,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:11,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:11,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 00:53:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:11,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:11,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:11,817 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 00:53:11,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:11,906 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 00:53:11,906 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:11,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893690408] [2021-11-07 00:53:11,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893690408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:11,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:11,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 00:53:11,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846314054] [2021-11-07 00:53:11,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:53:11,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:11,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:53:11,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:11,909 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:11,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:11,984 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2021-11-07 00:53:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:11,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 00:53:11,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:11,986 INFO L225 Difference]: With dead ends: 99 [2021-11-07 00:53:11,986 INFO L226 Difference]: Without dead ends: 65 [2021-11-07 00:53:11,986 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 00:53:11,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-07 00:53:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-11-07 00:53:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 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 00:53:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2021-11-07 00:53:11,995 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2021-11-07 00:53:11,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:11,996 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2021-11-07 00:53:11,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-11-07 00:53:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 00:53:11,997 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:11,998 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:12,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:12,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:12,210 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 00:53:12,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:12,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1349052711, now seen corresponding path program 1 times [2021-11-07 00:53:12,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:12,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758129777] [2021-11-07 00:53:12,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:12,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:12,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:12,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:12,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 00:53:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:12,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:12,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:12,527 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 00:53:12,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:12,612 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 00:53:12,612 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:12,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758129777] [2021-11-07 00:53:12,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758129777] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:12,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:12,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:53:12,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003708335] [2021-11-07 00:53:12,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:53:12,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:12,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:53:12,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:53:12,619 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:12,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:12,781 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2021-11-07 00:53:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 00:53:12,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-07 00:53:12,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:12,783 INFO L225 Difference]: With dead ends: 216 [2021-11-07 00:53:12,784 INFO L226 Difference]: Without dead ends: 160 [2021-11-07 00:53:12,784 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:53:12,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-07 00:53:12,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-11-07 00:53:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 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 00:53:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2021-11-07 00:53:12,797 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2021-11-07 00:53:12,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:12,797 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2021-11-07 00:53:12,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2021-11-07 00:53:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 00:53:12,799 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:12,799 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:12,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:13,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:13,014 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 00:53:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:13,015 INFO L85 PathProgramCache]: Analyzing trace with hash -243919497, now seen corresponding path program 1 times [2021-11-07 00:53:13,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:13,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680765755] [2021-11-07 00:53:13,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:13,016 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:13,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:13,017 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:13,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 00:53:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:13,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:13,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:13,358 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 00:53:13,358 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:13,438 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 00:53:13,438 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:13,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680765755] [2021-11-07 00:53:13,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680765755] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:13,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:13,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:53:13,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581010426] [2021-11-07 00:53:13,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 00:53:13,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:13,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 00:53:13,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 00:53:13,441 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 00:53:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:13,494 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2021-11-07 00:53:13,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:13,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-11-07 00:53:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:13,497 INFO L225 Difference]: With dead ends: 161 [2021-11-07 00:53:13,497 INFO L226 Difference]: Without dead ends: 106 [2021-11-07 00:53:13,499 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:53:13,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-07 00:53:13,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2021-11-07 00:53:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 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 00:53:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-11-07 00:53:13,518 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2021-11-07 00:53:13,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:13,520 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-11-07 00:53:13,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 00:53:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-07 00:53:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 00:53:13,522 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:13,523 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:13,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:13,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:13,737 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 00:53:13,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1255036747, now seen corresponding path program 1 times [2021-11-07 00:53:13,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:13,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577359060] [2021-11-07 00:53:13,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:13,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:13,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:13,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 00:53:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:14,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 00:53:14,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:14,096 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 00:53:14,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:14,202 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 00:53:14,202 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:14,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577359060] [2021-11-07 00:53:14,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577359060] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:14,203 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:14,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 00:53:14,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955265502] [2021-11-07 00:53:14,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:53:14,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:14,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:53:14,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:14,205 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 00:53:14,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:14,242 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2021-11-07 00:53:14,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 00:53:14,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 36 [2021-11-07 00:53:14,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:14,244 INFO L225 Difference]: With dead ends: 170 [2021-11-07 00:53:14,244 INFO L226 Difference]: Without dead ends: 112 [2021-11-07 00:53:14,245 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 00:53:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-07 00:53:14,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2021-11-07 00:53:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 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 00:53:14,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2021-11-07 00:53:14,256 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2021-11-07 00:53:14,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:14,256 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-11-07 00:53:14,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 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 00:53:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-11-07 00:53:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 00:53:14,258 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:14,258 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:14,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:14,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:14,474 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:14,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:14,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2021-11-07 00:53:14,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:14,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898293384] [2021-11-07 00:53:14,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:14,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:14,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:14,477 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:14,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 00:53:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:14,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 00:53:14,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:14,821 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 00:53:14,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:14,946 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 00:53:14,946 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:14,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898293384] [2021-11-07 00:53:14,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898293384] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:14,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:14,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-07 00:53:14,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879296561] [2021-11-07 00:53:14,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 00:53:14,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:14,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 00:53:14,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 00:53:14,949 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 00:53:15,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:15,004 INFO L93 Difference]: Finished difference Result 204 states and 275 transitions. [2021-11-07 00:53:15,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 00:53:15,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 36 [2021-11-07 00:53:15,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:15,006 INFO L225 Difference]: With dead ends: 204 [2021-11-07 00:53:15,007 INFO L226 Difference]: Without dead ends: 144 [2021-11-07 00:53:15,007 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 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 00:53:15,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-07 00:53:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 115. [2021-11-07 00:53:15,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 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 00:53:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 154 transitions. [2021-11-07 00:53:15,024 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 154 transitions. Word has length 36 [2021-11-07 00:53:15,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:15,025 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 154 transitions. [2021-11-07 00:53:15,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 00:53:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 154 transitions. [2021-11-07 00:53:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 00:53:15,027 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:15,027 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:15,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:15,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:15,243 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:15,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2021-11-07 00:53:15,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:15,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654991279] [2021-11-07 00:53:15,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:15,244 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:15,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:15,245 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:15,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-07 00:53:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:15,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 00:53:15,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:15,704 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 00:53:15,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:15,837 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 00:53:15,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:15,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654991279] [2021-11-07 00:53:15,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654991279] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:15,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:15,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 00:53:15,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637316911] [2021-11-07 00:53:15,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:53:15,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:15,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:53:15,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:15,839 INFO L87 Difference]: Start difference. First operand 115 states and 154 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 00:53:17,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:17,097 INFO L93 Difference]: Finished difference Result 539 states and 732 transitions. [2021-11-07 00:53:17,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 00:53:17,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2021-11-07 00:53:17,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:17,100 INFO L225 Difference]: With dead ends: 539 [2021-11-07 00:53:17,101 INFO L226 Difference]: Without dead ends: 431 [2021-11-07 00:53:17,101 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-07 00:53:17,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2021-11-07 00:53:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 214. [2021-11-07 00:53:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 213 states have (on average 1.3286384976525822) internal successors, (283), 213 states have internal predecessors, (283), 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 00:53:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 283 transitions. [2021-11-07 00:53:17,133 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 283 transitions. Word has length 37 [2021-11-07 00:53:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:17,134 INFO L470 AbstractCegarLoop]: Abstraction has 214 states and 283 transitions. [2021-11-07 00:53:17,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 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 00:53:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 283 transitions. [2021-11-07 00:53:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 00:53:17,135 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:17,136 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:17,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:17,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:17,348 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 00:53:17,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:17,348 INFO L85 PathProgramCache]: Analyzing trace with hash 167223140, now seen corresponding path program 1 times [2021-11-07 00:53:17,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 00:53:17,349 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775738783] [2021-11-07 00:53:17,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:17,349 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 00:53:17,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 00:53:17,350 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 00:53:17,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-07 00:53:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:17,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:17,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:17,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:17,977 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 00:53:17,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775738783] [2021-11-07 00:53:17,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775738783] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:17,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1093457343] [2021-11-07 00:53:17,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:17,978 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 00:53:17,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 00:53:17,984 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 00:53:17,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2021-11-07 00:53:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:18,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 00:53:18,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:18,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:18,670 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:18,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1093457343] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:18,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245647208] [2021-11-07 00:53:18,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:18,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 00:53:18,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:18,673 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 00:53:18,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 00:53:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:18,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 00:53:18,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 00:53:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:19,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 00:53:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:19,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245647208] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 00:53:19,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-11-07 00:53:19,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 5, 5, 5] total 9 [2021-11-07 00:53:19,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478044697] [2021-11-07 00:53:19,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 00:53:19,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 00:53:19,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 00:53:19,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:53:19,301 INFO L87 Difference]: Start difference. First operand 214 states and 283 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 00:53:22,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:22,015 INFO L93 Difference]: Finished difference Result 367 states and 493 transitions. [2021-11-07 00:53:22,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:22,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 54 [2021-11-07 00:53:22,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:22,017 INFO L225 Difference]: With dead ends: 367 [2021-11-07 00:53:22,017 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:53:22,018 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-11-07 00:53:22,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:53:22,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:53:22,018 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 00:53:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:53:22,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-11-07 00:53:22,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:22,019 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:53:22,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 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 00:53:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:53:22,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:53:22,022 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:22,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:22,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 00:53:22,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:22,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2021-11-07 00:53:22,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-07 00:53:22,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 00:53:22,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 00:53:22,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:22,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:23,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 00:53:25,457 INFO L853 garLoopResultBuilder]: At program point L795(lines 791 813) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-11-07 00:53:25,457 INFO L853 garLoopResultBuilder]: At program point L795-1(lines 791 813) the Hoare annotation is: false [2021-11-07 00:53:25,463 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-11-07 00:53:25,464 INFO L853 garLoopResultBuilder]: At program point L795-2(lines 791 813) the Hoare annotation is: false [2021-11-07 00:53:25,464 INFO L853 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv1 32) ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse6 .cse4 .cse1 .cse2 .cse5))) [2021-11-07 00:53:25,464 INFO L853 garLoopResultBuilder]: At program point L696-1(lines 691 699) the Hoare annotation is: false [2021-11-07 00:53:25,464 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2021-11-07 00:53:25,464 INFO L853 garLoopResultBuilder]: At program point L696-2(lines 691 699) the Hoare annotation is: false [2021-11-07 00:53:25,464 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-07 00:53:25,464 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 118 122) no Hoare annotation was computed. [2021-11-07 00:53:25,464 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2021-11-07 00:53:25,464 INFO L857 garLoopResultBuilder]: For program point L85-4(lines 85 91) no Hoare annotation was computed. [2021-11-07 00:53:25,464 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2021-11-07 00:53:25,465 INFO L853 garLoopResultBuilder]: At program point L746-1(lines 746 752) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-11-07 00:53:25,465 INFO L853 garLoopResultBuilder]: At program point L69(lines 795 801) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse3 .cse1 .cse2 .cse4) (and .cse0 .cse3 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-11-07 00:53:25,465 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 795 801) the Hoare annotation is: false [2021-11-07 00:53:25,465 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 795 801) the Hoare annotation is: false [2021-11-07 00:53:25,465 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 00:53:25,465 INFO L853 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:25,466 INFO L853 garLoopResultBuilder]: At program point L664-1(lines 659 667) the Hoare annotation is: false [2021-11-07 00:53:25,473 INFO L853 garLoopResultBuilder]: At program point L664-2(lines 659 667) the Hoare annotation is: false [2021-11-07 00:53:25,473 INFO L860 garLoopResultBuilder]: At program point L202(lines 183 205) the Hoare annotation is: true [2021-11-07 00:53:25,473 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2021-11-07 00:53:25,473 INFO L853 garLoopResultBuilder]: At program point L764-2(lines 764 768) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-11-07 00:53:25,475 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2021-11-07 00:53:25,476 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2021-11-07 00:53:25,476 INFO L857 garLoopResultBuilder]: For program point L831-1(lines 831 839) no Hoare annotation was computed. [2021-11-07 00:53:25,476 INFO L857 garLoopResultBuilder]: For program point L864-2(lines 864 870) no Hoare annotation was computed. [2021-11-07 00:53:25,476 INFO L857 garLoopResultBuilder]: For program point L831-2(lines 831 839) no Hoare annotation was computed. [2021-11-07 00:53:25,476 INFO L857 garLoopResultBuilder]: For program point L864-4(lines 864 870) no Hoare annotation was computed. [2021-11-07 00:53:25,477 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-11-07 00:53:25,477 INFO L857 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2021-11-07 00:53:25,477 INFO L857 garLoopResultBuilder]: For program point L947-3(lines 947 951) no Hoare annotation was computed. [2021-11-07 00:53:25,477 INFO L857 garLoopResultBuilder]: For program point L947-5(lines 947 951) no Hoare annotation was computed. [2021-11-07 00:53:25,477 INFO L857 garLoopResultBuilder]: For program point L947-6(lines 947 951) no Hoare annotation was computed. [2021-11-07 00:53:25,477 INFO L857 garLoopResultBuilder]: For program point L947-8(lines 947 951) no Hoare annotation was computed. [2021-11-07 00:53:25,477 INFO L853 garLoopResultBuilder]: At program point L898(lines 893 901) the Hoare annotation is: (let ((.cse1 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse6 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse4 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse7) (and .cse0 .cse6 .cse3 .cse4 (= ~waterLevel~0 (_ bv1 32)) .cse7))) [2021-11-07 00:53:25,478 INFO L853 garLoopResultBuilder]: At program point L898-1(lines 893 901) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)))) [2021-11-07 00:53:25,478 INFO L853 garLoopResultBuilder]: At program point L898-2(lines 893 901) the Hoare annotation is: false [2021-11-07 00:53:25,478 INFO L853 garLoopResultBuilder]: At program point L898-3(lines 893 901) the Hoare annotation is: false [2021-11-07 00:53:25,478 INFO L853 garLoopResultBuilder]: At program point L898-4(lines 893 901) the Hoare annotation is: false [2021-11-07 00:53:25,478 INFO L853 garLoopResultBuilder]: At program point L898-5(lines 893 901) the Hoare annotation is: false [2021-11-07 00:53:25,478 INFO L853 garLoopResultBuilder]: At program point L238(lines 1 964) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:25,479 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 655) no Hoare annotation was computed. [2021-11-07 00:53:25,479 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 00:53:25,479 INFO L853 garLoopResultBuilder]: At program point L802(lines 802 808) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-11-07 00:53:25,479 INFO L853 garLoopResultBuilder]: At program point L802-1(lines 802 808) the Hoare annotation is: false [2021-11-07 00:53:25,479 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2021-11-07 00:53:25,479 INFO L853 garLoopResultBuilder]: At program point L802-2(lines 802 808) the Hoare annotation is: false [2021-11-07 00:53:25,479 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 736 742) the Hoare annotation is: (let ((.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse3))) [2021-11-07 00:53:25,479 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:25,479 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-11-07 00:53:25,481 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-11-07 00:53:25,481 INFO L857 garLoopResultBuilder]: For program point L704-1(lines 704 710) no Hoare annotation was computed. [2021-11-07 00:53:25,481 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 710) no Hoare annotation was computed. [2021-11-07 00:53:25,481 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2021-11-07 00:53:25,481 INFO L860 garLoopResultBuilder]: At program point L193-1(lines 193 200) the Hoare annotation is: true [2021-11-07 00:53:25,482 INFO L857 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2021-11-07 00:53:25,482 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 00:53:25,482 INFO L853 garLoopResultBuilder]: At program point L953(lines 938 956) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~8 (_ bv0 32))) (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 (_ bv0 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-11-07 00:53:25,482 INFO L853 garLoopResultBuilder]: At program point L953-1(lines 938 956) the Hoare annotation is: false [2021-11-07 00:53:25,482 INFO L853 garLoopResultBuilder]: At program point L953-2(lines 938 956) the Hoare annotation is: false [2021-11-07 00:53:25,482 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2021-11-07 00:53:25,482 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-07 00:53:25,482 INFO L857 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2021-11-07 00:53:25,482 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-07 00:53:25,482 INFO L853 garLoopResultBuilder]: At program point L889(lines 882 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= ~waterLevel~0 (_ bv2 32)) (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:25,483 INFO L853 garLoopResultBuilder]: At program point L889-1(lines 882 892) the Hoare annotation is: false [2021-11-07 00:53:25,483 INFO L853 garLoopResultBuilder]: At program point L889-2(lines 882 892) the Hoare annotation is: false [2021-11-07 00:53:25,483 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-11-07 00:53:25,483 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 1 964) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= (_ bv1 32) ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 (_ bv2 32))) (.cse6 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse7 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse5 .cse6 .cse1 .cse2 .cse7 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse1 .cse2 .cse7))) [2021-11-07 00:53:25,483 INFO L857 garLoopResultBuilder]: For program point L80-2(lines 80 97) no Hoare annotation was computed. [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L80-3(lines 1 964) the Hoare annotation is: false [2021-11-07 00:53:25,484 INFO L857 garLoopResultBuilder]: For program point L80-4(lines 80 97) no Hoare annotation was computed. [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L80-5(lines 1 964) the Hoare annotation is: false [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L246(lines 241 249) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: false [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L709(lines 700 713) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_valid_product_#res| (_ bv1 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2 .cse3))) [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L709-1(lines 700 713) the Hoare annotation is: false [2021-11-07 00:53:25,484 INFO L853 garLoopResultBuilder]: At program point L709-2(lines 700 713) the Hoare annotation is: false [2021-11-07 00:53:25,484 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 00:53:25,484 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-11-07 00:53:25,485 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2021-11-07 00:53:25,485 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-11-07 00:53:25,485 INFO L857 garLoopResultBuilder]: For program point L627-3(lines 627 631) no Hoare annotation was computed. [2021-11-07 00:53:25,485 INFO L857 garLoopResultBuilder]: For program point L627-6(lines 627 631) no Hoare annotation was computed. [2021-11-07 00:53:25,485 INFO L853 garLoopResultBuilder]: At program point L165(lines 161 167) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| (_ bv1 32)) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-11-07 00:53:25,485 INFO L857 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2021-11-07 00:53:25,485 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2021-11-07 00:53:25,485 INFO L857 garLoopResultBuilder]: For program point L827-1(lines 827 844) no Hoare annotation was computed. [2021-11-07 00:53:25,486 INFO L857 garLoopResultBuilder]: For program point L827-2(lines 827 844) no Hoare annotation was computed. [2021-11-07 00:53:25,486 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 732) no Hoare annotation was computed. [2021-11-07 00:53:25,486 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-11-07 00:53:25,486 INFO L857 garLoopResultBuilder]: For program point L84-2(lines 84 94) no Hoare annotation was computed. [2021-11-07 00:53:25,487 INFO L857 garLoopResultBuilder]: For program point L84-4(lines 84 94) no Hoare annotation was computed. [2021-11-07 00:53:25,489 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:25,496 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:53:25,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:53:25 BoogieIcfgContainer [2021-11-07 00:53:25,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:53:25,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:53:25,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:53:25,534 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:53:25,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:09" (3/4) ... [2021-11-07 00:53:25,537 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:53:25,555 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-11-07 00:53:25,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-07 00:53:25,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-07 00:53:25,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-07 00:53:25,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 00:53:25,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:53:25,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:53:25,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 00:53:25,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 00:53:25,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-11-07 00:53:25,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) [2021-11-07 00:53:25,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,601 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) [2021-11-07 00:53:25,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,603 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-11-07 00:53:25,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 00:53:25,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning [2021-11-07 00:53:25,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:53:25,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:53:25,657 INFO L168 Benchmark]: Toolchain (without parser) took 19492.08 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 30.7 MB in the beginning and 25.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:25,658 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:25,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 36.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:25,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.29 ms. Allocated memory is still 67.1 MB. Free memory was 36.4 MB in the beginning and 48.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:25,659 INFO L168 Benchmark]: Boogie Preprocessor took 72.06 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 45.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:25,660 INFO L168 Benchmark]: RCFGBuilder took 2294.57 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 45.7 MB in the beginning and 60.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:25,660 INFO L168 Benchmark]: TraceAbstraction took 16128.63 ms. Allocated memory is still 81.8 MB. Free memory was 60.0 MB in the beginning and 33.4 MB in the end (delta: 26.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:25,660 INFO L168 Benchmark]: Witness Printer took 122.10 ms. Allocated memory is still 81.8 MB. Free memory was 33.4 MB in the beginning and 25.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:25,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 761.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.5 MB in the beginning and 36.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.29 ms. Allocated memory is still 67.1 MB. Free memory was 36.4 MB in the beginning and 48.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.06 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 45.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2294.57 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 45.7 MB in the beginning and 60.5 MB in the end (delta: -14.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16128.63 ms. Allocated memory is still 81.8 MB. Free memory was 60.0 MB in the beginning and 33.4 MB in the end (delta: 26.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 16.1 GB. * Witness Printer took 122.10 ms. Allocated memory is still 81.8 MB. Free memory was 33.4 MB in the beginning and 25.7 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 211]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 211]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 211]: 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, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 835 SDtfs, 1050 SDslu, 1316 SDs, 0 SdLazy, 195 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 862 GetRequests, 819 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=9, InterpolantAutomatonStates: 51, 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, 10 MinimizatonAttempts, 432 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 114 NumberOfFragments, 838 HoareAnnotationTreeSize, 44 FomulaSimplifications, 26560 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 4825 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 1505 SizeOfPredicates, 25 NumberOfNonLiveVariables, 2630 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 78/96 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: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || ((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && \result == 1bv32) && systemActive == 1bv32) && 2bv32 == \result) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 1bv32 == \result) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || (((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 0bv32 == \result) && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 1bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((\result == 1bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0bv32 && \result == 1bv32) && systemActive == 1bv32) && !(tmp == 0bv32)) && \result == 0bv32) && waterLevel == 1bv32) && tmp___0 == 0bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && \result == 1bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-07 00:53:25,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba8eb3e5-ce51-4e20-9d0c-518a10b4dd81/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